[gdal-dev] vector layer with Z coordinate - report extent in 3D

[Ricardo Filipe Soares Garcia da]

Hi list

Is there some brief way to get the Z extent of a vector layer? I mean
something analogous to the Layer.GetExtent() method, but which would
retrieve the extent of the Z coordinate?

OTherwise, it seems like I need to iterate over all features of the layer
and keep the min/max Z values. Shall this be a good tactic for retrieving
the Z extent of a vector?


Thanks in advance

-- 
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Ricardo Garcia Silva
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