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Adding segmentation to Eagle curved track import 

Eagle tracks can have curves.  We approximate this using the
segments_per_360 define.  This results in 32 segments for a 360-degree
curve.  We could increase this value for curved tracks to get closer
tracking with the Eagle layout if needed.

Fixes: lp:1753289
* https://bugs.launchpad.net/kicad/+bug/1753289
This commit is contained in:
Seth Hillbrand 2018-03-08 19:08:37 -08:00
parent ea4cee3393
commit f7cbf157a9
1 changed files with 53 additions and 6 deletions
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59
pcbnew/eagle_plugin.cpp
View File

@ -74,6 +74,9 @@ Load() TODO's
#include <eagle_plugin.h>
// KiCad doesn't currently have curved tracks, so we use high-def for zone
#define EAGLE_CURVE_DELTA ( 360.0 / ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF )
using namespace std;
@ -1739,17 +1742,61 @@ void EAGLE_PLUGIN::loadSignals( wxXmlNode* aSignals )
if( IsCopperLayer( layer ) )
{
TRACK* t = new TRACK( m_board );
t->SetTimeStamp( EagleTimeStamp( netItem ) );
t->SetPosition( wxPoint( kicad_x( w.x1 ), kicad_y( w.y1 ) ) );
t->SetEnd( wxPoint( kicad_x( w.x2 ), kicad_y( w.y2 ) ) );
wxPoint start( kicad_x( w.x1 ), kicad_y( w.y1 ) );
double angle = 0.0;
double end_angle;
double radius;
wxPoint center;
int width = w.width.ToPcbUnits();
if( width < m_min_trace )
m_min_trace = width;
if( w.curve )
{
center = ConvertArcCenter(
wxPoint( kicad_x( w.x1 ), kicad_y( w.y1 ) ),
wxPoint( kicad_x( w.x2 ), kicad_y( w.y2 ) ),
*w.curve );
angle = DEG2RAD( *w.curve );
end_angle = atan2( kicad_y( w.y2 ) - center.y,
kicad_x( w.x2 ) - center.x );
radius = sqrt( pow( center.x - kicad_x( w.x1 ), 2 ) +
pow( center.y - kicad_y( w.y1 ), 2 ) );
}
while( fabs( angle ) > DEG2RAD( EAGLE_CURVE_DELTA ) )
{
wxPoint end( int( radius * cos( end_angle + angle ) + center.x ),
int( radius * sin( end_angle + angle ) + center.y ) );
TRACK* t = new TRACK( m_board );
t->SetTimeStamp( EagleTimeStamp( netItem ) + int( RAD2DEG( angle ) ) );
t->SetPosition( start );
t->SetEnd( end );
t->SetWidth( width );
t->SetLayer( layer );
t->SetNetCode( netCode );
m_board->m_Track.Insert( t, NULL );
start = end;
if( angle < 0 )
angle += DEG2RAD( EAGLE_CURVE_DELTA );
else
angle -= DEG2RAD( EAGLE_CURVE_DELTA );
}
TRACK* t = new TRACK( m_board );
t->SetTimeStamp( EagleTimeStamp( netItem ) );
t->SetPosition( start );
t->SetEnd( wxPoint( kicad_x( w.x2 ), kicad_y( w.y2 ) ) );
t->SetWidth( width );
t->SetLayer( layer );
t->SetNetCode( netCode );