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-rw-r--r--Master/texmf-dist/doc/metapost/featpost/example/spherample.mp49
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diff --git a/Master/texmf-dist/doc/metapost/featpost/example/spherample.mp b/Master/texmf-dist/doc/metapost/featpost/example/spherample.mp
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+++ b/Master/texmf-dist/doc/metapost/featpost/example/spherample.mp
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+% spherample.mp
+% L. Nobre G.
+% 2002
+
+input featpost3Dplus2D;
+
+SphericalDistortion := true;
+
+beginfig(1);
+ color orig, axxc, ayyc, azzc;
+ color nalfa, gammacnt, vertex;
+ numeric altura, grids, radius, xxsize, aux,
+ yysize, zzsize, i, numc, slope;
+ path sfear;
+
+ f := (5,4,2);
+ Spread := 120;
+ ShiftV := (200,200);
+ altura = 1;
+ radius = 0.3;
+ grids = 1;
+ numc = 9;
+ slope = 3;
+
+ for i=1 upto numc:
+ aux := (i-1-0.5*(numc-1))*grids;
+ gammacnt := (0,aux,0);
+ vertex := (aux/slope,aux,altura);
+ nalfa := vertex - gammacnt;
+ sfear := rigorousfearpath(gammacnt,radius);
+ unfill sfear;
+ draw sfear;
+ draw spatialhalfcircle(gammacnt,nalfa,radius,true);
+ endfor;
+ xxsize = radius;
+ yysize = 0.5*(numc-1)*grids;
+ zzsize = altura;
+ orig = (0,0,0);
+ axxc = (xxsize,0,0);
+ ayyc = (0,yysize,0);
+ azzc = (0,0,zzsize);
+% drawarrow rp(orig)..rp(axxc);
+% drawarrow rp(orig)..rp(ayyc);
+% drawarrow rp(orig)..rp(azzc);
+endfig;
+
+end;
+
+