/**
* @param refPt The geodetic position of the reference point.
* @param neiPt The holder for the geodetic position of the neighboring grid point.
* @param lat The latitude of the neighboring grid point.
* @param lon The longitude of the neighboring grid point.
* @param azTerm An amount in degrees to be added to the computed azimuth.
* @param bearing The holder for the computed range and bearing from the reference point to the
* neighboring grid point.
* @param hat 2-element output array for computed (x,y) components of unit vector.
*/
private static void compute(
LatLonPointImpl refPt,
LatLonPointImpl neiPt,
float lat,
float lon,
float azTerm,
Bearing bearing,
float[] hat) {
neiPt.set(lat, lon);
Bearing.calculateBearing(refPt, neiPt, bearing);
float az = (float) Math.toRadians(bearing.getAngle() + azTerm);
// System.out.println("bearing.Angle = " + bearing.getAngle() + "; azTerm = " + azTerm+ ";
// result= " + Math.toDegrees(az));
hat[0] = (float) Math.sin(az);
hat[1] = (float) Math.cos(az);
}
/**
* @param refPt The geodetic position of the reference point.
* @param neiPt The holder for the geodetic position of the neighboring grid point.
* @param lat The latitude of the neighboring grid point.
* @param lon The longitude of the neighboring grid point.
* @param azTerm An amount in degrees to be added to the computed azimuth.
* @param wind Magnitude of grid-relative wind component.
* @param bearing The holder for the computed range and bearing from the reference point to the
* neighboring grid point.
* @param uv 2-element output array for computed (U,V) wind components.
*/
private static void compute(
LatLonPointImpl refPt,
LatLonPointImpl neiPt,
float lat,
float lon,
float azTerm,
float wind,
Bearing bearing,
float[] uv) {
neiPt.set(lat, lon);
Bearing.calculateBearing(refPt, neiPt, bearing);
float az = (float) Math.toRadians(bearing.getAngle() + azTerm);
float xhat = (float) Math.sin(az);
float yhat = (float) Math.cos(az);
uv[0] = xhat * wind;
uv[1] = yhat * wind;
}
/**
* Handle glyph moved
*
* @throws RemoteException On badness
* @throws VisADException On badness
*/
public void updateLocation() throws VisADException, RemoteException {
super.updateLocation();
if (points.size() < 2) {
return;
}
if (showText) {
setText(startTextDisplayable, 0, startText, startTextType);
setText(endTextDisplayable, 1, endText, endTextType);
}
checkBoxVisibility();
if ((maxDataDistance == null) || (maxDistanceBox == null)) {
return;
}
double km = maxDataDistance.getValue(CommonUnit.meter) / 1000.0;
if (km > 2000) {
return;
}
EarthLocation p1 = (EarthLocation) points.get(0);
EarthLocation p2 = (EarthLocation) points.get(1);
MathType mathType = RealTupleType.LatitudeLongitudeAltitude;
Bearing baseBearing =
Bearing.calculateBearing(
p1.getLatitude().getValue(),
p1.getLongitude().getValue(),
p2.getLatitude().getValue(),
p2.getLongitude().getValue(),
null);
double baseAngle = baseBearing.getAngle();
LatLonPointImpl[] llps =
new LatLonPointImpl[] {
Bearing.findPoint(
p1.getLatitude().getValue(),
p1.getLongitude().getValue(),
baseAngle + 90.0,
km,
null),
Bearing.findPoint(
p2.getLatitude().getValue(),
p2.getLongitude().getValue(),
baseAngle + 90.0,
km,
null),
Bearing.findPoint(
p2.getLatitude().getValue(), p2.getLongitude().getValue(), baseAngle - 90, km, null),
Bearing.findPoint(
p1.getLatitude().getValue(), p1.getLongitude().getValue(), baseAngle - 90, km, null),
Bearing.findPoint(
p1.getLatitude().getValue(), p1.getLongitude().getValue(), baseAngle + 90.0, km, null)
};
float[][] lineVals = getPointValues();
float alt = lineVals[2][0];
lineVals = new float[3][llps.length];
for (int i = 0; i < lineVals[0].length; i++) {
lineVals[0][i] = (float) llps[i].getLatitude();
lineVals[1][i] = (float) llps[i].getLongitude();
}
float[][] tmp = new float[3][];
for (int i = 0; i < lineVals[0].length - 1; i++) {
tmp[0] =
Misc.merge(
tmp[0],
Misc.interpolate(
2 + getNumInterpolationPoints(), lineVals[0][i], lineVals[0][i + 1]));
tmp[1] =
Misc.merge(
tmp[1],
Misc.interpolate(
2 + getNumInterpolationPoints(), lineVals[1][i], lineVals[1][i + 1]));
}
tmp[2] = new float[tmp[0].length];
lineVals = tmp;
for (int i = 0; i < lineVals[0].length; i++) {
lineVals[2][i] = alt;
}
Data theData = new Gridded3DSet(mathType, lineVals, lineVals[0].length);
maxDistanceBox.setData(theData);
}