Yup. Fog is definitely your least expensive option. RGB coloring groups points together nicely, but until you move it, you can't tell what's in front of what unless you're the person who wrote the color encoding... :-)
Clifford Lyon wrote:
I thought of that too, but haven't used it either. That might work nicely. Thanks for the suggestion.
Changing the color works, but I'd have to recolor for rotation... which might be expensive, not sure. Basically I'd be doing what the normals would do for a directional light.
For now, what I did is use the x,y,z coordinates in the plot as RGB values as well. So in some sense, the visualization is redundant - but the color provides a nice depth cue.
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