/**
* Create an instance.
*
* @param tc the current {@link KMLTraversalContext}.
* @param placemark the <i>Placemark</i> element containing the <i>Point</i>.
* @param geom the {@link SharpEarth.ogc.kml.KMLPoint} geometry.
*
* @throws NullPointerException if the geometry is null.
* @throws ArgumentException if the parent placemark or the traversal context is null.
*/
public KMLModelPlacemarkImpl(KMLTraversalContext tc, KMLPlacemark placemark, KMLAbstractGeometry geom)
{
if (tc == null)
{
String msg = Logging.getMessage("nullValue.TraversalContextIsNull");
Logging.logger().severe(msg);
throw new ArgumentException(msg);
}
if (placemark == null)
{
String msg = Logging.getMessage("nullValue.ParentIsNull");
Logging.logger().severe(msg);
throw new ArgumentException(msg);
}
if (geom == null)
{
String msg = Logging.getMessage("nullValue.GeometryIsNull");
Logging.logger().severe(msg);
throw new ArgumentException(msg);
}
this.model = (KMLModel)geom;
this.parent = placemark;
this.resourceMap = this.createResourceMap(this.model);
}
/**
* 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);
}
}
}
/**
* Build the resource map from the KML Model's <i>ResourceMap</i> element.
*
* @param model Model from which to create the resource map.
*
* @return Map that relates relative paths in the COLLADA document to paths relative to the KML document.
*/
protected Map <String, String> createResourceMap(KMLModel model)
{
Map <String, String> map = new HashMap <String, String>();
KMLResourceMap resourceMap = model.getResourceMap();
if (resourceMap == null)
{
return(Collections.emptyMap());
}
foreach (KMLAlias alias in resourceMap.getAliases())
{
if (alias != null && !WWUtil.isEmpty(alias.getSourceRef()) && !WWUtil.isEmpty(alias.getTargetHref()))
{
map.put(alias.getSourceRef(), alias.getTargetHref());
}
}
return(map.size() > 0 ? map : Collections.< String, String > emptyMap());
}