/**
* 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);
}
}
}
/**
* Create an instance.
*
* @param tc the current {@link KMLTraversalContext}.
* @param placemark the <i>Placemark</i> element containing the <i>LineString</i>.
* @param geom the {@link KMLLineString} geometry.
*
* @throws NullPointerException if the geometry is null.
* @throws ArgumentException if the parent placemark or the traversal context is null.
*/
public KMLLineStringPlacemarkImpl(KMLTraversalContext tc, KMLPlacemark placemark, KMLAbstractGeometry geom)
{
super(((KMLLineString)geom).getCoordinates());
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);
}
this.parent = placemark;
KMLLineString lineString = (KMLLineString)geom;
if (lineString.isExtrude())
{
this.setExtrude(true);
}
if (lineString.getTessellate() != null && lineString.getTessellate())
{
this.setFollowTerrain(true);
}
this.setAltitudeMode(WorldWind.CLAMP_TO_GROUND); // KML default
String altMode = lineString.getAltitudeMode();
if (!WWUtil.isEmpty(altMode))
{
if ("clampToGround".Equals(altMode))
{
this.setAltitudeMode(WorldWind.CLAMP_TO_GROUND);
}
else if ("relativeToGround".Equals(altMode))
{
this.setAltitudeMode(WorldWind.RELATIVE_TO_GROUND);
}
else if ("absolute".Equals(altMode))
{
this.setAltitudeMode(WorldWind.ABSOLUTE);
}
}
// If the path is clamped to the ground and terrain conforming, draw as a great circle. Otherwise draw
// as linear segments.
if (this.getAltitudeMode() == WorldWind.CLAMP_TO_GROUND && this.isFollowTerrain())
{
this.setPathType(AVKey.GREAT_CIRCLE);
}
else
{
this.setPathType(AVKey.LINEAR);
}
if (placemark.getName() != null)
{
this.setValue(AVKey.DISPLAY_NAME, placemark.getName());
}
if (placemark.getDescription() != null)
{
this.setValue(AVKey.DESCRIPTION, placemark.getDescription());
}
if (placemark.getSnippetText() != null)
{
this.setValue(AVKey.SHORT_DESCRIPTION, placemark.getSnippetText());
}
this.setValue(AVKey.CONTEXT, this.parent);
}