Imagine I create a 3D texture map. Let's say I'm flexible as to how exactly it's represented on disk, the point is I have something that assigns a number or RGB triplet of numbers to every point on a sphere. Is there any free software on Linux that I can use to visualize this on a globe? I'd like to still be able to see things like country borders and names, but have my texture map overlaid on the globe at 50% opacity. I'd like to be able to interact with the visualization, zooming in and out and turning the globe.
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Most GIS use is about the analysis itself; not many users have spherical surfaces on which to drape their plots, so I doubt there's much development around this. I've seen exactly one display like this, in a science museum, and it probably took some major underwriting to complete (there were dozens of projectors to illuminate portions of the surface; the optics would have to be incredible). – Vince Jun 23 '21 at 01:09
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@Vince Er... no, I was picturing more like a virtual 3D model of a globe, not a literal physical one with projectors. – Jack M Jun 23 '21 at 09:26