[gdal-dev] Problem with Shapefile and CRS 2056/21781

[Stefan Keller]

2016-04-24 17:34 GMT+02:00 Even Rouault <even.rouault at spatialys.com>:
> Could you post the .prj file ?

Bien sur: I posted both CRS.
Hope attachments come through.

:Stefan


2016-04-24 17:34 GMT+02:00 Even Rouault <even.rouault at spatialys.com>:
> Le dimanche 24 avril 2016 17:29:36, Stefan Keller a écrit :
>> Given a Shapefile "swiss_admin_boundaries.shp" in EPSG:2056 (or 21781,
>> to be downloaded for free at [1]) I have problems transforming it to
>> any other SRS/CRS.
>
> Could you post the .prj file ?
>
>>
>> When doing this:
>> > ogr2ogr -f "GPKG" swiss_admin_boundaries1.gpkg swiss_admin_boundaries.shp
>> > -t_srs EPSG:3857
>>
>> ... swiss_admin_boundaries2.gpkg have a shift of about 150m.
>>
>> But when I convert Shapefile first e.g. to GeoPackage, and transform then:
>> > ogr2ogr -f "GPKG" tmp.gpkg swiss_admin_boundaries.shp
>> > ogr2ogr -f "GPKG" swiss_admin_boundaries2.gpkg tmp.gpkg -t_srs EPSG:3857
>> > del tmp.gpkg
>>
>> ... swiss_admin_boundaries2.gpkg is correct!
>>
>> What could be the reason?
>>
>> :Stefan
>>
>> [1] https://opendata.swiss/en/dataset/swissboundaries3d-gemeindegrenzen
>> _______________________________________________
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>> gdal-dev at lists.osgeo.org
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>
> --
> Spatialys - Geospatial professional services
> http://www.spatialys.com
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