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Fix VRML export bug. 

* Split graphic circle objects into two 180 degree arcs to prevent the
  VRML_LAYER::AddCircle() function from obscuring objects in the hole
  (cut out) area of the circle.
This commit is contained in:
Wayne Stambaugh 2015-09-09 11:08:53 -04:00
parent 5659e3f8dc
commit 42ecf0a994
1 changed files with 8 additions and 3 deletions
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11
pcbnew/exporters/export_vrml.cpp
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@ -124,6 +124,7 @@ enum VRML_COLOR_INDEX
VRML_COLOR_TRACK,
VRML_COLOR_SILK,
VRML_COLOR_TIN,
VRML_COLOR_TRANSPARENT,
VRML_COLOR_LAST
};
@ -583,6 +584,7 @@ static void export_vrml_drawsegment( MODEL_VRML& aModel, DRAWSEGMENT* drawseg )
double y = drawseg->GetStart().y * aModel.scale;
double xf = drawseg->GetEnd().x * aModel.scale;
double yf = drawseg->GetEnd().y * aModel.scale;
double r = sqrt( pow( x - xf, 2 ) + pow( y - yf, 2 ) );
// Items on the edge layer are handled elsewhere; just return
if( layer == Edge_Cuts )
@ -600,7 +602,10 @@ static void export_vrml_drawsegment( MODEL_VRML& aModel, DRAWSEGMENT* drawseg )
break;
case S_CIRCLE:
export_vrml_circle( aModel, layer, x, y, xf, yf, w );
// Break circles into two 180 arcs to prevent the vrml hole from obscuring objects
// within the hole area of the circle.
export_vrml_arc( aModel, layer, x, y, x, y-r, w, 180.0 );
export_vrml_arc( aModel, layer, x, y, x, y+r, w, 180.0 );
break;
default:
@ -671,9 +676,9 @@ static void export_vrml_pcbtext( MODEL_VRML& aModel, TEXTE_PCB* text )
static void export_vrml_drawings( MODEL_VRML& aModel, BOARD* pcb )
{
// draw graphic items
for( EDA_ITEM* drawing = pcb->m_Drawings; drawing != 0; drawing = drawing->Next() )
for( BOARD_ITEM* drawing = pcb->m_Drawings; drawing != 0; drawing = drawing->Next() )
{
LAYER_ID layer = ( (DRAWSEGMENT*) drawing )->GetLayer();
LAYER_ID layer = drawing->GetLayer();
if( layer != F_Cu && layer != B_Cu && layer != B_SilkS && layer != F_SilkS )
continue;