That's strange. Then again perhaps Map3D's implementation of this API behaves differently from its MapGuide counterpart.
Either way, what you want is the name of the raster property definition in the feature class. From your current MgLayerBase (lyr) you can get its class definition (lyr.GetClassDefinition()). In that class definition, loop through its property collection until you find one whose type is raster. The name of that property is what you want to pass into CLIP() - Jackie You wrote: Thank you Jackie! This is very helpful. Now I’m getting and Exception when executing the ISelect. I think it is because lyr.GetFeatureGeometryName() returns an empty string. -- *Please Note: I no longer create new posts or post replies to any OSGeo mailing list through nabble. As a result, you most likely won't see this message appear on nabble's view of any OSGeo mailing list and may only see this message through mailing list archives or depending on your mailing list subscription settings, through daily message digests or automated notifications from the mailing lists.*
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