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Fix for #241: split_polygons_at_each_y produces non simple polygons

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Garth Minette 2020-11-29 22:39:42 -08:00
parent 9b724a1bad
commit d43b4667d5
2 changed files with 16 additions and 13 deletions
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27
geometry.scad
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@ -2005,10 +2005,11 @@ function _split_polygon_at_x(poly, x) =
], ],
out1 = [for (p = poly2) if(p.x <= x) p], out1 = [for (p = poly2) if(p.x <= x) p],
out2 = [for (p = poly2) if(p.x >= x) p], out2 = [for (p = poly2) if(p.x >= x) p],
out = [ out3 = [
if (len(out1)>=3) out1, if (len(out1)>=3) each split_path_at_self_crossings(out1),
if (len(out2)>=3) out2, if (len(out2)>=3) each split_path_at_self_crossings(out2),
] ],
out = [for (p=out3) if (len(p) > 2) cleanup_path(p)]
) out; ) out;
@ -2034,10 +2035,11 @@ function _split_polygon_at_y(poly, y) =
], ],
out1 = [for (p = poly2) if(p.y <= y) p], out1 = [for (p = poly2) if(p.y <= y) p],
out2 = [for (p = poly2) if(p.y >= y) p], out2 = [for (p = poly2) if(p.y >= y) p],
out = [ out3 = [
if (len(out1)>=3) out1, if (len(out1)>=3) each split_path_at_self_crossings(out1),
if (len(out2)>=3) out2, if (len(out2)>=3) each split_path_at_self_crossings(out2),
] ],
out = [for (p=out3) if (len(p) > 2) cleanup_path(p)]
) out; ) out;
@ -2063,10 +2065,11 @@ function _split_polygon_at_z(poly, z) =
], ],
out1 = [for (p = poly2) if(p.z <= z) p], out1 = [for (p = poly2) if(p.z <= z) p],
out2 = [for (p = poly2) if(p.z >= z) p], out2 = [for (p = poly2) if(p.z >= z) p],
out = [ out3 = [
if (len(out1)>=3) out1, if (len(out1)>=3) each split_path_at_self_crossings(close_path(out1), closed=false),
if (len(out2)>=3) out2, if (len(out2)>=3) each split_path_at_self_crossings(close_path(out2), closed=false),
] ],
out = [for (p=out3) if (len(p) > 2) cleanup_path(p)]
) out; ) out;

2
version.scad
View File

@ -8,7 +8,7 @@
////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,471]; BOSL_VERSION = [2,0,472];
// Section: BOSL Library Version Functions // Section: BOSL Library Version Functions