texmf -> texmf-dist: doc

git-svn-id: svn://tug.org/texlive/trunk@29714 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 45 insertions, 0 deletions

diff --git a/Master/texmf-dist/doc/asymptote/examples/filesurface.asy b/Master/texmf-dist/doc/asymptote/examples/filesurface.asy
new file mode 100644
index 00000000000..eef9d37f494
--- /dev/null
+++ b/Master/texmf-dist/doc/asymptote/examples/filesurface.asy
@@ -0,0 +1,45 @@
+import graph3;
+import palette;
+
+size3(200,IgnoreAspect);
+
+file in=input("filesurface.dat").line();
+real[] x=in;
+real[] y=in;
+
+real[][] f=in.dimension(0,0);
+
+triple f(pair t) {
+  int i=round(t.x);
+  int j=round(t.y);
+  return (x[i],y[j],f[i][j]);
+}
+
+surface s=surface(f,(0,0),(x.length-1,y.length-1),x.length-1,y.length-1);
+real[] level=uniform(min(f)*(1-sqrtEpsilon),max(f)*(1+sqrtEpsilon),4);
+
+s.colors(palette(s.map(new real(triple v) {return find(level >= v.z);}),
+                 Rainbow())); 
+
+draw(s,meshpen=thick(),render(merge=true));
+
+triple m=currentpicture.userMin();
+triple M=currentpicture.userMax();
+triple target=0.5*(m+M);
+
+xaxis3("$x$",Bounds,InTicks);
+yaxis3("$y$",Bounds,InTicks(Step=1,step=0.1));
+zaxis3("$z$",Bounds,InTicks);
+
+/*
+picture palette;
+size3(palette,1cm);
+draw(palette,unitcube,red);
+frame F=palette.fit3();
+add(F,(M.x,m.y,m.z));
+*/
+
+currentprojection=perspective(camera=target+realmult(dir(68,225),M-m),
+                              target=target);
+
+