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authorKarl Berry <karl@freefriends.org>2018-07-19 22:55:42 +0000
committerKarl Berry <karl@freefriends.org>2018-07-19 22:55:42 +0000
commit8a7ec1021a1ed4ece8c842a258680c18becc74e8 (patch)
tree6f3bba45ae9483fb4721bfbb86bc029e16a3743b /Master/texmf-dist/doc/generic/pst-contourplot/examples/exemples-2.tex
parent650a28baf6493c8072fcb2773ec4c814ce407982 (diff)
pst-contourplot (18jul18)
git-svn-id: svn://tug.org/texlive/trunk@48230 c570f23f-e606-0410-a88d-b1316a301751
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+\documentclass[pstricks]{standalone}
+\usepackage{pst-contourplot,multido,pst-math}
+\begin{document}
+\begin{pspicture}[showgrid](-4,-4)(8,4)
+\pstVerb{/ai 2 def}%
+\psset{a=0.1}% ncell=150 80,
+\multido{\n=-3.50+0.25,\r=0+0.0476}{21}{
+\definecolor{Descartes}{hsb}{\r\space 1 1}
+\psContourPlot[linecolor=Descartes,function=
+ -0.75 x dup mul y dup mul add sqrt mul
+ 1.25 x ai sub dup mul y dup mul add sqrt mul add
+ \n\space add](-4,-4)(8,4)}
+\psline{<->}(0,4)(0,0)(8,0)
+\uput[d](0,0){$O_1$}
+\uput[l](0,3.75){$y$}
+\uput[u](7.9,0){$x$}
+\psdots(!ai 0)(0,0)
+\uput[d](!ai 0){$O_2$}
+\end{pspicture}
+
+\begin{pspicture}[showgrid=false](-4,-4)(8,4)
+\pstVerb{/ai 2 def}%
+\psset{a=0.1}
+\multido{\n=-3.50+0.25,\r=0+0.0476}{21}{
+\definecolor{Descartes}{hsb}{\r\space 1 1}
+\psContourPlot[linecolor=Descartes,fillcolor=Descartes,Fill,
+ function=
+ -0.75 x dup mul y dup mul add sqrt mul
+ 1.25 x ai sub dup mul y dup mul add sqrt mul add
+ \n\space add](-4,-4)(8,4)}
+\end{pspicture}
+
+\begin{pspicture}(-5,-5)(5,5)
+\psframe*[linecolor=cyan](-5,-5)(5,5)
+\psset{unit=0.5}%
+\psContourPlot[linecolor=red,Fill,fillcolor=yellow,ReverseColors,a=0.05,function=x SIN y SIN 1 sub mul y SIN mul x SIN 1 sub mul](-10,-10)(10,10)
+\end{pspicture}
+
+\begin{pspicture}(-6.28,-6.28)(6.28,6.28)
+% http://www.ensiie.fr/~gacogne/courbes.pdf
+\psframe*[linecolor=cyan](-6.28,-6.28)(6.28,6.28)
+\psset{unit=0.5}%
+\psContourPlot[a=0.05,linecolor=red,Fill,fillcolor=yellow,ReverseColors,
+ function=y SIN x COS mul x SIN sub
+ x SIN y COS mul y SIN sub mul](-12.57,-12.57)(12.57,12.57)
+\end{pspicture}
+\end{document}
+
+