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pass round boards to freerouter via specctra_export

This commit is contained in:
Dick Hollenbeck 2013-05-01 08:36:26 -05:00
parent d55ab920d2
commit a26e59d8ed
1 changed files with 130 additions and 114 deletions
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98
pcbnew/specctra_export.cpp
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@ -855,6 +855,38 @@ PADSTACK* SPECCTRA_DB::makeVia( const SEGVIA* aVia )
}
/**
* Function makeCircle
* does a line segmented circle into aPath.
*/
static void makeCircle( PATH* aPath, DRAWSEGMENT* aGraphic )
{
// do a circle segmentation
const int STEPS = 2 * 36;
wxPoint start;
wxPoint center = aGraphic->GetCenter();
int radius = aGraphic->GetRadius();
double angle = 3600.0;
start = center;
start.x += radius;
wxPoint nextPt;
for( int step = 0; step<STEPS; ++step )
{
double rotation = ( angle * step ) / STEPS;
nextPt = start;
RotatePoint( &nextPt.x, &nextPt.y, center.x, center.y, rotation );
aPath->AppendPoint( mapPt( nextPt ) );
}
}
void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ERROR )
{
TYPE_COLLECTOR items;
@ -948,10 +980,18 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
break;
case S_CIRCLE:
// Freerouter does not understand circles.
// This might be a mounting hole or something, ignore it without error
// because some of our demo boards have used the edges pcb layer to
// hold islanded circles, rather than simply using holes.
{
wxPoint pt = graphic->GetCenter();
// pt has minimum x point
pt.x -= graphic->GetRadius();
if( pt.x < xmin.x )
{
xmin = pt;
xmini = i;
}
}
break;
default:
@ -974,6 +1014,17 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
// The first DRAWSEGMENT is in 'graphic', ok to remove it from 'items'
items.Remove( xmini );
// Set maximum proximity threshold for point to point nearness metric for
// board perimeter only, not interior keepouts yet.
prox = Mils2iu( 0 );
// Output the Edge.Cuts perimeter as circle or polygon.
if( graphic->GetShape() == S_CIRCLE )
{
makeCircle( path, graphic );
}
else
{
wxPoint startPt = wxPoint( graphic->GetEnd() );
prevPt = graphic->GetEnd();
@ -982,11 +1033,6 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
// Do not append the other end point yet of this 'graphic', this first
// 'graphic' might be an arc.
// Set maximum proximity threshold for point to point nearness metric for
// board perimeter only, not interior keepouts yet.
prox = Mils2iu( 0 );
// Output the Edge.Cuts perimeter polygon.
for(;;)
{
switch( graphic->GetShape() )
@ -1048,15 +1094,6 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
}
break;
case S_CIRCLE:
// Freerouter does not understand circles. And although we can mimic
// a circle for it by line segments, we'd have to ensure that the circle
// was the only graphic on the board's edge. @todo that.
//
// Tell user his board has a problem, this is better than silently
// ignoring the error.
// fall thru here to report the error.
default:
{
wxString error = wxString::Format( _( "Unsupported DRAWSEGMENT type %s" ),
@ -1082,6 +1119,7 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
ThrowIOError( error );
}
}
}
// Output the interior Edge.Cuts graphics as keepouts, using nearness metric
// for sloppy graphical items.
@ -1101,29 +1139,7 @@ void SPECCTRA_DB::fillBOUNDARY( BOARD* aBoard, BOUNDARY* boundary ) throw( IO_ER
if( graphic->GetShape() == S_CIRCLE )
{
// do a circle segmentation
const int STEPS = 36;
wxPoint start;
wxPoint center = graphic->GetCenter();
int radius = graphic->GetRadius();
double angle = 3600.0;
start = center;
start.x += radius;
wxPoint nextPt;
for( int step = 0; step<STEPS; ++step )
{
double rotation = ( angle * step ) / STEPS;
nextPt = start;
RotatePoint( &nextPt.x, &nextPt.y, center.x, center.y, rotation );
poly_ko->AppendPoint( mapPt( nextPt ) );
}
makeCircle( poly_ko, graphic );
}
else
{