/** * Load the volume data to the display * * @throws RemoteException problem loading remote data * @throws VisADException problem loading the data */ private void loadVolumeData() throws VisADException, RemoteException { Trace.call1("VRC.loadVolumeData"); FieldImpl grid = getGridDataInstance().getGrid(); FieldImpl newGrid = grid; if (getSkipValue() > 0) { grid = GridUtil.subset(grid, getSkipValue() + 1); newGrid = grid; } if (!usePoints) { // make sure the projection is correct before we start // transforming the data setProjectionInView(true, true); CoordinateSystem cs = getNavigatedDisplay().getDisplayCoordinateSystem(); if ((cs != null) && (getNavigatedDisplay() instanceof MapProjectionDisplay)) { try { if (GridUtil.isConstantSpatialDomain(grid)) { newGrid = makeLinearGrid(grid, cs); } else { Set timeSet = GridUtil.getTimeSet(grid); for (int i = 0; i < timeSet.getLength(); i++) { FieldImpl timeField = makeLinearGrid((FieldImpl) grid.getSample(i, false), cs); if (i == 0) { FunctionType ft = new FunctionType( ((SetType) timeSet.getType()).getDomain(), timeField.getType()); newGrid = new FieldImpl(ft, timeSet); } newGrid.setSample(i, timeField, false); } } } catch (VisADException ve) { ve.printStackTrace(); userErrorMessage( "Can't render volume for " + paramName + " in this projection. Try using the data projection"); newGrid = grid; } } } Trace.call1("VRC.loadVolumeData.loadData"); myDisplay.loadData(newGrid); Trace.call2("VRC.loadVolumeData.loadData"); Trace.call2("loadVolumeData"); }