Thanks Michael,
to clarify, by "complex" I mean a polygon that self-intersects.
as shown here:
http://commons.wikimedia.org/wiki/File:Complex_polygon.svg
And I would like to split this up into the minimal number of simple
polygons (simple = does not self-intersect..)
How would I do that programmatically?
2014-04-26 1:08 GMT+02:00 Michael Michaud <[email protected]>:
> Hi Bernhard,
>
>
> I'm new to the JTS Topology suite and couldn't figure out the steps to
> take..
>
> Btw.. I hope this is the right list to ask questions about JTS.
>
> There is also a more specific JTS list at
> [email protected]
> but if you use JTS with OpenJUMP workbench this list is perfect
>
>
> So, my problem is, I have a complex polygon and I would like to split it
> into several simple polygons, using the JTS framework..
>
> Through OpenJUMP UI, you must
> - make your layer editable
> - select the feature
> - right click in the map and choose "explode selected features"
>
> Programmatically, you can iterate through a geometry collection like this :
> List<Geometry> geometries = new ArrayList<Geometry>();
> for (int i = 0 ; i < geom.getNumGeometries() ; i++) {
> geometries.add(geom.getGeometryN(i));
>
> }
>
>
> Does JTS allow that kind of operation? Which classes should I look at to
> do such a thing?
>
> Thanks in advance, any help is appreciated,
>
> Hope that helps,
>
> Michaël
>
>
> Bernhard
>
>
>
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