I have been trying to figure out how to make a globe emit volumetric lights.
I thought that it would be a cool effect for a tv logo I want to do.
A rotating globe that has beams of light coming out of the continents.
So far I have tried four different approaches and I am wondering if there is another way.
texture mapped a sphere with a earth spec map that I have… Worked fine for the alpha but didn’t allow shadow buffers for volumetric lights.
I took Inkscape and bitmap traced the spec to get a decent path that I imported into blender. Then I was able to warp it to a tube. But couldn’t get it into a sphere.
I tried to select the vertices’s with vertice paint or weight painting and then deleting them but it was too inaccurate.
I tried the radio tool but I think that it isn’t for modeling with? I was hoping that it would delete the vertices’s where there was alpha.
Any other suggestions? Thanks