/**
* Parses basic elevation model parameters from a specified DOM document. This also parses
* LevelSet parameters by invoking {@link
* gov.nasa.worldwind.util.DataConfigurationUtils#getLevelSetParams(org.w3c.dom.Element,
* gov.nasa.worldwind.avlist.AVList)}. This writes output as key-value pairs to params. If a
* parameter from the XML document already exists in params, that parameter is ignored. Supported
* key and parameter names are:
*
* <table>
* <th><td>Key</td><td>Name</td><td>Type</td></th> <tr><td>{@link AVKey#SERVICE_NAME}</td><td>Service/@serviceName</td><td>String</td></tr>
* <tr><td>{@link AVKey#PIXEL_TYPE}</td><td>DataType</td><td>String</td></tr> <tr><td>{@link
* AVKey#BYTE_ORDER}</td><td>DataType/@byteOrder</td><td>String</td></tr> <tr><td>{@link
* AVKey#ELEVATION_EXTREMES_FILE}</td><td>ExtremeElevations/FileName</td><td>String</td></tr> <tr><td>{@link
* AVKey#ELEVATION_MAX}</td><td>ExtremeElevations/@max</td><td>Double</td></tr> <tr><td>{@link
* AVKey#ELEVATION_MIN}</td><td>ExtremeElevations/@min</td><td>Double</td></tr> </table>
*
* @param domElement the XML document root to parse for basic elevation model parameters.
* @param params the output key-value pairs which recieve the basic elevation model parameters. A
* null reference is permitted.
* @return a reference to params, or a new AVList if params is null.
* @throws IllegalArgumentException if the document is null.
*/
public static AVList getBasicElevationModelParams(Element domElement, AVList params) {
if (domElement == null) {
String message = Logging.getMessage("nullValue.DocumentIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (params == null) params = new AVListImpl();
XPath xpath = WWXML.makeXPath();
// LevelSet properties.
DataConfigurationUtils.getLevelSetParams(domElement, params);
// Service properties.
WWXML.checkAndSetStringParam(
domElement, params, AVKey.SERVICE_NAME, "Service/@serviceName", xpath);
WWXML.checkAndSetBooleanParam(
domElement,
params,
AVKey.RETRIEVE_PROPERTIES_FROM_SERVICE,
"RetrievePropertiesFromService",
xpath);
// Image format properties.
if (params.getValue(AVKey.PIXEL_TYPE) == null) {
String s = WWXML.getText(domElement, "DataType/@type", xpath);
if (s != null && s.length() > 0) {
s = WWXML.parseDataType(s);
if (s != null && s.length() > 0) params.setValue(AVKey.PIXEL_TYPE, s);
}
}
if (params.getValue(AVKey.BYTE_ORDER) == null) {
String s = WWXML.getText(domElement, "DataType/@byteOrder", xpath);
if (s != null && s.length() > 0) {
s = WWXML.parseByteOrder(s);
if (s != null && s.length() > 0) params.setValue(AVKey.BYTE_ORDER, s);
}
}
// Elevation data properties.
WWXML.checkAndSetStringParam(
domElement, params, AVKey.ELEVATION_EXTREMES_FILE, "ExtremeElevations/FileName", xpath);
WWXML.checkAndSetDoubleParam(
domElement, params, AVKey.ELEVATION_MAX, "ExtremeElevations/@max", xpath);
WWXML.checkAndSetDoubleParam(
domElement, params, AVKey.ELEVATION_MIN, "ExtremeElevations/@min", xpath);
return params;
}
@Override
protected Layer doCreateFromCapabilities(OGCCapabilities caps, AVList params) {
String serviceName = caps.getServiceInformation().getServiceName();
if (serviceName == null
|| !(serviceName.equalsIgnoreCase(OGCConstants.WMS_SERVICE_NAME)
|| serviceName.equalsIgnoreCase("WMS"))) {
String message =
Logging.getMessage("WMS.NotWMSService", serviceName != null ? serviceName : "null");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (params == null) params = new AVListImpl();
if (params.getStringValue(AVKey.LAYER_NAMES) == null) {
// Use the first named layer since no other guidance given
List<WMSLayerCapabilities> namedLayers = ((WMSCapabilities) caps).getNamedLayers();
if (namedLayers == null || namedLayers.size() == 0 || namedLayers.get(0) == null) {
String message = Logging.getMessage("WMS.NoLayersFound");
Logging.logger().severe(message);
throw new IllegalStateException(message);
}
params.setValue(AVKey.LAYER_NAMES, namedLayers.get(0).getName());
}
return new WMSTiledImageLayer((WMSCapabilities) caps, params);
}
public static DataRaster wrap(BufferedImage image, AVList params) {
if (null == image) {
String message = Logging.getMessage("nullValue.ImageIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (null == params) {
String msg = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
if (params.hasKey(AVKey.WIDTH)) {
int width = (Integer) params.getValue(AVKey.WIDTH);
if (width != image.getWidth()) {
String msg =
Logging.getMessage("generic.InvalidWidth", "" + width + "!=" + image.getWidth());
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
} else {
params.setValue(AVKey.WIDTH, image.getWidth());
}
if (params.hasKey(AVKey.HEIGHT)) {
int height = (Integer) params.getValue(AVKey.HEIGHT);
if (height != image.getHeight()) {
String msg =
Logging.getMessage("generic.InvalidHeight", "" + height + "!=" + image.getHeight());
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
} else {
params.setValue(AVKey.HEIGHT, image.getHeight());
}
Sector sector = null;
if (params.hasKey(AVKey.SECTOR)) {
Object o = params.getValue(AVKey.SECTOR);
if (o instanceof Sector) {
sector = (Sector) o;
}
}
return new BufferedImageRaster(sector, image, params);
}
public static DataRaster wrapAsGeoreferencedRaster(BufferedImage image, AVList params) {
if (null == image) {
String message = Logging.getMessage("nullValue.ImageIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (null == params) {
String msg = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
if (params.hasKey(AVKey.WIDTH)) {
int width = (Integer) params.getValue(AVKey.WIDTH);
if (width != image.getWidth()) {
String msg =
Logging.getMessage("generic.InvalidWidth", "" + width + "!=" + image.getWidth());
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (params.hasKey(AVKey.HEIGHT)) {
int height = (Integer) params.getValue(AVKey.HEIGHT);
if (height != image.getHeight()) {
String msg =
Logging.getMessage("generic.InvalidHeight", "" + height + "!=" + image.getHeight());
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (!params.hasKey(AVKey.SECTOR)) {
String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.SECTOR);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
Sector sector = (Sector) params.getValue(AVKey.SECTOR);
if (null == sector) {
String msg = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (!params.hasKey(AVKey.COORDINATE_SYSTEM)) {
// assume Geodetic Coordinate System
params.setValue(AVKey.COORDINATE_SYSTEM, AVKey.COORDINATE_SYSTEM_GEOGRAPHIC);
}
String cs = params.getStringValue(AVKey.COORDINATE_SYSTEM);
if (!params.hasKey(AVKey.PROJECTION_EPSG_CODE)) {
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
// assume WGS84
params.setValue(AVKey.PROJECTION_EPSG_CODE, GeoTiff.GCS.WGS_84);
} else {
String msg =
Logging.getMessage("generic.MissingRequiredParameter", AVKey.PROJECTION_EPSG_CODE);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
// if PIXEL_WIDTH is specified, we are not overriding it because UTM images
// will have different pixel size
if (!params.hasKey(AVKey.PIXEL_WIDTH)) {
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
double pixelWidth = sector.getDeltaLonDegrees() / (double) image.getWidth();
params.setValue(AVKey.PIXEL_WIDTH, pixelWidth);
} else {
String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.PIXEL_WIDTH);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
// if PIXEL_HEIGHT is specified, we are not overriding it
// because UTM images will have different pixel size
if (!params.hasKey(AVKey.PIXEL_HEIGHT)) {
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
double pixelHeight = sector.getDeltaLatDegrees() / (double) image.getHeight();
params.setValue(AVKey.PIXEL_HEIGHT, pixelHeight);
} else {
String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.PIXEL_HEIGHT);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (!params.hasKey(AVKey.PIXEL_FORMAT)) {
params.setValue(AVKey.PIXEL_FORMAT, AVKey.IMAGE);
} else if (!AVKey.IMAGE.equals(params.getStringValue(AVKey.PIXEL_FORMAT))) {
String msg =
Logging.getMessage(
"generic.UnknownValueForKey",
params.getStringValue(AVKey.PIXEL_FORMAT),
AVKey.PIXEL_FORMAT);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (!params.hasKey(AVKey.ORIGIN) && AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
// set UpperLeft corner as the origin, if not specified
LatLon origin = new LatLon(sector.getMaxLatitude(), sector.getMinLongitude());
params.setValue(AVKey.ORIGIN, origin);
}
if (!params.hasKey(AVKey.DATE_TIME)) {
// add NUL (\0) termination as required by TIFF v6 spec (20 bytes length)
String timestamp = String.format("%1$tY:%1$tm:%1$td %tT\0", Calendar.getInstance());
params.setValue(AVKey.DATE_TIME, timestamp);
}
if (!params.hasKey(AVKey.VERSION)) {
params.setValue(AVKey.VERSION, Version.getVersion());
}
boolean hasAlpha = (null != image.getColorModel() && image.getColorModel().hasAlpha());
params.setValue(AVKey.RASTER_HAS_ALPHA, hasAlpha);
return new BufferedImageRaster(sector, image, params);
}
/**
* Parses WMS elevation model parameters from a specified WMS {@link Capabilities} document. This
* also parses common WMS layer parameters by invoking {@link
* DataConfigurationUtils#getWMSLayerParams(gov.nasa.worldwind.wms.Capabilities, String[],
* gov.nasa.worldwind.avlist.AVList)}. This writes output as key-value pairs to params. Supported
* key and parameter names are:
*
* <table> <th><td>Key</td><td>Value</td><td>Type</td></th> <tr><td>{@link
* AVKey#ELEVATION_MAX}</td><td>WMS layer's maximum extreme elevation</td><td>Double</td></tr> <tr><td>{@link
* AVKey#ELEVATION_MIN}</td><td>WMS layer's minimum extreme elevation</td><td>Double</td></tr> <tr><td>{@link
* AVKey#PIXEL_TYPE}</td><td>Translate WMS layer's image format to a matching pixel type</td><td>String</td></tr>
* </table>
*
* @param caps the WMS Capabilities document to parse for WMS layer parameters.
* @param formatOrderPreference an ordered array of preferred image formats, or null to use the
* default format.
* @param params the output key-value pairs which recieve the WMS layer parameters.
* @return a reference to params.
* @throws IllegalArgumentException if either the document or params are null, or if params does
* not contain the required key-value pairs.
* @throws gov.nasa.worldwind.exception.WWRuntimeException if the Capabilities document does not
* contain any of the required information.
*/
public static AVList getWMSElevationModelParams(
Capabilities caps, String[] formatOrderPreference, AVList params) {
if (caps == null) {
String message = Logging.getMessage("nullValue.WMSCapabilities");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (params == null) {
String message = Logging.getMessage("nullValue.ElevationModelConfigParams");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
DataConfigurationUtils.getWMSLayerParams(caps, formatOrderPreference, params);
// Attempt to extract the WMS layer names from the specified parameters.
String layerNames = params.getStringValue(AVKey.LAYER_NAMES);
if (layerNames == null || layerNames.length() == 0) {
String message = Logging.getMessage("nullValue.WMSLayerNames");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
String[] names = layerNames.split(",");
if (names == null || names.length == 0) {
String message = Logging.getMessage("nullValue.WMSLayerNames");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// Get the layer's extreme elevations.
Double[] extremes = caps.getLayerExtremeElevations(caps, names);
Double d = (Double) params.getValue(AVKey.ELEVATION_MIN);
if (d == null && extremes != null && extremes[0] != null)
params.setValue(AVKey.ELEVATION_MIN, extremes[0]);
d = (Double) params.getValue(AVKey.ELEVATION_MAX);
if (d == null && extremes != null && extremes[1] != null)
params.setValue(AVKey.ELEVATION_MAX, extremes[1]);
// Determine the internal pixel type from the image format.
if (params.getValue(AVKey.PIXEL_TYPE) == null) {
String imageFormat = params.getStringValue(AVKey.IMAGE_FORMAT);
if (imageFormat != null) {
if (imageFormat.equals("application/bil32"))
params.setValue(AVKey.PIXEL_TYPE, AVKey.FLOAT32);
else if (imageFormat.equals("application/bil16"))
params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
else if (imageFormat.equals("application/bil"))
params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
else if (imageFormat.equals("image/bil")) params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
}
}
// Use the default pixel type.
if (params.getValue(AVKey.PIXEL_TYPE) == null) params.setValue(AVKey.PIXEL_TYPE, AVKey.INT16);
// Use the default byte order.
if (params.getValue(AVKey.BYTE_ORDER) == null)
params.setValue(AVKey.BYTE_ORDER, AVKey.LITTLE_ENDIAN);
return params;
}