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PNS: Use last-segment posture optimization always 

Also when auto-posture is enabled, don't flutter
until area threshold has been met.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/6935
This commit is contained in:
Jon Evans 2021-01-07 20:05:28 -05:00
parent 3fd128a75b
commit 111fa99f9f
2 changed files with 25 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
pcbnew/router/pns_line_placer.cpp
View File

@ -916,7 +916,7 @@ bool LINE_PLACER::Start( const VECTOR2I& aP, ITEM* aStartItem )
m_postureSolver.AddTrailPoint( aP );
m_postureSolver.SetTolerance( m_head.Width() );
m_postureSolver.SetDefaultDirections( initialDir, lastSegDir );
m_postureSolver.SetDisabled( !Settings().GetAutoPosture() );
m_postureSolver.SetMouseDisabled( !Settings().GetAutoPosture() );
NODE *n;
@ -1486,7 +1486,7 @@ int FIXED_TAIL::StageCount() const
POSTURE_SOLVER::POSTURE_SOLVER()
{
m_tolerance = 0;
m_disabled = false;
m_disableMouse = false;
Clear();
}
@ -1549,10 +1549,13 @@ DIRECTION_45 POSTURE_SOLVER::GetPosture( const VECTOR2I& aP )
// Adjusts how close to p0 we unlock the posture again if one was locked already
const int unlockDistanceFactor = 4;
if( m_disabled || m_trail.PointCount() < 2 || m_manuallyForced )
if( m_trail.PointCount() < 2 || m_manuallyForced )
{
// If mouse trail detection is enabled; using the last seg direction as a starting point
// will give the best results. Otherwise, just assume that we switch postures every
// segment.
if( !m_manuallyForced && m_lastSegDirection != DIRECTION_45::UNDEFINED )
m_direction = m_lastSegDirection;
m_direction = m_disableMouse ? m_lastSegDirection.Right() : m_lastSegDirection;
return m_direction;
}
@ -1589,7 +1592,7 @@ DIRECTION_45 POSTURE_SOLVER::GetPosture( const VECTOR2I& aP )
m_trail.Append( start );
}
bool areaOk = true;
bool areaOk = false;
// Check the actual trail area against the cutoff. This prevents flutter when the trail is
// very close to a straight line.
@ -1599,8 +1602,8 @@ DIRECTION_45 POSTURE_SOLVER::GetPosture( const VECTOR2I& aP )
SHAPE_LINE_CHAIN trail( m_trail );
trail.SetClosed( true );
if( std::abs( trail.Area() ) < areaCutoff )
areaOk = false;
if( std::abs( trail.Area() ) > areaCutoff )
areaOk = true;
}
DIRECTION_45 straightDirection;
@ -1617,18 +1620,20 @@ DIRECTION_45 POSTURE_SOLVER::GetPosture( const VECTOR2I& aP )
else
newDirection = m_direction.IsDiagonal() ? diagDirection : straightDirection;
if( newDirection != m_direction )
if( !m_disableMouse && newDirection != m_direction )
{
wxLogTrace( "PNS", "Posture: direction update %s => %s", m_direction.Format(),
newDirection.Format() );
}
m_direction = newDirection;
}
// If we have a last segment, correct the direction relative to it. For segment exit, we want
// to correct to the least obtuse
if( !m_manuallyForced && m_lastSegDirection != DIRECTION_45::UNDEFINED )
if( !m_manuallyForced && !m_disableMouse && m_lastSegDirection != DIRECTION_45::UNDEFINED )
{
wxLogTrace( "PNS", "Posture: checking direction %s against last seg %s",
m_direction.Format(), m_lastSegDirection.Format() );
if( straightDirection == m_lastSegDirection )
{
if( m_direction != straightDirection )
@ -1695,7 +1700,10 @@ DIRECTION_45 POSTURE_SOLVER::GetPosture( const VECTOR2I& aP )
// If we get far away from the initial point, lock in the current solution to prevent flutter
if( !m_forced && refLength > lockDistanceFactor * m_tolerance )
{
wxLogTrace( "PNS", "Posture: solution locked" );
m_forced = true;
}
return m_direction;
}

8
pcbnew/router/pns_line_placer.h
View File

@ -95,7 +95,11 @@ public:
void FlipPosture();
void SetDisabled( bool aDisabled = true ) { m_disabled = aDisabled; }
/**
* Disables the mouse-trail portion of the posture solver; leaving only the manual posture
* switch and the previous-segment posture algorithm
*/
void SetMouseDisabled( bool aDisabled = true ) { m_disableMouse = aDisabled; }
bool IsManuallyForced() const { return m_manuallyForced; }
@ -105,7 +109,7 @@ private:
DIRECTION_45 m_direction;
DIRECTION_45 m_lastSegDirection;
bool m_forced;
bool m_disabled;
bool m_disableMouse;
bool m_manuallyForced;
};