[pstricks] 3D surface on non rectangular domain

[Herbert Voss]

Am 04.03.2017 um 13:56 schrieb leon.free at free.fr:

> As with Manuel solution, yours also draws a line between the z-axis and the center of the ball on which the surface is draw. You can clearly see it by changing viewpoint to 50 340 20. Your test file with this value (see attached pdf produced when I compile it after copying pst-solides3d.tex, pst-solides3d.pro and pst-implicitsurface.pro on my system):

Try again with the attached pst-solides3d.pro. It should work and
then replace it with the current one in
/usr/local/texlive/texmf-local/dvips/pst-solides3d.pro

\documentclass{article}
\usepackage{pst-solides3d}
\begin{document}
\psset{viewpoint=50 340 20 rtp2xyz,Decran=100,lightsrc=viewpoint}
\begin{pspicture}(-5,-4)(6,10)
\psSolid[object=grille,base=-2 2 -2 2,action=draw]%
	\axesIIID(0,0,0)(2,2,1)
	\psSurface*[
	fillcolor=cyan,r=1,xytranslate=0.5 0.5,
	ngrid=.25 .25,incolor=yellow,grid,
	algebraic](-1,-1)(1,1){ e^(x*y) }
\psSolid[object=cylindre,r=1,h=4,action=draw,ngrid=1 18](0.5,0.5,0)
	\psPoint(0,0,1){O}
	\psPoint(0,0,5){Z}
	\psline{->}(O)(Z)
	\uput[r](Z){$z$}
	\psPoint(0.5,0.5,0){C}
	\psdot[linecolor=red,dotstyle=x,dotscale=2](C)
\end{pspicture}
\end{document}

Herbert
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