[pstricks] pst-solides3d and parametric surfaces
Leon Free
leon.free at free.fr
Mon Jul 11 18:00:42 CEST 2011
Hi
I'd like to intersect a vertical plane P and a surface S in such a way
that (with the current viewpoint) the part of P which lies behind the
surface is hidden by S
that's easy to do when the plane is parallel to one of the
axes. Assume P is parallel to the x-axis and intersect the y-axix at
y_0
1. draw the surface for all (x,y) with y<y_0
2. draw the plane
3. draw the surface for all (x,y) with y \geq y_0
I cant figure out the way to obtain the same result when P is
arbitrary (but vertical)
I tried something with object=surfaceparametree but did not succeed in
producing what i want
any idea ?
thanks
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