Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-18 Thread Micha Ruh
Hi Jean-Marc,


>2010/1/16

> > Take a look at tagstats :
> > tagvalueuses
>  nodeway
> > building collapsed 1,045   747
>   298
> > earthquake:damage collapsed_building   1,473   1,465   8
>


> 2010/1/18
> tag   value uses
> buildingcollapsed  5,214
> earthquake:damagecollapsed_building3,107
>

Looks to me that both variants got a huge increase in use over the last 2
days.
So if you want to replace one variant with the other, you end up doing it
constantly,
as users seem to constantly add more collapsed buildings in both variants.

Also it looks like the 'easier' variant is more accepted.

Yes, it is 'ugly' in terms of data quality, but I see no problem so far.

Maybe eventually it gets reasonable to unify those tagging variants, when
the growing rate sinks significantly, but, in the long term the information
will
be removed from OSM anyway.

We can learn from this and do it better the next time.


Regards Micha
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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-18 Thread Patrick Kilian
Hi,

> If the idea of removing one of the two does not generate enthusiasm,
> would applying both tags everyhere be a better idea ? I don't believe
> so, but I would love to read other opinions...
Not in general. In this case it might be.


> Actually, I'm surprised that no one else commented on this data quality
> issue. Not a big issue mind you, but I'm wondering anyway...
Looks like most other groups use our road data and do the damage
assessment on buildings themselves. So it's probably not really important.


Patrick "Petschge" Kilian

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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-18 Thread Jean-Marc Liotier
Jean-Marc Liotier wrote:
> Micha Ruh wrote:
>> 2010/1/16 Jean-Marc Liotier mailto:j...@liotier.org>>
>>
>> I tried to
>> replace "building=collapsed" with "earthquake:damage=collapsed_building"
>>
>> Please don't, it's useless, if not harmful.
>>
>> Why do you want to replace a simple, understandable, well established,
>> broadly supported tag with something THAT complicated?
>>
>> It's ok, that another tag with the same meaning exists due to imports,
>> but please DO NOT change well known and used tags with another one
>> coming from an import.
>>
>> Especially not when the new tag is 35 chars long. Try editing that in
>> potlatch.
> 
> Take a look at tagstats :
> 
> tag   value   usesnodeway
> building  collapsed   1,045   747 298
> earthquake:damage collapsed_building  1,473   1,465   8
> 
> We have two tags to describe the same thing. One is apparently more
> widespread, more conformant to published standards and semantically
> superior.
> 
> What do others think ? Is tag length such an issue ? Doesnt
> autocompletion solve the problem of tag length ? Is it desirable to
> standardize ? Isn't it harmful to have two tags to describe the same
> thing ? Is the value of harmonization inferior to the value of not
> disturbing habits taken in the last few days ? Do we have past
> experience or a policy for such things ?

If the idea of removing one of the two does not generate enthusiasm,
would applying both tags everyhere be a better idea ? I don't believe
so, but I would love to read other opinions...

Actually, I'm surprised that no one else commented on this data quality
issue. Not a big issue mind you, but I'm wondering anyway...

Tagstat update :
http://tagstat.hypercube.telascience.org/haiti/tagdetails.php?tag=building
http://tagstat.hypercube.telascience.org/haiti/tagdetails.php?tag=earthquake:damage

tag value   uses
buildingcollapsed   5,214
earthquake:damage   collapsed_building  3,107
buildingyes 7,743


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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-16 Thread Jean-Marc Liotier
Micha Ruh wrote:
> 2010/1/16 Jean-Marc Liotier mailto:j...@liotier.org>>
>
> I tried to
> replace "building=collapsed" with "earthquake:damage=collapsed_building"
> 
> Please don't, it's useless, if not harmful.
> 
> Why do you want to replace a simple, understandable, well established,
> broadly supported tag with something THAT complicated?
>
> It's ok, that another tag with the same meaning exists due to imports,
> but please DO NOT change well known and used tags with another one
> coming from an import.
> 
> Especially not when the new tag is 35 chars long. Try editing that in
> potlatch.

Take a look at tagstats :

tag value   usesnodeway
buildingcollapsed   1,045   747 298
earthquake:damage   collapsed_building  1,473   1,465   8

We have two tags to describe the same thing. One is apparently more
widespread, more conformant to published standards and semantically
superior.

What do others think ? Is tag length such an issue ? Doesnt
autocompletion solve the problem of tag length ? Is it desirable to
standardize ? Isn't it harmful to have two tags to describe the same
thing ? Is the value of harmonization inferior to the value of not
disturbing habits taken in the last few days ? Do we have past
experience or a policy for such things ?


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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Micha Ruh
2010/1/16 Jean-Marc Liotier 

> Jean-Marc Liotier wrote:
> I tried to
> replace "building=collapsed" with "earthquake:damage=collapsed_building"
>

Please don't, it's useless, if not harmful.

Why do you want to replace a simple, understandable, well established,
broadly supported tag with something THAT complicated?
It's ok, that another tag with the same meaning exists due to imports, but
please DO NOT change well known and used tags with another one coming from
an import.

Especially not when the new tag is 35 chars long. Try editing that in
potlatch.


Thank you.

Regards, Micha
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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jean-Marc Liotier
Jean-Marc Liotier wrote:
> 
> Now we have :
> 
> tag   value   uses
> earthquake:damage collapsed_building  1,499
> fixme:buildingcollapsed   1,492
> building  collapsed   787
> earthquake_damage collapsed   2
> 
> Time for harmonization ?
> 
> "earthquake_damage" should obviously be "earthquake:damage".

Corrected two occurences. Edit at
http://www.openstreetmap.org/browse/changeset/3628429

> "fixme:building=collapsed" looks like it should be
> "earthquake:damage=collapsed_building" - but maybe there is a reason for
> "fixme" that I'm not aware of.

As explained earlier, there is a reason for that, so I did not touch
anything with "fixme:"

> "earthquake:damage=collapsed_building" is the ITHACA way. Should we
> convert all the "building=collapsed" to it ? I would say yes, because
> "collapsed" is not a type of building but a building attribute - the
> ITHACA way is semantically superior.

Where a "building=collapsed" was present, I want to set
"earthquake:damage=collapsed_building" instead. This would touch about
815 objects.

Everywhere "earthquake:damage=collapsed_building" was present, I want to
add "building=yes" which seems logical and helps proper rendering. This
would touch 2290 objects.

All that seems logical to me, and I embarked upon doing it. I managed to
make clean selections and edit them - but then on uploading my changeset
would conflict with other data.

I tried to get http://labs.geofabrik.de/haiti/latest.osm.bz2 and then as
fast as I could (that is - not so fast on my four years old laptop) to
replace "building=collapsed" with "earthquake:damage=collapsed_building"
and then add "building=yes" everywhere
"earthquake:damage=collapsed_building" was set... And everytime a
conflict would prevent upload.

I tried again five times... I give up for now - I'm going to bed - feel
free to take it from there.

Am I doing something wrong ? Is JOSM the right tool for editing tags on
3k objects or is there another way I sould use ?


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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jean-Marc Liotier
Jonas Krückel wrote:
> Am 16.01.2010 um 00:08 schrieb Jean-Marc Liotier:
> [..]
>> "fixme:building=collapsed" looks like it should be 
>> "earthquake:damage=collapsed_building" - but maybe there is a
>> reason for "fixme" that I'm not aware of.
> [..]
> 
> Please have a look at the information here:
> http://wiki.openstreetmap.org/wiki/WikiProject_Haiti#Ithaca_Import 
> Please do not change this tags right now. We are still not sure how
> to work on further updates of the data and Ithaca might also still
> need this tags.

The text from the wiki at the above adresse :

---

After checking the data, please remove the fixme tags in front of the
other tags. Please keep the source tags.

To find data that needs fixing (data with FIXME= ), open the
ithaca-import-fixme.gpx from here in JOSM and zoom to the little crosses.

---

So yes, there is definitely a reason for "fixme" that I was not aware
of. I'll leave them alone !

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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jonas Krückel

Am 16.01.2010 um 00:08 schrieb Jean-Marc Liotier:

> Jonas Krückel wrote:
>> Am 15.01.2010 um 23:32 schrieb Jean-Marc Liotier:
>> 
>>> Talking about the ITHACA data set... I just took a look at the
>>> dedicated Haiti Tagstats and I just found that the import of
>>> "earthquake:damage" tags has been done with a value of
>>> "collapsed_buiding" that of course should be "collapsed_building" :
>> 
>> I think I've fixed it. Using http://www.petschge.de/osm/fixme_haiti/
>> and JOSM. No conflicts when uploading, 14xx objects changed.
> 
> Now we have :
> 
> tag   value   uses
> earthquake:damage collapsed_building  1,499
> fixme:buildingcollapsed   1,492
> building  collapsed   787
> earthquake_damage collapsed   2
> 
> Time for harmonization ?
> 
> "earthquake_damage" should obviously be "earthquake:damage".
> 
> "fixme:building=collapsed" looks like it should be
> "earthquake:damage=collapsed_building" - but maybe there is a reason for
> "fixme" that I'm not aware of.
> 
> "earthquake:damage=collapsed_building" is the ITHACA way. Should we
> convert all the "building=collapsed" to it ? I would say yes, because
> "collapsed" is not a type of building but a building attribute - the
> ITHACA way is semantically superior.
> 
> If no one is depending on "fixme:building=collapsed" or
> "building=collapsed" then I'll convert them. Does the map rendering of
> collapsed buildings such as http://zvenzzon.mine.nu:81/map.html
> understand "earthquake:damage=collapsed_building" ? Considering the
> number of icons represented, it would appear so.

Please have a look at the information here: 
http://wiki.openstreetmap.org/wiki/WikiProject_Haiti#Ithaca_Import
Please do not change this tags right now. We are still not sure how to work on 
further updates of the data and Ithaca might also still need this tags.

Jonas

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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jean-Marc Liotier
Jonas Krückel wrote:
> Am 15.01.2010 um 23:32 schrieb Jean-Marc Liotier:
> 
>> Talking about the ITHACA data set... I just took a look at the
>> dedicated Haiti Tagstats and I just found that the import of
>> "earthquake:damage" tags has been done with a value of
>> "collapsed_buiding" that of course should be "collapsed_building" :
> 
> I think I've fixed it. Using http://www.petschge.de/osm/fixme_haiti/
> and JOSM. No conflicts when uploading, 14xx objects changed.

Now we have :

tag value   uses
earthquake:damage   collapsed_building  1,499
fixme:building  collapsed   1,492
buildingcollapsed   787
earthquake_damage   collapsed   2

Time for harmonization ?

"earthquake_damage" should obviously be "earthquake:damage".

"fixme:building=collapsed" looks like it should be
"earthquake:damage=collapsed_building" - but maybe there is a reason for
"fixme" that I'm not aware of.

"earthquake:damage=collapsed_building" is the ITHACA way. Should we
convert all the "building=collapsed" to it ? I would say yes, because
"collapsed" is not a type of building but a building attribute - the
ITHACA way is semantically superior.

If no one is depending on "fixme:building=collapsed" or
"building=collapsed" then I'll convert them. Does the map rendering of
collapsed buildings such as http://zvenzzon.mine.nu:81/map.html
understand "earthquake:damage=collapsed_building" ? Considering the
number of icons represented, it would appear so.


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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Patrick Kilian
Hi all,

>> But I don't know yet how to perform mass edits to correct such
>> typo... Can anyone do that - and tell us how it is done ?
> 
> I think I've fixed it. Using http://www.petschge.de/osm/fixme_haiti/
> and JOSM. No conflicts when uploading, 14xx objects changed.
Looks good. Only 4 collapsed_buiding left.


Patrick "Petschge" Kilian

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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread John Smith
2010/1/16 Jean-Marc Liotier :
> But I don't know yet how to perform mass edits to correct such typo...
> Can anyone do that - and tell us how it is done ?

Use the search function in JOSM and just edit the tag in the tag pane.

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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jonas Krückel

Am 15.01.2010 um 23:32 schrieb Jean-Marc Liotier:

> Jonas Krückel wrote:
>> Am 15.01.2010 um 23:06 schrieb nicolas chavent:
>>>* ITHACA
>>>  o Data model from ITHACA shp
>>>  o Categories - Classes
>>>+ collapsed buildings
>>>+ damaged infrastructure
>>>+ landslide
>>>+ spontaneous camp 
>> 
>> This data has been imported and I already got newer data. Help and
>> suggestions for syncing and merging data in the future is needed.
>> 
>> More info on
>> that: http://wiki.openstreetmap.org/wiki/WikiProject_Haiti#Ithaca_Import
> 
> Talking about the ITHACA data set... I just took a look at the dedicated
> Haiti Tagstats and I just found that the import of "earthquake:damage"
> tags has been done with a value of "collapsed_buiding" that of course
> should be "collapsed_building" :
> 
> tag   value   usesnode
> earthquake:damage collapsed_buiding   1,496   1,495
> 
> But I don't know yet how to perform mass edits to correct such typo...
> Can anyone do that - and tell us how it is done ?

I think I've fixed it. Using http://www.petschge.de/osm/fixme_haiti/ and JOSM. 
No conflicts when uploading, 14xx objects changed.

Jonas
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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jean-Marc Liotier
Jonas Krückel wrote:
> Am 15.01.2010 um 23:06 schrieb nicolas chavent:
>> * ITHACA
>>   o Data model from ITHACA shp
>>   o Categories - Classes
>> + collapsed buildings
>> + damaged infrastructure
>> + landslide
>> + spontaneous camp 
> 
> This data has been imported and I already got newer data. Help and
> suggestions for syncing and merging data in the future is needed.
>
> More info on
> that: http://wiki.openstreetmap.org/wiki/WikiProject_Haiti#Ithaca_Import

Talking about the ITHACA data set... I just took a look at the dedicated
Haiti Tagstats and I just found that the import of "earthquake:damage"
tags has been done with a value of "collapsed_buiding" that of course
should be "collapsed_building" :

tag value   usesnode
earthquake:damage   collapsed_buiding   1,496   1,495

But I don't know yet how to perform mass edits to correct such typo...
Can anyone do that - and tell us how it is done ?

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Re: [OSM-talk] OSM Tagging for Haiti: Humanitarian Data Models in support of OSM tagging for Haiti EQ

2010-01-15 Thread Jonas Krückel

Am 15.01.2010 um 23:06 schrieb nicolas chavent:

> 
> Hi there
> 
> Here's a set of humanitarian data models for consideration in the making of 
> the OSM tags for the Haiti Operation to make our data easily readable and 
> interoperable with other established thematic data sets of relevance and used 
> by the hum mapping community in the response to the Haiti EQ.
> 
> [...]
> 
> See attached in html the UNOSAT and ITHACA data models from their last 
> releases.
> 
> Damage Assessment Data model in support of OSM tagging
> 
> UNOSAT
> Data model from UNOSAT KML
> IDP Sites
> Bridges
> Obstacles
> Operational Status
> Closed
> Restricted
> ITHACA
> Data model from ITHACA shp
> Categories - Classes
> collapsed buildings
> damaged infrastructure
> landslide
> spontaneous camp

This data has been imported and I already got newer data. Help and suggestions 
for syncing and merging data in the future is needed.
More info on that: 
http://wiki.openstreetmap.org/wiki/WikiProject_Haiti#Ithaca_Import

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