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PnS router: NPTH can be on copper layers, depending of the pad size and the hole size. 

Now: round NPTH with a round hole bigger than the pad are not on a copper layer.
Other pas shapes are seen on copper layers (far from ideal, but reasonable)
Fixes #13214
https://gitlab.com/kicad/code/kicad/issues/13214
This commit is contained in:
jean-pierre charras 2022-12-20 12:50:22 +01:00
parent 8c324f1fc8
commit 161a1e21f5
1 changed files with 17 additions and 1 deletions
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18
pcbnew/router/pns_kicad_iface.cpp
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@ -252,7 +252,23 @@ bool isCopper( const PNS::ITEM* aItem )
if( parent && parent->Type() == PCB_PAD_T )
{
PAD* pad = static_cast<PAD*>( parent );
return pad->IsOnCopperLayer() && pad->GetAttribute() != PAD_ATTRIB::NPTH;
if( !pad->IsOnCopperLayer() )
return false;
if( pad->GetAttribute() != PAD_ATTRIB::NPTH )
return true;
// round NPTH with a hole size >= pad size are not on a copper layer
// All other NPTH are seen on copper layers
// This is a basic criteria, but probably enough for a NPTH
if( pad->GetShape() == PAD_SHAPE::CIRCLE )
{
if( pad->GetSize().x <= pad->GetDrillSize().x )
return false;
}
return true;
}
return true;