/**
* _more_
*
* @param value _more_
*/
public void setPointSize(float value) {
super.setPointSize(value);
if (myDisplay != null) {
try {
myDisplay.setPointSize(getPointSize());
} catch (Exception e) {
logException("Setting point size", e);
}
}
}
/**
* Set the useTexture3D property
*
* @param use the useTexture3D property
*/
public void setUseTexture3D(boolean use) {
useTexture3D = use;
if (myDisplay != null) {
try {
myDisplay.addConstantMap(
new ConstantMap(
useTexture3D ? GraphicsModeControl.TEXTURE3D : GraphicsModeControl.STACK2D,
Display.Texture3DMode));
} catch (Exception e) {
logException("setUseTexture3D", e);
}
}
}
/**
* Call to help make this kind of Display Control; also calls code to made the Displayable (empty
* of data thus far). This method is called from inside DisplayControlImpl.init(several args).
*
* @param dataChoice the DataChoice of the moment.
* @return true if successful
* @throws RemoteException Java RMI error
* @throws VisADException VisAD Error
*/
public boolean init(DataChoice dataChoice) throws VisADException, RemoteException {
if (!isDisplay3D()) {
LogUtil.userMessage(log_, "Can't render volume in 2D display");
return false;
}
myDisplay = new VolumeDisplayable("volrend_" + dataChoice);
myDisplay.setUseRGBTypeForSelect(true);
myDisplay.addConstantMap(
new ConstantMap(
useTexture3D ? GraphicsModeControl.TEXTURE3D : GraphicsModeControl.STACK2D,
Display.Texture3DMode));
myDisplay.setPointSize(getPointSize());
addDisplayable(myDisplay, getAttributeFlags());
// Now, set the data. Return false if it fails.
if (!setData(dataChoice)) {
return false;
}
// Now set up the flags and add the displayable
return true;
}
/**
* 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");
}
