[pstricks] \psSurface
robert.fischer10 at arcor.de
robert.fischer10 at arcor.de
Fri Aug 7 22:53:00 CEST 2009
Hello,
do you know why the intersection line of the surface below looks so strange? See attachment...
Minimal Example:
\documentclass{minimal}
\usepackage{pst-pdf}
\usepackage{pst-solides3d}
\usepackage{pst-3dplot}
\usepackage{datatool}
\pagestyle{empty}
\begin{document}
\psset[pst-solides3d]{lightsrc=viewpoint,
lightintensity=1.2,Decran=15}
%Algebraic Function
\def\MyFuncAlg#1#2{1.5*sin(#1*x)*cos(#2*y)}%Already in RAD
\begin{pspicture}(-5.5,-8)(6,2)
% \psgrid[gridcolor=gray,subgridcolor=lightgray]
%Axes
\DTLadd{\MyValue}{\psPiTwo}{0.5}
\axesIIID[showOrigin=false,axisnames={x,t,y},
arrowinset=0,arrowscale=1.5](0,0,0)(\MyValue,\MyValue,1.8)
%Surface
\psSurface[ngrid=.3 .3,fillcolor=gray,incolor=gray!25,
linecolor=gray!50,linewidth=0.1\pslinewidth,
intersectionplan={[0 0 1 0]},
intersectioncolor=(noir),
intersectionlinewidth=3,
intersectiontype=0,
algebraic
](0,0)(\psPiTwo,\psPiTwo){\MyFuncAlg{1}{1}}
\end{pspicture}
\end{document}
Best regards,
robert.
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