I am rendering a point cloud in WPF using PointsVisual3D and Point3DCollection. This all works well, and I now want to put a set of 3 principal plane-oriented 3D ellipses into the view as a set of reference circles. I am currently using 3 EllipsoidVisual3D objects with two of the radii set to 1 and the third set to zero to accomplish this, but I have a couple of problems
- I can't seem to change the fill color. I have tried using the material and/or Fill properties for this, but nothing seems to affect the default (black) color
- I would really like to have these objects be rings instead of disks, so they obscure as few data points as possible, but I can't figure out how to do this, either :-(
Any thoughts or pointers would be appreciated.
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