Guillaume Sueur wrote:
Weird to say why it doesn't work when you don't know yourself what it
should really do...

This option (and not function) is designed to extract a specific extent
of your input data when using ogr2ogr.

Actually it SHOULD work as I use it really often. Check your
data/values/result, and provide more precise test case if it doesn't.

Folks,

The only thing I might add is that -spat does not actually clip
the returned geometries.  It returns all features whose geometries
touch the selection region but it returns the geometries intact, not
clipped.

Lionel, I think you will need to supply a specific example that
is not working for us to followup.  I will say that the spatial
filtering is done by the individual driver and there is always the
chance that some drivers do not do it properly.

Best regards,

GOUBET LIONEL a écrit :
Hi,

How use the options –spat XMIN YMIN XMAX YMAX ?

I try but it doesn’t work … All data layer is returned (same if I add in
a table these columns).

What’s the problem ? What’s the utility of this focntion ?

Thanks you



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