protected static AVList wcsGetParamsFromCapsDoc(WCS100Capabilities caps, AVList parameters)
{
if (caps == null)
{
String message = Logging.getMessage("nullValue.WCSCapabilities");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (parameters == null)
{
String message = Logging.getMessage("nullValue.ElevationModelConfigParams");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
WCS100DescribeCoverage coverage = (WCS100DescribeCoverage)parameters.getValue(AVKey.DOCUMENT);
if (coverage == null)
{
String message = Logging.getMessage("nullValue.WCSDescribeCoverage");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
getWCSElevationModelConfigParams(caps, coverage, parameters);
wcsSetFallbacks(parameters);
determineNumLevels(coverage, parameters);
parameters.setValue(AVKey.TILE_URL_BUILDER, new URLBuilder(caps.getVersion(), parameters));
if (parameters.getValue(AVKey.ELEVATION_EXTREMES_FILE) == null)
{
// Use the default extremes file if there are at least as many levels in this new elevation model as the
// level of the extremes file, which is level 5.
int numLevels = (int)parameters.getValue(AVKey.NUM_LEVELS);
if (numLevels >= 6)
{
parameters.setValue(AVKey.ELEVATION_EXTREMES_FILE, "config/SRTM30Plus_ExtremeElevations_5.bil");
}
}
return(parameters);
}
protected static void determineNumLevels(WCS100DescribeCoverage coverage, AVList parameters)
{
List <GMLRectifiedGrid> grids =
coverage.getCoverageOfferings().get(0).getDomainSet().getSpatialDomain().getRectifiedGrids();
if (grids.Count < 1 || grids[0].getOffsetVectors().Count < 2)
{
parameters.setValue(AVKey.NUM_LEVELS, 18);
return;
}
double xRes = Math.Abs(grids[0].getOffsetVectors().get(0).x);
double yRes = Math.Abs(grids[0].getOffsetVectors().get(1).y);
double dataResolution = Math.Min(xRes, yRes);
int tileSize = (int)parameters.getValue(AVKey.TILE_WIDTH);
LatLon level0Delta = (LatLon)parameters.getValue(AVKey.LEVEL_ZERO_TILE_DELTA);
double n = Math.Log(level0Delta.getLatitude().degrees / (dataResolution * tileSize)) / Math.Log(2);
parameters.setValue(AVKey.NUM_LEVELS, (int)(Math.Ceiling(n) + 1));
}
public static AVList getWCSElevationModelConfigParams(WCS100Capabilities caps, WCS100DescribeCoverage coverage,
AVList parameters)
{
DataConfigurationUtils.getWCSConfigParameters(caps, coverage, parameters); // checks for null args
// Ensure that we found all the necessary information.
if (parameters.getStringValue(AVKey.DATASET_NAME) == null)
{
Logging.logger().warning(Logging.getMessage("WCS.NoCoverageName"));
throw new WWRuntimeException(Logging.getMessage("WCS.NoCoverageName"));
}
if (parameters.getStringValue(AVKey.SERVICE) == null)
{
Logging.logger().warning(Logging.getMessage("WCS.NoGetCoverageURL"));
throw new WWRuntimeException(Logging.getMessage("WCS.NoGetCoverageURL"));
}
if (parameters.getStringValue(AVKey.DATA_CACHE_NAME) == null)
{
Logging.logger().warning(Logging.getMessage("nullValue.DataCacheIsNull"));
throw new WWRuntimeException(Logging.getMessage("nullValue.DataCacheIsNull"));
}
if (parameters.getStringValue(AVKey.IMAGE_FORMAT) == null)
{
Logging.logger().severe("WCS.NoImageFormats");
throw new WWRuntimeException(Logging.getMessage("WCS.NoImageFormats"));
}
if (parameters.getValue(AVKey.SECTOR) == null)
{
Logging.logger().severe("WCS.NoLonLatEnvelope");
throw new WWRuntimeException(Logging.getMessage("WCS.NoLonLatEnvelope"));
}
if (parameters.getStringValue(AVKey.COORDINATE_SYSTEM) == null)
{
String msg = Logging.getMessage("WCS.RequiredCRSNotSupported", "EPSG:4326");
Logging.logger().severe(msg);
throw new WWRuntimeException(msg);
}
return(parameters);
}
