AllSpiceMirrors/kicad
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Handle degenerate polygons in RTrees.

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Fixes https://gitlab.com/kicad/code/kicad/-/issues/18600
This commit is contained in:
Jeff Young 2024-11-28 17:50:11 +00:00
parent 32684decbb
commit d5ecb4ab55
1 changed files with 7 additions and 1 deletions

8
pcbnew/drc/drc_rtree.h
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@ -356,7 +356,13 @@ public:
[&]( ITEM_WITH_SHAPE* aItem ) -> bool
{
const SHAPE* shape = aItem->shape;
wxASSERT( dynamic_cast<const SHAPE_POLY_SET::TRIANGULATED_POLYGON::TRI*>( shape ) );
// There are certain degenerate cases that result in empty zone fills, which
// will be represented in the rtree with only a root (and no triangles).
// https://gitlab.com/kicad/code/kicad/-/issues/18600
if( shape->Type() != SH_POLY_SET_TRIANGLE )
return true;
auto tri = static_cast<const SHAPE_POLY_SET::TRIANGULATED_POLYGON::TRI*>( shape );
const SHAPE_LINE_CHAIN& outline = poly->Outline( 0 );