/** check for flow mappings; does not allow flow mapping through CoordinateSystem */ private String findFlow( ShadowTupleType shadow, DisplayImpl display, DisplayTupleType[] tuples, int[] flowToComponent) { ShadowRealType[] components = shadow.getRealComponents(); for (int i = 0; i < components.length; i++) { int num_flow_per_real = 0; Enumeration maps = components[i].getSelectedMapVector().elements(); while (maps.hasMoreElements()) { ScalarMap map = (ScalarMap) maps.nextElement(); DisplayRealType dreal = map.getDisplayScalar(); DisplayTupleType tuple = dreal.getTuple(); if (Display.DisplayFlow1Tuple.equals(tuple) || Display.DisplayFlow2Tuple.equals(tuple)) { if (tuples[0] != null) { if (!tuples[0].equals(tuple)) { return multipleFlowTuples; } } else { tuples[0] = tuple; } num_flow_per_real++; if (num_flow_per_real > 1) { return multipleFlowMapping; } int index = dreal.getTupleIndex(); flowToComponent[index] = i; directMap[index] = map; } else if (Display.DisplayFlow1SphericalTuple.equals(tuple) || Display.DisplayFlow2SphericalTuple.equals(tuple)) { if (tuples[0] != null) { if (!tuples[0].equals(tuple)) { return multipleFlowTuples; } } else { tuples[0] = tuple; coord = tuple.getCoordinateSystem(); } num_flow_per_real++; if (num_flow_per_real > 1) { return multipleFlowMapping; } int index = dreal.getTupleIndex(); flowToComponent[index] = i; directMap[index] = map; } } // while (maps.hasMoreElements()) } return null; }