public void makeOrderedRenderable(DrawContext dc, AirspaceRenderer renderer) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (renderer == null) {
String message = Logging.getMessage("nullValue.RendererIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
for (Layer layer : this.layers) {
if (!layer.isVisible()) continue;
if (!layer.isAirspaceVisible(dc)) continue;
// The layer is responsible for applying its own attributes, so we override its attributes
// with our own just
// before rendering.
layer.setAttributes(this.getAttributes());
// Create an ordered renderable that draws each layer, but specifies this Cake as the picked
// object.
OrderedRenderable or =
renderer.createOrderedRenderable(dc, layer, layer.computeEyeDistance(dc), this);
dc.addOrderedRenderable(or);
}
}
public boolean isAirspaceVisible(DrawContext dc) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// If the parent Cake is not visible, then return false immediately without testing the child
// layers.
if (!super.isAirspaceVisible(dc)) return false;
boolean visible = false;
// The parent Cake is visible. Since the parent Cake's extent potentially contains volumes where
// no child
// geometry exists, test that at least one of the child layers are visible.
for (Layer l : this.layers) {
if (l.isAirspaceVisible(dc)) {
visible = true;
break;
}
}
return visible;
}
/**
* Create a {@link TiledImageLayer} layer described by an XML layer description.
*
* @param domElement the XML element describing the layer to create. The element must inculde a
* service name identifying the type of service to use to retrieve layer data. Recognized
* service types are "Offline", "WWTileService" and "OGC:WMS".
* @param params any parameters to apply when creating the layer.
* @return a new layer
* @throws WWUnrecognizedException if the service type given in the describing element is
* unrecognized.
*/
protected Layer createTiledImageLayer(Element domElement, AVList params) {
Layer layer;
String serviceName = WWXML.getText(domElement, "Service/@serviceName");
if ("Offline".equals(serviceName)) {
layer = new BasicTiledImageLayer(domElement, params);
} else if ("WWTileService".equals(serviceName)) {
layer = new BasicTiledImageLayer(domElement, params);
} else if (OGCConstants.WMS_SERVICE_NAME.equals(serviceName)) {
layer = new WMSTiledImageLayer(domElement, params);
} else if (AVKey.SERVICE_NAME_LOCAL_RASTER_SERVER.equals(serviceName)) {
layer = new LocalRasterServerLayer(domElement, params);
} else {
String msg = Logging.getMessage("generic.UnrecognizedServiceName", serviceName);
throw new WWUnrecognizedException(msg);
}
//
// String name = layer.getStringValue(AVKey.DISPLAY_NAME);
// System.out.println(name);
String actuate = WWXML.getText(domElement, "@actuate");
layer.setEnabled(actuate != null && actuate.equals("onLoad"));
return layer;
}
public Position getReferencePosition() {
ArrayList<LatLon> locations = new ArrayList<LatLon>(this.layers.size());
for (Layer l : this.layers) {
locations.add(l.getCenter());
}
return this.computeReferencePosition(locations, this.getAltitudes());
}
@Override
protected void doGetRestorableState(RestorableSupport rs, RestorableSupport.StateObject context) {
super.doGetRestorableState(rs, context);
RestorableSupport.StateObject so = rs.addStateObject(context, "layers");
for (Layer layer : this.layers) {
RestorableSupport.StateObject lso = rs.addStateObject(so, "layer");
layer.doGetRestorableState(rs, lso);
}
}
/**
* Create a layer described by an XML layer description.
*
* @param domElement the XML element describing the layer to create.
* @param params any parameters to apply when creating the layer.
* @return a new layer
* @throws WWUnrecognizedException if the layer type or service type given in the describing
* element is unrecognized.
* @see #createTiledImageLayer(org.w3c.dom.Element, gov.nasa.worldwind.avlist.AVList).
*/
protected Layer createFromLayerDocument(Element domElement, AVList params) {
String className = WWXML.getText(domElement, "@className");
if (className != null && className.length() > 0) {
Layer layer = (Layer) WorldWind.createComponent(className);
String actuate = WWXML.getText(domElement, "@actuate");
layer.setEnabled(WWUtil.isEmpty(actuate) || actuate.equals("onLoad"));
WWXML.invokePropertySetters(layer, domElement);
return layer;
}
AVList props = WWXML.copyProperties(domElement, null);
if (props != null) { // Copy params and add any properties for this layer to the copy
if (params != null) props.setValues(params);
params = props;
}
Layer layer;
String href = WWXML.getText(domElement, "@href");
if (href != null && href.length() > 0) {
Object o = this.createFromConfigSource(href, params);
if (o == null) return null;
if (!(o instanceof Layer)) {
String msg =
Logging.getMessage("LayerFactory.UnexpectedTypeForLayer", o.getClass().getName());
throw new WWRuntimeException(msg);
}
layer = (Layer) o;
} else {
String layerType = WWXML.getText(domElement, "@layerType");
if (layerType != null && layerType.equals("TiledImageLayer")) {
layer = this.createTiledImageLayer(domElement, params);
} else {
String msg = Logging.getMessage("generic.UnrecognizedLayerType", layerType);
throw new WWUnrecognizedException(msg);
}
}
if (layer != null) {
String actuate = WWXML.getText(domElement, "@actuate");
layer.setEnabled(actuate != null && actuate.equals("onLoad"));
WWXML.invokePropertySetters(layer, domElement);
}
return layer;
}
protected Extent computeExtent(Globe globe, double verticalExaggeration) {
List<Layer> cakeLayers = this.getLayers();
if (cakeLayers == null || cakeLayers.isEmpty()) {
return null;
} else if (cakeLayers.size() == 1) {
return cakeLayers.get(0).computeExtent(globe, verticalExaggeration);
} else {
ArrayList<Box> extents = new ArrayList<Box>();
for (Layer layer : cakeLayers) {
extents.add(layer.computeExtent(globe, verticalExaggeration));
}
return Box.union(extents);
}
}
public void doRenderExtent(DrawContext dc) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// Called by AirspaceRenderer's drawNow and pickNow methods. These methods do not use the
// ordered renderable
// queue, so TrackAirspace must explicitly initiate drawing its legs. When airspace rendering is
// initiated via
// AirspaceRenderer drawOrdered or pickOrdered, TrackAirspace does not add an ordered renderable
// for itself, so
// this method is never initiated.
for (Layer l : this.layers) {
l.renderExtent(dc);
}
}
protected void doMoveTo(Position oldRef, Position newRef) {
if (oldRef == null) {
String message = "nullValue.OldRefIsNull";
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (newRef == null) {
String message = "nullValue.NewRefIsNull";
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
super.doMoveTo(oldRef, newRef);
for (Layer l : this.layers) {
l.doMoveTo(oldRef, newRef);
}
this.setExtentOutOfDate();
}
@Override
protected void doRestoreState(RestorableSupport rs, RestorableSupport.StateObject context) {
super.doRestoreState(rs, context);
RestorableSupport.StateObject so = rs.getStateObject(context, "layers");
if (so == null) return;
RestorableSupport.StateObject[] lsos = rs.getAllStateObjects(so, "layer");
if (lsos == null || lsos.length == 0) return;
ArrayList<Layer> layerList = new ArrayList<Layer>(lsos.length);
for (RestorableSupport.StateObject lso : lsos) {
if (lso != null) {
Layer layer = new Layer();
layer.doRestoreState(rs, lso);
layerList.add(layer);
}
}
this.setLayers(layerList);
}
public void setEnableCaps(boolean enable) {
for (Layer l : this.layers) {
l.setEnableCaps(enable);
}
}
public void setTerrainConforming(boolean lowerTerrainConformant, boolean upperTerrainConformant) {
super.setTerrainConforming(lowerTerrainConformant, upperTerrainConformant);
for (Layer l : this.layers) {
l.setTerrainConforming(lowerTerrainConformant, upperTerrainConformant);
}
}