The constraints are linear edges, represented by the Segment class. The
method ConformingDelaunayTriangulator.setConstraints sets them for use in
building the triangulation.
Note that the constraints are not ultimately representing exactly in the
triangulation. This is explained in the CDT Javadoc.
On Mon, Jul 1, 2013 at 10:55 AM, Landon Blake
<[email protected]>wrote:
> I'm helping my nephew Julian with a Google Summer of Code Project. He is
> attempting to continue our work on JTIN from a couple of years ago, so we
> can add TIN support to GeoTools.
>
> As part of our work on JTIN we've designed a library that supports
> multiple algorithms for the calculation of triangles that make up a TIN. To
> get started, we are trying to reuse as much code as we can. I wanted to
> have our first supported triangulation algorithm in the library come from
> JTS. (I've got one alternative algorithm in mind that we'd like to add
> later this summer if we have time.)
>
> Here is my question:
>
> Are the constraints supported by the ConformingDelaunayTraingulator class
> in JTS essentially breaklines and boundaries?
>
> This is how surveyors tend to think about constraining TINs. I poked
> around the source code for a bit this morning, but I couldn't find an
> immediate answer to this question.
>
> Thanks for any help.
>
> Landon
>
>
>
>
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