#30645: GEOSGeometry incorrectly transforms geometry.
-------------------------------------+-------------------------------------
     Reporter:  Yury Ryabov          |                    Owner:  nobody
         Type:  Bug                  |                   Status:  closed
    Component:  GIS                  |                  Version:  master
     Severity:  Normal               |               Resolution:
                                     |  worksforme
     Keywords:  SRID, geometry,      |             Triage Stage:
  GIS, GEOS                          |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by Sergey Fedoseev):

 * cc: Sergey Fedoseev (added)


Comment:

 This is caused by breaking changes in GDAL 3:
 
https://github.com/OSGeo/gdal/blob/f6a8ae04245e00927e5d1d70ea97c32b83923614/gdal/MIGRATION_GUIDE.TXT#L7-L12


 {{{
 In [1]: from osgeo import gdal, ogr
    ...: from osgeo.osr import SpatialReference, CoordinateTransformation
    ...:
    ...: g = ogr.Geometry(wkt='POINT (37 51)')
    ...:
    ...: source = SpatialReference()
    ...: source.ImportFromEPSG(4326)
    ...:
    ...: dest = SpatialReference()
    ...: dest.ImportFromEPSG(3857)
    ...:
    ...: g.Transform(CoordinateTransformation(source, dest))
    ...: print(g)
    ...:
    ...: source.SetAxisMappingStrategy(0)
    ...: dest.SetAxisMappingStrategy(0)
    ...: g = ogr.Geometry(wkt='POINT (37 51)')
    ...: g.Transform(CoordinateTransformation(source, dest))
    ...: print(g)
 POINT (5677294.03045695 4439106.78725058)
 POINT (4118821.15935112 6621293.72274017)
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/30645#comment:5>
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