[HOT] Bug in HOTOSM export

Brian O'Hare bjohare at gmail.com
Thu Dec 3 11:40:22 UTC 2015


Hi Severin,

Yes that's true as well... please add as an issue in github.

thanks,

Brian.

On 3 December 2015 at 11:34, Severin Menard <severin.menard at gmail.com>
wrote:

> Hi,
>
> I also noticed the thematic layers are full of unnecessary (because empty)
> fields that it would be good to remove. Eg if you check the attribute table
> for the building shp layer.
>
> Sincerely,
>
> Severin
> Le 3 déc. 2015 12:30, "Brian O'Hare" <bjohare at gmail.com> a écrit :
>
>> Hi Blake, John,
>>
>> I think the issue here is that there is a great degree of overlap between
>> the HDM and OSM models. The thematic layer generation looks for a subset of
>> tags and sorts them thematically. Because of the overlap between the two
>> models its very likely that choosing either of the models will result in
>> the same attributes being exported in the thematic shapefile, making it
>> seem as if there's a bug in the link code. The thematic layer generation
>> stuff could probably do with some refinement to account for the differences
>> in the export models.
>>
>> Hope that makes sense!
>>
>> cheers,
>>
>> Brian.
>>
>>
>> On 3 December 2015 at 02:19, Blake Girardot <bgirardot at gmail.com> wrote:
>>
>>> Hi John,
>>>
>>> Thank you for the feedback.
>>>
>>> I will take a look at it. I am not sure the thematic version takes the
>>> tags from the tag selection tree into account at all as I originally
>>> developed the thematic versions outside of the export tool and just
>>> suggested my ogr2ogr scripts to Brian so we could also offer that thematic
>>> breakout as part of the export tool.
>>>
>>> Maybe we could talk directly so I could better understand how we could
>>> create the thematic layers based on the tag selections and have it still be
>>> useful to you as a user of the export tool and shapefiles.
>>>
>>> cheers,
>>> Blake
>>>
>>>
>>>
>>>
>>> On 12/2/2015 4:33 PM, John Gordon wrote:
>>>
>>>> I have been using the  HOTOSM export utility ( export.hotosm.org ),
>>>> which I find extremely useful, however, I think I have come across a bug
>>>> while downloading shapefiles.  I download in both the Esri SHP (OSM
>>>> Schema) and Esri SHP (Thematic Schema)  file formats and in both the
>>>> Humanitarian Data Model and OSM Data Model tree tags.  Using the OSM
>>>> schema I get the expected unique downloads using the different Tree Tags
>>>> but when I use the Thematic Scheme I get what appears to me to be
>>>> identical downloads from both the Humanitarian and OSM Tree Tags (I
>>>> believe it is the OSM  download).  It looks like someone has mistakenly
>>>> entered the wrong link for the Humanitarian tree tag.
>>>>
>>>> John Gordon
>>>>
>>>> 1506—350 Queen Elizabeth Drive
>>>>
>>>> Ottawa, Ontario, Canada K1S 3N1
>>>>
>>>> Email: jgordon at gri.ca <mailto:jgordon at gri.ca>
>>>>
>>>> Websites: www.sustainableworld.com <http://www.sustainableworld.com>
>>>> www.gri.ca <http://www.gri.ca>
>>>>
>>>>
>>>>
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