protected void doMoveTo(Position oldReferencePosition, Position newReferencePosition) {
java.util.ArrayList<LatLon> newLocations = new java.util.ArrayList<LatLon>();
for (LatLon ll : this.locations) {
Angle heading = LatLon.greatCircleAzimuth(oldReferencePosition, ll);
Angle pathLength = LatLon.greatCircleDistance(oldReferencePosition, ll);
newLocations.add(LatLon.greatCircleEndPosition(newReferencePosition, heading, pathLength));
}
this.setLocations(newLocations);
}
/**
* Compute the view range footprint on the globe.
*
* @param dc the current <code>DrawContext</code>
* @param steps the number of steps.
* @return an array list of <code>LatLon</code> forming a closed shape.
*/
protected ArrayList<LatLon> computeViewFootPrint(DrawContext dc, int steps) {
ArrayList<LatLon> positions = new ArrayList<LatLon>();
Position eyePos = dc.getView().getEyePosition();
Angle distance =
Angle.fromRadians(
Math.asin(
dc.getView().getFarClipDistance()
/ (dc.getGlobe().getRadius() + eyePos.getElevation())));
if (distance.degrees > 10) {
double headStep = 360d / steps;
Angle heading = Angle.ZERO;
for (int i = 0; i <= steps; i++) {
LatLon p = LatLon.greatCircleEndPosition(eyePos, heading, distance);
positions.add(p);
heading = heading.addDegrees(headStep);
}
return positions;
} else return null;
}
@Override
protected void doMoveTo(Position oldReferencePosition, Position newReferencePosition) {
if (this.boundaries.getContourCount() == 0) return;
for (int i = 0; i < this.boundaries.getContourCount(); i++) {
ArrayList<LatLon> newLocations = new ArrayList<LatLon>();
for (LatLon ll : this.boundaries.getContour(i)) {
Angle heading = LatLon.greatCircleAzimuth(oldReferencePosition, ll);
Angle pathLength = LatLon.greatCircleDistance(oldReferencePosition, ll);
newLocations.add(LatLon.greatCircleEndPosition(newReferencePosition, heading, pathLength));
}
this.boundaries.setContour(i, newLocations);
}
// We've changed the multi-polygon's list of boundaries; flag the shape as changed.
this.onShapeChanged();
}
protected void doMoveTo(Position oldRef, Position newRef) {
if (oldRef == null) {
String message = "nullValue.OldRefIsNull";
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (newRef == null) {
String message = "nullValue.NewRefIsNull";
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
super.doMoveTo(oldRef, newRef);
int count = this.locations.size();
LatLon[] newLocations = new LatLon[count];
for (int i = 0; i < count; i++) {
LatLon ll = this.locations.get(i);
double distance = LatLon.greatCircleDistance(oldRef, ll).radians;
double azimuth = LatLon.greatCircleAzimuth(oldRef, ll).radians;
newLocations[i] = LatLon.greatCircleEndPosition(newRef, azimuth, distance);
}
this.setLocations(Arrays.asList(newLocations));
}
