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We must check clearance on all layers of multi-layer items. 

(One layer may have a custom rule.)

Fixes https://gitlab.com/kicad/code/kicad/issues/12733
This commit is contained in:
Jeff Young 2022-10-24 00:13:05 +01:00
parent c8261d13a5
commit 2dec37f806
2 changed files with 41 additions and 15 deletions
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18
pcbnew/router/pns_kicad_iface.cpp
View File

@ -388,18 +388,27 @@ int PNS_PCBNEW_RULE_RESOLVER::Clearance( const PNS::ITEM* aA, const PNS::ITEM* a
PNS::CONSTRAINT constraint;
int rv = 0;
int layer;
LAYER_RANGE layers;
if( !aA->Layers().IsMultilayer() || !aB || aB->Layers().IsMultilayer() )
layer = aA->Layer();
if( !aB )
layers = aA->Layers();
else if( isEdge( aA ) )
layers = aB->Layers();
else if( isEdge( aB ) )
layers = aA->Layers();
else
layer = aB->Layer();
layers = aA->Layers().Intersection( aB->Layers() );
for( int layer = layers.Start(); layer <= layers.End(); ++layer )
{
if( isCopper( aA ) && ( !aB || isCopper( aB ) ) )
{
if( QueryConstraint( PNS::CONSTRAINT_TYPE::CT_CLEARANCE, aA, aB, layer, &constraint ) )
{
if( constraint.m_Value.Min() > rv )
rv = constraint.m_Value.Min();
}
}
if( isEdge( aA ) || ( aB && isEdge( aB ) ) )
{
@ -409,6 +418,7 @@ int PNS_PCBNEW_RULE_RESOLVER::Clearance( const PNS::ITEM* aA, const PNS::ITEM* a
rv = constraint.m_Value.Min();
}
}
}
if( aUseClearanceEpsilon )
rv -= m_clearanceEpsilon;

16
pcbnew/router/pns_layerset.h
View File

@ -105,6 +105,22 @@ public:
m_end = aOther.m_end;
}
LAYER_RANGE Intersection( const LAYER_RANGE& aOther ) const
{
LAYER_RANGE overlap;
overlap.m_start = std::max( m_start, aOther.m_start );
if( m_end < 0 )
overlap.m_end = aOther.m_end;
else if( aOther.m_end < 0 )
overlap.m_end = m_end;
else
overlap.m_end = std::min( m_end, aOther.m_end );
return overlap;
}
///< Shortcut for comparisons/overlap tests
static LAYER_RANGE All()
{