On 08.04.2024 0:24, Kenneth wrote:

> Yes, it is a mighty big problem to try and solve! (3D SLICER's algorithm changes
> them into voxels first-- somehow. But even there, the ultimate voxel-to-triangle
> conversion can be a bit...strange... when individual 'naked' voxels are
> processed that do not have surrounding neighbors.)

I don't see much problems in turning layers of pixels (which you have 
already) into voxels. What as to turning this voxel volume into surface 
mesh - that's where the problem is. I took a quick look at some stuff 
used for this in scientific area - it's definitely not a simple trick I 
was thinking of. Still, I promise to think of a simple trick some more :-)

> least ONE sliced image. I *should* end up with another image that has just a
> white-pixel shell, at only the outer surfaces of the white object as well as at
> holes and voids.

Well, turning BW slice into BW contour is, most likely, not a big 
problem (going to try some ideas when I have more time), but I'm 
thinking of making some external program rather than using POVRay for 
that. With POVRay, I'm not so much experienced with SDL to see the solution.

"But we keep our experiments going, for human health is our primary 
goal" (c)

Ilyich the Toad
https://dnyarri.github.io/

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