def draw(self, dc):
self._cost_map = CanvasCostmap()
for mod in self.getObjects(gModule):
self._cost_map.addModule( mod.getPosition(), mod.getSize() )
connections = self.getObjects( coConnection )
for con in connections:
con.reroute(dc)
self._cost_map.addWire( con )
SimpleCanvas.draw(self, dc)
