protected void initializeSphere(
WorldWindow wwd, SphereAirspace sphere, boolean fitShapeToViewport) {
// Creates a sphere in the center of the viewport. Attempts to guess at a reasonable size and
// height.
Position position = ShapeUtils.getNewShapePosition(wwd);
double sizeInMeters =
fitShapeToViewport ? ShapeUtils.getViewportScaleFactor(wwd) : DEFAULT_SHAPE_SIZE_METERS;
sphere.setLocation(new LatLon(position));
sphere.setRadius(sizeInMeters / 2.0);
}
protected void initializePolygon(WorldWindow wwd, Polygon polygon, boolean fitShapeToViewport) {
// Creates a rectangle in the center of the viewport. Attempts to guess at a reasonable size
// and height.
Position position = ShapeUtils.getNewShapePosition(wwd);
Angle heading = ShapeUtils.getNewShapeHeading(wwd, true);
double sizeInMeters =
fitShapeToViewport ? ShapeUtils.getViewportScaleFactor(wwd) : DEFAULT_SHAPE_SIZE_METERS;
java.util.List<LatLon> locations =
ShapeUtils.createSquareInViewport(wwd, position, heading, sizeInMeters);
double maxElevation = -Double.MAX_VALUE;
Globe globe = wwd.getModel().getGlobe();
for (LatLon ll : locations) {
double e = globe.getElevation(ll.getLatitude(), ll.getLongitude());
if (e > maxElevation) maxElevation = e;
}
polygon.setAltitudes(0.0, maxElevation + sizeInMeters);
polygon.setTerrainConforming(true, false);
polygon.setLocations(locations);
}