public AppFrame() {
super(true, true, false);
try {
// Create the Quad from a Sector
Globe globe = this.getWwd().getModel().getGlobe();
double radius = globe.getRadiusAt(sector.getCentroid());
double quadWidth = sector.getDeltaLonRadians() * radius;
double quadHeight = sector.getDeltaLatRadians() * radius;
final SurfaceQuad quad =
new SurfaceQuad(sector.getCentroid(), quadWidth, quadHeight, Angle.ZERO);
// Create the layer to hold it
final RenderableLayer layer = new RenderableLayer();
layer.setName("Rotating Sector");
layer.addRenderable(quad);
// Add the layer to the model and update the ApplicationTemplate's layer manager
insertBeforeCompass(this.getWwd(), layer);
this.getLayerPanel().update(this.getWwd());
// Rotate the quad continuously
Timer timer =
new Timer(
50,
new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
// Increment the current heading if the layer is visible
if (layer.isEnabled()) {
quad.setHeading(
Angle.fromDegrees((quad.getHeading().getDegrees() + 1) % 360));
getWwd().redraw();
}
}
});
timer.start();
} catch (Exception e) {
e.printStackTrace();
}
}
protected Angle computeSectorRadius(Sector sector) {
double dLat = sector.getDeltaLatRadians();
double dLon = sector.getDeltaLonRadians();
return Angle.fromRadians(Math.sqrt(dLat * dLat + dLon * dLon) / 2);
}