[HOT] Issue with the HOT Export shapefiles and ArcGIS

Claire Halleux claire.halleux at hotosm.org
Wed Apr 1 07:38:14 UTC 2015

Hi Sev, TechWG and All,

It is indeed the same for all people using ArcGIS, after the export you
need to "define projection" for each shapefile created by the HOT Exports
tool and choose the Spherical Mercator projection (also called WGS 1984 Web
Mercator [Auxiliary Sphere] projection).
This issue has already been described by Fred Moine in this thread [1]. And
Mikel had already opened a thred on Github about it [2].
If the default export projection can't be changed within a short time, I
would advise we add at least a note on the Export page (or in a ReadMe
file) explaining the simple process solving the issue when using ArcGIS.
Because I agree that it deserves HOT in providing data which are not
exactly "ready to use" for the humanitarian community.



[1] https://lists.openstreetmap.org/pipermail/hot/2014-October/006311.html
[2] https://github.com/hotosm/hot-exports/issues/80

Claire Halleux
Volunteer and Member of the Board
+243 99 256 9980 (Kinshasa, DRC)
Humanitarian OpenStreetMap Team


On Tue, Mar 31, 2015 at 8:16 PM, Severin Menard <severin.menard at gmail.com>

> Hi,
> Am I the only one experiencing a projection issue in ArcGIS with the
> shapefiles made by the HOT Exports? The (deprecated) EPSG:3785 is not
> recognized by ArcGIS (but is by QGIS), therefore the shapefiles are not
> projected. I do not use ArcGIS but I expect a huge majority of GIS officers
> in humanitarian organization rely on it, so this issue is really a "killer
> costumer". The tip I found is to display the shapefile first in QGIS then
> save it in any other CRS (Coordinate Reference System), but it is obviously
> satisfying for the (many) people with ArcGIS only. I think EPSG:3785 should
> be changed by EPSG:3857 anyway if we continue to rely on this projection
> for GIS files. GReat it is tagged as a "must" (fix). Who would be
> interested to dig in? I can provide the information text for any techy not
> completely familiar with CRS, if needed.
> Sincerely,
> Severin
> _______________________________________________
> HOT mailing list
> HOT at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/hot
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