/**
* set aspect ratio of XAxis, YAxis & ZAxis in ScalarMaps rather than matrix (i.e., don't distort
* text fonts); won't work for spherical, polar, cylindrical coordinates
*
* @param aspect ratios; 3 elements for Java3D, 2 for Java2D
* @throws VisADException a VisAD error occurred
* @throws RemoteException an RMI error occurred
*/
void setAspectCartesian(double[] aspect) throws VisADException, RemoteException {
double asp = Double.NaN;
if (DisplayScalar.equals(Display.XAxis)) asp = aspect[0];
if (DisplayScalar.equals(Display.YAxis)) asp = aspect[1];
if (DisplayScalar.equals(Display.ZAxis)) asp = aspect[2];
if (asp == asp) {
isScaled = DisplayScalar.getRange(displayRange);
displayRange[0] *= asp;
displayRange[1] *= asp;
computeScaleAndOffset();
makeScale();
// needs work in AxisScale ****
}
// note XAxis, YAxis and ZAxis have no unit, so cannot be setRangeByUnits()
}
ScalarMap(ScalarType scalar, DisplayRealType display_scalar, boolean needNonNullScalar)
throws VisADException {
if (scalar == null && needNonNullScalar) {
throw new DisplayException("ScalarMap: scalar is null");
}
if (display_scalar == null) {
throw new DisplayException("ScalarMap: display_scalar is null");
}
if (display_scalar.equals(Display.List)) {
throw new DisplayException("ScalarMap: display_scalar may not be List");
}
boolean text = display_scalar.getText();
if (scalar != null) {
/* WLH 15 June 2000
if (text && !(scalar instanceof TextType)) {
throw new DisplayException("ScalarMap: RealType scalar cannot be " +
"used with TextType display_scalar");
}
*/
if (!text && !(scalar instanceof RealType)) {
throw new DisplayException(
"ScalarMap: TextType scalar cannot be " + "used with RealType display_scalar");
}
}
control = null;
Scalar = scalar;
DisplayScalar = display_scalar;
display = null;
ScalarIndex = -1;
DisplayScalarIndex = -1;
isScaled = DisplayScalar.getRange(displayRange);
isManual = false;
dataRange[0] = Double.NaN;
dataRange[1] = Double.NaN;
defaultUnitRange[0] = dataRange[0];
defaultUnitRange[1] = dataRange[1];
OldTick = Long.MIN_VALUE;
NewTick = Long.MIN_VALUE + 1;
tickFlag = false;
if (Scalar != null) scalarName = Scalar.getName();
if (DisplayScalar.equals(Display.XAxis)
|| DisplayScalar.equals(Display.YAxis)
|| DisplayScalar.equals(Display.ZAxis)) {
axisScale = new AxisScale(this);
}
}
