Thanks Martin. I'll take another look at the code/Javadoc with the
information you provided.
Landon
On Mon, Jul 1, 2013 at 1:40 PM, Martin Davis <[email protected]> wrote:
> 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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