[gdal-dev] promote_to_multi and python API

[Even Rouault]

Martin,

> 
> <kai.muehlbauer at uni-bonn.de> napsal:
> > not sure if this helps you, but "PROMOTE_TO_MULTI" can be added as
> > option with several OGR functions with the Python API (eg. Intersection,
> > Update, Identity etc.).
> 
> yes, thanks for pointing this out. But it seems to be not possible for
> CopyLayer() which is the problem in my case.

CopyLayer() is for simple/straightforward conversions. For more advanced 
options, use gdal.VectorTranslate(), the API version of ogr2ogr

(Or you could do the hwole process at hand, and use the 
Geometry.ForceTo(geom_type) API, but you'll likey be much happier using 
gdal.VectorTranslate())

Even

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