Hello.
Short answer: The "geometry" package of "Commons Math" will
be deprecated, as we currently work on a new component:
https://gitbox.apache.org/repos/asf?p=commons-geometry.git
There is no official release yet, but you should definitely test it.
Best regards,
Gilles
P.S. We seek help in order to release this component ASAP... ;-)
2019-09-23 9:12 UTC+02:00, Steven Fontaine <sir.fon1...@gmail.com>:
> Hi, I have a (hopefully) simple question regarding constructing a
> PolyhedronsSet using the constructor PolyhedronsSet(List<Vector3D>
> vertices, List<int[]> facets, double tolerance). Currently I have the
> following code to construct a simple tetrahedron:
>
> List<Vector3D> verts = Arrays.asList(new Vector3D(0, 0, 0), new Vector3D(0,
> 1, 1), new Vector3D(1, 1, 0), new Vector3D(1, 0, 1));
> List<int[]> facets = Arrays.asList(new int[] {0, 3, 1}, new int[] {3, 2,
> 1}, new int[] {2, 1, 0}, new int[] {3, 2, 0});
> PolyhedronsSet set = new PolyhedronsSet(verts, facets, 1e-10);
>
> To the best of my knowledge, according to the documentation for this
> constructor, the previous code should be right. However, it obviously
> isn't. I'm getting the following error:
>
> org.apache.commons.math3.exception.MathIllegalArgumentException: facets
> orientation mismatch around edge joining points (0, 0, 0) and (1, 0, 1)
>
> at
> org.apache.commons.math3.geometry.euclidean.threed.PolyhedronsSet.successors(PolyhedronsSet.java:403)
> at
> org.apache.commons.math3.geometry.euclidean.threed.PolyhedronsSet.buildBoundary(PolyhedronsSet.java:274)
> at
> org.apache.commons.math3.geometry.euclidean.threed.PolyhedronsSet.<init>(PolyhedronsSet.java:131)
> at ...
>
>
> So, my question is, what am I doing wrong? If it's something more complex
> than can easily be explained via email, feel free to link me to some
> articles which might help. (Preferably articles which someone with very
> limited experience with BSP trees and such could understand.)
>
> Thanks for your time. -Steven
>
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