On 10-12-06 06:13 PM, iomeneandrei wrote:
Hi Frank,
Frank Warmerdam wrote:
I am not aware of a way to do this from the commandline utilities.
could I use the -nlt parameter of ogr2ogr and force POLYGON? If no, what's
the "power" of -nlt parameter?
Andrea,
Reviewing the ogr2ogr code I see this does trigger a call to forceToPolygon()
though *mostly* it exists to set the type of the created layer. So, yes,
-nlt polygon with ogr2ogr may well do what you want.
Note that in a format like Shapefile there is no clear distinction
between polygon and multipolygon, so the geometries are reclassified on
read. So -nlt polygon to a shapefile and then reading it back with ogr
will still result in multipolygons if that is the nature of the rings.
You should have better luck with a more simple features oriented format
like GML.
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, warmer...@pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent
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