i am Intersecting to MultiPolygons and get a OGRGeometry which sometimes
contains a OGRGeometryCollection depending on the complexity of the
overlap. Now i'd like to iterate over the Geometries in the collection
but the OGRGeometry Class does not have the ->removeGeometry or
->getGeometryRef so i'd need to cast the OGRGeometry to a
OGRGeometryCollection. I saw that gdal 2.3 does have a
->toGeometryCollection but i am on Debian/Stretch which has gdal 2.1 
so i am lost on how to extract the geometries of the GeometryCollection
in an OGRGeometry object.

Florian Lohoff                                                 f...@zz.de
             UTF-8 Test: The 🐈 ran after a 🐁, but the 🐁 ran away

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