Sierpinski triangle: Difference between revisions
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=={{header|PostScript}}== |
=={{header|PostScript}}== |
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This draws the triangles in a string-rewrite fashion, where all edges form a single polyline. 9 page document showing progession. |
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<lang postscript>%!PS-Adobe-3.0 |
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<lang postscript>/F { 1 0 rlineto } def |
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%%BoundingBox 0 0 300 300 |
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/- {-120 rotate } def |
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/^ { 2 2 scale } def |
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/!0{ dup 1 sub dup -1 eq not } def |
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/ |
/X { !0 { v X + F - X - F + X ^ } { F } ifelse pop } def |
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0 1 8 { 300 300 scale 0 1 12 div moveto |
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X + F + F fill showpage } for |
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{ .5 .5 scale f S S S } ifelse |
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grestore f r f pop |
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} def |
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300 300 scale 0 1 12 div translate |
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8 S pop |
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showpage |
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%%EOF |
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=={{header|Pop11}}== |
=={{header|Pop11}}== |
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