I was thinking this also - I was going to send an email to the local faculty
who are responsible for the GIS curriculum at each local school, and also
offer to speak or help get students started (first edit sessions can be
frustrating). It's important to keep the mail as low key and let the
Curved bridges will require more than one segment to mark the bridge way.
Re: Collected Ways - For a simple way bridge case, I leave the bridge
named either the same as the way or for the case of a named bridge, have the
way as name_1. The name collector *might* be able to follow the way by
I had an interesting experience related to my first mapping project. I was
trying find convenient entry points into a new local fitness trail to check it
out. Although there is an official Google map with a GPX trace, it's hard to
find entry points, parking, etc because they're a bit hidden
I'm using netbook with just your average $30 GPS dongle to collect data.
Today I took a 5 mile out-and back hike under dense forest canopy. The GPX
traces for the same trail out and back are separated by as much as 100
meters.
I didn't record PDOP information and such, but are there any
You might be able to use sat overlays to estimate the true path.
won't be more precise though (if you really mean sat and not aerial
photo). In the end you would be tracing from aerial and use the track
just as an reminder.
For this case, I checked with the Yahoo imagery, and the canopy
--
From: Stephen Hope slh...@gmail.com
I've done some rain-forest hiking, and I've noticed similar results.
If you really want to see some wandering tracks, try hiking along the
base of some cliffs, in dense forest.
The area I was in was in a
I was reviewing the toll tagging and things in the Wiki don't quite
connect -
1. barrier = toll_booth - applies to node. This seems good.
2. toll = yes - applies to way. So far so good, but then it refers to
highway = toll_booth instead of barrier =
3. charge = {amount} - applies to way.
The admin boundary has (IMHO) extra nodes (they don't connect to another
way nor do they affect the shape of the boundary). To make things
worse, I've joined some of these nodes to streets as I worked on the
streets and land use in the area.
So... now that I have to fix things, I want to
From: Elena of Valhalla elena.valha...@gmail.com
On Mon, 17 Aug 2009, John Smith wrote:
Is 640x480 good enough?
;) ofcourse we want 1080p ;)
is 640x480 good enough e.g to read street names and other signs?
http://home.att.net/~niceman/VidCap1.jpg
I took that yesterday from a helmet cam
Just a thought on this... do you know which frame of the GOP this is from.
I frames would be the clearest, followed by P and then B.
The issue of blur may be able be reduced if your camera has a sports or
fast shutter mode.
I played with the jog mode, but could not find a clearer view in
--
Since this has been so helpful, I'd like to ask for advice on another
question. In an urban/suburban setting (Tampa, Florida, US), where
sidewalks are discontinuous (some blocks have them on both sides, some
blocks only on one, some on
I have done a dataset conversion in preparation for a bulk import of an NHD
coastal sub-basin in the US. One of the last river stages generated a
multipolygon relation containing about 3,000 members.
Is it best to break this into multiple 'bands' before importing it, or is
there no
From: Frederik Ramm frede...@remote.org
Pieren wrote:
I say that because I spent a little bit time to look the edits of this
person, working intensively in different countries with a lot of short
edits and after one day of the first alarms about this user.
But do you even have anyhing to
We have to deal witht he reality of the situation, no commonly used
mail client handles list headers properly, so it's pointless to argue
this is a good reason to keep the status quo, in fact it's a good
reason to set the reply to to the list since most mail clients don't
handle it properly,
I'd suggest moving all the following tags
addr:city = Osijek
addr:country = 385
addr:postcode = 31000
addr:street = Starigradska
to the way (rather than the individual nodes). And I'd suggest that
addr:country = 385 is unlikely to be understood.
No! Please don't do that. That makes
I'd noticed the increased speed as well. Thank you to all involved in
making it happen.
I noticed this also. That's a great help - Thanks!
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On the other hand, since they live on their street, their primary knowledge
of street names comes from a local survey, and at most they might use
Google maps for secondary reference. Your point is important for those
that branch out into their neighborhood, and might continue to copy from
I have written a new JOSM plugin that assists with Address Interpolation -
it follows the newg Wiki instruction page for tagging address
interpolation ways.
http://wiki.openstreetmap.org/wiki/JOSM/Plugins/AddrInterpolation
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Lots of the streets have abbreviated types. OSM wants Road instead of
Rd, and Avenue instead of Ave. That's tedious work though. Change
them as you touch them, I guess.
Re: Tiger in the US - in nearly all cases, I will change something that is
signed as XYX rd to XYZ road, following
I've been working on streets in and around Wichita and Newton, Kansas
for the last week, it seems there has been little done since the tiger
data import, as most freeway(motorway) intersections also connect
directly to the crossing street. I've been disconnecting and making sure
that the
Thanks I think I've got it fixed now - Eclipse was checking out updates into
one directory, but building from another, so my current source was weeks
old. The accessors will be a good thing in the future.
Note to general users wishing to try it out; the plugin will now require
running
Seems the layout of your plugin dialog got mixed up a bit.
Using version 17721 the Optional information: box doesn't include the
following lines and fields (city, state, etc.)
This was an attempt to create a titled horizontal rule. Is there a
native Swing component for this?
This was an attempt to create a titled horizontal rule. Is there a
native Swing component for this?
I think a JSeparator is your friend there. Adding some indentation or
border will make you even more happy there.
I converted this to a conventional border. Also, based on a
One thing I see at that intersection is that where the roads split with the
connector to 254, the southeastern link appears to be tagged wrong. If you
start from the north, working south:
A way named as carrying US 81, State 15 and State 96. Also relation
named 135 south.
Split with a
The problem connector is also named US81...etc, as well as containing the
routing relation 135 South. I believe that is what disrupted the
routing.
A further clarification - the connection from 81 to 254 would be a
secondary_link , since the road to which it connects is secondary.
I've been noticing that in the US tiger data in central Kansas - ways do
not cross county lines. Each county has their own county line road and
the roads from that county connect to it - but it overlays the next
countys county line road. Is there some automated way to select both
ways and
I think the real question is what would importing a new version of the
tiger data do to all the tiger data fixes we've spent so much time on.
Good question - I would hope that whatever is done takes maximal
consideration for any existing edits - along the lines of OpenJump /
RoadMatcher
My goal is to get the addresses imported into OSM this time
around.
I agree - most newbies' first usage of openstreetmap.org is to type their
street address, then not look further when nothing is found.(I know we
aren't serving as a real time reference site, but some of these people
And I think this gets changed as other objects in the database get
changed: freely but consciously. So if there is a new value for shop, it
is a conscious act to add that to the list of values for shop, and to
describe it, not just casually adding it as a tag value.
Let me be quite clear
You have described an interesting example of the difficulties of wishing
to be
a conformist on OSM and I have described the example of how easy it is to
be
an anarchist.
The only reason for wanting to be a conformist is the possibility for
more meaningful rendering sooner. Currently,
So, I've revised my approach to placing non-rendering shop types on the
building outline where the name= tag will be shown.
If I understand you correctly your mapping/tagging so the name is
displayed along the outline of the shop.
I add a building=yes which renders the building
The delay in rendering is irritating but understandable. A sandbox with a
limit of a view ways/areas to allow immediate render would be extremely
useful.
I read somewhere today that someone is working on this - a web site where
you'll be able to designate a bounding rectangle with near
I used shop=solicitor because I had heaps of stuff to put on the map and
no
time to do any exhaustive search. Any tag I found on the wiki later I
adjusted
to a generally used one.
I'm quite happy to change my tag to shop=lawyer.
I'm not an English native speaker, maybe that's why
Not quite the same thing but I was told last week some colour blind
people can't use Google maps because there is too much green, but they
can use maps based on OSM data, not sure which style etc, because it
has less/no green
As long as they don't live in Georgia g
I think they are quite important,(they are currently not rendered with
name at that level, and the small icon is IMHO not cluttering). But
this discussion is endless...
Actually they are now rendered in this level due to a trac-ticket of
someone mapping in the alps, where they can be crucial
I created a new group of photos to extend the experiment - I think all
have OSM tags except for 2.
http://www.flickr.com/photos/43161...@n05/
With the problems of direct OSM ID reference, I don't see this as a
permanent thing, but this is some more sample data to fuel thought.
http://www.ajc.com/news/atlanta-to-be-first-163633.html
Atlanta to be first crowd-mapped U.S. city
Jack Kittle of Decatur is helping create a new map of Atlanta, and suddenly
the world looks like a more fun place.
Notice the Brick Store Pub and the Raging Burrito on OpenStreetMap's map of
There are solutions, but all the ones I know about are commercial. I
use a board based on MPNews from MessagePixels - I access it via NNTP,
others use it as an email list or a web based board. There is a bit of
culture clash - people who use the threaded (web based, nntp) forms
tend to snip
The page does not use flickr geolocation apis, only the tags.
Very nice presentation - this is better than just Flickr's Geo location
map because the actual feature is highlighted. And it's more correct to
use the OSM tag rather than the Flickr geolocation tag because of the offset
3. I parked my car near a village a day before, marked a waypoint.
The satellite error was at +- 5metres. Today morning, I came back
and marked another waypoint. This time the error was +-4 metres
but this waypoint is 150 metres off the earlier one. The car keys
were with me and I can vouch
times of day.
(Just guessing). Normally a re-survey of an area results in a max 2-4 Meter
error with this same device.
From: Shalabh
Sent: Saturday, October 31, 2009 12:44 PM
To: Mike N.
Cc: talk@openstreetmap.org
Subject: Re: [OSM-talk] Garmin eTrex Vista Hcx
Mike, thanks for the response
In reality, it isn't. It's factual information about the world, which
is not copyrightable in the USA, and given your sweat of the brow in
tracing it, is copyrightable (but it's YOUR copyright for having
traced) in the UK.
But that's not the point. The point is that the Google Terms of
I care about them as much as I care about people's
speed limit violations while making OSM maps.
I can just picture some bored police lieutenant pulling down those GPX
tracks in his area having timestamps, then trying to issue speeding tickets.
If we're going to go into detail, no type of interpolation reflects
reality, it's just interpolation.
I disagree. An approximation of reality reflects reality.
Physical street surveys will almost never get 100% reality due to missing
house numbers, etc. Are you proposing to discourage
FYI - I applied the experimental script which creates address interpolation
ways at -
http://svn.openstreetmap.org/applications/utils/import/tiger2osm/shape_to_osm-Tiger.py
The results are at
http://svn.openstreetmap.org/applications/utils/import/tiger2osm/shape_to_osm-Tiger.py
Cool stuff! I've been looking at doing the same thing. Which osgeo
python code are you using?
I'm using the default lib for Fedora - GDAL 1.6.0; release 8.fc11 .
Someone else (in Georgia?) created all
http://svn.openstreetmap.org/applications/utils/import/tiger2osm/shape_to_osm-Tiger.py
We'll work on making sure that these data look good and I think some
people have some plans on how to get these integrated a bit at a time.
Thanks to those who worked on the namefinder - it worked GREAT
You gotta have the addr:street information somewhere.
Oops! Yes, that should be the minimum required.
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riding on the assumption that we'll have something like 'tiger:reviewed =
no' (with editor support) to mark unreviewed areas. Ideally, an
indication
that an address is unreviewed would be passed along by any services that
use
So, who did volunteer to write that editor-support?
What
For pretty much all of Florida there is parcel-by-parcel address
information available from the county. If you want to import address
information, that would be much more accurate than TIGER.
For that case, clearly the county information is vastly preferred over
TIGER. I'm curious about
TIGER is fine if you don't have anything else. But that's not the
case where I live. It's fine to fall back on if your actual address
search fails. But adding it in a way that encourages people to
*update* the potential addresses with actual addresses defeats that
possibility.
Perhaps
So please, turn away from imports and work on getting mappers in
charge, especially out pounding the streets. The outcome will be much,
much better in the end, and that end will come much, much quicker.
The 'Quicker' part will always be debatable; I put in many hours on fixups
and the end
Actually several of the Australian borders were drawn up on paper but
the physical border differs because of miscalculation when surveyed,
they just found out that the angle along NT/Qld borders differs in the
direction they went north, so they'll probably update the paper maps,
they said
format and had already evaluated it. The result of the evaluation was
disillusioning: The geometry is pretty good, but the attribution is way
below what would be required to substitute the commercial data.
Can you give any more details? Although general tagging is an anarchy,
'automobile
So as I stated above, I don't think the _main_ problem at the moment is
the anarchistic tagging, but still too limited coverage, especially on
tagging relevant for routing.
Again, this is not how the company put it. The evaluation failed due to
the
tagging, so even a full coverage with
I realize most people have fallen asleep on this thread, but did anyone
get a detailed report on why OSM was rejected?
Nothing heard here ... if there's a problem other than coverage, it's
worth hearing about. Otherwise, did it really happen?
There is no 1000-member hard-cap on relationship. However, it becomes awkward
to edit huge relationships spanning many states since the likelihood for
conflicting changesets increases.
The Wiki does contain a modification based on the September discussion, but
it's very difficult to
A very good idea to see what the duplicates are first.
some are multiple different nodes occupying the same place.
+1 - please don't merge duplicate nodes which join 'roads' to admin
boundaries it's difficult enough to drag roads out from under admin
ways to correct them as it is.
Stefan Pflumm wrote:
this ways are all highways.
It surely is unusual for two highways sharing the same nodes, and I
cannot think of an example where this would make sense. But that doesn't
mean there is none; can you give an example?
One example is US TIGER imports at county lines - the
I think I know the primary account (Not many mappers in the US!). He'll
respond via the contact, but let me know if he doesn't.
This is always a risk when making mass edits that don't agree with the Wiki
(relation ref). I don't know if that's the reason for revert. It would
have been best
I don't see that the Wiki is self-contradictory in this case; it quite clearly states the convention for US and US Interstate highway refs. Is there a good argument to omitting the state abbreviation from the ref? Will the end result of changing to just a number be usable by the
=secondary, most major county roads=tertiary. Those in other regions may promote the small roads based on lane count, max speed, etc.
-- Original message from John Smith deltafoxtrot...@gmail.com: --
On 1 March 2010 03:17, Mike N <nice...@att.net> wrote:
Is there
http://www.wired.com/wiredscience/2010/03/chile-earthquake-moved-entire-city-10-feet-to-the-west/
The magnitude 8.8 quake that struck near Maule, Chile, Feb. 27 moved the entire
city of Concepcion 10 feet to the west.
Precise GPS measurements from before and after the earthquake, the fifth
I'm very much in favour of improving both the quality of hiking data,
and its representation (particularly outside Europe). But do make an
effort to consolidate the existing material rather than just adding
another layer of paint over the top.
Exactly - I'm just at the point where I need a
(And similarly, how to distinguish between a bike path and a mountain
bike track).
I added mtb:scale to mountain bike tracks. But around here, even the
steepest, roughest terrain is only 1 or 2 out of a scale of 5. I think
mtb:scale=3 is something like leaping off 1 meter boulders g
Exactly - I'm just at the point where I need a high quality hiking /
biking map in a relatively small region in the US.
Maybe http://hikebikemap.de works for you?
I like it as a start; the colors of the main roads are muted which is good.
And I like the map legend which is necessary for
How about 4: delete the TIGER imported administrative boundaries?
In my experience a) they're not very good, and b) we should be using boundary
relations anyway.
How will boundary relations help? They must still refer to a closed way in
order to define the administrative boundary.
How about 4: delete the TIGER imported administrative boundaries?
In my experience a) they're not very good, and b) we should be using boundary
relations anyway.
How will boundary relations help? They must still refer to a closed way in
order to define the administrative boundary.
In your point b), do you mean that if we did use boundary relations that there
would not be an issue with boundaries and roads being co-mingled and mis-edited?
From: Anthony
Sent: Sunday, March 21, 2010 8:41 PM
To: Mike N.
Cc: Jeff Spirko ; OSM Talk
Subject: Re: [OSM-talk] Administrative
What I want is USA - specifically Kansas - but the whole world is ok too
if that makes setup easier.
We are going to practice editing with JOSM and potlatch and for my own
use I want to play with
tracing farmers fields from data that my company's applicators collects
when we apply
I have several old PC's and a fairly good understanding of linux,
apache, mysql, php etc.
There is a good step-by-step guide to get started at
http://www.weait.com/content/build-your-own-openstreetmap-server-ubuntu-1004-lucid-lynx
Also, the exact steps vary depending on your version of
I and at least one other user (See OSM Diaries) have noticed that Yahoo
imagery is not currently displayed in the Potlatch editor. Does anyone know
what the issue is?
http://trac.openstreetmap.org/ticket/2950
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I came to the OSM project to help create a better map of the world, not
to be insulted. Please remove the page
http://matt.dev.openstreetmap.org/dupe_nodes/heroes.html immediately.
Not only that, but more than one 'hero' belongs in the 'villain' category
for blind and ill-considered
* Lane numbers
* Speed limits
* Turn restrictions - no turns and one direction only
* One ways
* U-Turns
* Roundabouts
Great tool! This is the first one I've seen with 'mph' Speed Limit
summaries.
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Not quite sure what to make of what I'm seeing - trunk roads with an
estimated speed limit of 85kph (there's no such thing as a _5kph limit
in Australia). Is this in scope for the comments you're seeking?
The estimated speed limits are probably a best guess average worldwide for
trunk.
as far as i know, we're supposed to be using KPH everywhere, even here
in the US.
According to the Wiki: http://wiki.openstreetmap.org/wiki/Maxspeed
If your country uses miles / the imperial system, tag the value and append
mph!
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Scatter plots of Geo-tagged photos in some worldwide areas - OSM is credited
as base data
http://www.flickr.com/photos/walkingsf/sets/72157623971287575/
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Is there an issue with the renderer now?
The Mapnik tiles are not rendering, and the Wiki status page confirms
this. I don't know any more details.
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That's a fantastic demo - I agree about keeping it behind the '+' in the
beginning.
Lambertus pointed out that some bicycles routes take strange detours
when the fastest option is chosen.
I have a case where the most suitable path for foot/bike is a multiuse
trail. I couldn't get it to
Mike N wrote:
It should be noted that this is neither the shortest or fastest route, so
there may need to be a new option?
There's talk of several back end routing engines (Gosmore/etc), so I'm
not sure if I should look at modifying one
of these engines, or if I would need to add a new one
(although with JOSM you can easily unglue nodes or you can also delete the
way and create a new one when these changes are required).
It depends on your definition of easy.In the cases I have run into, it
is necessary to modify a short section of road, therefore I can't just
select all
Mapquest is also planning to spent $1mill to improve OSM data in the US:
This sort of thing is needed in the US to supplement or kick start the
spontaneous contributions in order to end up with a nationally useful map.
It will be interesting to see if they can apply it for maximum
Wondering if anyone has tried a helmet camera like the GoPro Helmet
Hero HD or ContourHD for mapping?
I have the ContourHD, and while it's a fantastic sports cam, it's not close
enough to usable for reading street signs from just one street-width away.
I see a case for and against them. Since they're not routable, I don't
immediately see a problem. Nodes are simply points, and a point can be
shared between two objects, and so why use extra nodes if they're not
needed?
I don't have a problem with modeling objects like buildings or 2
I have the ContourHD, and while it's a fantastic sports cam, it's not
close
enough to usable for reading street signs from just one street-width
away.
Hmm, good to know. What if you're below the sign and looking up?
Yes, it does capture a readable sign image for the near case, provided
output is very rough. You should see a map of the area on the left and a
list
of Points Of Interest on the right. The list of POIs includes nodes and
ways,
if you click on the name of a node it'll show you the location on the map.
When clicking on a node, it would be handy to show the
I don't understand this argument. Doesn't every tag change anywhere break
every editor/renderer/search/data user whether or not you think it is
correct?
John has just as much right to go change all the amenity= tags to something
more specific as you do to keep them the same. Data consumers
I thought most smart phone apps would mostly view map tiles, either
OSM or Cloudmade?
There are several apps now for the iPhone which also search POIs. Some
examples:
-JOSM allows tagging whether banks include an ATM - I select this when
the ATM is attached to the building or inside
to become OSM mappers!
http://www.greenvilleopenmap.info/Mappers00.jpg
(Saw that in a magazine ad)
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From memory: out of the tweets going by in SOTM 2011, I remember one
that was something like Is navigation the best usage we hope to achieve
for OSM?
I'm curious to see the slides or video for this - who was the author
and/or presentation name?
Thanks,
On 11/13/2011 8:19 PM, Michal Migurski wrote:
On Nov 13, 2011, at 4:29 PM, Mike N wrote:
From memory: out of the tweets going by in SOTM 2011, I remember one that was something
like Is navigation the best usage we hope to achieve for OSM?
I'm curious to see the slides or video
On 11/20/2011 6:25 PM, Václav Řehák wrote:
But when I go for a mapping trip I need to see
as recent data as possible on the highest zoom available to decide
e.g. which of the tracks there is not yet mapped, whether a particular
POI is already mapped, etc. You get my point...
While I don't
On 11/27/2011 4:30 PM, yvecai wrote:
Unless you are talking about a very small area, say just a kilometer
or so across, I don 't think you are likely to get good results trying
to render maps directly on the phone. Phones are rather limited in
memory and CPU speed compared to even a low-end
On 11/28/2011 11:54 AM, Greg Troxel wrote:
the POIs such as
churches, cemeteries, schools
I'm continually amazed by the turnover of schools due to
modernization, expansion, etc.My pre-survey of a new area is to find
the schools so that I can see what the building is now being used for,
In the toy gadget category, there's the new Garmin eTrex 10,20, and 30
GPS Navigator / logger. I recently had a chance to get hands on one of
these to see if I could measure the effect of additional GLONASS
satellites on measurement. While a full analysis would be very
complex, I wanted to
I saw a new user pop up recently and they added several POIs to the map
correctly. I saw a new (to me) app that was used: MapStalt Mini
http://www.windowsphone.com/en-US/apps/f2249c46-1b92-e011-986b-78e7d1fa76f8
Points and addresses entered into the MapStalt app update the Open
Street
On 12/12/2011 5:10 AM, Floris Looijesteijn wrote:
Looks nice!
Does it add everything as one osm user?
In other words: how does it work 'license-wise'?
I'm looking at making something similiar so I'm very intested in this...
In the local case, a new OSM ID was created to add the points, so
On 12/13/2011 2:27 PM, Hillsman, Edward wrote:
Thinking in terms of a NEW user, who is already facing a steep learning
curve to contribute to OSM, and who has by default accepted the new CT,
and may not even know about the license change, such a person has every
right to expect that his/her
A common method of photo surveying in OSM is to take a picture of the
GPS while it displays the GPS Satellite time. On the eTrex 30, I can
only display the time to the nearest minute. Has anyone found a screen
to display the seconds? If not, it is useless as a reference time
source and
On 12/21/2011 4:29 AM, Ed Loach wrote:
Do any of the 4 alternatives in the Amazon review here help?
Yes - A direct link to the review with 4 alternatives is here:
http://www.amazon.com/review/R3RAKYFG6DOERN/ref=cm_cr_pr_perm?ie=UTF8ASIN=B00542NVS2nodeID=tag=linkCode=
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