Eagle PCB import: disable copper pour for imported *Restrict layer polygons
Fixes: lp:1772245 * https://bugs.launchpad.net/kicad/+bug/1772245
This commit is contained in:
Maciej Suminski
parent
3893c43eb0
commit
190d4d6f55
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@ -1080,130 +1080,129 @@ ZONE_CONTAINER* EAGLE_PLUGIN::loadPolygon( wxXmlNode* aPolyNode )
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EPOLYGON p( aPolyNode );
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PCB_LAYER_ID layer = kicad_layer( p.layer );
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ZONE_CONTAINER* zone = nullptr;
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bool keepout = ( p.layer == EAGLE_LAYER::TRESTRICT || p.layer == EAGLE_LAYER::BRESTRICT );
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// Handle copper and keepout layers
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if( IsCopperLayer( layer )
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|| p.layer == EAGLE_LAYER::TRESTRICT || p.layer == EAGLE_LAYER::BRESTRICT )
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if( !IsCopperLayer( layer ) && !keepout )
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return nullptr;
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// use a "netcode = 0" type ZONE:
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zone = new ZONE_CONTAINER( m_board );
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zone->SetTimeStamp( EagleTimeStamp( aPolyNode ) );
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m_board->Add( zone, ADD_APPEND );
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if( p.layer == EAGLE_LAYER::TRESTRICT ) // front layer keepout
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zone->SetLayer( F_Cu );
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else if( p.layer == EAGLE_LAYER::BRESTRICT ) // bottom layer keepout
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zone->SetLayer( B_Cu );
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else
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zone->SetLayer( layer );
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if( keepout )
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{
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// use a "netcode = 0" type ZONE:
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zone = new ZONE_CONTAINER( m_board );
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zone->SetTimeStamp( EagleTimeStamp( aPolyNode ) );
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m_board->Add( zone, ADD_APPEND );
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zone->SetIsKeepout( true );
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zone->SetDoNotAllowVias( true );
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zone->SetDoNotAllowTracks( true );
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zone->SetDoNotAllowCopperPour( true );
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}
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if( p.layer == EAGLE_LAYER::TRESTRICT )
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// Get the first vertex and iterate
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wxXmlNode* vertex = aPolyNode->GetChildren();
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std::vector<EVERTEX> vertices;
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// Create a circular vector of vertices
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// The "curve" parameter indicates a curve from the current
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// to the next vertex, so we keep the first at the end as well
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// to allow the curve to link back
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while( vertex )
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{
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if( vertex->GetName() == "vertex" )
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vertices.push_back( EVERTEX( vertex ) );
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vertex = vertex->GetNext();
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}
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vertices.push_back( vertices[0] );
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for( size_t i = 0; i < vertices.size() - 1; i++ )
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{
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EVERTEX v1 = vertices[i];
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// Append the corner
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zone->AppendCorner( wxPoint( kicad_x( v1.x ), kicad_y( v1.y ) ), -1 );
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if( v1.curve )
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{
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zone->SetIsKeepout( true );
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zone->SetLayer( F_Cu );
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}
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else if( p.layer == EAGLE_LAYER::BRESTRICT )
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{
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zone->SetIsKeepout( true );
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zone->SetLayer( B_Cu );
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}
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else
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{
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zone->SetLayer( layer );
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}
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EVERTEX v2 = vertices[i + 1];
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wxPoint center = ConvertArcCenter(
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wxPoint( kicad_x( v1.x ), kicad_y( v1.y ) ),
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wxPoint( kicad_x( v2.x ), kicad_y( v2.y ) ), *v1.curve );
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double angle = DEG2RAD( *v1.curve );
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double end_angle = atan2( kicad_y( v2.y ) - center.y,
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kicad_x( v2.x ) - center.x );
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double radius = sqrt( pow( center.x - kicad_x( v1.x ), 2 )
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+ pow( center.y - kicad_y( v1.y ), 2 ) );
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// Get the first vertex and iterate
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wxXmlNode* vertex = aPolyNode->GetChildren();
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std::vector<EVERTEX> vertices;
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// If we are curving, we need at least 2 segments otherwise
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// delta_angle == angle
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double delta_angle = angle / std::max(
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2, GetArcToSegmentCount( KiROUND( radius ),
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ARC_HIGH_DEF, *v1.curve ) - 1 );
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// Create a circular vector of vertices
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// The "curve" parameter indicates a curve from the current
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// to the next vertex, so we keep the first at the end as well
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// to allow the curve to link back
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while( vertex )
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{
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if( vertex->GetName() == "vertex" )
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vertices.push_back( EVERTEX( vertex ) );
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vertex = vertex->GetNext();
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}
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vertices.push_back( vertices[0] );
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for( size_t i = 0; i < vertices.size() - 1; i++ )
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{
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EVERTEX v1 = vertices[i];
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// Append the corner
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zone->AppendCorner( wxPoint( kicad_x( v1.x ), kicad_y( v1.y ) ), -1 );
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if( v1.curve )
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for( double a = end_angle + angle;
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fabs( a - end_angle ) > fabs( delta_angle );
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a -= delta_angle )
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{
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EVERTEX v2 = vertices[i + 1];
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wxPoint center = ConvertArcCenter(
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wxPoint( kicad_x( v1.x ), kicad_y( v1.y ) ),
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wxPoint( kicad_x( v2.x ), kicad_y( v2.y ) ), *v1.curve );
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double angle = DEG2RAD( *v1.curve );
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double end_angle = atan2( kicad_y( v2.y ) - center.y,
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kicad_x( v2.x ) - center.x );
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double radius = sqrt( pow( center.x - kicad_x( v1.x ), 2 )
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+ pow( center.y - kicad_y( v1.y ), 2 ) );
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// If we are curving, we need at least 2 segments otherwise
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// delta_angle == angle
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double delta_angle = angle / std::max(
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2, GetArcToSegmentCount( KiROUND( radius ),
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ARC_HIGH_DEF, *v1.curve ) - 1 );
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for( double a = end_angle + angle;
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fabs( a - end_angle ) > fabs( delta_angle );
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a -= delta_angle )
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{
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zone->AppendCorner(
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wxPoint( KiROUND( radius * cos( a ) ),
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KiROUND( radius * sin( a ) ) ) + center,
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-1 );
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}
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zone->AppendCorner(
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wxPoint( KiROUND( radius * cos( a ) ),
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KiROUND( radius * sin( a ) ) ) + center,
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-1 );
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}
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}
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// If the pour is a cutout it needs to be set to a keepout
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if( p.pour == EPOLYGON::CUTOUT )
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{
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zone->SetIsKeepout( true );
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zone->SetDoNotAllowCopperPour( true );
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zone->SetHatchStyle( ZONE_CONTAINER::NO_HATCH );
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}
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// if spacing is set the zone should be hatched
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// However, use the default hatch step, p.spacing value has no meaning for Kicad
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// TODO: see if this parameter is related to a grid fill option.
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if( p.spacing )
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zone->SetHatch( ZONE_CONTAINER::DIAGONAL_EDGE, zone->GetDefaultHatchPitch(), true );
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// clearances, etc.
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zone->SetArcSegmentCount( 32 ); // @todo: should be a constructor default?
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zone->SetMinThickness( p.width.ToPcbUnits() );
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// FIXME: KiCad zones have very rounded corners compared to eagle.
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// This means that isolation amounts that work well in eagle
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// tend to make copper intrude in soldermask free areas around pads.
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if( p.isolate )
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zone->SetZoneClearance( p.isolate->ToPcbUnits() );
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else
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zone->SetZoneClearance( 0 );
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// missing == yes per DTD.
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bool thermals = !p.thermals || *p.thermals;
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zone->SetPadConnection( thermals ? PAD_ZONE_CONN_THERMAL : PAD_ZONE_CONN_FULL );
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if( thermals )
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{
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// FIXME: eagle calculates dimensions for thermal spokes
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// based on what the zone is connecting to.
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// (i.e. width of spoke is half of the smaller side of an smd pad)
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// This is a basic workaround
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zone->SetThermalReliefGap( p.width.ToPcbUnits() + 50000 ); // 50000nm == 0.05mm
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zone->SetThermalReliefCopperBridge( p.width.ToPcbUnits() + 50000 );
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}
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int rank = p.rank ? (p.max_priority - *p.rank) : p.max_priority;
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zone->SetPriority( rank );
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}
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// If the pour is a cutout it needs to be set to a keepout
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if( p.pour == EPOLYGON::CUTOUT )
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{
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zone->SetIsKeepout( true );
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zone->SetDoNotAllowCopperPour( true );
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zone->SetHatchStyle( ZONE_CONTAINER::NO_HATCH );
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}
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// if spacing is set the zone should be hatched
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// However, use the default hatch step, p.spacing value has no meaning for Kicad
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// TODO: see if this parameter is related to a grid fill option.
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if( p.spacing )
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zone->SetHatch( ZONE_CONTAINER::DIAGONAL_EDGE, zone->GetDefaultHatchPitch(), true );
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// clearances, etc.
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zone->SetArcSegmentCount( 32 ); // @todo: should be a constructor default?
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zone->SetMinThickness( p.width.ToPcbUnits() );
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// FIXME: KiCad zones have very rounded corners compared to eagle.
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// This means that isolation amounts that work well in eagle
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// tend to make copper intrude in soldermask free areas around pads.
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if( p.isolate )
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zone->SetZoneClearance( p.isolate->ToPcbUnits() );
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else
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zone->SetZoneClearance( 0 );
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// missing == yes per DTD.
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bool thermals = !p.thermals || *p.thermals;
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zone->SetPadConnection( thermals ? PAD_ZONE_CONN_THERMAL : PAD_ZONE_CONN_FULL );
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if( thermals )
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{
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// FIXME: eagle calculates dimensions for thermal spokes
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// based on what the zone is connecting to.
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// (i.e. width of spoke is half of the smaller side of an smd pad)
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// This is a basic workaround
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zone->SetThermalReliefGap( p.width.ToPcbUnits() + 50000 ); // 50000nm == 0.05mm
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zone->SetThermalReliefCopperBridge( p.width.ToPcbUnits() + 50000 );
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}
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int rank = p.rank ? (p.max_priority - *p.rank) : p.max_priority;
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zone->SetPriority( rank );
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return zone;
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}
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