void setupServerData(LocalDisplay[] dpys) throws RemoteException, VisADException { Unit super_degree = CommonUnit.degree.scale(2.5); RealType lon = RealType.getRealType("lon", super_degree); DataReference ref = loadFile(); if (ref == null) { System.err.println("must specify netCDF file name"); System.exit(1); return; } FieldImpl netcdf_data = (FieldImpl) ref.getData(); // compute ScalarMaps from type components FunctionType ftype = (FunctionType) netcdf_data.getType(); RealTupleType dtype = ftype.getDomain(); MathType rntype = ftype.getRange(); int n = dtype.getDimension(); dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(0), Display.XAxis)); if (n > 1) { dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(1), Display.YAxis)); } if (n > 2) { dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(2), Display.ZAxis)); } if (rntype instanceof RealType) { dpys[0].addMap(new ScalarMap((RealType) rntype, Display.Green)); if (n <= 2) { dpys[0].addMap(new ScalarMap((RealType) rntype, Display.ZAxis)); } } else if (rntype instanceof RealTupleType) { int m = ((RealTupleType) rntype).getDimension(); RealType rr = (RealType) ((RealTupleType) rntype).getComponent(0); dpys[0].addMap(new ScalarMap(rr, Display.Green)); if (n <= 2) { if (m > 1) { rr = (RealType) ((RealTupleType) rntype).getComponent(1); } dpys[0].addMap(new ScalarMap(rr, Display.ZAxis)); } } dpys[0].addMap(new ConstantMap(0.5, Display.Red)); dpys[0].addMap(new ConstantMap(0.0, Display.Blue)); dpys[0].addReference(ref, null); System.out.println("now saving data as 'save.nc' and re-reading"); Plain plain = new Plain(); try { plain.save("save.nc", netcdf_data, true); netcdf_data = (FieldImpl) plain.open("save.nc"); } catch (IOException e) { System.err.println("Couldn't open \"save.nc\": " + e.getMessage()); System.exit(1); return; } }
/** create parallel coordinates display for data */ public static void parallel(DisplayImpl display, FlatField data) throws VisADException, RemoteException { FunctionType ftype = (FunctionType) data.getType(); RealType index = (RealType) ftype.getDomain().getComponent(0); RealTupleType range = (RealTupleType) ftype.getRange(); int ncoords = range.getDimension(); int nrows = data.getLength(); Set index_set = data.getDomainSet(); float[][] samples = data.getFloats(false); RealType x = RealType.getRealType("coordinate"); RealType y = RealType.getRealType("value"); SetType xy = new SetType(new RealTupleType(x, y)); FunctionType ptype = new FunctionType(index, xy); FieldImpl pfield = new FieldImpl(ptype, index_set); for (int j = 0; j < nrows; j++) { float[][] locs = new float[2][ncoords]; for (int i = 0; i < ncoords; i++) { locs[0][i] = i; locs[1][i] = samples[i][j]; } Gridded2DSet set = new Gridded2DSet(xy, locs, ncoords); pfield.setSample(j, set, false); } // create a DataReference for river system DataReference parallel_ref = new DataReferenceImpl("parallel"); parallel_ref.setData(pfield); display.addMap(new ScalarMap(x, Display.XAxis)); display.addMap(new ScalarMap(y, Display.YAxis)); // enable axis scales display.getGraphicsModeControl().setScaleEnable(true); // link display to parallel display display.addReference(parallel_ref); }
void setupServerData(LocalDisplay[] dpys) throws RemoteException, VisADException { DefaultFamily df = new DefaultFamily("loader"); DataReference ref1 = loadFile(df, file1, "img1"); if (ref1 == null) { System.err.println("\"" + file1 + "\" is not a valid file"); System.exit(1); return; } DataReference ref2 = loadFile(df, file2, "img2"); if (ref2 == null) { System.err.println("\"" + file2 + "\" is not a valid file"); System.exit(1); return; } FlatField img1 = (FlatField) ref1.getData(); FlatField img2 = (FlatField) ref2.getData(); /* if (!img1.getType().equals(img2.getType())) { System.err.println("Incompatible file types:"); System.err.println(" " + file1 + ": " + img1.getType()); System.err.println(" " + file2 + ": " + img2.getType()); System.exit(1); return; } */ // compute ScalarMaps from type components FunctionType ftype = (FunctionType) img1.getType(); RealTupleType dtype = ftype.getDomain(); RealTupleType rtype = (RealTupleType) ftype.getRange(); /* map domain elements to spatial axes */ final int dLen = dtype.getDimension(); for (int i = 0; i < dLen; i++) { ScalarType scalT; DisplayRealType dpyRT; switch (i) { case 0: dpyRT = Display.XAxis; break; case 1: dpyRT = Display.YAxis; break; case 2: dpyRT = Display.ZAxis; break; default: dpyRT = null; break; } if (dpyRT != null) { dpys[0].addMap(new ScalarMap((RealType) dtype.getComponent(i), dpyRT)); } } /* map range elements to colors */ final int rLen = rtype.getDimension(); for (int i = 0; i < rLen; i++) { ScalarType scalT; DisplayRealType dpyRT; switch (i) { case 0: dpyRT = Display.Red; break; case 1: dpyRT = Display.Green; break; case 2: dpyRT = Display.Blue; break; default: dpyRT = null; break; } if (dpyRT != null) { dpys[0].addMap(new ScalarMap((RealType) rtype.getComponent(i), dpyRT)); } } dpys[0].addReference(ref1, null); dpys[0].addReference(ref2, null); dpys[0].addActivityHandler(new SwitchGIFs(dpys[0])); }