/**
* Provides an implementation of the <code>readProductNodes</code> interface method. Clients
* implementing this method can be sure that the input object and eventually the subset
* information has already been set.
*
* <p>
*
* <p>This method is called as a last step in the <code>readProductNodes(input, subsetInfo)</code>
* method.
*
* @throws java.io.IOException if an I/O error occurs
*/
@Override
protected Product readProductNodesImpl() throws IOException {
Product product;
try {
final File fileFromInput = ReaderUtils.getFileFromInput(getInput());
dataDir = createDirectory(fileFromInput);
dataDir.readProductDirectory();
product = dataDir.createProduct();
addCalibrationLUT(product, fileFromInput.getParentFile());
product.getGcpGroup();
product.setFileLocation(fileFromInput);
product.setProductReader(this);
product.setModified(false);
final MetadataElement absRoot = AbstractMetadata.getAbstractedMetadata(product);
isAscending = absRoot.getAttributeString(AbstractMetadata.PASS).equals("ASCENDING");
isAntennaPointingRight =
absRoot.getAttributeString(AbstractMetadata.antenna_pointing).equals("right");
} catch (Exception e) {
Debug.trace(e.toString());
final IOException ioException = new IOException(e.getMessage());
ioException.initCause(e);
throw ioException;
}
return product;
}
/**
* Read the LUT for use in calibration
*
* @param product the target product
* @param folder the folder containing the input
* @throws IOException if can't read lut
*/
private static void addCalibrationLUT(final Product product, final File folder)
throws IOException {
final MetadataElement absRoot = AbstractMetadata.getAbstractedMetadata(product);
final boolean isAscending =
absRoot.getAttributeString(AbstractMetadata.PASS).equals("ASCENDING");
final boolean isAntennaPointingRight =
absRoot.getAttributeString(AbstractMetadata.antenna_pointing).equals("right");
final boolean flipLUT =
flipToSARGeometry
&& ((isAscending && !isAntennaPointingRight)
|| (!isAscending && isAntennaPointingRight));
final File sigmaLUT = new File(folder, lutsigma + ".xml");
final File gammaLUT = new File(folder, lutgamma + ".xml");
final File betaLUT = new File(folder, lutbeta + ".xml");
final MetadataElement origProdRoot = AbstractMetadata.getOriginalProductMetadata(product);
readCalibrationLUT(sigmaLUT, lutsigma, origProdRoot, flipLUT);
readCalibrationLUT(gammaLUT, lutgamma, origProdRoot, flipLUT);
readCalibrationLUT(betaLUT, lutbeta, origProdRoot, flipLUT);
}
private void constructSourceMetadata() throws Exception {
// define sourceMaster/sourceSlave name tags
final String masterTag = "ifg";
final String slaveTag = "dummy";
final MetadataElement masterMeta = AbstractMetadata.getAbstractedMetadata(sourceProduct);
final String slaveMetadataRoot = AbstractMetadata.SLAVE_METADATA_ROOT;
MetadataElement[] slaveRoot;
/* organize metadata */
// put sourceMaster metadata into the masterMap
metaMapPut(masterTag, masterMeta, sourceProduct, masterMap);
// pug sourceSlave metadata into slaveDefoMap
slaveRoot = sourceProduct.getMetadataRoot().getElement(slaveMetadataRoot).getElements();
for (MetadataElement meta : slaveRoot) {
metaMapPut(slaveTag, meta, sourceProduct, slaveMap);
}
}