pass round boards to freerouter via specctra_export
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Dick Hollenbeck
parent
d55ab920d2
commit
a26e59d8ed
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@ -855,6 +855,38 @@ PADSTACK* SPECCTRA_DB::makeVia( const SEGVIA* aVia )
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}
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/**
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* Function makeCircle
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* does a line segmented circle into aPath.
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*/
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static void makeCircle( PATH* aPath, DRAWSEGMENT* aGraphic )
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{
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// do a circle segmentation
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const int STEPS = 2 * 36;
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wxPoint start;
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wxPoint center = aGraphic->GetCenter();
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int radius = aGraphic->GetRadius();
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double angle = 3600.0;
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start = center;
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start.x += radius;
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wxPoint nextPt;
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for( int step = 0; step<STEPS; ++step )
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{
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double rotation = ( angle * step ) / STEPS;
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nextPt = start;
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RotatePoint( &nextPt.x, &nextPt.y, center.x, center.y, rotation );
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aPath->AppendPoint( mapPt( nextPt ) );
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}
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}
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void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ERROR )
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{
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TYPE_COLLECTOR items;
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@ -948,10 +980,18 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
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break;
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case S_CIRCLE:
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// Freerouter does not understand circles.
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// This might be a mounting hole or something, ignore it without error
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// because some of our demo boards have used the edges pcb layer to
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// hold islanded circles, rather than simply using holes.
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{
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wxPoint pt = graphic->GetCenter();
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// pt has minimum x point
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pt.x -= graphic->GetRadius();
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if( pt.x < xmin.x )
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{
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xmin = pt;
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xmini = i;
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}
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}
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break;
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default:
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@ -974,112 +1014,110 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
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// The first DRAWSEGMENT is in 'graphic', ok to remove it from 'items'
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items.Remove( xmini );
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wxPoint startPt = wxPoint( graphic->GetEnd() );
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prevPt = graphic->GetEnd();
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path->AppendPoint( mapPt( prevPt ) );
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// Do not append the other end point yet of this 'graphic', this first
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// 'graphic' might be an arc.
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// Set maximum proximity threshold for point to point nearness metric for
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// board perimeter only, not interior keepouts yet.
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prox = Mils2iu( 0 );
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// Output the Edge.Cuts perimeter polygon.
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for(;;)
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// Output the Edge.Cuts perimeter as circle or polygon.
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if( graphic->GetShape() == S_CIRCLE )
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{
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switch( graphic->GetShape() )
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makeCircle( path, graphic );
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}
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else
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{
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wxPoint startPt = wxPoint( graphic->GetEnd() );
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prevPt = graphic->GetEnd();
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path->AppendPoint( mapPt( prevPt ) );
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// Do not append the other end point yet of this 'graphic', this first
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// 'graphic' might be an arc.
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for(;;)
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{
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case S_SEGMENT:
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switch( graphic->GetShape() )
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{
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wxPoint nextPt;
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if( !close_enough( prevPt, graphic->GetStart(), prox ) )
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case S_SEGMENT:
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{
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wxASSERT( close_enough( prevPt, graphic->GetEnd(), prox ) );
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nextPt = graphic->GetStart();
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}
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else
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{
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wxASSERT( close_enough( prevPt, graphic->GetStart(), prox ) );
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nextPt = graphic->GetEnd();
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}
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wxPoint nextPt;
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path->AppendPoint( mapPt( nextPt ) );
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prevPt = nextPt;
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}
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break;
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case S_ARC:
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// Freerouter does not yet understand arcs, so approximate
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// an arc with a series of short lines and put those
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// line segments into the !same! PATH.
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{
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const int STEPS = 9; // in an arc of 90 degrees
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wxPoint start = graphic->GetArcStart();
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wxPoint end = graphic->GetArcEnd();
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wxPoint center = graphic->GetCenter();
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double angle = -graphic->GetAngle();
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if( !close_enough( prevPt, start, prox ) )
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{
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wxASSERT( close_enough( prevPt, graphic->GetArcEnd(), prox ) );
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angle = -angle;
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EXCHG( start, end );
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}
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wxPoint nextPt;
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for( int step = 1; step<=STEPS; ++step )
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{
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double rotation = ( angle * step ) / STEPS;
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nextPt = start;
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RotatePoint( &nextPt.x, &nextPt.y, center.x, center.y, rotation );
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if( !close_enough( prevPt, graphic->GetStart(), prox ) )
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{
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wxASSERT( close_enough( prevPt, graphic->GetEnd(), prox ) );
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nextPt = graphic->GetStart();
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}
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else
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{
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wxASSERT( close_enough( prevPt, graphic->GetStart(), prox ) );
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nextPt = graphic->GetEnd();
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}
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path->AppendPoint( mapPt( nextPt ) );
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prevPt = nextPt;
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}
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break;
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prevPt = nextPt;
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case S_ARC:
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// Freerouter does not yet understand arcs, so approximate
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// an arc with a series of short lines and put those
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// line segments into the !same! PATH.
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{
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const int STEPS = 9; // in an arc of 90 degrees
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wxPoint start = graphic->GetArcStart();
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wxPoint end = graphic->GetArcEnd();
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wxPoint center = graphic->GetCenter();
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double angle = -graphic->GetAngle();
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if( !close_enough( prevPt, start, prox ) )
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{
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wxASSERT( close_enough( prevPt, graphic->GetArcEnd(), prox ) );
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angle = -angle;
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EXCHG( start, end );
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}
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wxPoint nextPt;
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for( int step = 1; step<=STEPS; ++step )
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{
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double rotation = ( angle * step ) / STEPS;
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nextPt = start;
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RotatePoint( &nextPt.x, &nextPt.y, center.x, center.y, rotation );
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path->AppendPoint( mapPt( nextPt ) );
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}
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prevPt = nextPt;
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}
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break;
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default:
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{
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wxString error = wxString::Format( _( "Unsupported DRAWSEGMENT type %s" ),
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GetChars( BOARD_ITEM::ShowShape( (STROKE_T) graphic->GetShape() ) ) );
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ThrowIOError( error );
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}
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break;
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}
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break;
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case S_CIRCLE:
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// Freerouter does not understand circles. And although we can mimic
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// a circle for it by line segments, we'd have to ensure that the circle
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// was the only graphic on the board's edge. @todo that.
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//
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// Tell user his board has a problem, this is better than silently
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// ignoring the error.
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// fall thru here to report the error.
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if( close_enough( startPt, prevPt, prox ) ) // the polygon is closed.
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break;
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default:
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graphic = findPoint( prevPt, &items, prox );
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if( !graphic )
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{
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wxString error = wxString::Format( _( "Unsupported DRAWSEGMENT type %s" ),
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GetChars( BOARD_ITEM::ShowShape( (STROKE_T) graphic->GetShape() ) ) );
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wxString error = wxString::Format(
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_( "Unable to find the next segment with an endpoint of (%d,%d).\n"
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"Edit Edge.Cuts perimeter graphics, making them contiguous polygons each." ),
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prevPt.x,
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prevPt.y );
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ThrowIOError( error );
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}
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break;
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}
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if( close_enough( startPt, prevPt, prox ) ) // the polygon is closed.
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break;
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graphic = findPoint( prevPt, &items, prox );
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if( !graphic )
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{
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wxString error = wxString::Format(
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_( "Unable to find the next segment with an endpoint of (%d,%d).\n"
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"Edit Edge.Cuts perimeter graphics, making them contiguous polygons each." ),
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prevPt.x,
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prevPt.y );
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ThrowIOError( error );
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}
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}
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@ -1101,29 +1139,7 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
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if( graphic->GetShape() == S_CIRCLE )
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{
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// do a circle segmentation
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const int STEPS = 36;
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wxPoint start;
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wxPoint center = graphic->GetCenter();
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int radius = graphic->GetRadius();
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double angle = 3600.0;
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start = center;
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start.x += radius;
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wxPoint nextPt;
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for( int step = 0; step<STEPS; ++step )
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{
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double rotation = ( angle * step ) / STEPS;
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nextPt = start;
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RotatePoint( &nextPt.x, &nextPt.y, center.x, center.y, rotation );
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poly_ko->AppendPoint( mapPt( nextPt ) );
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}
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makeCircle( poly_ko, graphic );
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}
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else
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{
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