[gdal-dev] confused about coordinate dimension

[Richard Greenwood]

In Python, I want to find the coordinate dimension of my source. For
example, with a postgis table with geometry(MultiLineStringZM,4326). My
Python:

in_lyr = in_ds.ExecuteSQL(select)
feature0 = in_lyr.GetNextFeature()
feature0_geom = feature0.GetGeometryRef()
feature0_geom.GetGeometryType()        # 3005
ogr.GeometryTypeToName(3005)            #  '3D Measured Multi Line String'
feature0_geom.GetCoordinateDimension()  # 3

Based on:
https://gdal.org/en/stable/api/vector_c_api.html#_CPPv425OGR_G_CoordinateDimension12OGRGeometryH
I am expecting the coordinate dimension to be 4. Am I approaching this
incorrectly?

-- 
Richard W. Greenwood
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