/**
* Get all of the positions that make up a {@link KMLAbstractGeometry}. If the geometry contains other geometries,
* this method collects all the points from all of the geometries.
*
* @param globe Globe to use to determine altitude above terrain.
* @param geometry Geometry to collect positions from.
* @param positions Placemark positions will be added to this list.
*/
public static void getPositions(Globe globe, KMLAbstractGeometry geometry, java.util.List <Position> positions)
{
if (geometry is KMLPoint)
{
KMLPoint kmlPoint = (KMLPoint)geometry;
Position pos = kmlPoint.getCoordinates();
if (pos != null)
{
positions.add(computeAltitude(globe, pos, kmlPoint.getAltitudeMode()));
}
}
else if (geometry is KMLModel)
{
KMLModel model = (KMLModel)geometry;
KMLLocation location = model.getLocation();
if (location != null)
{
Position pos = location.getPosition();
if (pos != null)
{
positions.add(computeAltitude(globe, pos, model.getAltitudeMode()));
}
}
}
else if (geometry is KMLLineString) // Also handles KMLLinearRing, since KMLLineString is a subclass of KMLLinearRing
{
KMLLineString lineString = (KMLLineString)geometry;
Position.PositionList positionList = lineString.getCoordinates();
if (positionList != null)
{
positions.addAll(computeAltitude(globe, positionList.list, lineString.getAltitudeMode()));
}
}
else if (geometry is KMLPolygon)
{
KMLLinearRing ring = ((KMLPolygon)geometry).getOuterBoundary();
// Recurse and let the LineString/LinearRing code handle the boundary positions
getPositions(globe, ring, positions);
}
else if (geometry is KMLMultiGeometry)
{
java.util.List <KMLAbstractGeometry> geoms = ((KMLMultiGeometry)geometry).getGeometries();
foreach (KMLAbstractGeometry g in geoms)
{
// Recurse, adding positions for the sub-geometry
getPositions(globe, g, positions);
}
}
}
