def modify_state_for_body(s, body):
            s.layers['segmentation'].segments = frozenset([body.segment_id])
            s.voxel_coordinates = body.bbox_start + body.bbox_size // 2
def draw_path(self,c,container):
		c.path(self.center[0],self.center[1],container.center[0],container.center[1])