[gdal-dev] raster to polygon

Chaitanya kumar CH chaitanya.ch at gmail.com
Thu Feb 25 22:01:42 EST 2010


Xiaodong,

Have you tried the gdal_polygonize.py script (
http://www.gdal.org/gdal_polygonize.html)? Since your raster is classified,
this should work nicely.

On Fri, Feb 26, 2010 at 3:38 AM, Xiaodong Zhang <xiaodong.zhang2 at und.edu>wrote:

> Hi,
>
> Currently, I'm using gdal and ogr to convert a map after classification
> into a point shape file. Since the classification map typically consists of
> zones, a polygon shape file would make more sense. I'm wondering if anyone
> would know or share the idea of how to convert a map into a polygon shape
> file directly.
>
> Thanks
> Xiaodong
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> gdal-dev at lists.osgeo.org
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>



-- 
Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
+91-9848167848
17.241582N 80.142635E
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