asy 1.93

git-svn-id: svn://tug.org/texlive/trunk@17934 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 25 insertions, 0 deletions

diff --git a/Build/source/utils/asymptote/examples/cos3.asy b/Build/source/utils/asymptote/examples/cos3.asy
new file mode 100644
index 00000000000..fa9c8f49550
--- /dev/null
+++ b/Build/source/utils/asymptote/examples/cos3.asy
@@ -0,0 +1,25 @@
+import graph3;
+import palette;
+
+size(12cm,IgnoreAspect);
+currentprojection=orthographic(1,-2,1);
+
+real f(pair z) {return abs(cos(z));}
+
+real Arg(triple v)
+{
+  return degrees(cos((v.x,v.y)),warn=false);
+}
+
+surface s=surface(f,(-pi,-2),(pi,2),20,Spline);
+
+s.colors(palette(s.map(Arg),Wheel()));
+draw(s);
+
+real xmin=point((-1,-1,-1)).x;
+real xmax=point((1,1,1)).x;
+draw((xmin,0,0)--(xmax,0,0),dashed);
+
+xaxis3("$\mathop{\rm Re} z$",Bounds,InTicks);
+yaxis3("$\mathop{\rm Im} z$",Bounds,InTicks(beginlabel=false));
+zaxis3("$|\cos(z)|$",Bounds,InTicks);