summaryrefslogtreecommitdiff
path: root/Master/texmf/doc/asymptote/examples/filesurface.asy
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf/doc/asymptote/examples/filesurface.asy')
-rw-r--r--Master/texmf/doc/asymptote/examples/filesurface.asy34
1 files changed, 34 insertions, 0 deletions
diff --git a/Master/texmf/doc/asymptote/examples/filesurface.asy b/Master/texmf/doc/asymptote/examples/filesurface.asy
new file mode 100644
index 00000000000..42275715a0b
--- /dev/null
+++ b/Master/texmf/doc/asymptote/examples/filesurface.asy
@@ -0,0 +1,34 @@
+import graph3;
+import palette;
+
+size3(200,IgnoreAspect);
+
+file in=line(input("filesurface.dat"));
+real[] x=in;
+real[] y=in;
+
+real[][] f=dimension(in,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());
+
+triple m=currentpicture.userMin;
+triple M=currentpicture.userMax;
+triple target=0.5*(m+M);
+currentprojection=perspective(camera=target+realmult(dir(68,225),M-m),
+ target=target);
+
+xaxis3("$x$",Bounds(),InTicks);
+yaxis3("$y$",Bounds(),InTicks(Step=1,step=0.1));
+zaxis3("$z$",Bounds(),InTicks);