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authorKarl Berry <karl@freefriends.org>2009-06-09 00:38:32 +0000
committerKarl Berry <karl@freefriends.org>2009-06-09 00:38:32 +0000
commit5a5ed51adcf876db905825989f564b51d622c0dd (patch)
treee735ac11e0f5fa09d2ef7c8992654fb5ff98b39e /Master/texmf/doc/asymptote/examples/cyclohexane.asy
parentfa0e85e77e9560d371aa26d0ddc1500c4c050e16 (diff)
asy doc, tlpsrc patterns
git-svn-id: svn://tug.org/texlive/trunk@13675 c570f23f-e606-0410-a88d-b1316a301751
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+import three;
+
+currentprojection = perspective(300,-650,500);
+
+surface carbon = scale3(70)*unitsphere; // 70 pm
+surface hydrogen = scale3(25)*unitsphere; // 25 pm
+
+real alpha = 90+aSin(1/3);
+
+real CCbond = 156; // 156 pm
+real CHbond = 110; // 110 pm
+
+triple c1 = (0,0,0);
+triple h1 = c1+CHbond*Z;
+triple c2 = rotate(alpha,c1,c1+Y)*(CCbond*Z);
+triple h2 = rotate(120,c1,c2)*h1;
+triple h3 = c2-CHbond*Z;
+triple h4 = rotate(120,c2,c1)*h3;
+
+triple c3 = rotate(120,c2,h3)*c1;
+triple h5 = c3+CHbond*Z;
+triple h6 = rotate(-120,c3,c2)*h5;
+
+triple c4 = rotate(-120,c3,h5)*c2;
+triple h7 = c4-CHbond*Z;
+triple h8 = rotate(120,c4,c3)*h7;
+
+triple c5 = rotate(120,c4,h7)*c3;
+triple h9 = c5+CHbond*Z;
+triple h10 = rotate(-120,c5,c4)*h9;
+
+triple c6 = rotate(-120,c5,h9)*c4;
+triple h11 = c6-CHbond*Z;
+triple h12 = rotate(120,c6,c5)*h11;
+
+draw(shift(c1)*carbon,black);
+draw(shift(c2)*carbon,black);
+draw(shift(c3)*carbon,black);
+draw(shift(c4)*carbon,black);
+draw(shift(c5)*carbon,black);
+draw(shift(c6)*carbon,black);
+
+
+draw(shift(h1)*hydrogen,lightgray);
+draw(shift(h2)*hydrogen,lightgray);
+draw(shift(h3)*hydrogen,lightgray);
+draw(shift(h4)*hydrogen,lightgray);
+draw(shift(h5)*hydrogen,lightgray);
+draw(shift(h6)*hydrogen,lightgray);
+draw(shift(h7)*hydrogen,lightgray);
+draw(shift(h8)*hydrogen,lightgray);
+draw(shift(h9)*hydrogen,lightgray);
+draw(shift(h10)*hydrogen,lightgray);
+draw(shift(h11)*hydrogen,lightgray);
+draw(shift(h12)*hydrogen,lightgray);
+
+
+pen thick = linewidth(10);
+
+draw(c1--c2--c3--c4--c5--c6--cycle,thick);
+
+draw(c1--h1,thick);
+draw(c1--h2,thick);
+draw(c2--h3,thick);
+draw(c2--h4,thick);
+draw(c3--h5,thick);
+draw(c3--h6,thick);
+draw(c4--h7,thick);
+draw(c4--h8,thick);
+draw(c5--h9,thick);
+draw(c5--h10,thick);
+draw(c6--h11,thick);
+draw(c6--h12,thick);