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A better blob vs web detector. 

Since we're in a deflated state, a long web *could* still have a very
small area.  So check max extents instead.
This commit is contained in:
Jeff Young 2022-04-10 19:48:45 +01:00
parent 1a2e0d8226
commit 1dae5eb7c4
1 changed files with 3 additions and 4 deletions
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7
pcbnew/zone_filler.cpp
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@ -1125,14 +1125,13 @@ bool ZONE_FILLER::fillCopperZone( const ZONE* aZone, PCB_LAYER_ID aLayer, PCB_LA
// Min-thickness is the web thickness. On the other hand, a blob min-thickness by // Min-thickness is the web thickness. On the other hand, a blob min-thickness by
// min-thickness is not useful. Since there's no obvious definition of web vs. blob, we // min-thickness is not useful. Since there's no obvious definition of web vs. blob, we
// arbitrarily choose "at least 2X the area". // arbitrarily choose "at least 1/2 min-thickness on one axis".
double minArea = (double) aZone->GetMinThickness() * aZone->GetMinThickness() * 2;
for( int ii = aFillPolys.OutlineCount() - 1; ii >= 0; ii-- ) for( int ii = aFillPolys.OutlineCount() - 1; ii >= 0; ii-- )
{ {
std::vector<SHAPE_LINE_CHAIN>& island = aFillPolys.Polygon( ii ); std::vector<SHAPE_LINE_CHAIN>& island = aFillPolys.Polygon( ii );
EDA_RECT islandExtents = island.front().BBox();
if( island.empty() || island.front().Area() < minArea ) if( islandExtents.GetSizeMax() < half_min_width )
aFillPolys.DeletePolygon( ii ); aFillPolys.DeletePolygon( ii );
} }