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Don't shove stitching vias. 

Whether or not it's a good idea, the current algorithm doesn't support
it and leaves them on top of each other.

Fixes: lp:1833214
* https://bugs.launchpad.net/kicad/+bug/1833214
This commit is contained in:
Jeff Young 2019-07-21 16:36:08 -06:00
parent 6f44b00b2c
commit aa4d7682ca
2 changed files with 39 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
pcbnew/router/pns_joint.h
View File

@ -118,6 +118,11 @@ public:
return ( m_linkedItems.Size() == 3 && vias == 1 && segs == 2 );
}
bool IsStitchingVia() const
{
return ( m_linkedItems.Size() == 1 && m_linkedItems.Count( VIA_T ) == 1 );
}
bool IsTraceWidthChange() const
{
if( m_linkedItems.Size() != 2 )

78
pcbnew/router/pns_shove.cpp
View File

@ -19,13 +19,9 @@
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define PNS_DEBUG
#include <deque>
#include <cassert>
#include "range.h"
#include "pns_line.h"
#include "pns_node.h"
#include "pns_walkaround.h"
@ -35,14 +31,10 @@
#include "pns_via.h"
#include "pns_utils.h"
#include "pns_router.h"
#include "pns_shove.h"
#include "pns_utils.h"
#include "pns_topology.h"
#include "time_limit.h"
#include <profile.h>
namespace PNS {
void SHOVE::replaceItems( ITEM* aOld, std::unique_ptr< ITEM > aNew )
@ -128,12 +120,13 @@ bool SHOVE::checkBumpDirection( const LINE& aCurrent, const LINE& aShoved ) cons
}
SHOVE::SHOVE_STATUS SHOVE::walkaroundLoneVia( LINE& aCurrent, LINE& aObstacle,
LINE& aShoved )
SHOVE::SHOVE_STATUS SHOVE::walkaroundLoneVia( LINE& aCurrent, LINE& aObstacle, LINE& aShoved )
{
int clearance = getClearance( &aCurrent, &aObstacle );
const SHAPE_LINE_CHAIN hull = aCurrent.Via().Hull( clearance, aObstacle.Width() );
SHAPE_LINE_CHAIN path_cw, path_ccw;
SHAPE_LINE_CHAIN path_cw;
SHAPE_LINE_CHAIN path_ccw;
VECTOR2I dummy;
if( ! aObstacle.Walkaround( hull, path_cw, true ) )
return SH_INCOMPLETE;
@ -261,8 +254,7 @@ SHOVE::SHOVE_STATUS SHOVE::processHullSet( LINE& aCurrent, LINE& aObstacle,
}
SHOVE::SHOVE_STATUS SHOVE::ProcessSingleLine( LINE& aCurrent, LINE& aObstacle,
LINE& aShoved )
SHOVE::SHOVE_STATUS SHOVE::ProcessSingleLine( LINE& aCurrent, LINE& aObstacle, LINE& aShoved )
{
aShoved.ClearSegmentLinks();
@ -610,6 +602,9 @@ SHOVE::SHOVE_STATUS SHOVE::pushVia( VIA* aVia, const VECTOR2I& aForce, int aCurr
if( aVia->IsLocked() )
return SH_TRY_WALK;
if( jt->IsStitchingVia() )
return SH_TRY_WALK;
if( jt->IsLocked() )
return SH_INCOMPLETE;
@ -723,9 +718,13 @@ SHOVE::SHOVE_STATUS SHOVE::onCollidingVia( ITEM* aCurrent, VIA* aObstacleVia )
{
int clearance = getClearance( aCurrent, aObstacleVia ) ;
LINE_PAIR_VEC draggedLines;
bool colLine = false, colVia = false;
bool lineCollision = false;
bool viaCollision = false;
LINE* currentLine = NULL;
VECTOR2I mtvLine, mtvVia, mtv, mtvSolid;
VECTOR2I mtvLine;
VECTOR2I mtvVia;
VECTOR2I mtvSolid;
VECTOR2I mtv;
int rank = -1;
if( aCurrent->OfKind( ITEM::LINE_T ) )
@ -736,20 +735,22 @@ SHOVE::SHOVE_STATUS SHOVE::onCollidingVia( ITEM* aCurrent, VIA* aObstacleVia )
#endif
currentLine = (LINE*) aCurrent;
colLine = CollideShapes( aObstacleVia->Shape(), currentLine->Shape(),
clearance + currentLine->Width() / 2 + PNS_HULL_MARGIN,
true, mtvLine );
lineCollision = CollideShapes( aObstacleVia->Shape(), currentLine->Shape(),
clearance + currentLine->Width() / 2 + PNS_HULL_MARGIN,
true, mtvLine );
if( currentLine->EndsWithVia() )
colVia = CollideShapes( currentLine->Via().Shape(), aObstacleVia->Shape(),
clearance + PNS_HULL_MARGIN, true, mtvVia );
{
viaCollision = CollideShapes( currentLine->Via().Shape(), aObstacleVia->Shape(),
clearance + PNS_HULL_MARGIN, true, mtvVia );
}
if( !colLine && !colVia )
if( !lineCollision && !viaCollision )
return SH_OK;
if( colLine && colVia )
if( lineCollision && viaCollision )
mtv = mtvVia.EuclideanNorm() > mtvLine.EuclideanNorm() ? mtvVia : mtvLine;
else if( colLine )
else if( lineCollision )
mtv = mtvLine;
else
mtv = mtvVia;
@ -1005,9 +1006,8 @@ SHOVE::SHOVE_STATUS SHOVE::shoveIteration( int aIter )
st = onCollidingSegment( currentLine, (SEGMENT*) ni );
if( st == SH_TRY_WALK )
{
st = onCollidingSolid( currentLine, ni );
}
break;
case ITEM::VIA_T:
@ -1015,9 +1015,8 @@ SHOVE::SHOVE_STATUS SHOVE::shoveIteration( int aIter )
st = onCollidingVia( &currentLine, (VIA*) ni );
if( st == SH_TRY_WALK )
{
st = onCollidingSolid( currentLine, ni );
}
break;
case ITEM::SOLID_T:
@ -1077,7 +1076,8 @@ OPT_BOX2I SHOVE::totalAffectedArea() const
{
if( m_affectedAreaSum )
area->Merge( *m_affectedAreaSum );
} else
}
else
area = m_affectedAreaSum;
return area;
@ -1268,8 +1268,7 @@ SHOVE::SHOVE_STATUS SHOVE::ShoveMultiLines( const ITEM_SET& aHeadSet )
}
SHOVE::SHOVE_STATUS SHOVE::ShoveDraggingVia( VIA* aVia, const VECTOR2I& aWhere,
VIA** aNewVia )
SHOVE::SHOVE_STATUS SHOVE::ShoveDraggingVia( VIA* aVia, const VECTOR2I& aWhere, VIA** aNewVia )
{
SHOVE_STATUS st = SH_OK;
@ -1309,9 +1308,7 @@ SHOVE::SHOVE_STATUS SHOVE::ShoveDraggingVia( VIA* aVia, const VECTOR2I& aWhere,
else
{
if( aNewVia )
{
*aNewVia = nullptr;
}
delete m_currentNode;
m_currentNode = parent;
@ -1324,7 +1321,8 @@ SHOVE::SHOVE_STATUS SHOVE::ShoveDraggingVia( VIA* aVia, const VECTOR2I& aWhere,
void SHOVE::runOptimizer( NODE* aNode )
{
OPTIMIZER optimizer( aNode );
int optFlags = 0, n_passes = 0;
int optFlags = 0;
int n_passes = 0;
PNS_OPTIMIZATION_EFFORT effort = Settings().OptimizerEffort();
@ -1332,16 +1330,11 @@ void SHOVE::runOptimizer( NODE* aNode )
int maxWidth = 0;
for( std::vector<LINE>::iterator i = m_optimizerQueue.begin();
i != m_optimizerQueue.end(); ++i )
{
maxWidth = std::max( i->Width(), maxWidth );
}
for( LINE& line : m_optimizerQueue )
maxWidth = std::max( line.Width(), maxWidth );
if( area )
{
area->Inflate( 10 * maxWidth );
}
switch( effort )
{
@ -1378,11 +1371,8 @@ void SHOVE::runOptimizer( NODE* aNode )
{
std::reverse( m_optimizerQueue.begin(), m_optimizerQueue.end() );
for( std::vector<LINE>::iterator i = m_optimizerQueue.begin();
i != m_optimizerQueue.end(); ++i )
for( LINE& line : m_optimizerQueue)
{
LINE& line = *i;
if( !( line.Marker() & MK_HEAD ) )
{
LINE optimized;