/**
* Create a list of layers described by an array of XML layer description elements.
*
* <p>Any exceptions occurring during creation of the layers are logged and not re-thrown. The
* layers associated with the exceptions are not included in the returned layer list.
*
* @param layerElements the XML elements describing the layers to create.
* @param params any parameters to apply when creating the layers.
* @return a layer list containing the specified layers.
*/
protected LayerList createLayerList(Element[] layerElements, AVList params) {
LayerList layerList = new LayerList();
for (Element element : layerElements) {
try {
layerList.add(this.createFromLayerDocument(element, params));
} catch (Exception e) {
Logging.logger().log(java.util.logging.Level.WARNING, e.getMessage(), e);
// keep going to create other layers
}
}
return layerList;
}
public static VirtualEarthTile[] createTiles(
Sector bbox /*int wwLevel, int wwRow, int wwCol*/, VirtualEarthLayer layer)
throws WWRuntimeException {
if (null == bbox) {
String message = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
if (null == layer) {
String message = Logging.getMessage("nullValue.LayerIsNull");
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
int level = getZoomLevelByTrueViewRange(bbox.getDeltaLatDegrees());
Point startPixel =
LatLongToPixelXY(bbox.getMaxLatitude().degrees, bbox.getMinLongitude().degrees, level);
Point endPixel =
LatLongToPixelXY(bbox.getMinLatitude().degrees, bbox.getMaxLongitude().degrees, level);
Point startTile = PixelXYToTileXY(startPixel.x, startPixel.y);
Point endTile = PixelXYToTileXY(endPixel.x, endPixel.y);
ArrayList<VirtualEarthTile> tileList = new ArrayList<VirtualEarthTile>();
for (int y = startTile.y; y <= endTile.y; y++) {
for (int x = startTile.x; x <= endTile.x; x++) {
try {
int ulPixelX = x * VE_MAX_TILE_SIZE;
int ulPixelY = y * VE_MAX_TILE_SIZE;
LatLon ul = PixelXYToLatLong(ulPixelX, ulPixelY, level);
int lrPixelX = ulPixelX + VE_MAX_TILE_SIZE;
int lrPixelY = ulPixelY + VE_MAX_TILE_SIZE;
LatLon lr = PixelXYToLatLong(lrPixelX, lrPixelY, level);
Sector tileSector = Sector.boundingSector(ul, lr);
tileList.add(new VirtualEarthTile(x, y, level, layer, tileSector));
} catch (Exception ex) {
Logging.logger().log(Level.SEVERE, ex.getMessage(), ex);
}
}
}
VirtualEarthTile[] tiles = new VirtualEarthTile[tileList.size()];
return tileList.toArray(tiles);
}
/**
* Create a collection of layer lists and their included layers described by an array of XML
* layer-list description elements.
*
* <p>Any exceptions occurring during creation of the layer lists or their included layers are
* logged and not re-thrown. The layers associated with the exceptions are not included in the
* returned layer list.
*
* @param elements the XML elements describing the layer lists to create.
* @param params any parameters to apply when creating the included layers.
* @return an array containing the specified layer lists.
*/
protected LayerList[] createLayerLists(Element[] elements, AVList params) {
ArrayList<LayerList> layerLists = new ArrayList<LayerList>();
for (Element element : elements) {
try {
String href = WWXML.getText(element, "@href");
if (href != null && href.length() > 0) {
Object o = this.createFromConfigSource(href, params);
if (o == null) continue;
if (o instanceof Layer) {
LayerList ll = new LayerList();
ll.add((Layer) o);
o = ll;
}
if (o instanceof LayerList) {
LayerList list = (LayerList) o;
if (list != null && list.size() > 0) layerLists.add(list);
} else if (o instanceof LayerList[]) {
LayerList[] lists = (LayerList[]) o;
if (lists != null && lists.length > 0) layerLists.addAll(Arrays.asList(lists));
} else {
String msg =
Logging.getMessage("LayerFactory.UnexpectedTypeForLayer", o.getClass().getName());
Logging.logger().log(java.util.logging.Level.WARNING, msg);
}
continue;
}
String title = WWXML.getText(element, "@title");
Element[] children = WWXML.getElements(element, "./Layer", null);
if (children != null && children.length > 0) {
LayerList list = this.createLayerList(children, params);
if (list != null && list.size() > 0) {
layerLists.add(list);
if (title != null && title.length() > 0) list.setValue(AVKey.DISPLAY_NAME, title);
}
}
} catch (Exception e) {
Logging.logger().log(java.util.logging.Level.WARNING, e.getMessage(), e);
// keep going to create other layers
}
}
return layerLists.toArray(new LayerList[layerLists.size()]);
}
public boolean initialize(MapSource mapSource) throws IOException, WMSServiceException {
if (null == mapSource) {
String msg = Logging.getMessage("nullValue.MapSourceIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.mapSource = mapSource;
this.params = mapSource.getParameters();
if (null == params) {
String msg = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
if (!params.hasKey(AVKey.FILE_NAME)) {
String msg = Logging.getMessage("nullValue.ParamsIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.sourceFile = new File(params.getStringValue(AVKey.FILE_NAME));
if (!this.sourceFile.exists()) {
String msg = Logging.getMessage("generic.FileNotFound", this.sourceFile.getAbsolutePath());
Logging.logger().severe(msg);
throw new FileNotFoundException(msg);
}
AVList fileParams = this.params.copy();
try {
this.readerFactory =
(DataRasterReaderFactory)
WorldWind.createConfigurationComponent(AVKey.DATA_RASTER_READER_FACTORY_CLASS_NAME);
} catch (Exception e) {
this.readerFactory = new BasicDataRasterReaderFactory();
}
DataRasterReader reader =
this.readerFactory.findReaderFor(this.sourceFile, fileParams, readers);
if (reader == null) {
String msg = Logging.getMessage("nullValue.ReaderIsNull", this.sourceFile);
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
reader.readMetadata(this.sourceFile, fileParams);
this.params.setValues(fileParams);
if (!this.params.hasKey(AVKey.SECTOR)) {
String msg = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.BBOX = (Sector) this.params.getValue(AVKey.SECTOR);
if (0d == this.BBOX.getDeltaLatDegrees() || 0d == this.BBOX.getDeltaLonDegrees()) {
String msg = Logging.getMessage("generic.SectorSizeInvalid");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
int height = 0;
if (!this.params.hasKey(AVKey.HEIGHT)) {
String msg = Logging.getMessage("generic.InvalidHeight", 0);
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
} else {
Object o = this.params.getValue(AVKey.HEIGHT);
double d = Double.parseDouble("" + o);
height = (int) d;
}
if (!this.params.hasKey(AVKey.WIDTH)) {
String msg = Logging.getMessage("generic.InvalidWidth", 0);
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
this.isElevation =
(this.params.hasKey(AVKey.PIXEL_FORMAT)
&& AVKey.ELEVATION.equals(this.params.getValue(AVKey.PIXEL_FORMAT)));
if (this.params.hasKey(AVKey.MISSING_DATA_SIGNAL)) {
try {
Object o = this.params.getValue(AVKey.MISSING_DATA_SIGNAL);
double d = Double.parseDouble("" + o);
this.nodataSignal = (short) d;
} catch (Exception e) {
this.nodataSignal = (this.isElevation) ? Short.MIN_VALUE : 0;
}
} else {
this.nodataSignal = (this.isElevation) ? Short.MIN_VALUE : 0;
}
if (this.params.hasKey(AVKey.MISSING_DATA_REPLACEMENT)) {
try {
Object o = this.params.getValue(AVKey.MISSING_DATA_REPLACEMENT);
double d = Double.parseDouble("" + o);
this.nodataReplacement = (short) d;
} catch (Exception e) {
Logging.logger().finest(e.getMessage());
this.nodataReplacement = (this.isElevation) ? Short.MIN_VALUE : 0;
}
} else {
this.nodataReplacement = (this.isElevation) ? Short.MIN_VALUE : 0;
}
if (this.isElevation) {
if (this.params.hasKey(AVKey.ELEVATION_UNIT)) {
try {
String unit = this.params.getStringValue(AVKey.ELEVATION_UNIT);
this.convertFeetToMeters = "feet".equalsIgnoreCase(unit);
} catch (Exception e) {
Logging.logger().finest(e.getMessage());
}
}
}
// if PIXEL_HEIGHT is specified, we are not overriding it
// because UTM images will have different pixel size
if (!this.params.hasKey(AVKey.PIXEL_HEIGHT)) {
this.pixelHeight = this.BBOX.getDeltaLatDegrees() / (double) height;
} else {
try {
Object o = this.params.getValue(AVKey.PIXEL_HEIGHT);
this.pixelHeight = Double.parseDouble("" + o);
} catch (Exception e) {
Logging.logger().finest(e.getMessage());
}
}
this.rasters = reader.read(this.sourceFile, this.params);
if (null == this.rasters || 0 == this.rasters.length) {
String msg = Logging.getMessage("nullValue.RasterIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
return true;
}
public ImageFormatter serviceRequest(IMapRequest req) throws IOException, WMSServiceException {
ImageFormatter formatter = null;
try {
Sector reqExtent =
(SingleFileLayer.this.isElevation)
? req.getExtentForElevationRequest()
: req.getExtent();
if (null == this.intersects(reqExtent, SingleFileLayer.this.getBBox())) {
String msg =
Logging.getMessage(
"WMS.Layer.OutOfCoverage",
reqExtent.toString(),
SingleFileLayer.this.getBBox().toString());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
if (req.getHeight() <= 0 || req.getWidth() <= 0) {
String msg =
Logging.getMessage("generic.InvalidImageSize", req.getWidth(), req.getHeight());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
DataRaster[] rasters = SingleFileLayer.this.rasters;
if (null == rasters || 0 == rasters.length) {
String msg = Logging.getMessage("nullValue.RasterIsNull");
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
double missingDataReplacement = (double) SingleFileLayer.this.nodataReplacement;
try {
String s = req.getBGColor();
if (null != s) {
missingDataReplacement = Double.parseDouble(s);
}
} catch (Exception e) {
missingDataReplacement = (double) SingleFileLayer.this.nodataReplacement;
}
DataRaster raster = rasters[0];
if (raster instanceof BufferedImageRaster) {
BufferedImageRaster reqRaster =
new BufferedImageRaster(
req.getWidth(), req.getHeight(), Transparency.TRANSLUCENT, reqExtent);
raster.drawOnTo(reqRaster);
BufferedImage img = reqRaster.getBufferedImage();
this.makeNoDataTransparent(
img, SingleFileLayer.this.nodataSignal, (short) missingDataReplacement);
formatter = new BufferedImageFormatter(img);
} else if (raster instanceof ByteBufferRaster) {
AVList reqParams = new AVListImpl();
reqParams.setValue(AVKey.WIDTH, req.getWidth());
reqParams.setValue(AVKey.HEIGHT, req.getHeight());
reqParams.setValue(AVKey.SECTOR, reqExtent);
reqParams.setValue(
AVKey.BYTE_ORDER, AVKey.LITTLE_ENDIAN); // by default BIL is LITTLE ENDIAN
reqParams.setValue(AVKey.PIXEL_FORMAT, AVKey.ELEVATION);
String reqFormat = req.getFormat();
if (null != reqFormat && reqFormat.endsWith("32")) {
reqParams.setValue(AVKey.DATA_TYPE, AVKey.FLOAT32);
} else {
reqParams.setValue(AVKey.DATA_TYPE, AVKey.INT16);
}
reqParams.setValue(AVKey.MISSING_DATA_REPLACEMENT, missingDataReplacement);
ByteBufferRaster reqRaster =
new ByteBufferRaster(req.getWidth(), req.getHeight(), reqExtent, reqParams);
raster.drawOnTo(reqRaster);
if (SingleFileLayer.this.convertFeetToMeters) {
this.convertFeetToMeters(reqRaster);
}
formatter = new DataRasterFormatter(reqRaster);
} else {
String msg =
Logging.getMessage(
"generic.UnrecognizedImageSourceType", raster.getClass().getName());
Logging.logger().severe(msg);
throw new WMSServiceException(msg);
}
} catch (WMSServiceException wmsse) {
throw wmsse;
} catch (Exception ex) {
Logging.logger()
.log(
java.util.logging.Level.SEVERE,
SingleFileLayer.this.getThreadId() + ex.getMessage(),
ex);
// throw new WMSServiceException( s );
} finally {
}
return formatter;
}