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add sanitize_region, appease docsgen

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Adrian Mariano 2021-09-27 21:36:24 -04:00
parent dbee0abec6
commit 000d84923d
1 changed files with 11 additions and 1 deletions
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12
regions.scad
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@ -78,6 +78,16 @@ function check_and_fix_path(path, valid_dim=undef, closed=false, name="path") =
// Function: sanitize_region()
// Usage:
// r_fixed = sanitize_region(r);
// Description:
// Takes a malformed input region that contains self-intersecting polygons or polygons
// that cross each other and converts it into a properly defined region without
// these defects.
function sanitize_region(r) = exclusive_or([for(poly=r) each polygon_parts(poly)]);
// Module: region()
// Usage:
@ -154,7 +164,7 @@ function do_segments_intersect(s1,s2) =
)
approx_sign(a1)!=approx_sign(a2) && approx_sign(a3)!=approx_sign(a4);
// Note: parallel intersecting lines seem to have all the a's equal approx to zero
// note that parallel intersecting lines seem to have all the a's equal approx to zero
// Function: polygons_equal()