if ((*iter)->get_type() != Duck::TYPE_VERTEX &&
(*iter)->get_type() != Duck::TYPE_POSITION)
{
+ // we don't need to mirror radius ducks - they're one-dimensional
+ if ((*iter)->is_radius())
+ continue;
+
Vector p(positions[i]);
if (axis==AXIS_X) p[0] = -(p[0]-center[0]) + center[0];