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]));
}
