The problem with this approach is it prohibits zoom. If I want to focus on a specific area for inspection I can not just zoom as then my entire field of view would be covered.
> 'm going further down the rabbit-hole: Why not make meshes and slice them with the new cutting operation from 4.13. Just figure out a sorting algorithm so that the caps don’t intersect. For medical representation that seems far more efficient.
This is much better done with the shader where you simply hide the pixels that you dont need.