Got it. I'll use the ConformingDelauneyTriangulation and will feed it
Segment objects for the breaklines and boundaries. We'll see what comes out
the other end.
Doesn't look like JTS has a Constrained Delauney Triangulation yet?
Landon
On Mon, Jul 1, 2013 at 3:17 PM, Landon Blake
<[email protected]>wrote:
> 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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