Re: [Talk-de] probleme mit den XAPI's

2012-04-10 Thread Christoph Böhme


Am Di 10 Apr 2012 11:29:49 CEST schrieb Jan Tappenbeck:
 Am 10.04.2012 11:04, schrieb Chris66:
 overpass API kennst Du noch nicht?
snip
 gehört ja, aber noch nicht mit auseinander gesetzt.

 Habe ein Tool ansonsten das eine Liste für die Auswertung abarbeitet
 und da sind die Links noch etwas anders.

 Aus Zeitgründen habe ich das dort noch nicht mit integriert - deshalb
 wärde ich noch gerne auf die XAPI zugreifen.

Die Overpass-API hat auch eine XAPI-Kompatibilitätsschicht:

http://www.overpass-api.de/api/xapi?

Ich habe damit ganz gute Erfahrungen gemacht.

Viele Grüße,
Christoph

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Re: [Talk-de] Liste aller hessischen Schulen verfügbar

2012-03-27 Thread Christoph Böhme
Am 24.03.2012 19:00, schrieb fschmidt:
 Am 24.03.2012 18:18, schrieb Christoph Böhme:
  Aus dem Bauch heraus würde ich vorschlagen, für Tanz-,
 Tauch-, Fahrschulen und ähnliche amenity=school zu verwenden und die
 offiziellen Bildungseinrichtungen eines Landes als education=school zu
 taggen. Das widerspricht natürlich dem momentanen Taggingansatz und
 Bedarf wohl erstmal eines Proposals:-)

 Bitte nicht schon wieder, das haben wir jetzt schon so oft durchgekaut.
 (Das wird ja langsam zum Running Gag hier)

Oh, da lese ich wohl noch nicht lange genug auf talk-de mit, um bereits
darüber gestolpert zu sein.

 Wie du richtig schreibst, sind Tanzschulen, Fahrschulen, Flugschulen,
 Baumschulen etc. Gewerbebetriebe und keine Bildungseinrichtung. Und den
 seit Jahren etablerten Tag amenity=school werden wir bestimmt nicht
 umdefinieren.

Keine Sorge, mir ist schon klar, dass Tagging Schemas nicht am grünen
Tisch definiert werden, sondern aus den Daten erwachsen. Darum war meine
Aussage auch nur als Vorschlag zu verstehen, einfach education=school zu
verwenden (zusätzlich zu amenity=school), um Bildungseinrichtungen
auszuzeichnen. Wenn es einen Konsens dazu gibt, wird er sich dann schon
irgendwann in den Daten zeigen.

Beste Grüße,
Christoph

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Re: [Talk-de] Liste aller hessischen Schulen verfügbar

2012-03-24 Thread Christoph Böhme
Hallo,

Am 23.03.2012 23:58, schrieb Walter Nordmann:
 hi,
 
 danke für die daten - aber so richtig begeistert bin ich wirklich nicht.
 
 Es wird hier die gesammte derzeitige Struktur der Hessischen Schulen bis ins
 kleinste runtergebrochen. Dabei frage ich mich, was das mit osm als Geo-DB
 zu tun hat.

Diese Frage kann man sich ja bei vielen Tags stellen. Gehören Farbe und
Material von Parkbänken in eine Geo-DB? :-)

Generell halte ich es aber für eine gute Idee, wenigstens allgemeine
Informationen zur Art einer Schule zu erfassen. Damit kann bspw.
Verwechslungen vorgebeugt werden, wenn Schulen in einer Stadt denselben
Namen tragen und sich nur durch die Schulart unterscheiden (kommt
durchaus vor!).

 Tags, die 99.% der Welt nicht braucht - dazu bestimmt auf hessische
 Bedürfnisse zugeschnitten.

Ich habe mich bei der Auswahl der Tags von den in der Schulliste
verfügbaren Informationen leiten lassen. Dabei ist es durchaus möglich,
dass das Tagging-Schema etwas zu detailliert geworden ist. Da die
meisten Bundesländer allerdings ein zwei- oder dreigliedriges
Schulsystem haben, sollten die Angaben zur Schulart nicht zu spezifisch
für Hessen sein, denke ich. Eventuell gibt es einzelne Schularten in
anderen Bundesländern nicht oder es kommen dort Fälle wie die
Stadtteilschule in Hamburg hinzu.

 Ausserdem möchte ich nicht wissen, was bei einer irgendwann mal kommenden
 Schulreform passieren soll.

Dann können wir mit Hilfe der Dienststellennummer die Daten relativ
einfach aktualisieren. ;-)

 Ich plädiere dafür, das Tagging erheblich zu vereinfachen und die doch sehr
 schulspezifischen Information beim Land zu lassen. Ein Link dürfte mit der
 Schulnummer (hier als ref=* abgelegt) relativ leicht möglich sein, wobei ich
 mit Doppelgängern bei mehreren Bundesländern rechne.

Abgesehen von den Zusatztags ist das Taggingschema eigentlich recht
einfach. Es gibt zehn verschiedene Schularten (Grundschule, Hauptschule,
Realschule, Gymnasium, Gesamtschule, Berufsschule, Abendgymnasium,
Abendrealschule, Berufskolleg und Förderschule). Je nachdem welche
Schularten an einer Schule angeboten werden, enthält des school:de-Tag
unterschiedliche Kombinationen dieser zehn Schularten.

Die Detailtags zu Orientierungsstufe, Gesamtschule und Förderschule habe
ich nur übernommen, da die entsprechenden Informationen in den
Schuldaten verfügbar war. Ich hätte auch nichts dagegen, sie
rauszulassen, wenn niemand sie für nützlich erachtet. Da man ja in der
Tat weitere Informationen einfach über die Referenz abfragen kann.

Die ISCED-Einordnung ist nicht in den Schuldaten enthalten gewesen,
sondern von mir basierend auf der Schulart hinzugefügt worden. Das
isced:level-Tag wurde im Februar als Möglichkeit zum international
einheitlichen Tagging von Schulen vorgeschlagen.

Viele Grüße,
Christoph

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Re: [Talk-de] Liste aller hessischen Schulen verfügbar

2012-03-24 Thread Christoph Böhme
Hallo,

Am 24.03.2012 08:19, schrieb ssho...@gmx.de:
 Tags, die 99.% der Welt nicht braucht - dazu bestimmt auf hessische
 Bedürfnisse zugeschnitten.
 Ausserdem möchte ich nicht wissen, was bei einer irgendwann mal kommenden
 Schulreform passieren soll.
 
 Sehe ich auch so. Und womit ich überhaupt nicht einverstanden bin, sind
 die Begründungen, weshalb die Tags auf Deutsch sind: Tags sind
 grundsätzlich in englisch zu halten! 

Ich halte es auch für sehr sinnvoll, englischsprachige Tags zu
verwenden. Schon allein um beim Kartenrendering oder einer anderen
Datenverwertung nicht hunderte Sprachvarianten unterscheiden zu müssen.

Aus diesem Grund habe ich auch das isced:level-Tag mit in die Daten
aufgenommen, da es damit möglich wird, Schulen international einheitlich
zu klassifizieren. Die UNESCO hat für viele Länder Tabellen
veröffentlicht, die die länderspezifischen Schularten auf die
ISCED-Klassifikation abbilden [1].

Die ISCED-Klassifikation bildet allerdings die Mehrgliedrigkeit des
deutschen Schulsystems nicht ab. Haupt-, Real- und Mittelstufe des
Gymnasiums fallen bspw. alle in die Klasse 2A. Möchte man eine genauere
Differenzierung der Schulen im deutschen Schulsystem vornehmen, sind
daher zusätzliche Tags nötig. Diese Tags sind dann natürlich nicht
weltweit einsetzbar, sondern spezifisch für die deutsche
Schullandschaft. Es geht schließlich gerade darum, die Varianten im
Schulsystem eines Landes zu beschreiben, die eine internationale
Schulklassifikation wie ISCED nicht abdecken kann.

Beim Ausdenken der Tags für die hessischen Schulen habe ich mich daran
erinnert, dass es in der Frühzeit von OSM die Idee gab, dass jedes Land
eigene landessprachliche Tagnamen verwenden könnte, die von den
jeweiligen Mappern verstanden werden und die landestypische
Besonderheiten korrekt beschreiben. Da es sich bei den Schulen um
länderspezische Eigenarten handelt, für die in anderen Ländern nicht
immer eine sprachliche Entsprechung gibt, habe ich die Idee der
landessprachlichen Tagnamen für die Schulen wieder aufgegriffen. Eine
Comprehensive School ist halt nur in etwa dasselbe wie ein Gesamtschule,
College bedeutet in jedem Land etwas anderes und für eine Hauptschule
gibt es überhaupt keine richtige Entsprechung. Warum sollen sich Mapper
mit mehr schlecht als recht passenden Übersetzungen abmühen, wenn sie
eine Realschule einfach und genau als Realschule taggen können? Diese
Information ergibt ohnehin nur innerhalb Deutschlands Sinn, wenn man
grundlegende Kenntnisse über das Schulsystem hat.

 Was ist, wenn irgendwo auf der Welt
 jemand ist, der kein Deutsch spricht aber dennoch Wissen beitragen kann?

Ich denke, ohne Deutschkenntnisse dürfte es generell schwierig werden,
Details zu deutschen Schularten zu taggen ;-)

 Weiterhin ist es auch möglich, das bestimmt Daten auch in anderen
 Ländern gültig sind, dann haben wir zwei Tags mit der gleichen Bedeutung
 in zwei verschiedenen Sprachen.

Das stimmt natürlich, aber die Idee des school:de-Tags ist es ja gerade
die deutschen Besonderheiten zu erfassen. Für allgemeingültige Dinge
gibt es ja das isced:level-Tag.

 Bitte setzte über den Wikipedia-Artikel den gut sichtbaren Hinweis, dass
 diese Tags Vorschläge sind!

Gute Idee, habe ich eingefügt.

 Ich plädiere dafür, das Tagging erheblich zu vereinfachen und die doch sehr
 schulspezifischen Information beim Land zu lassen. 
 
 Ganz genau so sehe ich das auch. Es kann nicht sein, dass man sich erst
 in das Hessische Schulsystem einarbeiten muss, nur weil man ein paar
 Daten ändern möchte...

Wie ich schon in meiner Antwort an Walter schrieb, sind einige Tags wohl
zu detailliert. Das allgemeine Schema mit dem school:de-Tag und dem
isced:level-Tag ist aber relativ einfach. Für die ISCED-Klassifikation
könnte man noch die Abbildung der umgangssprachlichen Schulbezeichnungen
in Deutschland (bzw. in einzelnen Bundesländern) auf die
ISCED-Klassifikation im OSM-Wiki dokumentieren.

Viele Grüße,
Christoph

[1] http://www.uis.unesco.org/Education/ISCEDMappings/Pages/default.aspx

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Re: [Talk-de] Liste aller hessischen Schulen verfügbar

2012-03-24 Thread Christoph Böhme
Hallo Karsten,

Am 23.03.2012 23:39, schrieb k4r573n:
 Danke das hilft mir doch sehr weiter.
 Denn ich habe vor in Braunschweig die Schulen zu erfassen und werde mich
 dann an deinen Tagging Schema orientieren.

Sehr schön, das freut mich.

 bleibt noch zu überlegen was man mit Musikschulen, Sprachschulen,
 Internationale Schulen, Waldorfschulen, ... macht.
 Denke mal ein eigener school:de Eintrag wäre sinnvoll.

Ich würde bei staatlich anerkannten Ersatzschulen wie den Waldorfschulen
in school:de ganz normal den offiziellen Schultyp erfassen, also ob die
Schule im Schulsystem offiziell bspw. als Grundschule, Realschule oder
Gymnasium gilt. Das pädagogische Konzept der Schule würde ich in einem
getrennten Tag erfassen, da es ja unabhängig von der offiziellen
Schulart ist. Es gibt ja sowohl Waldorf-Grundschulen als auch
Waldorf-Realschulen.

Dieses Tag könnte dann auch wieder englische Bezeichnungen verwenden, da
pädagogische Konzepte wie Montessori oder Waldorf ja in verschiedenen
Ländern umgesetzt wurden. Das könnte man dann als
education:philosophy=waldorf oder education:philosophy=montessori taggen.

Was Tanzschulen und ähnliche Schulen anbelangt, bin ich mir auch
unsicher, wie man sie taggen sollte. Diese Schulen sind ja eigentlich
eher Freizeiteinrichtungen im Gegensatz zu den Schulen des offiziellen
Schulsystems. Aus dem Bauch heraus würde ich vorschlagen, für Tanz-,
Tauch-, Fahrschulen und ähnliche amenity=school zu verwenden und die
offiziellen Bildungseinrichtungen eines Landes als education=school zu
taggen. Das widerspricht natürlich dem momentanen Taggingansatz und
Bedarf wohl erstmal eines Proposals :-)

Viele Grüße,
Christoph

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[Talk-de] Liste aller hessischen Schulen verfügbar

2012-03-23 Thread Christoph Böhme
Hallo,

vor einiger Zeit habe ich das Amt für Lehrerbildung in Hessen mit der
Frage kontaktiert, ob wir ihre Schuldatenbank [1] für OpenStreetMap
nutzen könnten. Mein Gesprächspartner war sehr aufgeschlossen für die
Idee und vor einer Woche habe ich nun eine Liste aller hessischen
Schulen zur Nutzung in OpenStreetMap bekommen.

Nach einer Diskussion im Februar hier auf der Liste bin ich von der
Idee, die Schulliste direkt in die Datenbank zu importieren abgerückt
und habe nun stattdessen OSM-Dateien ins Wiki gestellt [2]. Die Dateien
enthalten jeweils Nodes für alle Schulen in einem bestimmten
Postleitzahlengebiet.

Neben dem Schulnamen enthalten die zur Verfügung gestellten Daten die
Adresse der Schule und Angaben über die Schulart sowie eine eindeutige
Dienststellennummer, die sich zur Referenzierung von Schulen eignet. Es
wäre toll, wenn wir diese Daten in die OSM-Daten übernehmen könnten.

Viele Grüße,
Christoph

[1] http://dms-schule.bildung.hessen.de/suchen/suche_schul_db.html
[2] wiki.openstreetmap.org/wiki/DE:Hesse/Schools

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Re: [Talk-de] Bedeutugsüberschneidung: lock=yes

2012-03-22 Thread Christoph Böhme
Hallo,

wäre es nicht sinnvoller die Hochsitze mit access=private zu taggen?

Viele Grüße,
Christoph

- Ursprüngliche Mitteilung -
 Moin,
 
 mir ist gerade aufgefallen, dass es bei lock=yes
 Bedeutugsüberschneidungen gibt.
 
 Zum einen soll damit der Bereich einer Schleuse gekennzeichnet
 werden.[1] Zum anderen soll damit nach deutscher Wiki-Seite ein
 verschließbarer Hochsitz ausgeweisen werden.[2]   DE:Howto_Map_A hat
 das dann für Hochsitze auch so übernommen. Lustigerweise wird lock=yes
 auch noch in der Mapnikkarte berücksichtigt. Mapnik meint vermutlich
 Schleusen.
 
 Wie sollen wir in diesem Fall jetzt weiter vorgehen?
 
 Gruß, Falk
 
 [1] http://wiki.openstreetmap.org/wiki/Key:lock
 [2] http://wiki.openstreetmap.org/wiki/DE:Tag:amenity%3Dhunting_stand
 
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Re: [Talk-de] Stolperstein-Relation in Frankfurt /M

2012-03-17 Thread Christoph Böhme
Hallo Stephan,

Am 15.03.2012 01:54, schrieb Stephan Wolff:
 Sammelrelationen fassen oft Objekte in politischen Grenzen zusammen.
 Kann man mit der Overpass-API auch alle Objekte mit X=Y im Kreis Z
 bekommen?

Ja, das geht:

Zuerst brauchst Du die id der Relation der Verwaltungsgrenze innerhalb
derer Du die Stolpersteine (oder irgendwelche anderen Objekte) haben
willst. Über die Overpass-API kann man die Id recht bequem in Erfahrung
bringen:

query type=relation
has-kv k=name v=Lübeck /
has-kv k=boundary v=administrative/
/query
print mode=ids_only/

Für Lübeck erhalten wir damit die Id 27027.

Um aus der Relations-Id eine Relations-Referenz für die Overpass-API zu
machen, muss der Wert 3.600.000.000 hinzuaddiert werden. Die
Relations-Referenz ist also 3600027027.

Anschließend kann man in der Overpass-API eine area-query absetzen:

area-query ref=3600027027 into=stadtgebiet /
query type=node
item set=stadtgebiet /
has-kv k=memorial:type v=stolperstein /
/query
print mode=meta /

Und schon hat man alle Stolpersteine in Lübeck. Fast so einfach, wie das
Herunterladen einer Sammelrelation.

Viele Grüße,
Christoph

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Re: [Talk-de] Hessische Schuldatenbank

2012-02-16 Thread Christoph Böhme
Am Mi 15 Feb 2012 18:47:22 CET schrieb Sven Geggus:
 Christoph Böhme christ...@b3e.net wrote:

 Meine Idee zur Verwendung der Daten ist, sie automatisch als Nodes zu
 importieren, dabei aber so zu taggen, dass sie zunächst nicht auf der
 Karte auftauchen. 

 Nein, bitte nicht! Schau mit Postgis oder ähnlichem nach ob im Umkreis
 bereits eine Schule mit diesem Namen existiert und importiere die Nodes bei
 denen das der Fall ist erst gar nicht.

Keine Sorge, die Idee eines direkten Imports habe ich schon wieder
verworfen. Über einen Abgleich mit bereits existierenden Schulen hatte
ich auch nachgedacht. Da die Datenbank aber Informationen enthält, die
so noch nicht in OSM sind, hätte man dann das Tagging der existierenden
Schulen ergänzen müssen. Das würde ich nun aber wirklich nicht
automatisch machen wollen, ohne zu verifizieren, dass man wirklich die
richtige Schule gefunden hat.

Aber wie gesagt, die Idee eines automatischen Imports ist ja bereits
schon wieder verworfen.

Viele Grüße,
Christoph

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Re: [Talk-de] Hessische Schuldatenbank

2012-02-16 Thread Christoph Böhme
Hallo Georg,

das sind interessante Zahlen.

Am 15.02.2012 19:44, schrieb Georg Verweyen:
 Hallo Christoph,
 
 in Hessen (basierend auf den heutigen Geofabrik-Abzug Hessen) existieren
 laut OSM
 
  * 2503 Objekte mit Tag amenity=school
  * 383 Objekte mit Tag amenity=university
  * 2 Objekte mit Tag amenity=pre_school
  * 1 Objekt mit Tag amenity=Grundschule Sommerseite (ist bereits
korrigiert)
  * 1 Objekt mit Tag amenity=school_of_education (sehe ich mir später an)
 
 Die Schultypisierung ist relativ schlecht ausgebildet, leider gibt die
 Wiki-Seite auch keinen sinnvollen Hinweis für die englischen Begriffe
 (für obriges Objekt habe ich mal ein school=primary gesetzt), vielleicht
 kriegen wir über die Maillingliste eine vernünftigen Satz von
 Begrifflichkeiten zusammen.

Über die Wikiseite zum Tagging von Schulen bin ich auch schon
gestolpert. Ich finde die Verwendung englischer Begriffe zur
Schulklassifizierung etwas problematisch, da nicht alle deutschen
Schultypen eine englische Entsprechung haben und die englischen Begriffe
in unterschiedlichen Ländern auch sehr unterschiedliche genutzt werden.
Mit der Zusammenstellung eines Satzes von englischen Begriffen würden
wir also eine Art abstrakte Schulgliederung schaffen, auf die die realen
Schultypen verschiedener Länder dann abgebildet werden. Durch die
Verwendung englischsprachiger Begriffe, würde der abstrakte Charakter
allerdings nicht so recht deutlich werden.

Lange Rede kurzer Sinn. Ich schlage vor, zwei Tags zu verwenden: eins,
das eine recht genaue länderspezifische Typisierung der Schule enthält,
und ein zweites, das den ISCED-Level (oder eine Abwandlung) der Schule
beschreibt [1]. Diese Level werden von der UNESCO definiert und
klassifizieren Schulen Bildungssystem übergreifend. Ein solches System
wäre ähnlich den OSM-Adminlevels, denen einzelne Grenzen ja auch
abhängig von ihrer relativen Bedeutung zugeordnet werden.

Durch die Verwendung von zwei Tags ließen sich einerseits genaue Daten
über ein einzelnes Land erfassen andererseits aber auch leicht ein
globaler Überblick generieren.

snip

 Ich kann anbieten, dass von genannten Geokoordinaten (siehe auch
 Anmerkung von Frederik) das nächstgelegene OSM-Objekt mit einem Tag
 amenity=school gesucht wird, sodass wir auch gleichen eine QS-Aussage
 haben.

Das ist eine gute Idee. Ich werde mich melden, sobald ich die Daten habe.

Viele Grüße,
Christoph

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[Talk-de] Hessische Schuldatenbank

2012-02-15 Thread Christoph Böhme
Hallo zusammen,

das Amt für Lehrerbildung in Hessen pflegt eine Datenbank aller hessischen 
Schulen. Vor einigen Wochen fragte ich dort an, ob es möglich wäre, Daten aus 
dieser Datenbank in OpenStreetMap zu nutzen, um den Erfassungsgrad der Schulen 
zu verbessern. Meinem Ansprechpartner gefiel die Idee, und er wird mir in den 
nächsten Tagen einen Datenabzug zur Nutzung durch OSM zukommen lassen.

Der Abzug wird etwa 2000 Schulen umfassen und die folgenden Informationen für 
jede Schule enthalten:

- Name der Schule
- Schultyp
- Adresse
- Koordinaten (nicht bei Zweigstellen)
- Dienststellennummer (eine eindeutige Kennzeichnung jeder Schule, die auch 
nach einer Schulschließung nicht wiederverwendet wird. Also eine Art Persistent 
Identifier für Schulen)

Meine Idee zur Verwendung der Daten ist, sie automatisch als Nodes zu 
importieren, dabei aber so zu taggen, dass sie zunächst nicht auf der Karte 
auftauchen. Das source-Tag wird natürlich auch entsprechend gesetzt, so dass 
die importierten Knoten leicht auffindbar sind und die Informationen dann auf 
existierende Schulen übertragen werden können oder zum Anlegen neuer Schulen 
genutzt werden können.

Bevor ich den Import weiter forciere, würde ich gerne mit Euch diskutieren, ob 
mein vorgeschlagenes Vorgehen Zustimmung findet.

Viele Grüße,
Christoph

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Re: [Talk-de] Hessische Schuldatenbank

2012-02-15 Thread Christoph Böhme
Am 15.02.2012 14:32, schrieb Ronnie Soak:
 Toll, danke fuer die Muehe!

Vielen Dank!

 Duerfte ich einen Gegenvorschalg zum Import machen?
 
 Die Daten in Paeckchen zu je 50Stueck (oder 25?) aufteilen und ueber
 eine Wikiseite zum Download anbieten (.osm oder .gpx). Dahinter je
 eine Spalte fuer 'in Bearbeitung' und 'fertig'.

Das ist eine gute Idee. Ich denke es ist aber sinnvoll, die Datensätze
nach Orten oder Kreisen zu gruppieren, wie Frederik vorgeschlagen hat.
Alternativ könnten die Schulen einfach nach Postleitzahlen
zusammengefasst werden.

 Bei einem blinden Import liegen dann einzelne Knoten in der Datenbank,
 die unsauber getaggt sind (sonst wuerden sie ja gerendert werden) und
 keine Zuordnung zu den bestehenden Schulen haben. Es muessen also eh
 alle noch einmal per Hand kontrolliert werden.

Stimmt. Meine Hoffnung war, dass diese Knoten, wenn sie erstmal in der
Datenbank sind, auch von Mappern, die nichts von dem Import wissen, ins
Auge fallen, wenn sie eine Schule erfassen wollen. Allerdings besteht in
der Tat die Gefahr, dass sie sich einfach nur zu Datenleichen entwickeln.

Viele Grüße,
Christoph

 Da ist es besser, man macht das gleich beim Import, dann kann man
 wenigstens vernuenfig abhaken, was schon erledigt ist.
 
 Gruss
 
 Chaos99

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Re: [Talk-de] Hessische Schuldatenbank

2012-02-15 Thread Christoph Böhme
Am 15.02.2012 15:20, schrieb Frederik Ramm:
 Hallo,
 
 On 02/15/12 14:32, Ronnie Soak wrote:
 Die Daten in Paeckchen zu je 50Stueck (oder 25?) aufteilen und ueber
 eine Wikiseite zum Download anbieten (.osm oder .gpx). Dahinter je
 eine Spalte fuer 'in Bearbeitung' und 'fertig'.
 
 Vielleicht auch regional - nach Kreisen oder so? Dann koennen sich die
 Leute besser aussuchen, was in ihrer Naehe ist.

Ich denke auch, dass eine regionale Gruppierung besser ist.

 Ich bin auch auf jeden Fall fuer ein solches Vorgehen. Bei Importen
 kommt es darauf an, dass ein Mensch sich zustaendig fuehlt. Ich will,
 dass zumindest jeder einzelne Name von jeder einzelnen Schule einmal
 durch die Augen und das Hirn von irgendeinem, idealerweise
 ortsansaessigen, Mapper durchgeht, bevor das Ding in OSM landet.
  snip
 Nicht einer irgendwo in Frankfurt, der ein Skript geschrieben und einen 
 Knopf gedrueckt hat.

Das sehe ich ebenso. Daher mein Vorschlag einen blinden Import zu
machen. Ronnies Vorschlag ist aber noch besser, da dadurch die Datenbank
nicht so mit nur temporär relevanten Daten vermüllt wird.

 Es gibt noch etwas andres zu beachten, und zwar die Rechtesituation.
 Woher kommen denn die Koordinaten? Einige gewerbliche Anbieter haben da
 beim Geocoding naemlich Klauseln, die besagen, dass Du das Resultat des
 Geocodings nicht beliebig weitergeben darfst. Falls das Amt nun seine
 Schul-Adressen z.B. einfach komplett in eine Geocoding-Software gekippt
 und daraus Koordinaten gewonnen hat, dann sind die u.U. gar nicht
 berechtigt, uns die Koordinaten zu geben. Muss man ja auch nicht
 paepstlicher sein als der Papst (man kann sich auch auf den Standpunkt
 stellen: wenn das Amt uns zusichert, dass wir die Daten nehmen koennen,
 ist uns egal, ob die nachher Aerger mit ihrem Anbieter kriegen), aber
 zumindest koennte man ja mal vorsichtig fragen.

Ich habe die Auskunft erhalten, dass die Koordinaten unproblematisch
seien, da sie von einem Praktikanten manuell herausgesucht worden sind.
Aufgrund dieser Aussage würde ich die Koordinaten als nutzbar einstufen.
Wir könnten aber natürlich auch versuchen, die Adressen mit Hilfe von
Nominatim erneut zu geokodieren. Selbst wenn die so generierten
Positionen relativ ungenau sind, sollte es dann mit Ortskenntnis und
Bing (Schulen mit ihren großen Gebäuden und Schulhöfen lassen sich ja
ganz gut erkennen), eine genaue Positionierung vorzunehmen. Auf lange
Sicht werden diese Knoten ja ohnehin durch Flächen ersetzt werden,
vermute ich.

Viele Grüße,
Christoph

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Re: [Talk-gb-westmidlands] Sandwell Gritting routes

2011-11-13 Thread Christoph Böhme
Hi all

I've updated the gritting map [1]. The data was retrieved from the
overpass api and is hopefully up to date. The map now covers the area
between 2.275 and 1.378 west and 52.314 and 52.679 north.

Let me know if there are areas which should have gritting routes but
don't appear on the map. I wasn't following the progress closely enough
to remember which councils made their data available already and what
has been added to the map yet. For instance, I thought the gritting
routes in Coventry were already in the database.

Best
Christoph


[1] http://mappa-mercia.org/gritting-map.shtml

Am 10.11.2011 12:36, schrieb Brian Prangle:
 Hi everyone
 
 We're making great progress with over  half the routes now completed.
  Christoph will be re-rendering the gritting map this weekend so it would
 be good to see if we could complete this at the same time. There are still
 two routes unallocated - so grit your teeth and choose one ;-)
 
 It's also a good opportunity to do some tidying up of the road alignments
 and anything else you see along the route
 
 Regards
 
 Brian
 
 
 
 
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Re: [Talk-gb-westmidlands] Radio WM

2010-12-23 Thread Christoph Böhme
I recorded it:

http://mappa-mercia.org/2010-12-23-BBC-WM-Gritting-Routes.mp3

It was very good indeed!

Best,
Christoph

On 23/12/10 14:21, Andy Mabbett wrote:
 And very good it was, too!
 
 Anyone manage to record it? An MP3 would be quite handy.
 
 On 23 December 2010 12:43, Brian Prangle bpran...@gmail.com wrote:
 Hi everyone
 If you can listen to BBC radio WM we're on again at 210-215 this afternoon
 Regards
 Brian
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Re: [Talk-gb-westmidlands] Map fiddling

2010-06-11 Thread Christoph Böhme
I created a list on the Mappa Mercia wiki page to log our resolutions
for the discrepancies. The link is:

http://wiki.openstreetmap.org/wiki/Mappa_Mercia/OS_Locator_Bugs

Cheers,
Christoph

Andy Robinson \(blackadder\) blackadder...@googlemail.com schrieb:

 Tom Hughes has just added the ITO World Locator tiles overlay to his
 map browser, which makes it a lot easier to browse around the region
 and find the difference between OSM and the OS OpenData StreetView.
 
 http://maps.compton.nu
 
 Just click the overlay at the bottom of the layers panel.
 
 Be warned though, not all difference are down to errors in OSM, but
 just difference in the way labels are done in the OS dataset. For
 instance, Birmingham and other LA's don't generally nowadays put
 apostrophes in street signs, but the OS data set often will have them
 for the same street. As always with OSM, stick to what's on the
 ground. If we record discrepancies on the Mappa-Mercia page on the
 wiki we can keep an eye out for differences that we know of and what
 a resurvey on the ground tells us. It also means we can revert easily
 if someone blindly uses the OS mapping as fact.
 
 You will find that the number of discrepancies in Birmingham isn't so
 great, they are infrequent and spaced about with just the odd one
 here and there in each locality. However slide yourself across the
 Black Country and it's a different story. Because a lot of mapping in
 the Black Country has been hit and miss to date there are lots of
 locations needing attention.
 
 Happy mapping
 
 Cheers
 
 Andy
 
 
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Re: [Talk-gb-westmidlands] WM Hack Day

2010-04-19 Thread Christoph Böhme
Hi Ciarán,

May 22 is the preliminary date, if I remember correctly. 

Christoph

Ciarán Mooney general.moo...@googlemail.com schrieb:

 Hi,
 
 There was talk on Saturday about a OSM hack day in Birmingham. Was
 there any preliminary dates for the event? I'm going to miss the
 London event, and have an idea I'd like to try out (making an OSM
 based A-Z).
 
 Ciarán
 
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Re: [Talk-gb-westmidlands] Kidderminster

2010-04-19 Thread Christoph Böhme
I'm done with my area. Looking forward to see a direct comparison of
before and after!

Best,
Christoph


Brian Prangle bpran...@googlemail.com schrieb:

 Hi everyone
 
 Can you let me know when you've finished your edits so I can get an
 after map to go on the blog  with the before map. So far it's
 lookinbg pretty good!
 
 Regards
 
 Brian

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Re: [Talk-GB] XAPI lagging behind by days?

2010-03-23 Thread Christoph Böhme
Tom Chance t...@acrewoods.net schrieb:

 On 23 March 2010 13:20, Christoph Boehme christ...@b3e.net wrote:
 
  Well, I just updated the Birmingham scheme two days ago to accept
  naptan:verified=yes, because Andy asked for it.
 
  Perhaps it makes sense to reorganise the schemes to have only one
  basic scheme which displays verification status, CUS and
  notes/errors and a number of specialised schemes building on top of
  the basic one for information that is not available everywhere like
  route references, shelter information and asset references.
 
 
 That sounds sensible. The basic scheme would presumably be enough for
 generalist mappers like me to be sure we're tidying NAPTAN up, without
 needing all the transport geek data I've never heard of?

Yes, exactly. My current plan is to have four types of stops in the
basic scheme:

1. Non-NaPTAN stops: Stops without naptan:*-tags. Basically plain
   old OSM bus stops.
2. Unverified NaPTAN stops: Stops from the NaPTAN import which
   have a naptan:verified=no tag or which are missing the
   highway=bus_stop tag.
3. Verified NaPTAN stops: Stops tagged as hightway=bus_stop and with
   either no naptan:verified tag or a naptan:verified=yes tag.
4. CUS-stops: Stops with naptan:BusStopType=CUS because they are not
   marked on the ground and cannot be verified.

Extended schemes would be:

1. Stops with notes: Highlight stops with a note or naptan:error tag
2. Route information: Highlight stops which are missing the route_ref
   tag.
3. Shelter and asset refs: Highlight bus stops which have shelter=yes
   and no asset_ref or which have no shelter tag at all (this might be
   quite Birmingham specific).
4. Anything else?

I suggest to keep the old schemes but rename them to the name of the
public transport network they apply to (e.g. Transport West Midlands
for Birmingham), since they are based on the amount of information that
is available on the signs used by a particular network.

Best,
Christoph

 Best,
 Tom
 
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Re: [Talk-GB] [Talk-transit] NaPTAN - Time for the rest?

2010-03-21 Thread Christoph Böhme
Tom Chance t...@acrewoods.net schrieb:

 2010/3/16 Christoph Böhme christ...@b3e.net
 
  Tom Chance t...@acrewoods.net schrieb:
   I recall a tool developed for the west midlands showing the state
   of the imported data, but can that be used nationwide?
 
  I reckon you are refering to NOVAM (http://mappa-mercia.org/novam)?
  The tool is working nationwide. However, the data it shows has not
  been updated since February, because the update process NOVAM uses
  is currently broken. I do not have much spare time at the moment
  but I will try to fix this at some point (hopefully soon).
 
 
 Lovely, thanks for the link and best of luck with finding that
 time :-)

I found the time (or rather an easier solution to the problem): NOVAM
now uses the XAPI servers to retrieve the bus stop data. So, it should
be up-to-date again and hopefully in the future as well :-)

  The cycle map and regular chatter have seen coverage blossom.
   Obviously bus stops aren't as interesting to fellow OSM nutters as
   cycle routes; and the cycle map was an early mover and got onto
   the front page of the main web site. But can't we make a bit more
   of an effort to push this across the GB community?
 
  I have the feeling that one of the reasons for the relatively low
  interest in bus stops is that their use is quite limited without
  additional timetable information.
 
 
 I gave a talk on OSM to my local Tenants Association federation for
 Southwark (a municipal area in London). They absolutely loved the
 public transport map (www.öpnvkarte.de
 http://www.xn--pnvkarte-m4a.de) which has the bus stops along with
 bus/train/tube/DLR/tram routes.
 
 It's very similar to the cycle map, only most OSM mappers cycle
 everywhere whilst few find the public transport particularly useful.
 So limited to us, perhaps. Later this year if I get some time and I'm
 not elected in the local elections I intend to spend some more time
 with tenants helping them to put the data in since they find it handy.

Public transport maps are of course very useful! However, I was more
thinking in terms of developing other applications which use public
transport data. Things like public transport routing or a map which
highlights bus stops where a bus is due to arrive soon, for example.
Most applications that come to my mind would require timetable
information.

Best,
Christoph

 Best,
 Tom
 
 
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Re: [Talk-GB] [Talk-transit] NaPTAN - Time for the rest?

2010-03-16 Thread Christoph Böhme
Tom Chance t...@acrewoods.net schrieb:

 I recall a tool developed for the west midlands showing the state of
 the imported data, but can that be used nationwide?

I reckon you are refering to NOVAM (http://mappa-mercia.org/novam)? The
tool is working nationwide. However, the data it shows has not been
updated since February, because the update process NOVAM uses is
currently broken. I do not have much spare time at the moment but I
will try to fix this at some point (hopefully soon).

 The cycle map and regular chatter have seen coverage blossom.
 Obviously bus stops aren't as interesting to fellow OSM nutters as
 cycle routes; and the cycle map was an early mover and got onto the
 front page of the main web site. But can't we make a bit more of an
 effort to push this across the GB community?

I have the feeling that one of the reasons for the relatively low
interest in bus stops is that their use is quite limited without
additional timetable information. 

Best,
Christoph

 After cars and walking, public transport is the most used means of
 getting around ths country so I'd say it should be a fairly high
 priority to get that data right.

 Best wishes,
 Tom
 
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Re: [Talk-gb-westmidlands] Gritting Routes Solihull

2010-02-03 Thread Christoph Böhme
Brian,

I just completed a new render. We seem to have reached the edge of the
area I am currently rendering. Next time I will render a slightly
bigger area :-)

Best,
Christoph

Brian Prangle bpran...@googlemail.com schrieb:

 Hi everyone
 
 I've made a start on  gritting route 1 (I'm tagging routes as
 gritting_route_ref = x). All Solihull routes are priority_1 (they
 only have one).  Anyone want to help with other routes - there's 9 in
 total? Christoph we could probably do with a daily render again
 
 Regards
 
 Brian

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Re: [Talk-transit] Fwd: Novam viewer

2010-01-20 Thread Christoph Böhme
Thanks for the forwarded message, Shaun.

The problem is that Novam is not using osmosis but a home-brewed python
script to update its database. So, either need to update this script or
(probably the better solution in the long-run) build an update
process based on Osmosis. 

Cheers,
Christoph

Shaun McDonald sh...@shaunmcdonald.me.uk schrieb:

 Hi Christoph,
 
 I hope that this helps. If not, Brett is happy to help with getting
 Osmosis working with the newer diffs.
 
 Shaun
 
 
 Begin forwarded message:
 
  From: Brett Henderson br...@bretth.com
  Date: 17 January 2010 21:34:42 GMT
  To: Shaun McDonald sh...@shaunmcdonald.me.uk
  Subject: Re: [Talk-transit] Novam viewer
  
  Hi Shaun,
  
  Do they need any help?  If they're currently using the
  --read-change-interval task to download updates it should be
  straightforward to switch to the --read-replication-interval task
  instead.
  
  Brett
  
  On Mon, Jan 18, 2010 at 12:46 AM, Shaun McDonald
  sh...@shaunmcdonald.me.uk wrote: Another service that has just
  realised that they have diff update issues, just in case you are
  not on this list.
  
  Shaun
  
  Begin forwarded message:
  
   From: Christoph Böhme christ...@b3e.net
   Date: 17 January 2010 12:04:11 GMT
   To: Public transport/transit/shared taxi related topics
   talk-transit@openstreetmap.org Cc: e...@loach.me.uk
   Subject: Re: [Talk-transit] Novam viewer
   Reply-To: Public transport/transit/shared taxi related topics
   talk-transit@openstreetmap.org
  
   Hi Ed,
  
   the updates used to be done from minutely diffs but since the old
   minutely-diffs have been replaced by the new replication diffs
   this is not working anymore. I only noticed this problem two days
   ago and have not yet decided how to fix it in NOVAM.
  
   At the moment updates are only done once a day. I will update the
   wiki page to explain this.
  
   Christoph
  
   Ed Loach e...@loach.me.uk schrieb:
  
   I verified a number of bus stops yesterday and entered the
   information this morning.
   http://www.openstreetmap.org/browse/changeset/3638396
  
   The help for the Novam viewer suggests that it is updated from
   minutely diffs, but these changes were uploaded an hour ago and
   don't seem to show in Novam yet (though the moved bus stops are
   rendering in their new locations in the background layer).
  
   Is this a problem with the viewer or the diffs?
  
   Ah. I just scrolled down and see the bus stops were last updated
   at midnight this morning. Is that then just a mistake in the OSM
   wiki that I read when I followed the help link?
  
   Ed
  
  
  
  
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Re: [Talk-gb-westmidlands] Public Art

2010-01-19 Thread Christoph Böhme
Hi Andy,


I don't think there is an official tag for it yet but something like
artwork= would probably be nice. A quick search on osmdoc.com (a website
which shows which tags people use) showed to types of artwork tagging:

http://osmdoc.com/en/tag/artwork/#values
http://osmdoc.com/en/tag/artwork_type/#values

IMHO the first form is is nice then artwork_type.

Best,
Christoph

 Andy Mabbett a...@pigsonthewing.org.uk schrieb:

 Hi folks,
 
 I'd like to start adding some public art - things like Iron:Man in
 Victoria Square. Such objects aren't memorials, so how should I tag
 them?

 -- 
 Andy Mabbett
 @pigsonthewing
 http://pigsonthewing.org.uk
 ** via webmail **
 
 
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Re: [Talk-gb-westmidlands] Gritting Map

2010-01-17 Thread Christoph Böhme
Brian Prangle bpran...@googlemail.com schrieb:
 snip
 Christoph - do we want to differentiate between
 Councils as to route colouring or just keep the standard you have set
 and add an operator= tag instead?

The map will probably become very cluttered if we use different
colouring for each council. I also do not think it is particularly
important to know which council is gritting a route. Since the
boundaries are on the map it is quite easy to find out without special
colours if someone really wants to know.

I am not sure if we need the operator= tag. We do not really need it as
long as we assume that all streets within a city boundary are gritted
by the respective city council. We can then simply query all gritting
routes within a boundary polygon or checking in wich council a road is
to find out.

Cheers,
Christoph


 Regards
 
 Brian

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Re: [Talk-gb-westmidlands] Gritting Map

2010-01-16 Thread Christoph Böhme
Hi Brian

(also forwarded to talk-west-midlands)

I integrated the gritting map into the main Mappa Mercia website [1] so
that visitors can find some more information about the project. The
map has a map key and it now also shows grit bins (not that we have
many in the database yet). 

Cheers,
Christoph

[1] http://mappa-mercia.org/gritting-map.shtml

Brian Prangle bpran...@googlemail.com schrieb:

 Hi Christoph
 
 Before we go public with your map it would be good to have a key as
 to what the colours represent - we all know what they mean but the
 public won't. BTW love your add-ons to josm
 
 Regards
 
 Brian

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Re: [Talk-gb-westmidlands] Gritting routes in Birmingham

2010-01-15 Thread Christoph Böhme
No problem, I do daily renderings then. I'm just doing one at the
moment so the new routes should appear in ten minutes or so.

Best,
Christoph

Brian Prangle bpran...@googlemail.com schrieb:

 Christoph
 
 We could probably do with a daily rendering if we're serious about
 completing this - we need one today as I've added a whole load more
 
 Regards
 
 Brian

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[Talk-gb-westmidlands] Josm style for gritting routes

2010-01-15 Thread Christoph Böhme
Hi all,

on http://mappa-mercia.org/bham-gritting/josm-style.xml you can find a
simple style for josm which highlights routes with gritting priority.

Simply add the url to the list of map paint styles (it hides on the
third tab from top) in the josm preferences and restart josm. Now all
routes with maintance=gritting and gritting=priority_X should be
highlighted with a red or blue outline.

Best,
Christoph

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Re: [Talk-gb-westmidlands] Gritting routes in Birmingham

2010-01-14 Thread Christoph Böhme
Nice idea. I will add the overlay to the main mappa-mercia website over
the weekend. Lets hope for some more snow :-)

Cheers,
Christoph

Andy Robinson \(blackadder-lists\) ajrli...@googlemail.com schrieb:

 That would be the plan. It's still fresh in everyone's minds right
 now so I suspect the newspapers would pick up on it if we got it done
 in the next few days and that’s a real possibility. Might be nice to
 do something jointly with BCC too.
 
 Cheers
 
 Andy
 
 -Original Message-
 From: talk-gb-westmidlands-boun...@openstreetmap.org [mailto:talk-gb-
 westmidlands-boun...@openstreetmap.org] On Behalf Of Jeni
 Sent: 14 January 2010 5:23 PM
 To: Talk-gb-westmidlands@openstreetmap.org
 Subject: Re: [Talk-gb-westmidlands] Gritting routes in Birmingham
 
 If we can get this to a point where it is more or less complete (for
 the area) before the next big freeze happens, there could be some
 good PR for OSM in the local area if someone were to issue a press
 release?
 
 Jeni
 
 Christoph Böhme wrote:
  Hi all,
 
  I created a map overlay showing the gritting routes (there are not
  many yet!) in Birmingham: http://mappa-mercia.org/bham-gritting/
 
  The overlay works only from zoom layer 10-16. It is also not
  automatically updated. So, please drop me an email when you added
  new routes [1] and want them to appear on the map.
 
  Cheers,
  Christoph
 
  [1] Andy put a list of all routes up on the wiki:
  http://wiki.openstreetmap.org/wiki/BirminghamGrittingPriority
 
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Re: [Talk-gb-westmidlands] Power Lines

2009-11-30 Thread Christoph Böhme
I noted another problem with the powerlines from the 1:25k mapping.
Even when the lines still exist the positions of the towers have often
changed. So, we do not only need to verify the lines but all the towers
as well :-)

Christoph


Andy Robinson \(blackadder\) blackadder...@googlemail.com schrieb:

 User tms13 has been adding a lot of features from the 1:25k mapping,
 power lines for example, without checking they still exist on the
 ground. I've sent the user a note but wanted to give the group the
 heads up as they will all need verifying.
 
 To save someone adding them again if they are deleted I would suggest
 they are tagged as former power lines so that they don't render but
 show up as ways in the editor.
 
 Cheers
 
 Andy
 
 
 
 
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Re: [Talk-transit] Updating the NaPTAN bus stops in Birmingham

2009-11-23 Thread Christoph Böhme
The update has been completed now. It's changeset 3194365 on the NaPTAN
account.

Cheers,
Christoph

Christoph Böhme christ...@b3e.net schrieb:

 Hi,
 
 I plan to do an update of the NaPTAN bus stops in Birmingham to bring
 them in line with the imports in the rest of the country. The update
 will make the following changes:
 
 1. All naptan:unverified=yes tags are changed to naptan:verified=no.
This will make maintenance of the colour schemes in Novam easier.
 2. naptan:unverified=no tags are removed. I think this makes more
 sense than replacing them with naptan:verified=yes.
 3. naptan:AdministrativeAreaRef tags will be removed as they have only
been used in the Birmingham import and nowhere else. So the tag is
quite useless (tagwatch lists 105 as the only value for the tag).
 4. naptan:Bearing tags will be added to all NaPTAN stops that do not
have them yet (i.e. the stops in Birmingham).
 5. naptan:BusStopType=CUS will be added when available and not yet
existing.
 
 I am currently making the finishing touches on the import script and
 will test it then. So, if there are no objections against the changes
 the update should ready to go ahead in a couple of days.
 
 Method used for the update:
 
 I extracted atco-code, bearing, and bus stop type with an xsl script
 from the NaPTAN xml file for the West Midlands and placed the data
 into a new table in the Novam database. 
 
 Since Novam maintains an up-to-date extract of all bus stops in OSM
 the bus stops which need be updated can easily be selected and joined
 with the new data in the table created before.
 
 Finally, a python script goes through the selected bus stops, applies
 the modifications outlined above to each them, and uploads them
 through the python osm api to OSM. If the upload fails due to a
 version conflict the latest version of the bus stop is retrieved from
 OSM and the script changes this node and uploads it again.
 
 The scripts are currently tailored to add and remove some tags from
 the Birmingham bus stops. However, I think this update might be a
 helpful step towards more complex updates of the NaPTAN data in OSM.
 
 Cheers,
 Christoph
 
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Re: [Talk-gb-westmidlands] [Talk-transit] Updating the NaPTAN bus stops in Birmingham

2009-11-23 Thread Christoph Böhme
The update has been completed now. It's changeset 3194365 on the NaPTAN
account.

Cheers,
Christoph

Christoph Böhme christ...@b3e.net schrieb:

 Hi,
 
 I plan to do an update of the NaPTAN bus stops in Birmingham to bring
 them in line with the imports in the rest of the country. The update
 will make the following changes:
 
 1. All naptan:unverified=yes tags are changed to naptan:verified=no.
This will make maintenance of the colour schemes in Novam easier.
 2. naptan:unverified=no tags are removed. I think this makes more
 sense than replacing them with naptan:verified=yes.
 3. naptan:AdministrativeAreaRef tags will be removed as they have only
been used in the Birmingham import and nowhere else. So the tag is
quite useless (tagwatch lists 105 as the only value for the tag).
 4. naptan:Bearing tags will be added to all NaPTAN stops that do not
have them yet (i.e. the stops in Birmingham).
 5. naptan:BusStopType=CUS will be added when available and not yet
existing.
 
 I am currently making the finishing touches on the import script and
 will test it then. So, if there are no objections against the changes
 the update should ready to go ahead in a couple of days.
 
 Method used for the update:
 
 I extracted atco-code, bearing, and bus stop type with an xsl script
 from the NaPTAN xml file for the West Midlands and placed the data
 into a new table in the Novam database. 
 
 Since Novam maintains an up-to-date extract of all bus stops in OSM
 the bus stops which need be updated can easily be selected and joined
 with the new data in the table created before.
 
 Finally, a python script goes through the selected bus stops, applies
 the modifications outlined above to each them, and uploads them
 through the python osm api to OSM. If the upload fails due to a
 version conflict the latest version of the bus stop is retrieved from
 OSM and the script changes this node and uploads it again.
 
 The scripts are currently tailored to add and remove some tags from
 the Birmingham bus stops. However, I think this update might be a
 helpful step towards more complex updates of the NaPTAN data in OSM.
 
 Cheers,
 Christoph
 
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[Talk-gb-westmidlands] Updating the NaPTAN bus stops in Birmingham

2009-11-17 Thread Christoph Böhme
Hi,

I plan to do an update of the NaPTAN bus stops in Birmingham to bring
them in line with the imports in the rest of the country. The update
will make the following changes:

1. All naptan:unverified=yes tags are changed to naptan:verified=no.
   This will make maintenance of the colour schemes in Novam easier.
2. naptan:unverified=no tags are removed. I think this makes more sense
   than replacing them with naptan:verified=yes.
3. naptan:AdministrativeAreaRef tags will be removed as they have only
   been used in the Birmingham import and nowhere else. So the tag is
   quite useless (tagwatch lists 105 as the only value for the tag).
4. naptan:Bearing tags will be added to all NaPTAN stops that do not
   have them yet (i.e. the stops in Birmingham).
5. naptan:BusStopType=CUS will be added when available and not yet
   existing.

I am currently making the finishing touches on the import script and
will test it then. So, if there are no objections against the changes
the update should ready to go ahead in a couple of days.

Method used for the update:

I extracted atco-code, bearing, and bus stop type with an xsl script
from the NaPTAN xml file for the West Midlands and placed the data into
a new table in the Novam database. 

Since Novam maintains an up-to-date extract of all bus stops in OSM the
bus stops which need be updated can easily be selected and joined with
the new data in the table created before.

Finally, a python script goes through the selected bus stops, applies
the modifications outlined above to each them, and uploads them through
the python osm api to OSM. If the upload fails due to a version conflict
the latest version of the bus stop is retrieved from OSM and the script
changes this node and uploads it again.

The scripts are currently tailored to add and remove some tags from the
Birmingham bus stops. However, I think this update might be a helpful
step towards more complex updates of the NaPTAN data in OSM.

Cheers,
Christoph

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[Talk-transit] Abbreviations in naptan:indicator

2009-11-04 Thread Christoph Böhme
Hi,

I am trying to make sense of the abbrevations used in the
naptan:indicator tag. adj and opp are clear but I cannot work out what
bey and bef are supposed to mean.

Thank you,
Christoph

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Re: [Talk-transit] Real-Time Bus Map

2009-11-03 Thread Christoph Böhme
Valent Turkovic valent.turko...@gmail.com schrieb:

 http://googlemapsmania.blogspot.com/2009/10/real-time-bus-map.html
 
 Is this possible with OpenStreetMap? I would like to make Real Time
 Bus Map for my home town. We have created bus and tram relation
 tracks and this would be the next step, if possible.

Technically it is easily possible: All stops imported during the NaPTAN
import have a tag called naptan:NaptanCode. This tag can be used to
request real-time information (e.g. via text messages). In the West
Midlands area this information can also be accessed via
http://netwm.mobi/. So, theoretically you could simple display an
overlay with bus stops in OpenLayers (like Novam [1] does) and
automatically query netwm.mobi when the user clicks on a stop and
display the netwm's output in a popup.

However, I reckon there are legal problems with this approach :-)

Cheers,
Christoph

 Cheers.
 
 
 
 -- 
 pratite me na twitteru - www.twitter.com/valentt
 http://kernelreloaded.blog385.com/
 linux, blog, anime, spirituality, windsurf, wireless
 registered as user #367004 with the Linux Counter,
 http://counter.li.org. ICQ: 2125241, Skype: valent.turkovic
 
 
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Re: [Talk-transit] Real-Time Bus Map

2009-11-03 Thread Christoph Böhme
Valent Turkovic valent.turko...@gmail.com schrieb:

 On Tue, 03 Nov 2009 22:05:56 +, Christoph Böhme wrote:
 
  However, I reckon there are legal problems with this approach
 
 
 Is it possible to make it using only opnestreetmap data, so that it
 open and legal?

The problem is that you need real-time data from the bus route
operators to know where their busses are. Since this data is constantly
changing Openstreetmap is -- in my opinion -- not the right place for
it. It would also be handy to have the timetables in a database as
well; I am not aware that anyone is adding timetables at the moment
and again I would not use OSM for that.

Nonetheless it would be really cool to produce such a map.

Cheers,
Christoph

 
 -- 
 pratite me na twitteru - www.twitter.com/valentt
 http://kernelreloaded.blog385.com/
 linux, blog, anime, spirituality, windsurf, wireless
 registered as user #367004 with the Linux Counter,
 http://counter.li.org. ICQ: 2125241, Skype: valent.turkovic
 
 
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Re: [Talk-transit] NOVAM is back

2009-11-01 Thread Christoph Böhme
Shaun McDonald sh...@shaunmcdonald.me.uk schrieb:

 
 On 1 Nov 2009, at 20:40, Chris Morley wrote:
 
  Christoph Böhme wrote:
  And another update of NOVAM:
 
  This seems to be useful tool and I like the addition of the bearing
  symbols. But the current ones are equilateral triangles and
  three-way ambiguous. The meaning can be worked out after a bit of
  thought, but the reason for having them is to get the information
  at a glance. Maybe an ordinary arrow?
 
 
 Yeah, I'd agree with this as there were quite a few arrows that I  
 misinterpreted, or thought were strange until I took a second glance.

I was excepting this request. My first thought when I looked at a map
covered with bearings was: using triangles wasn't a good idea. But
since I just had spent an hour creating these icons I decided to leave
them for now (perhaps no one would ask for a change ...). I will create
better ones soon.

Cheers,
Christoph

 Shaun
 
  Chris
 
  PS I don't expect language pedants to be reading this list.
 
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Re: [Talk-transit] NOVAM is back

2009-10-28 Thread Christoph Böhme
Chris Hill o...@raggedred.net schrieb:

 Christoph Böhme wrote:
  I've updated Novam. It now supports multiple colour schemes and also
  highlights errors in the tagging of stops.
 
  At the moment three colour schemes are defined:
 
  1. The original Birmingham one
  2. Chris Hill's colour scheme for Hull (with slightly different
  colours though)
  3. Peter Miller's colour scheme which should work for most of the UK
  (please tell me if you rather not have the colour scheme named after
  you)
 
  These colour schemes should work but they might need some fine
  tuning.
 
  Additional colour schemes can easily be added. If you are
  interested in writing one have a look at [1]. The file lacks
  documentation but it should be clear from the three existing
  schemes how schemes are defined.
 
  Christoph
 
  [1] http://mappa-mercia.org/novam/scripts/Novam/Schemes.js

 
 Thanks Christoph, I like my eponymous scheme - it does just what I
 need it to do. Seeing the tags on a selected stop is particularly
 easy.
 
 I would like the colour of the purple and grey tags to be a bit more 
 distinct. May I suggest that the stops with a note tag (currently 
 purple) be changed to orange so they stand out?

Grey and purple were indeed a bit similar. Orange looks much better.

Cheers,
Christoph


 Cheers, Chris
 
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Re: [Talk-transit] NOVAM is back

2009-10-28 Thread Christoph Böhme
Chris Hill o...@raggedred.net schrieb:

 Christoph Böhme wrote:
  Chris Hill o...@raggedred.net schrieb:
 

  Christoph Böhme wrote:
  
  I've updated Novam. It now supports multiple colour schemes and
  also highlights errors in the tagging of stops.
 
  At the moment three colour schemes are defined:
 
  1. The original Birmingham one
  2. Chris Hill's colour scheme for Hull (with slightly different
  colours though)
  3. Peter Miller's colour scheme which should work for most of the
  UK (please tell me if you rather not have the colour scheme named
  after you)
 
  These colour schemes should work but they might need some fine
  tuning.
 
  Additional colour schemes can easily be added. If you are
  interested in writing one have a look at [1]. The file lacks
  documentation but it should be clear from the three existing
  schemes how schemes are defined.
 
  Christoph
 
  [1] http://mappa-mercia.org/novam/scripts/Novam/Schemes.js


  Thanks Christoph, I like my eponymous scheme - it does just what I
  need it to do. Seeing the tags on a selected stop is particularly
  easy.
 
  I would like the colour of the purple and grey tags to be a bit
  more distinct. May I suggest that the stops with a note tag
  (currently purple) be changed to orange so they stand out?
  
 
  Grey and purple were indeed a bit similar. Orange looks much better.
 
  Cheers,
  Christoph

 Errr, I think something has broken ...

Upps, should work now. Forgot to test the latest changes in
Firefox.

Christoph

 The right hand panel is blank now and all the icons are grey.
 
 Cheers, Chris
 
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Re: [Talk-transit] [Spam] Re: NOVAM is back

2009-10-22 Thread Christoph Böhme
I added the permalink and mapjumper is now working fine. It is a very
handy tool!

Cheers,
Christoph

Vincent Pottier vpott...@gmail.com schrieb:

 Peter Miller wrote:
 
  I meant just the plain old OSM website from which one could use edit
  if one wished. Having said that the MapJumper is possibly a better
  way of achieving this (although I don't yet understand exactly how
  it works).
 
 First
 ===
 The server must be recorded into the list of the wiki page :
 http://wiki.openstreetmap.org/wiki/User:FrViPofm/mapJumper/MapJumperServers
 (One rule, the service must be linked to the OSM project.)
 I suggest something like :
 
 
 {{MapJumperServer
 | name = novam
 | shortcut = n
 | url = mappa-mercia.org/novam/
 | layers = B0T
 | desc = post-import NaPTAN
 | theme = import,survey
 | zone = UK
 }}
 
 
 I will not be there those days when the URL control and permalink
 would be set.
 So you ( Christoph ?) can hat this record.
 The full url must be check. Cloudmade's like URL are supported by
 adding | lon = lng
 
 
 When the page is saved, the server is available in the mapJumper page.
 
 Second
 =
 Install a bookmarklet in your browser
 --
 - Go to the mapJumper builder page :
 http://frvipofm.net/osm/mapjumper/
 
 - Chose a preset, make your choice...
 The javascript code is set dynamicly in the yellow zone.
 
 - Copy the code
 
 - Create a new bookmark in your browser, give it a name (let us say
 'mJ[survey]', you can have several mapJumper with different themes)
 
 - Paste the code and save.
 
 The mapJumper bookmarklet is available.
 
 Third
 
 Using the mapJumper bookmarklet
 
 When you are on a map with a reguliar url (with
 'lat=NNN[lon|lng]=NNNzoom=NNN')
 - Select the mapJumper bookmarklet.
 
 - In the dialog, enter the shortcut ( let us say : 'n' ), if you want
 the map open in a new window, add a '+' sign. Enter.
 
 Using the mapJumper hub
 -
 By default the mapJumper hub is available in the bookmarklet with the
 '_' (underscore) shortcut.
 With only one clic more, with the '_' shortcut, all the services are
 near... Even those you didn't select...
 
 When you are on a map with a reguliar url (with
 'lat=NNN[lon|lng]=NNNzoom=NNN')
 - Select the mapJumper bookmarklet.
 
 - In the dialog, enter the '_' shortcut, if you want the map open in a
 new window, add a '+' sign. Enter.
 
 - On the hub page, select a theme, or select directly the service.
 
 Fourth
 =
 Enjoy
 ---
 -- 
 Vincent alias FrViPofm
 
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Re: [Talk-gb-westmidlands] Lug Radio Live - How about a mapping party??

2009-10-18 Thread Christoph Böhme
Hi,

have any plans been made for a Lug radio mapping party? I am free on
Sat and would happily do some mapping in Wolverhampton.

Christoph

Andy Robinson \(blackadder-lists\) ajrli...@googlemail.com schrieb:

 Lug radio Live is fast approaching, running on Sat 24th October.
 
 This would seem a logical date to do a mapping party. While the lug
 folks listen to lug stuff we can feed out and map, returning to
 spread the word at lunchtime etc.
 
 I'm due to talk about OSM at 15:00, not clear yet if they will have a
 proper exhibition but I'm sure we can ad hoc something as required.
 
 Who's available that weekend? Wolverhampton has much unloved area
 still to map.
 
 Cheers
 
 Andy
 
 
 
 
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Re: [Talk-transit] open transit map?

2009-09-29 Thread Christoph Böhme
Bin Jiang bin.ji...@hig.se schrieb:

 Hi, I wonder if any transit map is available like openstreetmap.org
 and opencyclemap.org. I tried opentransitmap.org without success:-)

Try http://www.öpnvkarte.de/ Although, I am not sure how much of the
world is covered.

Cheers,
Christoph

 Cheers.
 
 Bin
 
 -- 
 
 Bin Jiang
 Division of Geomatics, KTH Research School
 Department of Technology and Built Environment
 University of Gävle, SE-801 76 Gävle, Sweden
 Phone: +46-26-64 8901Fax: +46-26-64 8828
 Email: bin.ji...@hig.se  Web: http://fromto.hig.se/~bjg/
 
 European Associate Editor
 Computers, Environment and Urban Systems: An International Journal
 
 NordGISci: http://fromto.hig.se/~bjg/NordGISci/
 ICA Commission: http://fromto.hig.se/~bjg/ica/
 
 
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Re: [Talk-gb-westmidlands] NOVAM Viewer

2009-09-09 Thread Christoph Böhme
Hi!

Ciarán Mooney general.moo...@googlemail.com schrieb:

 I am trying to merge some bus stops on Penns Lane, Sutton Coldfield.
 
 http://www.openstreetmap.org/?lat=52.53496lon=-1.81479zoom=15layers=B000FTF
 
 I have moved them all to the correct position. Some of them were
 spectacularly off, I was very surprised that the Naptan data was that
 bad!
 
 However on Xoff's little NOVAM viewer I can see they have changed
 colour to orange and they are incomplete, but I don't know why. What
 tags are they missing??

I can only see one orange stop which is missing the shelter tag. Did
you manage to fix the other ones?

The rules for the colouring of the bus stops are as follows:

Bus stops should show up green if they have 
a highway-tag [1] 
AND a naptan:AtcoCode-tag 
AND NO naptan:unverified-tag 
AND NO naptan:verified=no
AND a 'route_ref' tag 
AND a shelter tag.

A stop is considered a plain naptan stop (blue) if it has 
NO highway-tag
AND a naptan:AtcoCode-tag
AND a naptan:unverified-tag OR a naptan:verified=no.

Plain OSM stops (yellow) must have
a highway-tag
AND NO naptan:AtcoCode.

And finally there is the concept of a physically not present stop
(grey). This is a bit unfinished as we have not really decided what to
do with these stops. At the moment a stop classifies as not physically
present if it has
NO highway-tag (to prevent it from showing up on the map)
AND a naptan:atcoCode-tag
AND a physically_present tag set to 'no'.

All remaining stops are displayed as an orange stop. This is a bit of
catch-all which does not actually display merged stops but everything
that is not explicitely marked finished or *not* merged.

 We could do with some more documentation! And then starting to
 publicise it maybe?

A number of people started using it (at least I am constantly receiving
error reports when people try to use the not yet implemented functions).

After talking to Brian last Thursday I have decided to not develop the
actual merger any further as merging can easily be done with josm.
Also, things like stop areas add lots of complexity to the merging
process and it would be difficult to implement this all. So, I will
concentrate on improving the viewer which seems to be very helpful.

Cheers,
Christoph

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Re: [Talk-gb-westmidlands] Talk-gb-Thursday meet

2009-09-04 Thread Christoph Böhme
Hi Andy,

yes, it was a good meeting. The West Bromwich map has grown a fair bit
despite a downpour during the mapping hour. But we were rewarded
afterwards with a very good stout and tasty food in the pub.

Brian suggested to have a small mapping party on a Saturday in October
with a lunch break in the Wheatsheaf.

Christoph

Andy Robinson \(blackadder-lists\) ajrli...@googlemail.com schrieb:
 Sorry I couldn't get over tonight. Hope it went well.
 
 Cheers
 
 Andy
 
 -Original Message-
 From: Brian Prangle [mailto:bpran...@googlemail.com]
 Sent: 03 September 2009 9:24 AM
 To: Andy Robinson (blackadder-lists)
 Cc: Christoph Böhme; Mike Duffy;
 talk-gb-westmidlands@openstreetmap.org Subject: Re:
 [Talk-gb-westmidlands] Talk-gb-Thursday meet
 
 Hi everyone
 
 I'll tackle slices 1  2 and see you at 8ish
 
 Regards
 
 Brian
 
 
 2009/9/1 Andy Robinson (blackadder-lists) ajrli...@googlemail.com
 
 
  Hope to be there but may have to be in Berlin on Thursday.
  If I
 can't
 make
  it hope you have a good un.
 
  Cheers
 
  Andy
 
 
  -Original Message-
  From: talk-gb-westmidlands-boun...@openstreetmap.org
  [mailto:talk-
 gb-
 
  westmidlands-boun...@openstreetmap.org] On Behalf Of
  Christoph
 Böhme
  Sent: 01 September 2009 10:21 PM
  To: Mike Duffy
  Cc: talk-gb-westmidlands@openstreetmap.org
  Subject: Re: [Talk-gb-westmidlands] Talk-gb-Thursday meet
  
  Mike,
  
  thanks for the suggestions. The Wheatsheaf looks nice and
  very well located with plenty of white space around it. I
  updated the Mappa Mercia page [1] with the details for the
  next social and added a
 cake.
  
  So, the next social will be in the Wheatsheaf in West
  Bromwich on September 3rd at 7pm (mapping) or 8ish (pub).
  
  Cheers,
  Christoph
  
  [1]
 http://wiki.openstreetmap.org/wiki/Mappa_Mercia#Next_Group_Meet-
 ups
  
  
  Mike Duffy mdbg02...@blueyonder.co.uk schrieb:
  
  
   Sorry, none of those pubs suitable, two closed, one with
   no food.
 But
   thirty yards on is the Wheatsheaf, serves hot food till
   eight o
 clock
   Mike Duffy
  
   -Original Message-
   From: talk-gb-westmidlands-boun...@openstreetmap.org
   [mailto:talk-gb-westmidlands-boun...@openstreetmap.org]
   On Behalf
 Of
   talk-gb-westmidlands-requ...@openstreetmap.org
   Sent: 01 September 2009 16:41
   To: talk-gb-westmidlands@openstreetmap.org
   Subject: Talk-gb-westmidlands Digest, Vol 11, Issue 1
  
   Send Talk-gb-westmidlands mailing list submissions to
talk-gb-westmidlands@openstreetmap.org
  
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Re: [Talk-GB] Uk Missing Major Roads.

2009-08-25 Thread Christoph Böhme
Peter Childs pchi...@bcs.org schrieb:

snip
 (Does the Village on the map between Meopham, Sole Street, A2 and
 Southfleet and Sole Street have a name?)

I recently created a map overlay with localities from the National
Public Transport Gazetteer (part of the NaPTAN import). The NPTG data
should have the name of the village. You can find the overlay on:

http://www.mappa-mercia.org/nptg-viewer/

Hope that helps!

Christoph

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Re: [Talk-transit] NPTG locality viewer

2009-08-18 Thread Christoph Böhme
Christoph Böhme christ...@b3e.net schrieb:

 The NPTG viewer and the Novam tools are not working at the moment
 because a server update went wrong. So, don't be surprised when you
 see a 500 - Internal Server Error. I'll try to sort it out tonight.

The NPTG viewer and the Novam tools are working again.

Christoph

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Re: [Talk-transit] NPTG locality viewer

2009-08-17 Thread Christoph Böhme
Ed Loach e...@loach.me.uk schrieb:

  Additionally to the old url the NPTG-Viewer can now be found
  on:
  http://www.mappa-mercia.org/nptg-viewer/
  
  I think the tool is handy to find places which are not yet
  mapped. It
  may also be helpful to spot spelling errors.
  
  There is one issue with genitives being spelled with
  apostrophes in
  NPTG but without in OSM (e.g. Kings Heath in Birmingham).
 
 That's perhaps because Birmingham banning apostrophes is fairly
 recent:
 http://is.gd/2kSAe (story at Metro.co.uk).

Thanks for reminding me of this story. However, I think I never saw
Kings Heath written as King's Heath since I live in Birmingham. But
since both ways of spelling the locations are either correct or in
common use, I am thinking of changing the name matching to ignore
apostrophes for possessive 's.

 In case it helps anyone else, the tool doesn't seem to work for me
 on IE8 but does in Firefox. In both I can zoom in on say central
 Birmingham, but only in Firefox to letters on coloured backgrounds
 appear to allow me to select a locality.

Sorry, I should have mentioned that the viewer is not working with IE8.
I tried to get it to work in IE8 but I gave up after noticing that the
errors are apparently in the prototype and Openlayers libraries. Also,
for some reason the IE8 produces completely different error messages on
different computers. 
If there is some interest in using NPTG viewer on IE8 I can try fixing
the problems.

Cheers,
Christoph 

 I note around here that where a Parish is named after the village,
 the Nptg LocalityName seems to be located near the OSM
 village-of-the-same-name node, rather than where the parish name
 renders in the centre of the admin boundary relation area.
 
 Still working out what I can do with it though.
 
 Ed
 
 
 
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Re: [Talk-transit] pay_scale_area

2009-08-17 Thread Christoph Böhme
Ed Loach e...@loach.me.uk schrieb:

  With specialist data without a physical presence, like PlusBus
  zones,
  my view is that careful thought should be given to whether to
  import
  them into the main OSM database at all, and if they are
  imported they
  should use namespaced tags. 
 
 On the Harwich area I renamed the name= tag to NaPTAN:name=
 yesterday when I was adding a footpath near Little Oakley and spent
 ages trying to work out why the word Harwich was appearing (in
 Mapnik) at an angle to a road about where the footpath was supposed
 to join. Being quite a large area with few nodes the connecting way
 didn't show in Potlatch until I'd panned around enough for one of
 the nodes to come into scope.
 
 So yes, I'd agree that name= should be namespaced, if not more of
 the tags.

Hi

I am the one who prepared the import of the PlusBus zones. When I
decided to use the name tag I was not aware that the mapnik style
renders them unconditionally otherwise I would not have imported the
data without warning.

In my opinion the name tag is used as a general purpose tag in OSM for
names of all sorts of things. So, it appeared quite natural to use it
for recording the names of the plus bus zones as well. From the other
tags renderers can easily guess what type of object the name belongs to
and the decide if it should be displayed. So there is no need to use
namespaced versions of the name tag just to prevent the renderer from
displaying it.

Cheers,
Christoph

 Ed
 
 
 
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Re: [Talk-transit] pay_scale_area

2009-08-17 Thread Christoph Böhme
Frankie Roberto fran...@frankieroberto.com schrieb:

 Dave F wrote:
  My initial response would be to agree with Chris M.  query whether
  it should be included in the main database. It does seem to get in
  the way a bit. However, being a newbie, I'm willing to hear
  arguments for it.
 
 
 I'm not sure about it either. Long-term, it might be better to
 incorporate the information on the bus stop nodes themselves
 (pay_scale_area=XXX perhaps). However, given that'd it'd take a while
 to copy this information over (and it'd be harder to keep it up to
 date), perhaps we're best off just living with the boundary for the
 moment...

The main reason why I imported the Plusbus data was because it was
available as part of the NaPTAN import. But I also think since we add
bus routes to the database it surely makes sense to add geographically
defined pay scale areas. However, if the body of public transport
related data grows further it might make sense in the (far) future to
keep parts of it in a separate database. 

The problem I see with adding the PlusBus zone reference to the bus
stops is that we then need to find a place where to store the other
information about the zones (like name and ref). I considered using a
relation for each PlusBus zone but Thomas told me that this does not
work because there are to many bus stops within the zones.

  I think it's only a matter of time before I come across a POI that
  proudly proclaims - This is the spot where Sandra Hutchinson first
  let me stick my hand up her jumper :-)
 
 
 Heh. Sounds a bit like the geo information which is captured in the
 Open Plaques project (http://www.openplaques.org/) which I run...

Neat! In Birmingham we have started to put the blue plaques in the OSM
database as memorials. 

Cheers,
Christoph

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Re: [Talk-transit] Naptan import

2009-08-07 Thread Christoph Böhme
Peter Miller peter.mil...@itoworld.com schrieb:
 Would it be sensible to create a PlusBus page on the wiki, and link
 to it from the NaPTAN user in relation to the upload? The Wiki page
 can describe what the features are about and can also be used to
 list issues that need to be resolved.
 
 I am not offering to create the page so hopefully someone else will
 do that. (I am doing work on cleaning up other existing transit
 related wiki pages on when I have time).

I am intending to create a page describing the NPTG/Plusbus Zone
import. I just did not get round to do it yet.

Christoph

 
 Regards,
 
 
 
 Peter
 
 
 
  Ed
 
  -Original Message-
  From: talk-transit-boun...@openstreetmap.org [mailto:talk-
  transit-boun...@openstreetmap.org] On Behalf Of Roger Slevin
  Sent: 07 August 2009 09:20
  To: 'Public transport/transit/shared taxi related topics'
  Subject: Re: [Talk-transit] Naptan import
 
  Ed
 
  Useful feedback which I will take up with PlusBus - as they
  should have
  listed coastal boundary stops to avoid this situation.
 
  Best wishes
 
  Roger
 
  -Original Message-
  From: talk-transit-boun...@openstreetmap.org
  [mailto:talk-transit-boun...@openstreetmap.org] On Behalf Of Ed
  Loach
  Sent: 07 August 2009 08:59
  To: talk-transit@openstreetmap.org
  Subject: [Talk-transit] Naptan import
 
  I see some areas have been imported near here,
  public_transport=pay_scale_area, for Harwich and Clacton. Is
  there a wiki
  page somewhere detailing what these are (I'll search after
  sending this)?
 
  In the case of Clacton, it looks like it was defined as a line
  from the
  coast, inland, then back to the coast, so the segment that
  closes the area
  cuts right through the middle of town. Should I adjust this
  segment to
  follow the coastline?
 
  Clacton:
  http://www.openstreetmap.org/browse/way/38387713
 
  Similarly for Harwich, the northeast segment seems to almost
  cross the tip
  of the peninsula, and in so doing cuts off most of Harwich to
  mainly only
  include Dovercourt. Should I amend that segment to include
  Harwich?
 
  Harwich:
  http://www.openstreetmap.org/browse/way/38387691
 
  Thanks
 
  Ed

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Re: [Talk-transit] Is 'Transit' and 'Public Transport' the same thing?

2009-08-07 Thread Christoph Böhme
Peter Miller peter.mil...@itoworld.com schrieb:
 Which leads to a question of terminology...
 
 Is 'transit' a synonym  for 'public transport'? or not. If not then  
 what is the difference?

As a non-native speaker of english I find it easier to guess what
'public transport' means compared to 'transit'. In german 'transit'
usually means passing through something (e.g. when going from the UK
to Germany you transit Belgium and the Netherlands).

Cheers,
Christoph

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Re: [Talk-transit] NaPTAN Import

2009-08-04 Thread Christoph Böhme
Peter Miller peter.mil...@itoworld.com schrieb:

 
 On 1 Aug 2009, at 22:51, Thomas Wood wrote:
snip
  Ooops, I linked the wrong changeset!
  http://api06.dev.openstreetmap.org/browse/changeset/389 was my
  intent.
 
 A couple of comments.
 
 Firstly, the locality field is an important part of the name in  
 NaPTAN. The stop name can be constructed in a number of ways
 depending on how much precision is needed and what the geographic
 context is.
 
 For example, let's take this stop outside a pub called 'The  
 Woodman' (which is in Ashteed).
 http://api06.dev.openstreetmap.org/browse/node/396115
 
 If the context for the enquiry was Ashteed itself, then one could
 say 'The Woodman (Adj)'. If the context was wider and one still
 needed to be precise one would say: 'Ashteed, The Woodman (Adj)'.
 
 Localities themselves are not always unique so there is the  
 possibility for a locality to have a qualifier in NaPTAN. The full  
 description for a bus stop called 'Long Road' in Cambridge in  
 Cambridgeshire (rather than the one in Gloucestershire) would be  
 'Cambridge (Cambs), Long Road (opp)'. If the context was east anglia  
 then one could drop the qualifier and it would become 'Cambridge,
 Long Road (opp)'. If the context was Cambridge itself then one could
 use 'Long Road (opp)'.
 
 So... what to do. I suggest we need a naptan:locality field which  
 should contain the naptan locality name or possibly also  
 naptan:natgazid as a unique reference for the place (to accommodate  
 multiple localities with the same name).
 
 I am not clear what we do, but we need to do something.

To me the functionality of the naptan:locality tag appears to be similar
to the one of the is_in tag on places. With the introduction of
boundaries these tags become less important in my opinion as you can
easily find out the location of a feature by looking in which areas it
is in.

I think, putting the NaPTAN data in OSM is similar to drawing them on a
map: The map (i.e. OSM) provides a rich context from which much
information wich was stored as properties of the bus stops before can
be derived.

Cheers,
Christoph

 
 Regards,
 
 
 
 Peter
 
 
 
 
 
 
 
  We're then ready to begin uploading to the main database.
 
  Cool :-)
 
  Cheers,
  Christoph
 
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  -- 
  Regards,
  Thomas Wood
  (Edgemaster)
 
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Re: [Talk-transit] Naptan import

2009-08-02 Thread Christoph Böhme
Roger Slevin ro...@slevin.plus.com schrieb:

 Plusbus zones are polygons which are unrelated to the road network -
 so for Rye it covers a large polygon defined by straight lines
 linking each pair of adjacent nodes on the source list of defining
 points.  The representation of this along the roads is
 inappropriate - and certainly not how it should be should be shown in
 terms of the zone definition intended.

The representation of the plusbus zones in OSM is still as it should be.
Except for merging duplicate nodes they are the same as defined in the
NPTG data. I just tried to describe why the zone for Rye has such an
unusual shape compared to other zones. I didn't modify it to actually
follow the roads. Sorry for causing confusion!

Christoph

 The Rye example is a particularly extreme example, as there are few
 roads in the area with bus routes - and lots of marshland and open
 countryside covered by the Plusbus zone.
 
 Roger
 
 -Original Message-
 From: talk-transit-boun...@openstreetmap.org
 [mailto:talk-transit-boun...@openstreetmap.org] On Behalf Of
 Christoph Böhme Sent: 02 August 2009 00:24 To: Thomas Wood
 Cc: Public transport/transit/shared taxi related topics
 Subject: Re: [Talk-transit] Naptan import
 
 Thomas Wood grand.edgemas...@gmail.com schrieb:
 
  2009/7/30 Christoph Böhme christ...@b3e.net:
   Thomas Wood grand.edgemas...@gmail.com schrieb:
   2009/7/29 Christoph Böhme christ...@b3e.net:
I transformed the Plusbus Zones into a josm-file (XSLT is
cool :-). Thomas can you import it using the naptan-user if no
one objects to the tagging scheme?
   
http://www.mappa-mercia.org/nptg/plusbuszones.osm.gz
   
Cheers,
Christoph
   
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   That looks fine, the only issue is that none of the polygons are
   closed!
  
   Oh, good that you noticed this. I fixed the file and uploaded it
   again.
  
   Christoph
  
  
  I have run JOSM's validator over it to clean up some duplicate ways,
  and the more obviously incorrect polygon geometries (West Mids had a
  weird doubleback by the look of it) a few have overlapping segments,
  but I've chosen to ignore their 'errorness'.
  
  http://www.openstreetmap.org/browse/changeset/2008301
 
 Good idea to use JOSM's validator, I should have done it myself ...
 
 The incorrect geometries are converted directly from the NPTG data.
 Some of the polygons there have duplicate nodes. Removing the
 duplicate nodes was a sensible choice, I think. I had a look at the
 very distorted Plusbus Zone for Rye. Its strange shape seems to stem
 from the fact that it simple spans four villages and follows the road
 between them. I think there are similar reasons for the other errors.
 
 Thank you checking and importing the changeset!
 
 Christoph
 
  -- 
  Regards,
  Thomas Wood
  (Edgemaster)
 
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Re: [Talk-transit] NaPTAN Import

2009-08-01 Thread Christoph Böhme
Thomas Wood grand.edgemas...@gmail.com schrieb:

 I think all outstanding coding issues have now been dealt with.
 There's one minor tagging issue to address - should the source tag be
 on the data or changesets.

Since the source tag applies to the whole changeset it makes sense to
tag only the changeset. However, I believe editors do not display
changeset tags at the moment. This means changeset tags are basically
not visible when you edit data. While it can be handy to see the source
of an element when you edit it (e.g. I'm much less relucant to move
NPE-sourced data if it does not fit with my tracks than surveyed data)
this should not be a problem with the naptan-import. The naptan:-tags
are a very obvious hint where the data is coming from.

So, I'd vote for placing the source-tag at the changeset.

 Otherwise, a test upload of the Surrey data is visible here -
 http://api06.dev.openstreetmap.org/browse/changeset/394
 Comments welcomed.

Could it be that the tags are missing? All the nodes I have looked at
are empty (http://api06.dev.openstreetmap.org/browse/node/416977, for
example)

 We're then ready to begin uploading to the main database.

Cool :-)

Cheers,
Christoph

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Re: [Talk-transit] NaPTAN Import

2009-08-01 Thread Christoph Böhme
Thomas Wood grand.edgemas...@gmail.com schrieb:

 2009/8/1 Christoph Böhme christ...@b3e.net:
  Thomas Wood grand.edgemas...@gmail.com schrieb:
  Otherwise, a test upload of the Surrey data is visible here -
  http://api06.dev.openstreetmap.org/browse/changeset/394
  Comments welcomed.
 
  Could it be that the tags are missing? All the nodes I have looked
  at are empty
  (http://api06.dev.openstreetmap.org/browse/node/416977, for example)
 
 Ooops, I linked the wrong changeset!
 http://api06.dev.openstreetmap.org/browse/changeset/389 was my intent.

That looks much better :-) I noticed that the bus stops are all tagged
with highway=bus_stop. Is this intentional? I thought this should
depend on what people wished for their local area.

Cheers,
Christoph

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Re: [Talk-transit] Naptan import

2009-08-01 Thread Christoph Böhme
Thomas Wood grand.edgemas...@gmail.com schrieb:

 2009/7/30 Christoph Böhme christ...@b3e.net:
  Thomas Wood grand.edgemas...@gmail.com schrieb:
  2009/7/29 Christoph Böhme christ...@b3e.net:
   I transformed the Plusbus Zones into a josm-file (XSLT is
   cool :-). Thomas can you import it using the naptan-user if no
   one objects to the tagging scheme?
  
   http://www.mappa-mercia.org/nptg/plusbuszones.osm.gz
  
   Cheers,
   Christoph
  
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  That looks fine, the only issue is that none of the polygons are
  closed!
 
  Oh, good that you noticed this. I fixed the file and uploaded it
  again.
 
  Christoph
 
 
 I have run JOSM's validator over it to clean up some duplicate ways,
 and the more obviously incorrect polygon geometries (West Mids had a
 weird doubleback by the look of it) a few have overlapping segments,
 but I've chosen to ignore their 'errorness'.
 
 http://www.openstreetmap.org/browse/changeset/2008301

Good idea to use JOSM's validator, I should have done it myself ...

The incorrect geometries are converted directly from the NPTG data.
Some of the polygons there have duplicate nodes. Removing the
duplicate nodes was a sensible choice, I think. I had a look at the
very distorted Plusbus Zone for Rye. Its strange shape seems to stem
from the fact that it simple spans four villages and follows the road
between them. I think there are similar reasons for the other errors.

Thank you checking and importing the changeset!

Christoph

 -- 
 Regards,
 Thomas Wood
 (Edgemaster)

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Re: [Talk-transit] Naptan import

2009-07-29 Thread Christoph Böhme
Roger Slevin ro...@slevin.plus.com schrieb:

 Christoph
 
 Sorry - I now realise I shouldn't have referred to inactive
 localities ... this is something I can see on the editor system for
 NPTG, but the export only shows the active localities ... the records
 of the inactive ones are not included in the standard XML file.  I
 would need to check whether it is possible to get an extract from
 NPTG which includes inactive records (or only comprises the inactive
 ones) - but that is a question I will only ask if someone can suggest
 that some useful purpose could be served by having access to that
 data.

The only reason for using the inactive data I can see is a comparison
with OSM-only places. This could indicate NPTG places which might have
been deactivated because they are not part of the public transport
network. Unless we want to add data from NPTG to existing OSM stops
(e.g. the locality code) this information is probably more relevant to
the DoT than OSM.

However, since places in OSM might be derived from NPE maps, OSM-only
places could also mean that the locality has been abandoned in the time
since 1950. Your brief history of NPTG indicates to me that the data is
probably much more recent then NPE's 1950 data. It might therefore be
interesting to know which places are only in OSM and not even in the
inactive NPTG data. Such places have then probably been abandoned a
long time ago.

Christoph

 Roger
 
 -Original Message-
 From: Christoph Böhme [mailto:christ...@b3e.net] 
 Sent: 28 July 2009 22:54
 To: ro...@slevin.plus.com; Public transport/transit/shared taxi
 related topics
 Cc: ro...@slevin.plus.com; 'Peter Miller'
 Subject: Re: [Talk-transit] Naptan import
 
 Roger,
 
 thank you for your explanations.
 
 Roger Slevin ro...@slevin.plus.com schrieb:
 
   Although NPTG was originally for public transport purposes, we
  stressed at all times that a locality should be listed even if it
  has no public transport - but we know that some local editors have
  probably erred towards marking some unserved rural hamlets as
  inactive. 
  
  All inactive localities should still be in the data - so hamlets
  which are missing may be in NPTG, but marked as inactive.  
 
 What would an inactive entry look like in the data? The xml schema
 does not seem to define any elements/attributes for inactive entries.
 
  However they may simply never have been in the source data - and no
  one to date has recognised the need to add them to NPTG.  It would
  be interesting to see what localities OSM holds in its data which
  are not included in NPTG (as well as the reverse of this) if that is
  possible.
 
 I created two tables of OSM- and NTPG-only places:
 
 http://www.mappa-mercia.org/nptg/nptg-only-localities.csv.gz
 http://www.mappa-mercia.org/nptg/osm-only-localities.csv.gz
 
 I considered a place to be only in one dataset if no place from the
 other dataset exists in its proximity which has the same name.
 Proximity was defined as an euclidian distance less than 0.3 between
 the lat/lon positions of the places (I don't know how this relates to
 kilometres/miles). Since the OSM data contains some nodes with
 place-tags that have nothing with actual places, I only included nodes
 with a place-value of either locality, island, suburb, hamlet,
 village, municipality, town or city. I also excluded place=farm.
 
   Christoph
 

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Re: [Talk-transit] Naptan import

2009-07-29 Thread Christoph Böhme
Peter Miller peter.mil...@itoworld.com schrieb:

 On 27 Jul 2009, at 22:14, Christoph Böhme wrote:
 
  Hi
 
  Roger Slevin ro...@slevin.plus.com schrieb:
 
  Locality Classification was added as a possible nice to have to
  the version 2 schema but it has not been populated, and no
  guidance has been created to indicate how this field should be
  used (save for a table of permitted values).  There is no
  classification data in NPTG other than that which comes from the
  source - and that is only there because it could be ... I would
  not recommend its use as it is flaky, and offers nothing in
  respect of newly created locality entries in the Gazetteer.
 
  So, it looks like we will not have any classification information.
  Unless we just want to import the plain names this will complicate
  the import a bit as we have to somehow map the locations to OSM
  place- types.
  At the moment I am having three ideas how we could do this:
 
  Based on the parent relationship we could guess if a location might
  be a suburb or village.
 
  Many places have wikipedia entries (even villages). If we can manage
  to automatically look the entries up and extract the relevant
  information (population size) from the info box we could probably
  classify a lot of places.
 
  The landsat data might give us some hints about the size of places.
  We just need to find a way to retrieve this information
  automatically :-)
 
  Alternatively we could just invent a value for unclassified places
  and wait for people to classify the places.
 
 
 It seems that the NPTG data is less useful than it could have been  
 because the the lack of classification data. We do of course also
 have access to locality names from other sources including NPE maps
 for places that are more than 50 years old and our eye-balls.

Despite the lack of classification the NPTG data can still easily be
matched with the data already in OSM. So, while not being able to
import the whole dataset we could still add some data to existing
places if we want. The NPTG has the following to offer:

- Administrative Area
- Atco Area Code 
- NPTG District in parts of the county (do these districts have any
  relation with ceremonial/administrative counties?)
- NPTG locality reference
- Alternative names (e.g. welsh names)
- Short names
- Qualifiers for duplicate names

Do you think we should import any of this? Especially when taking 
the NaPTAN import into acconut the Atco Area Code or NPTG locality
references might become handy, I reckon.

Talking of the NaPTAN import: The NPTG data also contains polygons for
the Plusbus Zones. This data is self-contained and can easily be
imported. They could be either imported as ways tagged with their zone
code and their name or we could create an additional relation that
holds all the bus stops which are part of the zone as well. The latter
would, of course, only be necessary if there are bus stops within the
polygon which are not part of the zone or vice versa.

 Possibly we just provide NPTG data as a useful 'free' data overlay
 for creating localities in OSM in association with data from NPE but
 don't spend too long trying to do an automatic import of that data.

I am of the same opinion. Most of the missing places in OSM are small
hamlets, villages and suburbs and it is going to be really difficult to
automatically distinguish these automatically. So, I will rather improve
the NPTG viewer a bit so that it does not display NPTG places which are
already in OSM anymore. This tool can then be used as a guide to find
umapped places.

 You mention matching localities up with Wikipedia. I see no
 licensing issues with using data from Wikipieda as far as I am aware
 btw. Would be great to tie places up with Wikipedia and possibly also
 with woeids (http://developer.yahoo.com/geo/geoplanet/) but that
 could be something for later.

We should keep this in mind. Although, I am not sure if it makes much
sense to add tags to OSM in a completely automated process as this
information can easily be applied when its needed.

Cheers,
Christoph
 
 
 
 Regards,
 
 
 
 Peter
 
 
 
 
  Do you have any other ideas?
 
  Cheers,
  Christoph
 
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Re: [Talk-transit] Naptan import

2009-07-29 Thread Christoph Böhme
Christoph Böhme christ...@b3e.net schrieb:
 Thomas Wood grand.edgemas...@gmail.com schrieb:
  2009/7/29 Christoph Böhme christ...@b3e.net:
   Talking of the NaPTAN import: The NPTG data also contains polygons
   for the Plusbus Zones. This data is self-contained and can easily
   be imported. They could be either imported as ways tagged with
   their zone code and their name or we could create an additional
   relation that holds all the bus stops which are part of the zone
   as well. The latter would, of course, only be necessary if there
   are bus stops within the polygon which are not part of the zone
   or vice versa.
  
  I tried to create a relation for plusbus zone stops from the NaPTAN
  data but there were simply too many - we quickly hit the OSM
  relation member maximum.
 
 Okay, that answers the question. I simple create a polygon then. I
 suggest the following tagging scheme for the ways:
 
 public_transport=pay_scale_area
 ref=Plusbus zone ref
 name=Plusbus zone name
 
 Is pay scale area the correct general name for things like the plusbus
 zones?

I transformed the Plusbus Zones into a josm-file (XSLT is cool :-).
Thomas can you import it using the naptan-user if no one objects to the
tagging scheme? 

http://www.mappa-mercia.org/nptg/plusbuszones.osm.gz

Cheers,
Christoph

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Re: [Talk-transit] Naptan import

2009-07-29 Thread Christoph Böhme
Thomas Wood grand.edgemas...@gmail.com schrieb:
 2009/7/29 Christoph Böhme christ...@b3e.net:
  I transformed the Plusbus Zones into a josm-file (XSLT is cool :-).
  Thomas can you import it using the naptan-user if no one objects to
  the tagging scheme?
 
  http://www.mappa-mercia.org/nptg/plusbuszones.osm.gz
 
  Cheers,
  Christoph
 
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 That looks fine, the only issue is that none of the polygons are
 closed!

Oh, good that you noticed this. I fixed the file and uploaded it again.

Christoph

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Re: [Talk-GB] Red Routes

2009-07-29 Thread Christoph Böhme
Hi,

Shaun McDonald sh...@shaunmcdonald.me.uk schrieb:
 
 On 29 Jul 2009, at 16:26, Brian Prangle wrote:
 
  Finally decided to map red routes after avoiding it for over a
  year (red routes are sprouting up rapidly  in South Birmingham
  despite fierce oppostion from local traders - they're no stopping
  routes which are rigidly enforced). There's not much to guide me as
  a mapper following a quick search in the usual places - so can the  
  community offer some thoughts so we can get a consensus and a
  common approach for those few of us  who have to contend with them?
  The following initial offering is from our local tagging guru Andy  
  Robinson (who else?)
 
   If  it's a red route I'd suggest red_route=yes on it since the  
  regulations
  applicable to a red route don't fit easily into any one category.  
  However
  since there aren't many places with Red Routes yet (only London
  [1] and West
  Mids [2] in the UK?) we could have a stab with the London folks on  
  how they
  should be mapped better than this. Bus lanes could very much fall  
  into the
  thoughts as well as Urban Clearways.
 
 Edinburgh had decided to be different and call these roads
 greenways. (I think the idea was to have a positive spin on the fact
 that green transport can use it rather than it being a place that
 you can't go by denoting them red.)
 http://www.edinburgh.gov.uk/CEC/CityDevelopment/TransportandTravel/Parking/GreenwaysandBusLanes/Greenways_And_Bus_Lanes.html

In Germany it is relatively common to have bus lanes which also allow
taxis and cyclists to travel on them. Green Routes seem to be a very
similar concept. So perhaps it makes sense to build a tagging scheme
based on bus lanes as busses seem to be the main reason for the
introduction of the lanes and add additional allowed vecicles. 

I do not know if Green Routes is just another name for Red Routes. The
Red Routes seem to put a much greater emphasis on the fact that you are
not allowed to stop there.

Christoph

 Shaun
 
 
  These are all some sort of restriction so maybe that tagging  
  approach
  should be considered.
 
  For times, the start / end type tags should be good enough, though  
  it gets
  more complicated if you have to also add a tag that stats which
  days it
  applies to and when there is more than one time period of
  operation in a
  given day.  For example the Stratford Road  Red Route operates
  M-S 7am-7pm
 
  [1] http://www.tfl.gov.uk/roadusers/finesandregulations/949.aspx
  [2] http://www.westmidlandsltp.gov.uk/redroutes.php?id=2493
 
  Bus Lanes are yet another headache!
 
  Regards
 
  Brian
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Re: [Talk-transit] Naptan import

2009-07-28 Thread Christoph Böhme
Roger,

thank you for your explanations.

Roger Slevin ro...@slevin.plus.com schrieb:

  Although NPTG was originally for public transport purposes, we
 stressed at all times that a locality should be listed even if it has
 no public transport - but we know that some local editors have
 probably erred towards marking some unserved rural hamlets as
 inactive. 
 
 All inactive localities should still be in the data - so hamlets
 which are missing may be in NPTG, but marked as inactive.  

What would an inactive entry look like in the data? The xml schema does
not seem to define any elements/attributes for inactive entries.

 However they may simply never have been in the source data - and no
 one to date has recognised the need to add them to NPTG.  It would be
 interesting to see what localities OSM holds in its data which are
 not included in NPTG (as well as the reverse of this) if that is
 possible.

I created two tables of OSM- and NTPG-only places:

http://www.mappa-mercia.org/nptg/nptg-only-localities.csv.gz
http://www.mappa-mercia.org/nptg/osm-only-localities.csv.gz

I considered a place to be only in one dataset if no place from the
other dataset exists in its proximity which has the same name.
Proximity was defined as an euclidian distance less than 0.3 between
the lat/lon positions of the places (I don't know how this relates to
kilometres/miles). Since the OSM data contains some nodes with
place-tags that have nothing with actual places, I only included nodes
with a place-value of either locality, island, suburb, hamlet, village,
municipality, town or city. I also excluded place=farm.

Christoph

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Re: [OSM-talk] [talk-au] maxheight/height

2009-07-28 Thread Christoph Böhme
Roy Wallace waldo000...@gmail.com schrieb:

 On Tue, Jul 28, 2009 at 11:04 AM, Ross Scanloni...@4x4falcon.com
 wrote:
  Does this mean the bridge has a clearance of 2.8 or the road under
  the bridge has a clearance of 2.8.  To me this would suggest the
  bridge has a limit of 2.8 ie vehicles travelling over the bridge
  can not be above 2.8 high.
 
  I'd suggest that if the bridge has a height limit, ie clearance,
  then the bridge is tagged with max_height.
 
  If the road under the bridge has a height limit, ie clearance, then
  the road is tagged.
 
 Sorry, maybe this is a language issue. In my mind, height limit of a
 way refers to maximum height *above* the way, whereas clearance of a
 way infers maximum height *under* the way. Maybe clearance isn't the
 best word for this - please suggest others.

According to Wikipedia clearance [1] is the free space between a
vehicle and the structure (i.e. bridge) it is passing through. The
maximum height (and width) of the vehicle is -- at least for railways --
called loading gauge [2] while the dimensions of the structure are
called structure gauge [3]. Thus, what we find on signs is the loading
gauge.

Christoph

[1] http://en.wikipedia.org/wiki/Clearance
[2] http://en.wikipedia.org/wiki/Loading_gauge
[3] http://en.wikipedia.org/wiki/Structure_gauge

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Re: [OSM-talk] is_in and similar tags

2009-07-28 Thread Christoph Böhme
OJ W ojwli...@googlemail.com schrieb:
 Could someone[1] setup a web-service where you send it a lat/lon and
 it returns a list of all boundaries that point is within?  So just one
 website imports the boundary data instead of everyone having to know
 how to do the 'is within' search[2].

I think you might be able to do this with
http://wiki.openstreetmap.org/wiki/OSM_Server_Side_Script

Cheers,
Christoph

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Re: [Talk-transit] Naptan import

2009-07-27 Thread Christoph Böhme
Good evening,

Peter Miller peter.mil...@itoworld.com schrieb:
 On 26 Jul 2009, at 22:14, Christoph Böhme wrote:
  I also created a copy of the NOVAM viewer and changed it to display
  NTPG data instead of bus stops:
 
  http://www.mappa-mercia.org/cgi-bin/nptg.wsgi/viewer.html
 
 Great stuff, and clearly there are many additional place-names in
 NPTG that are not in OSM a present in many parts of the county. I
 checked North Norfolk and bits of Scotland and there are a good
 number of additional places.

I have now also added all nodes with place=* tags from OSM. The NPTG
import will really add a lot of additional places! OSM has only 25397
places in the UK at the moment. However, I was a bit suprised to see
some hamlets in the OSM data which are not in the NPTG data. Do you
know of any gaps in the NPTG data?

 The LocalityClassification field should be more useful and should  
 contain city, town, village, hamlet, suburb, urbancentre, place of  
 interest, other, or unrecorded. I am not sure how well this field is  
 populated - possibly it is not well populated at all. UrbanCentre
 can possibly be ignored.  

The LocalityClassification tag is used 856 times in the dataset. That is
about 2% of all localities.

 The field may be well populated in some parts of the country and not
 in other. I am not sure how much NPTG is used for Points of Interest.
 There is a POI model in NPTG but possibly we treat this separately or
 not at all or import the data as invisible to start with. My main
 interest is the locality names and the main technical job will
 probably be to spot duplicates with what is in OSM already.

Finding duplicates should not be too difficult. We basically just need
to check for each imported location if there are any places with the
same name within a reasonable distance. Except for typos and different
spellings that should work very well. The positions of locations in
both datasets also match nicely which should make it even easier to
find duplicates.

 Would it be worth creating a NPTG Import wiki page and an NPTG
 Import user to do the actual import - ie, keep the documentation and
 audit trail for the two imports separate?

I am in favour of keeping them separate. Both datasets are fairly
independent and we will probably use different methods to import them.
Having everything on one wiki page will be confusing to users, who might
be interested only in one of the imports.

Cheers,
Christoph

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Re: [Talk-transit] Naptan import

2009-07-27 Thread Christoph Böhme
Hi

Roger Slevin ro...@slevin.plus.com schrieb:

 Locality Classification was added as a possible nice to have to the
 version 2 schema but it has not been populated, and no guidance has
 been created to indicate how this field should be used (save for a
 table of permitted values).  There is no classification data in NPTG
 other than that which comes from the source - and that is only there
 because it could be ... I would not recommend its use as it is flaky,
 and offers nothing in respect of newly created locality entries in
 the Gazetteer.

So, it looks like we will not have any classification information.
Unless we just want to import the plain names this will complicate the
import a bit as we have to somehow map the locations to OSM place-types.
At the moment I am having three ideas how we could do this:

Based on the parent relationship we could guess if a location might
be a suburb or village.

Many places have wikipedia entries (even villages). If we can manage
to automatically look the entries up and extract the relevant
information (population size) from the info box we could probably
classify a lot of places.

The landsat data might give us some hints about the size of places. We
just need to find a way to retrieve this information automatically :-)

Alternatively we could just invent a value for unclassified places and
wait for people to classify the places.

Do you have any other ideas?

Cheers,
Christoph

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Re: [Talk-transit] Naptan import

2009-07-26 Thread Christoph Böhme
Hi

Peter Miller peter.mil...@itoworld.com schrieb:
 I am also aware that there is a 50K place gazetteer sitting there  
 untouched - last week I was adding villages in Norfolk by hand and
 the data is sitting available in NPTG.

I taught myself XSLT at the weekend and played a bit with the NPTG
data. On http://www.mappa-mercia.org/nptg/ you can find some html-pages
which show the hierarchies of and adjacencies between the localities in
the NTPG data. 

I also created a copy of the NOVAM viewer and changed it to display
NTPG data instead of bus stops:

http://www.mappa-mercia.org/cgi-bin/nptg.wsgi/viewer.html

I have not changed any of the texts/images yet, so the localities will
be displayed as bus stops :-). I will try to import an excerpt of place
names from OSM tomorrow so that we can compare both data sets.

From what I have seen so far an import should not be too difficult. The
only difficulties I expect are the hierarchies and the classification
of the localities.
 
Does anyone know the current way to tag hierarchies of places? I had a
look at the wiki and there seem to be two approaches: is_in and
relations. With the addition of actual borders there is also the
possibility of defining hierarchies purely geometrical.

The location classifications in the NPTG seem to be relatively coarse.
Everything below a parish is either a New Entry (Add) or a Locality.
We need to see how this can be mapped to POI types in OSM.

 Do you need help with the NaPTAN import or are you just about ready
 to do the work? Do we need to set up a wiki page where people can
 request imports for their authority or are we going to do it without
 that?

I am happy to continue working on the NPTG import if Thomas does not
mind.

Christoph

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Re: [OSM-talk] The future of bugs in OSM

2009-07-02 Thread Christoph Böhme
SteveC wrote:
 On 1 Jul 2009, at 19:58, Frederik Ramm wrote:

 Hi,
 SteveC wrote:
 But, and this is key, it also has a RESTful API for mass uploading  
of  bugs.
 We need to do two things - unify the various bug systems and   expose 
more of the bugs.
 I believe that the types of bugs one can look for are quite
 different. You'd have to build a very good system if it is to be   able
to capture all kinds of bugs - don't think that simply having  
something like lat/lon/text is enough, because some bugs might be  
relevant for a whole area, or you might have a two nearby streets  
share the same name bug which points to two ways rather than one  
location, etc etc

 How about we borrow tags from OSM? Bugs have lat,lng,text and keyvals?  
What you think?
 They main thing I want to say though - is lets just build something  
simple and iterate. Absolutle minimum feature set is a RESTful API  
plus a OSB-like interface.

After the last discussion about an improved OSB, I had a go at building a
system that had tags, file uploads and could also handle different 
geometries of errors (basically a Swiss Army knife for osm metadata). This
system never reached a point were it became  usable. However, I learned a
couple of things while programming it:

For bug-*tracking* you need to have a history of changes made to a bug. 
While for some tags only the current value is relevant (e.g. a status tag)
for others each version of the tag is important (e.g. if comments are
implemented with tags). Since the server is agnostic about the meaning of
tags all semantic knowledge need to be implemented in the clients. This
makes client implementations quite complex. Also searching for bugs
becomes a task of its own as you need something like XAPI or O3S to build
queries unless you want to filter the bugs on the client-side.

I also realised during the develeopment that tags are a concept which is
very similar to the fields/columns in a database. Their advantage over
fields is that each object can have a different set of tags and that the
database does not need to be changed to add new tags. The disadvantage is
that the database has no knowledge on how to handle the data and that
clients cannot make many assumptions about the data that is available for
an object.

In the osm database the flexibility offered by tags is need because every
mapper needs to add new types of objects and tags quite regularly. However
IMHO the situation is a bit different in a bug tracker: First, the range
of different object types is much smaller as bugs are not that different
from each other. Second, the server needs to know about the information it
holds in order to search it properly. And third, users are probably not
going to manually add tags to bugs, only developers of bug tracking
application might want to add additional information to a bug.

To conclude: IMO tags can be a nice add-on to allow applications to
provide additional data for a bug the basic stuff should be managed in a
normal database in order to allow easy client implementations. After all
its just a bug tracker which should people tell where the OSM data needs
improvements. If you want to do something completely different you can
always set-up a database and build another tool. And this might be easier
in the end than using an extremely flexible bug tracker.

I might not be seeing the bigger picture here, but my experiences with my
bug tracker idea led me to the conclusion that a restricted tool might
do a better job than something very flexible.

Cheers,
Christoph


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Re: [Talk-transit] West Mids Bus Routes

2009-07-01 Thread Christoph Böhme
Melchior Moos melchiorm...@gmail.com schrieb:

 Hi,
 
 Bus routes are appearing nicely now on:
 
  http://www.mappa-mercia.org/public-transport-map.shtml
 
 
  Wow! I'm jealous. I'd love to have something like this for
  Manchester. Here, the bus routes are so maddeningly confusing
  (multiple operators with different fare structures, and routes that
  seem to change monthly) that this kind of map would be really
  useful.
 
  I'm not even going to begin to attempt to map the bus routes though
  (although I might do the 3 free inner-city bus routes).
 
 
 I would encourage you to map these routes. Someone needs to do the
 first step and I think there will be someone who continues your work
 if he sees the results or the objects in the database. The map
 available for the whole europe, so you will se the results in the
 same way as in Birmingham:
 http://www.xn--pnvkarte-m4a.de/?zoom=13lat=53.48074lon=-2.24051
 regards, Melchior

Yes, Melchior deserves the kudos for making the public transport map! We
merely display his great map on Mappa Mercia. 

Christoph

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Re: [OSM-talk] Thousands of small changesets by Tim Proegler

2009-06-24 Thread Christoph Böhme
Thomas Wood grand.edgemas...@gmail.com schrieb:

 Can we ban it, the stuff its uploading is completely useless. 
 (single nodes with only note tags and no other useful metadata)

All the nodes I have looked at are for german petrol stations. The
script does not seem to check if the station has already been mapped
and only setting the note tag is really not much help in sorting this
out later.

I am also wondering were the data is coming from. 1753 petrol stations
covering an area of 5x5 degrees are quite a lot, I think.

Christoph

 
 2009/6/24 Shaun McDonald sh...@shaunmcdonald.me.uk:
  http://www.mchme.com/#openstreetmap looks like the software they've
  used. 1753 changesets in less than 20 minutes.
  Shaun
  On 24 Jun 2009, at 17:58, S Knox wrote:
 
  Does anyone know why Tim
  Proegler http://www.openstreetmap.org/user/timproegler/edits has
  made so many small edits under the name of KMLManager in such a
  short space of time (1 day as a member)? The recent changes page
  was at one point full of his changesets. Is this legitimate, or a
  mistake?
 
  Regards
  Steve
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 -- 
 Regards,
 Thomas Wood
 (Edgemaster)
 
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[Talk-gb-westmidlands] mappa mercia website updated

2009-06-17 Thread Christoph Böhme
Hi all,

I updated the mappa mercia website [1]. The main change is the
addition of the cycling map and the public transport map. Both can be
found when clicking on The Maps entry in the menu bar. If you like to
see any other maps on the site please tell me. They can be easily added.
I think a map with historic POIs (blue plaques etc) would be nice, for
example.

I am also not so happy with the texts in the side bar of the map pages.
Perhaps someone can write something better.

The current version does not support Internet Explorer 6 anymore. After
adding submenus to the menubar it stopped displaying the site nicely.
Since I do not quite see the reason for spending hours trying to fix
this only because one or two visitors might still use Internet Explorer
6, I added a message instead which explains why mappa mercia looks ugly
in their browser :-)

So, and now I think we should get more bus routes mapped ...

Cheers,
Christoph

[1] http://www.mappa-mercia.org/

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Re: [OSM-talk] Crossings of a road

2009-06-12 Thread Christoph Böhme
Shaun McDonald sh...@shaunmcdonald.me.uk schrieb:

 On 12 Jun 2009, at 14:44, Ed Avis wrote:
  Here the major road is a dual carriageway with a fence in the  
  middle, so
  pedestrians cannot cross:
 
  http://www.openstreetmap.org/?lat=51.490971lon=-0.234075zoom=18layers=B000FTF
 
  There are subways which I have mapped as level=-1 paths crossing
  the road.  But
  then this path is unconnected to anything else on the map.  I want  
  to express
  that you can walk along one side of the road, then use the subway
  to get to the
  other side.
 
 You could place a footway parallel to the road and map in higher
 than normal.

I often map the pavement/sidewalk separately from the main road when
there they are separated from it by a stripe of grass, trees or hedges.
However, while this allows for a quite detailed mapping of footpaths,
it does not look very nice on the map as you end up with many dashed
red lines parallel to each road:

http://www.openstreetmap.org/?lat=52.4265lon=-1.94337zoom=16layers=B000FTF

I am thinking of tagging these footways as highway=pavement/sidewalk
(whatever is not ambiguous) so that renderers can distinguish them from
normal footways which are not part of a bigger road. This would allow
to only show them in very high zoom levels and also to display them in
less catching colours.

 Or bring the footway out to the end of the tunnel, roughly like so:
   |   |
 -|--|-
 \|   |/
   |   |
   |   |

Here is an example of what this solution would look like on the map:
http://www.openstreetmap.org/?lat=52.47213lon=-1.920605zoom=18layers=B000FTF

Cheers,
Christoph

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Re: [OSM-talk] Crossings of a road

2009-06-12 Thread Christoph Böhme
andrzej zaborowski balr...@gmail.com schrieb:
 2009/6/12 Christoph Böhme christ...@b3e.net:
  Shaun McDonald sh...@shaunmcdonald.me.uk schrieb:
  You could place a footway parallel to the road and map in higher
  than normal.
 
  I often map the pavement/sidewalk separately from the main road when
  there they are separated from it by a stripe of grass, trees or
  hedges. However, while this allows for a quite detailed mapping of
  footpaths, it does not look very nice on the map as you end up with
  many dashed red lines parallel to each road:
 
  http://www.openstreetmap.org/?lat=52.4265lon=-1.94337zoom=16layers=B000FTF
 
 I think this looks fine and is also faithful to the reality, even if
 the pavement is not physically separate from the road, logically it is
 a different route.

Hmm, I do not really like the looks of it, but that's prorably in the
eye of the beholder. I think there is no point in arguing about it.

  I am thinking of tagging these footways as highway=pavement/sidewalk
  (whatever is not ambiguous) so that renderers can distinguish them
  from normal footways which are not part of a bigger road. This
  would allow to only show them in very high zoom levels and also to
  display them in less catching colours.
 
 This loses the information of which side the sidewalk is and that may
 be important for routing.

No, I do not want to change anything else apart from setting the
highway-tag to sidewalk instead of footway. They are still separate
ways like I have drawn them. I only thought of tagging them differently
from footways to indicate that the are logically linked with a nearby
road. 

However, writing logically linked just rings the relation-bell
in my head and it seems that there are already relations for this kind
of problem :-)

Cheers,
Christoph

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Re: [Talk-ca] [OSM-talk] Bicycle boulevards

2009-06-11 Thread Christoph Böhme
Mario Salvini salv...@t-online.de schrieb:

 Heiko Jacobs schrieb:
  In gmane.comp.gis.openstreetmap Christoph Boehme
  christ...@b3e.net wrote: 
  In Germany bicycle boulevards and normal cycle ways are different
  types of roads with different rules applying to them. Bicycle
  boulevards also tend to look more like proper roads than cycle
  ways. For example 
 
  Indeed

 not really. only the explicit allowance to drive next to each other  
 instead of just inline. the rest is exact the same as on normal
 cycleways.

.. and it requires cyclists and all other allowed vehicles to only
drive at moderate speeds (mäßige Geschwindigkeit, 25-30km/h).
IMHO this does not apply to normal cycleways.
 
Christoph

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Re: [OSM-talk] Is 'name' tag mandatory for a 'living_street'?

2009-06-06 Thread Christoph Böhme
Hi Sergey,

in Germany a living_street is a designated type of street with a
special sign [1]. So, I would only use living_street for this type of
streets. I usually tag alleys either as service or if they are in a
very bad condition as track. 

Perhaps it would make sense to introduce highway=alley?

cheers,
Christoph

[1] http://upload.wikimedia.org/wikipedia/commons/7/7b/Zeichen_325.svg

USHAKOV, Sergey usha...@int.com.ru schrieb:

 Hi,
 
 the wiki page
 http://wiki.openstreetmap.org/wiki/Tag:highway%3Dliving_street
 suggests that 'living_street' objects should be attributed with a
 'name' tag. Meanwhile it is not uncommon for residential areas to
 have unnamed alleys inside, and the latter may form a complicated
 network that deserves being documented and rendered on the map.
 
 Is it appropriate/advisable to use 'living_street' objects for these
 unnamed alleys? Another candidate might be 'service', but to my mind
 'service' is not good as does not reflect pedestrians' priority...
 
 Regards,
 Sergey 
 
 
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[Talk-gb-westmidlands] Micro-Mapping on Thursday

2009-06-02 Thread Christoph Böhme
Hi everyone,

are there any plans for the Birmingham social on Thursday yet?  

I am wondering if we should continue with the address mapping.  I find
it quite difficult and slightly demotivating to do in the city centre
and it might put off newcomers quickly.  I am also unsure how helpful a
patchy address coverage actually is.  Finally, I think address mapping
might get much easier if we had arial imagery so that we could (at
least roughly) outline the plots before collecting addresses.

What do you think? Has anyone any other suggestions what we could map?

Cheers,
Christoph

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Re: [OSM-talk] announcing new OSB service

2009-05-11 Thread Christoph Böhme
Mitja Kleider mi...@mitjakleider.de schrieb:
 I hope that this patch will be applied soon. Xavier was afraid of
 Javascript slowness now where each request returns 100 bugs. Can
 anyone confirm that this is a problem? This number could still be
 changed.

I just had a look at the application I am developing at the moment. 
It holds 400+ features in an array and displays about 100+ of them on
the map at a time. It uses a vector layer to display features but an
earlier version used a marker layer to display almost the same data
and I had no performance issues with this. So, I think the numbers
should be comparable. 

Christoph

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Re: [Talk-gb-westmidlands] Can someone just check

2009-05-02 Thread Christoph Böhme
Hi Gareth,

welcome aboard!

Gareth Walker subscr...@illmann-walker.com schrieb:
 I had a little go at doing some mapping of Willenhall town centre. I 
 still have to work out alleyways and add on other streets I did.

I usually tag alleyways either as tracks or as service-ways depending
what they look like.

 I wondered if anyone can have a quick look and see if I've done it
 right so I don't start with bad practice.

It looks very nice. Good work! I only have two comments:

You seem to use highway=tertiary (the yellow roads) quite a lot. It
might make sense to use highway=unclassified for some of these roads.
Just have a look at what other town centres look like.

Wolverhampton Road seems to be almost straight. In such cases there is
no need to add lots of additional nodes along the way (unless there are
junctions, of course). Just put one node at the beginning and one at
the end.
When collecting traces on foot the gps trace is often a bit jittery
which can make it difficult to see if the road is straight. But if you
remember that the road was straight then you can just draw it as a
straight line.

 I've gone through a lot of the videos and tutorials but the one thing
 I haven't been able to work out is how to split roads up.

In Potlatch (the editor which opens when you click on the edit tab) you
can split a road by selecting a node in the middle of the road an press
'x'. If there is no node yet at the position where you want to split
it, you can add one by shift-clicking on the way. I find the wiki page
with the potlatch shortcuts really helpful when I use Potlatch [1].

To split a road in JOSM you also have to select a node in the road and
then press 'p' (or use the menu option). Adding nodes can easier be
done by dragging the cross in the middle of a way or by using the add
tool and then clicking on the way.

 I'm a bit flummoxed for doing much walking at the moment on account
 of having two toenails removed but I'll try to get some more done.

That sounds painful! I hope you get better soon.
The midlands user group is having their monthly social on next Thursday
in Birmingham centre. You are welcome to come along. We will do some
mapping before and then meet in a pub. All the details can be found
here: [2][3]

Cheers,
Christoph

[1] http://wiki.openstreetmap.org/wiki/Potlatch/Keyboard_shortcuts
[2] http://wiki.openstreetmap.org/wiki/OSM_Midlands%2C_UK_User_Group
[3] http://wiki.openstreetmap.org/wiki/Mappa_Mercia/Inner_Ringroad

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[OSM-talk] Wiki-admins: Enabling CategoryTree extension

2009-05-01 Thread Christoph Böhme
Hi wiki-admins

would it be possible to install/enable the CategoryTree extension [1]
in the wiki? This extension allows embedding category contents in wiki
pages. IMHO this would help a lot to keep many of the lists on the wiki
pages up to date. E.g. additionally to the Users in  XY categories
many towns and areas have lists of active users on their pages. These
could be maintained much easier if merely the relevant categories were
embedded. The same could be done to maintain lists of places within
regions.

Thank you!
Christoph


[1] http://www.mediawiki.org/wiki/Extension:CategoryTree

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Re: [OSM-talk] [OSM-dev] What is OSM and what isn't?

2009-04-30 Thread Christoph Böhme
Hi everyone

in my opinion OSM should not try to compete with mapping websites by
offering more and more tools for using maps. This is because I think
such an endeavour would have three problems: First, how to decide
which of the hundreds of tools out there are integrated on the OSM
website and which are not? People will surely have very different
opinions about what an online map needs. Second, offering map services
to the end-user will bind a lot of resources (humans  computers) which
could otherwise be used to improve the data. And third, I think, it can
lead to a centralisation of the OSM ecosphere with projects not being
on the main website not gaining much attention since they are not
considered a real part of OSM anymore.

However, OSM obviously needs some showcase to advertise what you can do
with the data. But why not creating a real showcase then? A set of
webpages which explain with some examples what it actually means to
have open geo-data and not just a free-beer map. The showcase could
show examples for common use cases like user-defined renderings,
different routing services, etc and provide links to pages offering
these services. The main website website could then just have a big link
saying: See what you can do with OpenStreetMaps!

A disadvantage of concentrating solely on the data is that normal
website users will be unlikely to ever see the OSM website and thus
never become aware that they can help to improve the map they are
seeing on a website. 
I think this problem could be approached by encouraging users of OSM
data to add links like Are things missing on this map? or Is there
an error on this map? to their maps which link to a page explaining
that the map used on the website is an open map and that users can
easily add the missing data themselves if they want to (or they could
at least create an Openstreetbug).

Cheers,
Christoph 

Andy Robinson \(blackadder-lists\) ajrli...@googlemail.com schrieb:

 Moved to Talk.
 
 Jochen Topf wrote
 Sent: 30 April 2009 8:41 AM
 To: d...@openstreetmap.org
 Subject: [OSM-dev] What is OSM and what isn't?
 
 The discussion on using Cloudmade routing on the OSM website points
 to a deeper question: What is the OpenStreetMap project and how do
 we want to present it on openstreetmap.org?
 
 When giving talks or generally talking to people about OpenStreetMap
 one of the questions I hear the most is: Is OpenStreetMap planning
 to do X? X beeing a routing service or a website where people
 can upload their hiking trails, photos, whatever or many other
 things people think can be done with the maps. And I try to explain
 people that OSM is providing the data and the maps and that its not
 the goal of OSM to provide every conceivable map or mapping web site
 or service. Thats the mindset people have gotten into: We wait for
 Google or Yahoo or Microsoft to come up with the service and thats
 it. I think we should encourage people to build their own, to build
 a whole eco-system of different websites and services, not try to
 get too many things inside the core OSM project. We should make
 clear what the OSM part in this eco-system is: providing the data.
 
 I think we should come up with an idea what the core of the OSM
 project ist and those things should be on the openstreetmap.org
 website and maintained by the community in an open fashion.
 Everything else can be done on different web sites and be linked to.
 Thats the power of the web.
 
 Once we start bringing in other services, where do we stop? There are
 already hundreds of web sites with OSM based maps, routing services
 etc. All of them could argue that they want to be on
 openstreetmap.org. Surely the ski lift map is useful when entering
 data for ski areas.
 
 So I think we should distinguish between the core, the open community
 project, on the one side and other projects (commercial or
 non-commercial) which build upon OSM.
 
 I agree, its good to have the discussion and I'm fully with Jochen
 here that OSM is currently (and personally I feel should remain)
 about the data; how it is put into the database and how maintained.
 
 For background, many moons ago we needed in a hurry to come up with
 the aims of the project and the little ditty that was produced ended
 up in the OSMF Articles of Association. It states:
 
 OpenStreetMap Foundation is dedicated to encouraging the growth,
 development and distribution of free geospatial data and to providing
 geospatial data for anybody to use and share.
 
 It's right that these aims are debated by the community from time to
 time. Now is as good a time as any.
 
 The above breaks down into the following:
 1. Encouraging the growth, development and distribution of free
 geospatial.
 2. Providing geospatial data for anybody to use and share.
 
 So anyone with strong views on whether these two aims are still
 appropriate or whether they feel we should have other aims as well
 please air them.
 
 From the Foundation point of view, any change in the 

Re: [Talk-transit] NaPTAN import

2009-03-18 Thread Christoph Böhme
Hi all

has there been any progress with the NaPTAN import yet? The list has
been very quiet recently.
I started programming the visual merge tool but I have not yet reached
a point where there is something to show. I decided not to modify the
busstop data in the osm database directly but to keep a seperate copy
of the relevant nodes that can be merged into the database at some
point when we tidied it up (basically like the dracos tool does it).

Just wanted to let you know that I have not given up on the import ...

Christoph

Brian Prangle bpran...@googlemail.com schrieb:

 Hi everyone
 
 Summarising where I believe we've got to:
 
 1. Thomas: schedule for completion - we're entirely in your hands -
 agree it's best to avoid the API update.
 2. Birmingham only for test import
 3. No highway=bus_stop tags, enabling us to merge/verify existing OSM
 data ( Christophe's visual tool to eventually solve this manual task)
 BUT tag taxi ranks as amenity=taxi
 4. Import on the basis of the current selection/naming in naptan
 tagging wiki. Imports to be carried out by new user naptan
 5. Plusbus zones and stop areas - import the naptan data only and
 leave doing anything with it until the debate on stopareas reaches a
 conclusion
 6. Roger/Peter:  is our current method of accessing the data OK? Or
 do you have to explicitly issue us with a dataset (perhaps the data
 publicly available for test is not the most current/accurate?)
 7. Andy: agree on re-tagging w mids bus stops with route_ref and using
 semicolons instead of pipes to separate route nos in order to
 standardise - presume you have an automated routine for this?
 8. Update needed on wiki regarding bus_stops (Andy? I'm happy to do a
 first draft for you to edit before publication - or better still
 submit it to this discussion list)
 
 Parked for later discussion/solution
 
 a)Stopareas (see above)
 b)Big-bang vs regional adoption (probably a talk gb discussion once
 Birmingham data and process completed)
 c)handling NaPTAN bus_stop updates
 d) importing further NaPTAN public transport data
 e) user feedback - there's a wide range of skill and experience in
 the OSM community and there are certain to be problems. An explicit
 route needed? f) how to maintain data integrity once it's imported
 and inexperienced users potentially delete data that other users have
 written applications that rely on it being there. I guess this is
 general problem not specific to this project- but this is a donated
 dataset and potentially could drive a considerable number of
 applications
 
 Unless there are any strong objections,(or I've ommitted anything
 from the discussions) I'd like to think we can close the discussion
 on the import and let Thomas get on with finishing the coding. Thank
 you everyone for your time and contributions
 
 We can continue discussion on the parked items and anything else that
 doesn't impact the coding for the first live Birmingham import
 
 Regards
 
 Brian
 

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[OSM-talk] Openstreetbugs source code

2009-02-18 Thread Christoph Böhme
Hi,

I recently integrated openstreetbugs in the mappa-mercia website. Since
this received some interest I extracted the osb code from the site and
made it available for download on http://www.b3e.net/openstreetbugs.html

The archive contains a modified version of Xavier's osb javascript
code, some documentation, and four python scripts which implement a
simple osb server-side. With the code from the archive it is possible
to deploy a complete osb setup.

The server-side scripts were mostly developed for testing my modified
version. They probably need some love and intensive testing before using
them on a public website.

All code is made available under GPLv3. I have emailed with Xavier and
he is fine with this.

Christpoh

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Re: [Talk-GB] Birmingham Apostrophes

2009-02-09 Thread Christoph Böhme
And now someone has written a song about it:

http://www.birminghampost.net/news/west-midlands-news/2009/02/06/birmingham-apostrophe-row-inspires-us-songwriter-65233-22872836/

Christoph

Tim Waters (chippy) chippy2...@gmail.com schrieb:

 was also in the Guardian and the Times
 http://www.timesonline.co.uk/tol/news/uk/article5614962.ece
 
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Re: [OSM-talk] Openstreetbug

2009-02-03 Thread Christoph Böhme
Hi,

I just embedded openstreetbugs in a website for the Birmingham finish.
It works very well and the javascript code is quite self-contained and
should be easily embedable in other websites as well. I am currently
talking to Xav (the inventor of osb) about this. He said that he does
not mind copying and modifing his code. Since I do not mind either, the
clientside code is available
(http://www.mappa-mercia.org/scripts/map.js to be exactly. There is
some other stuff at the top of the file but not much).

So, the clientside code is available and almost ready. On the server
side there is not much to be done. Its basically filing new bugs in a
table, retrieving bugs within a bounding box from this table and adding
comments into a second table. However, this code is not written yet (if
I would only be a better Ruby programmer ...).

Christoph

Erik Johansson erjo...@gmail.com schrieb:

 You know what would be really cool? If people could use Openstreetbugs
 (OSB) on the main Openstreetmap site.  It makes it very easy to help
 new wannabe mappers, and hopefully easier for them to ask for help.
 
 The last time this was up it got stuck because we don't have the
 source for OSB. Which would be nice to have.
 
 See:
 http://www.nabble.com/OpenStreetBugs-td20687061.html
 http://trac.openstreetmap.org/ticket/983
 
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Re: [OSM-talk] Unification of OpenStreetBugs an Trac

2008-12-04 Thread Christoph Böhme
Andy Allan [EMAIL PROTECTED] schrieb:

 On Thu, Dec 4, 2008 at 12:10 AM, Christoph Böhme [EMAIL PROTECTED]
 wrote:
 
  At the moment I am trying to figure out if bug reports reports can
  be stored directly in the osm database using standard nodes and
  tags.
 
 Please, please don't take or advocate this approach. The OSM core
 tables should, ideally, contain geo-data. We already anticipate much
 of the meta-data (e.g. created_by tags, usernames) to be applied to
 changesets (which are in themselves natively metadata). There's been a
 long and steady agreement that future bug tracking systems won't just
 slap nodes into the midst of our geotables.

I was not aware of this agreement. When I first started thinking about
a bug tracker I intended to keep the bug reports in data structures
separate from the osm database. But in the following discussions I got
the feeling that a bug tracker which allowed free-form tagging would be
very welcomed. But implementing this means basically replicating the
node-objects (and the way-objects too if you want to mark buggy areas).
So, I concluded it would be the easiest to just introduce a new set of
tags and manage them differently in the clients. However, I can see why
this is not a very clean solution and I am happy to implement in a
different dataset.

 However, this is another subject that needs more doing and less
 talking :-)

I am really eager to start programming something but at the moment I am
still trying to figure out what exactly. I do not want to spend time
writing a bug tracker that is then rejected because of the way it
stores the bug reports.

Christoph

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Re: [OSM-talk] Unification of OpenStreetBugs an Trac

2008-12-03 Thread Christoph Böhme
Hi!

Donald Allwright [EMAIL PROTECTED] schrieb:
 Apart from this, the lifecycle of a bug is essentially the same in
 each case so the same tool could be used, but with a different front
 end.

You are probably right about the lifecycle. When I wrote the proposal
for an improved bugtracker I noticed that the steps to deal with a
map bug might be called differently but are in fact similar to dealing
with normal bugs. I also think that a different user front end is
definitely necessary. I only started using osb once I found the plugin
for josm. I want to mark bugs while entering my data or marking them as
fixed imediately after fixing them. If I fix several small bugs (and
most bugs are just small things) I do not want to go on a separate
website and locate the bugs only to mark them as fixed. I might even
accidentally fix bugs without noticing that they exist if I do not see
them in the editor.

Changing the user interfac of a bug tracker sounds like a logical
solution but what I still haven't found out is what will be left from
the original bugtracker once I changed the user interface. I have the
feeling that there would not be left much more than a database with a
couple of methods to query bug reports, add or update them, and request
notifications on changes. Since osm does not usually have restrictive
read/write access policies there is not even authorization code needed.
All the logic of how to handle bug reports is implemented in the
different front ends. Depending on the application this logic might be
quite different.

So, I do not really see a reason why to build upon an existing bug
tracker and thereby possibly restraining future applications of the map
bug tracker by relying on a certain database format.

At the moment I am trying to figure out if bug reports reports can be
stored directly in the osm database using standard nodes and tags. The
only problem I see with that are comments and attachments on bug
reports which probably need to be managed in an extra data struture. I
think such an approach would be much more flexible and osm like.

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-12-01 Thread Christoph Böhme
Hi!

Tom Hughes [EMAIL PROTECTED] schrieb:
 The problem with the notesapi branch is not that it's the same
 database but just that it takes the wrong approach to doing things
 within that database.
 
 For the record my preference would very much be for this to be a
 rails based system within the current database.

I am definitely in favour of a rails based system, too. When you said
within the current database did you mean implementing it using nodes
and ways or just placing some more tables within the current database?

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-12-01 Thread Christoph Böhme
Hi!

Bernhard Zwischenbrugger [EMAIL PROTECTED] schrieb:
 What about defining the API first?

Yes, at least before starting some serious programming. My basic idea
for the api was to allow to add, search/filter, and modify bug reports
through a RESTful controller. The search/filter output should be able
to provide rss feeds to enable watching an area for changes and new
bugs. 
I haven't really thought about email or jabber notifications. At the
moment I am just thinking of hooking some notification classes into the
main api. These can then send out what ever type of notification is
requested (text messages on your mobile depending on your current
location?).

 And before defining the API we need the use cases.

I tried to put some use cases on the proposal page already. Feel free
to add more (http://wiki.openstreetmap.org/wiki/Bugtracker_proposal).

 An other thing I would like to see are bug reports in XMPP (Jabber)
 Network. Think about a map that shows you a new report without
 polling. People could discuss immediately in a small chat window
 about this bug. Scalability shouldn't be a problem with XMPP.

Such a system might be an interesting job to set up. It could probably
be implemented as a transport for jabber that impersonates each bug
report with a new user. Everyone who has added one of these users to
their roster gets all messages other people send to this user. Another
option would be some multi-user chat but I cannot really image how to
do this.

Cheers,
Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-12-01 Thread Christoph Böhme
Frederik Ramm [EMAIL PROTECTED] schrieb:
 Christoph Böhme wrote:
  That sounds good. I will see at the weekend if it really is a piece
  of cake. Would it be possible to reuse and extend the client-side
  code from osb for a web-based client-side interface?
 
 Before you get all cranked up writing something new, be sure to check 
 out the notes API branch in SVN, where something OSB-like has been 
 attempted in rails already. I don't know by whom and what the status
 is but I'm sure you will find out.

Thanks, I will have a look at it. I did a bit to much mapping at the
weekend and only managed to install the rails port. However, at the
moment I am a bit confused anyway and not sure what I am going to
implement.

  Especially it would not help anyone if bug reports
  contain different information depending which user interface was
  used to add them to the database. Just imagine the situation where
  a user adds a bug through the web interface and a mapper requests
  the bugs with JOSM. Both pieces of software need to use the same
  model of information in the report and the same concept of how to
  process the bug report.
 
 This is very short-sighted - coming from someone who has worked with 
 OSM! Who are you to know in advance what cool ideas the writers of
 bug tracking software might have? Just because you cannot think of
 anything beyond severity, class and comment doesn't mean nobody
 else can. Let the writers of software decide, do not constrain them
 by your limited imagination.

 If someone comes up with a cool new tag the makes reporting and
 handling bugs much easier, then let him do that and write his own
 cool interface for it. If it works well then others will copy the
 idea. By postulating that everyone will have to work with the
 smallest common denominator, you are killing off creativity.
 
 It's ok to have a few suggested standard attributes like severity and
 so on, but never close the door to enhancements.

I should have excepted this reply ;-) and I have to admit I was quite
focused on developing just a bugtracker and nothing more. Though, I
did not assume I could write the ultimate bug tracking application
that would never need to be extended or accompanied by other tools. My
argument was basically that changes will not happen as often in a bug
tracker as they do for mapping. So, I assumed it would be sufficient to
be able to change the table definitions in the database if new ideas pop
up. But after thinking about this for a while now I can actually see
no advantage of structured bug reports compared to tagged ones. So,
let's go for the tagging approach!

There is only one (technical) question remaining: If we use the same
tagging scheme we could as well store the bug reports directly in the
main database instead of setting up additional tables. The only
problems I can see with this are: 
 - Notifications when new bugs are added
 - How to handle file attachments (through an additional api?)
 - Changesets in api 0.6 (I do not like the idea of creating a
   new changeset for every single bug)

Perhaps this questions should better be asked on dev?

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-12-01 Thread Christoph Böhme
Xav [EMAIL PROTECTED] schrieb:
 Christoph Böhme a écrit :
  Would it be possible to reuse and extend the client-side code from 
  osb for a web-based client-side interface?
 
 If it is a moral question : of course.
 If it is a technical question : 50% of the code has to be rewriten.

Fine, it would at the very least give us something to start with. 

 But when I proposed the use of tags, I thought about the 
 clients-developper :
 
   - I want the simplier interface with only lat/lon/date, two bug 
 states, and a text. I do not want a crapy interface with 30 text
 areas and 60 combo-boxes
 
   - Someone will desire to add a zoom level for each bug, the email
 of the authors, and three bug states
 
   - Someone else will want a reference to the OSM data, the diameter
 of the area that the bug describes, the age of the mother of the
 author, etc.
 
 The tag=value schema does all this.
 And, as the OSM end-user clients (like Mapnik, [EMAIL PROTECTED], routing
 softwares), there are only small pieces of the data that are rendered
 depending of the choice of the rendered.

As I wrote earlier, I made my mind up about the tagging scheme and I
think it is probably the best solution.

  I do not think that it would be the best idea to put images in the 
 database besides it is technically possible with a classical
 database ; I do not know about OSM database. An URL to a solid file
 seems to me much more efficient.

True. It only means that there need to be an additional api for
uploading files which works smoothly together with the main api.
 
Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-12-01 Thread Christoph Böhme
Frederik Ramm [EMAIL PROTECTED] schrieb:
 Christoph Böhme wrote:
  That sounds good. I will see at the weekend if it really is a piece
  of cake. Would it be possible to reuse and extend the client-side
  code from osb for a web-based client-side interface?
 
 Before you get all cranked up writing something new, be sure to check 
 out the notes API branch in SVN, where something OSB-like has been 
 attempted in rails already. I don't know by whom and what the status
 is but I'm sure you will find out.

Thanks, I will have a look at it. I did a bit to much mapping at the
weekend and only managed to install the rails port. However, at the
moment I am a bit confused anyway and not sure what I am going to
implement.

  Especially it would not help anyone if bug reports
  contain different information depending which user interface was
  used to add them to the database. Just imagine the situation where
  a user adds a bug through the web interface and a mapper requests
  the bugs with JOSM. Both pieces of software need to use the same
  model of information in the report and the same concept of how to
  process the bug report.
 
 This is very short-sighted - coming from someone who has worked with 
 OSM! Who are you to know in advance what cool ideas the writers of
 bug tracking software might have? Just because you cannot think of
 anything beyond severity, class and comment doesn't mean nobody
 else can. Let the writers of software decide, do not constrain them
 by your limited imagination.

 If someone comes up with a cool new tag the makes reporting and
 handling bugs much easier, then let him do that and write his own
 cool interface for it. If it works well then others will copy the
 idea. By postulating that everyone will have to work with the
 smallest common denominator, you are killing off creativity.
 
 It's ok to have a few suggested standard attributes like severity and
 so on, but never close the door to enhancements.

I should have excepted this reply ;-) and I have to admit I was quite
focused on developing just a bugtracker and nothing more. Though, I
did not assume I could write the ultimate bug tracking application
that would never need to be extended or accompanied by other tools. My
argument was basically that changes will not happen as often in a bug
tracker as they do for mapping. So, I assumed it would be sufficient to
be able to change the table definitions in the database if new ideas pop
up. But after thinking about this for a while now I can actually see
no advantage of structured bug reports compared to tagged ones. So,
let's go for the tagging approach!

There is only one (technical) question remaining: If we use the same
tagging scheme we could as well store the bug reports directly in the
main database instead of setting up additional tables. The only
problems I can see with this are: 
 - Notifications when new bugs are added
 - How to handle file attachments (through an additional api?)
 - Changesets in api 0.6 (I do not like the idea of creating a
   new changeset for every single bug)

Perhaps this questions should better be asked on dev?

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-28 Thread Christoph Böhme
Just a follow up to my last message:
I did a bit of research on the osm software stack yesterday evening and
I think implementing a genuine map bugtracker isn't more work than
adapting bugzilla. This is basically because the most important part of
the map bugtracker is the user interface. And that has to be rewritten
in both cases. The rest consists only of some database tables and a
RESTful controller to add, edit, and query bugs in the database and
return them in different formats (e.g. XML, JSON, RSS).

I recently started to work with Pylons which is claims to be very
similar to Rails. From this experience I expect the job of writing a
bugtracker-controller to be not very difficult. I will try to install
the rails-port on my computer at the weekend and have a look at it.
For the user interface side it might be possible to user the current
osb code as a starting point.

It would be nice if we could decide on one solution instead of
implementing two competing ones. So, it would be good to have a look at
the advantages and disadvantages of a bugzilla and a rails-port
solution and decide then which one fits best. Perhaps which should also
ask the software developers how they feel about moving from trac to
bugzilla. This seemed to be one of your main points for using bugzilla.

Christoph


Christoph Böhme [EMAIL PROTECTED] schrieb:

 Hi!
 
 Steffen Vogel [EMAIL PROTECTED] schrieb:
  Am Donnerstag, den 27.11.2008, 15:16 + schrieb Christoph Böhme:
   http://wiki.openstreetmap.org/wiki/Bugtracker_proposal
  
  Hey great work!
 
 Thanks!
 
  I already modified the software-bug classifications, statuses of
  Bugzilla, due to the needs of a MapBugTracker.
  
  Do we have some perl programmers around here?
 
 I am more into python ...
  
  I could need some help to adapt the slippy map scripts to Bugzilla.
  It's not as hard as it might sound.
  Bugzilla owns a XML-RPC backend which we can use...
 
 This sounds quite handy and like a clean interface. However, Richard's
 comment about the complexity of writing a new bugtracker compared to
 adapting one for mapping still makes me think. At the moment it looks
 like as if we have to replace the current user interface of bugzilla
 with a completely new one that is suitable for mapping. The original
 user interface won't be of much use for a map bugtracker (I personally
 would always want to see where the bugs are). I am wondering how much
 code there is in a bugtracker which is independent from the user
 interface. Basically it boils down to the question if we write a new
 interface how many parts of bugzilla will we actually use? And will
 these parts fit well into a map bugtracker?
 
 Bugzilla has an incredible amount of features but to me they seem to
 be made very much for software developer teams where only a relatively
 small number of people is actually fixing bugs. This is quite
 different to the osm community where several thousand people can
 possibly solve bugs. I thinks this makes many of bugzillas features
 unneccessary or even counterproductive if they were used in the osm
 community.
 
 I really do not want to put you off from adapting bugzilla to
 openstreetmap but at the moment I cannot see what advantages we would
 get from using bugzilla compared to creating something specific for
 osm.
 
   Christoph
 
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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-28 Thread Christoph Böhme
Douglas Furlong [EMAIL PROTECTED] schrieb:
 2008/11/28 Rory McCann [EMAIL PROTECTED]
  On 27/11/08 18:18, Steven Le Roux wrote:
  Yeah I like it in theory but can we please not refer to it as a bug?
  That's a way to technical term. How about Report a problem with
  this map (once they are zoomed in enough), or something similar.
 
 May be it is my technical leaning but I would interpret Report a
 problem with this map to be a technical problem.
 
 How about Report an inaccuracy with this map, or some thing along
 the lines that makes it fairly clear that we are concerned about
 mapping accuracy.

I add Something wrong on this map? -- Report it! and the short and
simple Report error to the pool of sentences to choose from.

Cheers,
Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-28 Thread Christoph Böhme
Matt Amos [EMAIL PROTECTED] schrieb:
 can i plug http://www.redmine.org/ ?
 
 its a very nice bit of software and we may be able to steal the
 bug-tracking bit of it.

It looks indeed very neat and since it is written on Rails it might be
easier to include in osm than another bugtracker. But the server side
part of the map bugtracker is probably the smallest part and the client
side has to be rewritten anyway. So, it might be easier to write some
server side code that really works for a map bugtracker instead of
trying to fix something.

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-28 Thread Christoph Böhme
Douglas Furlong [EMAIL PROTECTED] schrieb:
 I think the level to which Fedora went is far beyond what we would
 need, but setting up an LDAP directory to store authentication
 credentials would be fairly straight forward.
 
 I'd be willing to spend time to look at implementing some thing like
 this, if their is a desire from the community.

+1

Christoph 

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-28 Thread Christoph Böhme
Hi,

Xav [EMAIL PROTECTED] schrieb:
 With my experience in developing OSB, I would say that Christoph just 
 resumed it quite right : the server side software is a piece of cake
 and should propose a simple API to insert/edit/delete and view the
 data (JSON, RSS, GPX).

That sounds good. I will see at the weekend if it really is a piece of
cake. Would it be possible to reuse and extend the client-side code from
osb for a web-based client-side interface?

 Because everybody has its own idea of what should be specified in the 
 data (bug status, email, classification, age of john's mother), why
 not to copy OSM : tags.

 Think of it...

I thought about using a general tag scheme too, but I think its not a
good solution for a bugtracker. Bug reports are mostly free-form text
already and contain only structured information to remind people to
supply certain bits of information and to handle processing of the bug
reports. So, I do not think bug reporters will ever feel the desire
add tags to their bug reports. In fact, it would probably confuse most
people. Developers of user interfaces for the bug tracker might however
want to have more structured information. But this is probably only a
small group of people who can decide which information a bug report
should contain. Especially it would not help anyone if bug reports
contain different information depending which user interface was used
to add them to the database. Just imagine the situation where a user
adds a bug through the web interface and a mapper requests the bugs with
JOSM. Both pieces of software need to use the same model of
information in the report and the same concept of how to process the
bug report.
Additionally, I think defining a bug report format is not like defining
a database structure to describe the whole world but more like finding
one for describing a residential street. Implementing a general tag
scheme just postpones the decision of what to put in a bug report in my
opinion.

 The server side already exists : it's basically OSM database without 
 ways, with a guest account, and accepting long string values (the
 text users could add).

That is really attractive. The only problems I can see here (apart from
that we still should try to define a  bug report format) are that
annotations to a bug report like comments, images and attachments
cannot be stored in the osm database (as far as I know). Another
question is how the introduction of changesets in the api 0.6 affects
very small edits. Creating a changeset for every bug which is added to
the database might turn out to be very inefficient memorywise.

 A lot of clients already exists : JOSM, Potlatch, Mapnik, trillions
 of scripts, etc.

But they still need interfaces to handle the bug reports in a user
friendly way.

Christoph

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[OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-27 Thread Christoph Böhme
Hi,

after the two latest discussions on the list I sat down and put
together a little proposal for an improved map-bug tracker:

http://wiki.openstreetmap.org/wiki/Bugtracker_proposal

This is *not* meant to be a decision to write a new bugtracker from
scratch instead of improving openstreetbugs or using some bugzilla based
solution. The proposal shall only support us to figure out what we
except from a bug tracker for maps and how a good user interface should
look like. Once we know how the bug tracker should look like, we can
see how it is best implemented.

I did not find a place in the wiki were to put this type of proposals.
Map features does not seem to be the right place. So, I only linked it
from my user page. Perhaps someone with more knowledge about the wiki
structure can find a nice place for it.

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-27 Thread Christoph Böhme
Hi!

Florian Lohoff [EMAIL PROTECTED] schrieb:
 I'd vote for making the OSB as simple as possible - as soon as you
 require a login or filling in some drop downs we'll loose Aunt Tilly
 with her good local knowledge.

I am completely with you here. However, while Aunt Tilly wants a
no-frills interface mappers who are dealing with bugs need a bit more
functionality. There might be also people willing and able to provide
more detailed bug reports. They should  have the option to do so.
IMO, the problem is to put these three things together.

I think, it is quite clear that we need an Aunt Tilly-interface to the
bugtracker with the following features:

 - no registration required
 - only a single text field to describe the error
 - optional email address if the reporter wishes to be contacted
 
So, basically what openstreetbugs is now. Though, I see no point
why things behind this interface could be a bit more advanced. Since
only mappers will use them. I also see no reason why the Aunt
Tilly-interface should not contain a link saying advanced which shows
some more options (like classification and so on).

Christoph

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Re: [OSM-talk] Proposal for a map-bug tracker (Openstreetbugs)

2008-11-27 Thread Christoph Böhme
Hi!

Steffen Vogel [EMAIL PROTECTED] schrieb:
 Am Donnerstag, den 27.11.2008, 15:16 + schrieb Christoph Böhme:
  http://wiki.openstreetmap.org/wiki/Bugtracker_proposal
 
 Hey great work!

Thanks!

 I already modified the software-bug classifications, statuses of
 Bugzilla, due to the needs of a MapBugTracker.
 
 Do we have some perl programmers around here?

I am more into python ...
 
 I could need some help to adapt the slippy map scripts to Bugzilla.
 It's not as hard as it might sound.
 Bugzilla owns a XML-RPC backend which we can use...

This sounds quite handy and like a clean interface. However, Richard's
comment about the complexity of writing a new bugtracker compared to
adapting one for mapping still makes me think. At the moment it looks
like as if we have to replace the current user interface of bugzilla
with a completely new one that is suitable for mapping. The original
user interface won't be of much use for a map bugtracker (I personally
would always want to see where the bugs are). I am wondering how much
code there is in a bugtracker which is independent from the user
interface. Basically it boils down to the question if we write a new
interface how many parts of bugzilla will we actually use? And will
these parts fit well into a map bugtracker?

Bugzilla has an incredible amount of features but to me they seem to be
made very much for software developer teams where only a relatively
small number of people is actually fixing bugs. This is quite different
to the osm community where several thousand people can possibly solve
bugs. I thinks this makes many of bugzillas features unneccessary or
even counterproductive if they were used in the osm community.

I really do not want to put you off from adapting bugzilla to
openstreetmap but at the moment I cannot see what advantages we would
get from using bugzilla compared to creating something specific for osm.

Christoph

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Re: [OSM-talk] OpenStreetBugs - open or not?

2008-11-26 Thread Christoph Böhme
Frederik Ramm [EMAIL PROTECTED] schrieb:
 An API would be cool of course but as OSM itself 
 proves, if you offer dumps then others can do the API ;-)

There is an openstreetbug-plugin for josm. It works by parsing the
javascript responses from the openstreetbugs-website. So, there is
already some kind of API which makes it possible to use openstreetbugs
in other application.

I would be happy to contribute to a redevelopment of openstreetbugs. A
while ago I started to use it extensively mostly for notes to myself and
to-do items. By using osb in these new ways, I began to miss a number
of features like assigning a bug to someone, keeping old bugs for
reference (especially if they turned out to be wrong), and having
different types or importances of bugs. I would also love to see an
Report Bug tab next to the edit tab on openstreetmap.org.

Cheers,
Christoph

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