[pstricks] 3dplot -- contour of a function

[Marco Daniel]

  Hello,

I have an example which I want to create with pstricks:

\documentclass{scrartcl}

\usepackage[ngerman]{babel}

\usepackage[utf8]{inputenc}

\usepackage[T1]{fontenc}

\usepackage{amsmath}

\usepackage{tikz}

\usepackage{pgfplots}

\begin{document}

\begin{tikzpicture}

\begin{axis}[colormap/cool] \addplot3[surf,samples=10,domain=0:1,

shader=interp]

{x*y}; \end{axis}

\end{tikzpicture}

\begin{tikzpicture}

\begin{axis}[colormap={bw}{gray(0cm)=(0); gray(1cm)=(1)}]] 
\addplot3[surf,samples=10,domain=0:1,

shader=interp]

{x*y}; \end{axis}

\end{tikzpicture}

\end{document}


You can see that there is a 3d-plot without any lines. Here I specified 
the colormap to plot the function. I know the website
http://tug.org/PSTricks/main.cgi?file=pst-plot/3D/contour

I hope you know what I mean :-)

regards
Marco
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