haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Teardrops: fix incorrect shape in some cases.

This commit is contained in:
jean-pierre charras 2023-02-20 09:06:21 +01:00
parent 343e3aee55
commit db66419f02
2 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
pcbnew/teardrop/teardrop.cpp
View File

@ -426,9 +426,6 @@ int TEARDROP_MANAGER::RemoveTeardrops( BOARD_COMMIT* aCommitter, bool aCommitAft
if( count )
{
ZONE_FILLER filler( m_board, aCommitter );
(void)filler.Fill( m_board->Zones() );
if( aCommitter && aCommitAfterRemove )
aCommitter->Push( _( "Remove teardrops" ), SKIP_CONNECTIVITY );

30
pcbnew/teardrop/teardrop_utils.cpp
View File

@ -593,8 +593,8 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( TEARDROP_PARAMETERS* aCurrParams
TRACK_BUFFER& aTrackLookupList ) const
{
bool found = true;
VECTOR2I start = aTrack->GetStart(); // the anchor point on the track, inside teardrop
VECTOR2I end = aTrack->GetEnd(); // the anchor point on the track, outside teardrop
VECTOR2I start = aTrack->GetStart(); // one reference point on the track, inside teardrop
VECTOR2I end = aTrack->GetEnd(); // the second reference point on the track, outside teardrop
int radius = aViaPad.m_Width / 2;
// Requested length of the teardrop:
@ -603,7 +603,8 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( TEARDROP_PARAMETERS* aCurrParams
if( aCurrParams->m_TdMaxLen > 0 )
targetLength = std::min( aCurrParams->m_TdMaxLen, targetLength );
int actualTdLen; // The actual teardrop length, limited by the available track length
// actualTdLen is the distance between start and the teardrop point on the segment from start to end
int actualTdLen;
bool need_swap = false; // true if the start and end points of the current track are swapped
// ensure that start is at the via/pad end
@ -636,18 +637,20 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( TEARDROP_PARAMETERS* aCurrParams
int pt_count = outline.Intersect( SEG( start, end ), pts );
// Ensure a intersection point was found, otherwise we cannot built the teardrop
// using this track
// using this track (it is fully outside or inside the pad/via shape)
if( pt_count < 1 )
return false;
VECTOR2I intersect = pts[0].p;
start = intersect;
start = intersect; // This is currently the reference point of the teardrop lenght
// actualTdLen for now the distance between start and the teardrop point on the (start end)segment
// It cannot be bigger than the lenght of this segment
actualTdLen = std::min( targetLength, SEG( start, end ).Length() );
VECTOR2I ref_lenght_point = start; // the reference point of actualTdLen
// If the first track is too short to allow a teardrop having the requested length
// explore the connected track(s)
// explore the connected track(s), and try to find a anchor point at targetLength from initial start
if( actualTdLen < targetLength && aFollowTracks )
{
int consumed = 0;
@ -663,6 +666,7 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( TEARDROP_PARAMETERS* aCurrParams
// TODO: stop if angle between old and new segment is > 45 deg to avoid bad shape
consumed += actualTdLen;
// actualTdLen is the new distance from new start point and the teardrop anchor point
actualTdLen = std::min( targetLength-consumed, int( connected_track->GetLength() ) );
aTrack = connected_track;
end = connected_track->GetEnd();
@ -707,25 +711,29 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( TEARDROP_PARAMETERS* aCurrParams
// So we explore segments from the last to the first
for( int ii = poly.PointCount()-1; ii >= 0 ; ii-- )
{
int dist_from_start = ( poly.CPoint( ii ) - ref_lenght_point ).EuclideanNorm();
int dist_from_start = ( poly.CPoint( ii ) - start ).EuclideanNorm();
// The first segment at a distance of the reference point < actualTdLen is OK
if( dist_from_start < actualTdLen )
// and is suitable to define the reference segment of the teardrop anchor.
if( dist_from_start < actualTdLen || ii == 0 )
{
start = poly.CPoint( ii );
if( ii < poly.PointCount()-1 )
end = poly.CPoint( ii+1 );
// actualTdLen is the distance between start (the segment start point)
// actualTdLen is the distance between start (the reference segment start point)
// and the point on track of the teardrop.
// This is the difference between the initial actualTdLen value and the
// distance between start and ref_lenght_point.
actualTdLen -= (start - ref_lenght_point).EuclideanNorm();
if( actualTdLen < 0 )
// Ensure validity of actualTdLen: >= 0, and <= segment lenght
if( actualTdLen < 0 ) // should not happen, but...
actualTdLen = 0;
actualTdLen = std::min( actualTdLen, (end - start).EuclideanNorm() );
break;
}
}
@ -734,7 +742,7 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( TEARDROP_PARAMETERS* aCurrParams
// aStartPoint and aEndPoint will define later a segment to build the 2 anchors points
// of the teardrop on the aTrack shape.
// they are the end point of aTrack if aTrack is a segment,
// they are two points (both outside the pad/via shape) of aTrack if aTrack is a segment,
// or a small segment on aTrack if aTrack is an ARC
aStartPoint = start;
aEndPoint = end;