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();
}
}
private boolean needToSplit(DrawContext dc, Sector sector) {
Vec4[] corners = sector.computeCornerPoints(dc.getGlobe(), dc.getVerticalExaggeration());
Vec4 centerPoint = sector.computeCenterPoint(dc.getGlobe(), dc.getVerticalExaggeration());
View view = dc.getView();
double d1 = view.getEyePoint().distanceTo3(corners[0]);
double d2 = view.getEyePoint().distanceTo3(corners[1]);
double d3 = view.getEyePoint().distanceTo3(corners[2]);
double d4 = view.getEyePoint().distanceTo3(corners[3]);
double d5 = view.getEyePoint().distanceTo3(centerPoint);
double minDistance = d1;
if (d2 < minDistance) minDistance = d2;
if (d3 < minDistance) minDistance = d3;
if (d4 < minDistance) minDistance = d4;
if (d5 < minDistance) minDistance = d5;
double cellSize =
(Math.PI * sector.getDeltaLatRadians() * dc.getGlobe().getRadius()) / 20; // TODO
return !(Math.log10(cellSize) <= (Math.log10(minDistance) - this.splitScale));
}
protected Angle computeSectorRadius(Sector sector) {
double dLat = sector.getDeltaLatRadians();
double dLon = sector.getDeltaLonRadians();
return Angle.fromRadians(Math.sqrt(dLat * dLat + dLon * dLon) / 2);
}