/**
* Creates the Control for the associated DisplayScalar. This method invokes the method {@link
* ScalarMapListener#controlChanged(ScalarMapControlEvent)} on all registered {@link
* ScalarMapListener}s with this instance as the event source and {@link
* ScalarMapEvent#CONTROL_ADDED} or {@link ScalarMapEvent#CONTROL_REPLACED} as the event ID --
* depending on whether this is the first control or not. The event control is the previous
* control if the event ID is {@link ScalarMapEvent#CONTROL_REPLACED}. If the event ID is {@link
* ScalarMapEvent#CONTROL_ADDED}, then the event control is the created control or <code>null
* </code> -- depending on whether or not the control was successfully created.
*
* @throws RemoteException Java RMI failure
* @throws VisADException VisAD failure
*/
synchronized void setControl() throws VisADException, RemoteException {
int evtID;
Control evtCtl;
if (control != null) {
evtID = ScalarMapEvent.CONTROL_REPLACED;
evtCtl = control;
} else {
evtID = ScalarMapEvent.CONTROL_ADDED;
evtCtl = null;
}
if (display == null) {
throw new DisplayException("ScalarMap.setControl: not part of " + "any Display");
}
control = display.getDisplayRenderer().makeControl(this);
if (control != null) {
display.addControl(control);
if (evtCtl == null) {
evtCtl = control;
}
}
if (control != null || evtCtl != null) {
notifyCtlListeners(new ScalarMapControlEvent(this, evtID, evtCtl));
}
}
/**
* Create the scale that is displayed. This is called automatically when <CODE>setRange(lo, hi)
* </CODE> and <CODE>setDisplay</CODE> are called. It makes a call to <CODE>AxisScale.makeScale()
* </CODE> where the actual hard work is done.
*
* @throws VisADException VisAD error.
*/
public void makeScale() throws VisADException {
if (axisScale != null) {
DisplayRenderer displayRenderer = null;
if (display == null) return;
displayRenderer = display.getDisplayRenderer();
if (displayRenderer == null) return;
boolean scaleMade = axisScale.makeScale();
if (scaleMade) {
// displayRenderer.setScale(axis, axis_ordinal, array, scale_color);
if (scale_on) {
displayRenderer.setScale(axisScale);
} else {
displayRenderer.clearScale(axisScale);
}
scale_flag = false;
}
}
}
public void displayChanged(DisplayEvent e) throws RemoteException, VisADException {
if (e.getId() == DisplayEvent.FRAME_DONE) {
DisplayImpl display = (DisplayImpl) e.getDisplay();
DisplayRenderer dr = display.getDisplayRenderer();
MouseBehavior mb = dr.getMouseBehavior();
double[] position1 = null;
double[] position2 = null;
if (display instanceof DisplayImplJ3D) {
position1 = new double[] {1.0, 1.0, 1.0};
position2 = new double[] {-1.0, -1.0, -1.0};
} else {
position1 = new double[] {1.0, 1.0};
position2 = new double[] {-1.0, -1.0};
}
int[] screen1 = mb.getScreenCoords(position1);
int[] screen2 = mb.getScreenCoords(position2);
// System.out.println("screen1 = (" + screen1[0] + ", " + screen1[1] +")");
// System.out.println("screen2 = (" + screen2[0] + ", " + screen2[1] +")");
}
}
public static void main(String[] args) throws Exception {
DisplayImpl display = new DisplayImplJ2D("display");
display.getDisplayRenderer().setBoxOn(false);
double[] matrix = display.getProjectionControl().getMatrix();
matrix[0] = 1.25;
matrix[3] = -1.25;
display.getProjectionControl().setMatrix(matrix);
display.addMap(new ScalarMap(RealType.YAxis, Display.YAxis));
display.addMap(new ScalarMap(RealType.XAxis, Display.XAxis));
float[][] values = new float[3][220];
int l = 0;
for (int x = 0; x < 11; x++) {
for (int y = 0; y < 20; y++) {
values[0][l] = -1.f + y / 10.f;
values[1][l] = 1.f - x / 4.f;
values[2][l] = l++;
}
}
Gridded3DSet set = new Gridded3DSet(RealTupleType.SpatialCartesian3DTuple, values, l);
ScalarMap shapeMap = new ScalarMap(RealType.ZAxis, Display.Shape);
display.addMap(shapeMap);
ShapeControl sc = (ShapeControl) shapeMap.getControl();
sc.setShapeSet(new Integer1DSet(l));
sc.setShapes(WeatherSymbols.getAllMetSymbols());
sc.setScale(0.1f);
DataReference ref = new DataReferenceImpl("ref");
ref.setData(set);
display.addReference(ref);
JFrame frame = new JFrame("Weather Symbol Plot Test");
frame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(display.getComponent());
frame.pack();
frame.setSize(500, 500);
frame.setVisible(true);
}
/**
* Returns the dimensionality of the display.
*
* @return The dimensionality of the display (either 2 or 3).
*/
public int getDimensionality() {
return display.getDisplayRenderer().getMode2D() ? 2 : 3;
}