Here is a try to empty a cylinder, still random intersection problem depending on angle. I made some cheats but some times the number of intersection point gives an error instread of giving 0. I can ...
I would like to add fore-edge painting to the edge of each page, so that when the pages are fanned, it reveals text or an image. It seems it would be easy enough to slice up an image(Tikz/PGF), or ...
How to apply this Tikz solution (Rounded corners only at one side of a TikZ node) to have the same effect on clipping? I want to clip things (images) using that rectangle with differently rounded ...
This two questions have been answered sepatly it should be interesting to be able to shade a region using previously named path. Is there a possibility to combine this two macros ? ...