summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/generic/pst-contourplot/examples/trefoil.tex
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/doc/generic/pst-contourplot/examples/trefoil.tex')
-rw-r--r--Master/texmf-dist/doc/generic/pst-contourplot/examples/trefoil.tex19
1 files changed, 19 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/generic/pst-contourplot/examples/trefoil.tex b/Master/texmf-dist/doc/generic/pst-contourplot/examples/trefoil.tex
new file mode 100644
index 00000000000..cb6a29db4e2
--- /dev/null
+++ b/Master/texmf-dist/doc/generic/pst-contourplot/examples/trefoil.tex
@@ -0,0 +1,19 @@
+\documentclass{article}
+\usepackage{pst-contourplot,animate}
+
+\begin{document}
+\begin{animateinline}[controls,palindrome,
+ begin={\begin{pspicture}(-4,-4)(4,4)},
+ end={\end{pspicture}}]{10}% 10 images/s
+\multiframe{20}{r=4+-0.1}{%
+\psframe*[linecolor=orange](-4,-4)(4,4)
+\pstVerb{/rayon 1 def}%
+\psContourPlot[unit=2,a=0.02,linecolor={[rgb]{0 0 0.5}},Fill,fillcolor=cyan,ReverseColors,
+ function=
+ 1 x rayon 30 cos mul sub dup mul y rayon 30 sin mul add dup mul add div
+ 1 x rayon 30 cos mul add dup mul y rayon 30 sin mul add dup mul add div add
+ 1 x dup mul y rayon sub dup mul add div add
+ \r\space sub ](-2,-2)(2,2)
+\psgrid[subgriddiv=0,gridcolor=black,griddots=10]}
+\end{animateinline}
+\end{document} \ No newline at end of file