Hi,
I am currently working on exporting some data (an adjacency graph with
nodes described by an id (integer), an OGRGeometry and some other fields
(string and real) into a file. I choose to export the adjacency relation
as an IntegerList field (for each node, the list contains the id of all
the adjacent nodes). It works for several file type (KML, GML, SQLite,
but not shapefile as it doesn't support IntegerList field type).
Everything works fine and the output files contains all the data that I
want.
The problem comes when I want to do the opposite. When I open a file
that I precedently wrote, the IntegerList give me some trouble. The
field description is actually in the OGRFeatureDefn but the
feature->GetFieldAsIntegerList ("name", &size) method returns a NULL
pointer.
Is there a specific procedure to handle IntegerLists ? Or is it an
unsupported feature ?
Thanks,
Bruno Belarte
PS : I work with C++ and gdal 1.9.0 on ubuntu 12.04 64bits
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