I am looking into using the triangulation classes provided by the JTS Topology
Suite. I've scanned the Javadoc and there appears to be a couple of different
classes and approaches that can be used for this purpose, I'm not sure about
the best way to proceed. Is there example code or a tutorial that you would
recommend? I took a quick look through the 1.13 download, but nothing jumped
out.
Currently, I am looking at terrain surface elevation data collected using
lidar. All coordinates are in a projected coordinate system. For my purposes,
that means that the horizontal coordinates are isotropic and can be treated as
simple points on a Cartesian plane. In the first phase of my research, I am not
worrying about break lines or other constraints, so can work with an ordinary
Delaunay Triangulation. Later on, I will want to consider constraints.
One of my concerns is making sure I pick the API approach that is most
efficient in terms of processing and economical in its use of memory. I see
that in the DelaunayTriangulationBuilder, there are two setSites methods, one
that takes objects of type Geometry and one that takes objects of type
Coordinate. Is there a lot of overhead related to the Geometry approach?
Would using Coordinate be better? And is DelaunayTriangulationBuilder the right
class to be looking at?
Gary
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