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Add pre-flighting to DRC checks for performance.

This commit is contained in:
Jeff Young 2020-04-26 15:38:41 +01:00
parent c955f45728
commit 1280a4d2f3
1 changed files with 23 additions and 4 deletions
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27
pcbnew/drc/drc_clearance_test_functions.cpp
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@ -148,9 +148,10 @@ void DRC::doTrackDrc( TRACK* aRefSeg, TRACKS::iterator aStartIt, TRACKS::iterato
BOARD_DESIGN_SETTINGS& dsnSettings = m_pcb->GetDesignSettings();
wxString msg;
SEG refSeg( aRefSeg->GetStart(), aRefSeg->GetEnd() );
LSET layerMask = aRefSeg->GetLayerSet();
int refSegWidth = aRefSeg->GetWidth();
SEG refSeg( aRefSeg->GetStart(), aRefSeg->GetEnd() );
LSET layerMask = aRefSeg->GetLayerSet();
EDA_RECT refSegBB = aRefSeg->GetBoundingBox();
int refSegWidth = aRefSeg->GetWidth();
/******************************************/
@ -322,8 +323,19 @@ void DRC::doTrackDrc( TRACK* aRefSeg, TRACKS::iterator aStartIt, TRACKS::iterato
// Compute the min distance to pads
for( MODULE* mod : m_pcb->Modules() )
{
// Don't preflight at the module level. Getting a module's bounding box goes
// through all its pads anyway (so it's no faster), and also all its drawings
// (so it's in fact slower).
for( D_PAD* pad : mod->Pads() )
{
// Preflight based on bounding boxes.
EDA_RECT inflatedBB = refSegBB;
inflatedBB.Inflate( pad->GetBoundingRadius() + aRefSeg->GetClearance( pad, nullptr ) );
if( !inflatedBB.Contains( pad->GetPosition() ) )
continue;
if( pad->GetDrillSize().x > 0 )
{
/* Treat an oval hole as a line segment along the hole's major axis,
@ -423,10 +435,17 @@ void DRC::doTrackDrc( TRACK* aRefSeg, TRACKS::iterator aStartIt, TRACKS::iterato
if( aRefSeg->GetNetCode() == track->GetNetCode() )
continue;
// No problem if tracks are on different layers :
// No problem if tracks are on different layers:
if( !( layerMask & track->GetLayerSet() ).any() )
continue;
// Preflight based on inflated bounding boxes:
EDA_RECT trackBB = track->GetBoundingBox();
trackBB.Inflate( aRefSeg->GetClearance( track, nullptr ) );
if( !trackBB.Intersects( refSegBB ) )
continue;
wxString clearanceSource;
int minClearance = aRefSeg->GetClearance( track, &clearanceSource );
SEG trackSeg( track->GetStart(), track->GetEnd() );