[gdal-dev] Polygon topology

[Chaitanya kumar CH]

Simon,

You can use the OGRPolygon::getNumInteriorRings() method to get the number
of holes in an OGR polygon object.

On Tue, Mar 8, 2011 at 2:27 PM, Simon Lyngby Kokkendorff
<silyko at gmail.com>wrote:

> Hi List,
>
>   I am using ogr via the python bindings to construct various polygons.
> Here's just a simple question, to which someone might have some input. Is
> there anyway to determine the topology, i.e. the number of holes, of a
> polygon without e.g. having to export to WKT and examining the output
> string. There doesn't seem to be any methods exposed in the bindings to do
> this directly?
>
>   Cheers,
>   Simon Kokkendorff,
>   National Survey and Cadastre of Denmark
>
>
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>



-- 
Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
+91-9494447584
17.2416N 80.1426E
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