[pstricks] Re: clipping in PSTricks
Herbert Voss
Herbert.Voss at gmx.net
Sun Apr 10 19:53:03 CEST 2005
El Bandolero wrote:
> In this example I'd like to color gray the region between the parabula and
> horizontal axis, but it doesn't work
you need a closed path
Herbert
\documentclass{article}
\usepackage{pstricks}
\usepackage{pst-plot}
\psset{linewidth=0.4pt,hatchwidth=0.4pt,hatchsep=5pt}
\def\pshlabel#1{\footnotesize #1}
\def\psvlabel#1{\footnotesize #1}
\begin{document}
\begin{pspicture}(-3,-3)(3,3)
\pscustom[fillstyle=solid,fillcolor=lightgray,linestyle=none]{%
\psline(-2,0)(2,0)
\psplot{2}{-2}{2 x 2 exp sub}
}
\psframe*[linecolor=white](-2,-2)(2,0)
\psplot[linecolor=red,linewidth=1pt]{-2}{2}{2 x 2 exp sub}
\psaxes{->}(0,0)(-3,-3)(3,3)
\end{pspicture}
\end{document}
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