Pcbnew: Export vrml: fix an issue for 3D shapes having a local offset defined: the local offset was not correctly scaled.

pcbnew/class_zone.cpp

@@ -300,7 +300,10 @@ void ZONE_CONTAINER::DrawFilledArea( EDA_DRAW_PANEL* panel,
              * with outlines thickness = 0 is a faster than
              * just draw filled polygons but with outlines thickness = m_ZoneMinThickness
              * So DO NOT use draw filled polygons with outlines having a thickness  > 0
-             * Note: Extra segments ( added by kbool to joint holes with external outline) are not drawn
+             * Note: Extra segments ( added to joint holes with external outline) flagged by
+             * m_utility != 0 are not drawn
+             * Note not all polygon libraries provide a flag for these extra-segments, therefore
+             * the m_utility member can be always 0
              */
             {
                 // Draw outlines:

pcbnew/export_vrml.cpp

@@ -1111,10 +1111,11 @@ static void export_vrml_module( BOARD* aPcb, MODULE* aModule,
             fprintf( aOutputFile, "  rotation %g %g %g %g\n", rot[0], rot[1], rot[2], rot[3] );
         }
 
-        // adjust 3D shape offset position
-        int offsetx = vrmlm->m_MatPosition.x;
-        int offsety = vrmlm->m_MatPosition.y;
-        double offsetz = vrmlm->m_MatPosition.z;
+        // adjust 3D shape local offset position
+        // they are given in inch, so they are converted in board IU.
+        double offsetx = vrmlm->m_MatPosition.x * IU_PER_MILS * 1000.0;
+        double offsety = vrmlm->m_MatPosition.y * IU_PER_MILS * 1000.0;
+        double offsetz = vrmlm->m_MatPosition.z * IU_PER_MILS * 1000.0;
 
         if ( isFlipped )
             NEGATE(offsetz);
@@ -1124,8 +1125,8 @@ static void export_vrml_module( BOARD* aPcb, MODULE* aModule,
         RotatePoint(&offsetx, &offsety, aModule->GetOrientation());
 
         fprintf( aOutputFile, "  translation %g %g %g\n",
-                 (double) (offsetx + aModule->m_Pos.x) * boardIU2WRML,
-                 - (double)(offsety + aModule->m_Pos.y) * boardIU2WRML,    // Y axis is reversed in Pcbnew
+                 (offsetx + aModule->m_Pos.x) * boardIU2WRML,
+                 - (offsety + aModule->m_Pos.y) * boardIU2WRML,    // Y axis is reversed in Pcbnew
                  offsetz + layer_z[aModule->GetLayer()] * boardIU2WRML);
 
         fprintf( aOutputFile, "  scale %g %g %g\n",

polygon/PolyLine.cpp

@@ -1,7 +1,8 @@
 // PolyLine.cpp ... implementation of CPolyLine class from FreePCB.
 
 //
-// implementation for kicad and kbool polygon clipping library
+// implementation for kicad, using clipper polygon clipping library
+// for transformations not handled (at least for Kicad) by boost::polygon
 //
 #include <cmath>
 #include <vector>

polygon/PolyLine.h

@@ -17,7 +17,6 @@
 
 #include <vector>
 
-//#include <kbool/include/kbool/booleng.h>
 #include <pad_shapes.h>
 #include <wx/gdicmn.h>      // for wxPoint definition