question: returns the center of the line concode_field_sep VectorXZ rightNormal concode_elem_sep MapNode startNode concode_elem_sep VectorXZ direction concode_elem_sep MapNode endNode concode_field_sep MapNode getOtherNode concode_elem_sep VectorXZ getRightNormal concode_elem_sep VectorXZ getDirection concode_elem_sep LineSegmentXZ getLineSegment concode_elem_sep boolean isConnectedTo concode_elem_sep boolean isConnectedTo concode_elem_sep MapNode getEndNode concode_elem_sep List<MapNode> getStartEndNodes concode_elem_sep boolean sharesBothNodes concode_elem_sep MapNode getStartNode
target: VectorXZ function ( ) { return ( startNode . getPos ( ) . add ( endNode . getPos ( ) ) ) . mult ( 0.5 ) ; }