Hi Stefan,
How about com.vividsolutions.jts.operation.polygonize? That seems to be
what it was intended to do.
regards,
Larry
On Thu, Jul 10, 2008 at 7:21 PM, Stefan Steiniger <[EMAIL PROTECTED]> wrote:
> Hei,
>
> Today I started some work on analysing and later generalising (i.e.
> simplification) of polygon layers where the polygons form a mosaic
> (tesselation). So any operation on the boundaries requires that
> topologic neighbourhood must be observed. I.e. to simplify an outline I
> need to simplify the common boundary of two polygons.
>
> I have now written a "polygon neighborhood graph" and try now to extract
> the common boundary. Unfortunately the Jts intersection command results
> in linestrings that are rather line segments. So I need to paste them
> together again. Does anybody knows a function for that?
>
> I tested union, and it seems to create again a MultiLineStrings instead
> of a unified line. The only tool that comes to my mind so far is Larry's
> /ISA's "blend lines".
>
> Any other suggestions?
>
> Stefan
>
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