private void determineProductDimensions(final MetadataElement absRoot) throws IOException {
int totalWidth = 0, maxHeight = 0, k = 0;
String pol = null;
for (Map.Entry<String, ImageIOFile> stringImageIOFileEntry : bandImageFileMap.entrySet()) {
final ImageIOFile img = stringImageIOFileEntry.getValue();
final String imgName = img.getName().toLowerCase();
final String bandMetadataName = imgBandMetadataMap.get(imgName);
if (bandMetadataName == null) {
throw new IOException("Metadata for measurement dataset " + imgName + " not found");
}
if (k == 0) {
pol = bandMetadataName.substring(bandMetadataName.lastIndexOf("_") + 1);
} else if (!bandMetadataName.substring(bandMetadataName.lastIndexOf("_") + 1).equals(pol)) {
continue;
}
k++;
final MetadataElement bandMetadata = absRoot.getElement(bandMetadataName);
int width = bandMetadata.getAttributeInt(AbstractMetadata.num_samples_per_line);
int height = bandMetadata.getAttributeInt(AbstractMetadata.num_output_lines);
totalWidth += width;
if (height > maxHeight) {
maxHeight = height;
}
}
if (isSLC() && isTOPSAR()) { // approximate does not account for overlap
absRoot.setAttributeInt(AbstractMetadata.num_samples_per_line, totalWidth);
absRoot.setAttributeInt(AbstractMetadata.num_output_lines, maxHeight);
}
}
@Override
public Product createProduct() throws IOException {
final MetadataElement newRoot = addMetaData();
findImages();
final MetadataElement absRoot = newRoot.getElement(AbstractMetadata.ABSTRACT_METADATA_ROOT);
determineProductDimensions(absRoot);
final int sceneWidth = absRoot.getAttributeInt(AbstractMetadata.num_samples_per_line);
final int sceneHeight = absRoot.getAttributeInt(AbstractMetadata.num_output_lines);
final Product product =
new Product(getProductName(), getProductType(), sceneWidth, sceneHeight);
updateProduct(product, newRoot);
addBands(product);
addGeoCoding(product);
product.setName(getProductName());
// product.setProductType(getProductType());
product.setDescription(getProductDescription());
ReaderUtils.addMetadataProductSize(product);
return product;
}
private void addBandAbstractedMetadata(
final MetadataElement absRoot, final MetadataElement origProdRoot) throws IOException {
MetadataElement annotationElement = origProdRoot.getElement("annotation");
if (annotationElement == null) {
annotationElement = new MetadataElement("annotation");
origProdRoot.addElement(annotationElement);
}
// collect range and azimuth spacing
double rangeSpacingTotal = 0;
double azimuthSpacingTotal = 0;
boolean commonMetadataRetrieved = false;
double heightSum = 0.0;
int numBands = 0;
final String annotFolder = getRootFolder() + "annotation";
final String[] filenames = listFiles(annotFolder);
if (filenames != null) {
for (String metadataFile : filenames) {
final Document xmlDoc =
XMLSupport.LoadXML(getInputStream(annotFolder + '/' + metadataFile));
final Element rootElement = xmlDoc.getRootElement();
final MetadataElement nameElem = new MetadataElement(metadataFile);
annotationElement.addElement(nameElem);
AbstractMetadataIO.AddXMLMetadata(rootElement, nameElem);
final MetadataElement prodElem = nameElem.getElement("product");
final MetadataElement adsHeader = prodElem.getElement("adsHeader");
final String swath = adsHeader.getAttributeString("swath");
final String pol = adsHeader.getAttributeString("polarisation");
final ProductData.UTC startTime = getTime(adsHeader, "startTime");
final ProductData.UTC stopTime = getTime(adsHeader, "stopTime");
final String bandRootName = AbstractMetadata.BAND_PREFIX + swath + '_' + pol;
final MetadataElement bandAbsRoot =
AbstractMetadata.addBandAbstractedMetadata(absRoot, bandRootName);
final String imgName = FileUtils.exchangeExtension(metadataFile, ".tiff");
imgBandMetadataMap.put(imgName, bandRootName);
AbstractMetadata.setAttribute(bandAbsRoot, AbstractMetadata.SWATH, swath);
AbstractMetadata.setAttribute(bandAbsRoot, AbstractMetadata.polarization, pol);
AbstractMetadata.setAttribute(bandAbsRoot, AbstractMetadata.annotation, metadataFile);
AbstractMetadata.setAttribute(bandAbsRoot, AbstractMetadata.first_line_time, startTime);
AbstractMetadata.setAttribute(bandAbsRoot, AbstractMetadata.last_line_time, stopTime);
if (AbstractMetadata.isNoData(absRoot, AbstractMetadata.mds1_tx_rx_polar)) {
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.mds1_tx_rx_polar, pol);
} else {
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.mds2_tx_rx_polar, pol);
}
final MetadataElement imageAnnotation = prodElem.getElement("imageAnnotation");
final MetadataElement imageInformation = imageAnnotation.getElement("imageInformation");
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.data_take_id,
Integer.parseInt(adsHeader.getAttributeString("missionDataTakeId")));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.slice_num,
Integer.parseInt(imageInformation.getAttributeString("sliceNumber")));
rangeSpacingTotal += imageInformation.getAttributeDouble("rangePixelSpacing");
azimuthSpacingTotal += imageInformation.getAttributeDouble("azimuthPixelSpacing");
AbstractMetadata.setAttribute(
bandAbsRoot,
AbstractMetadata.line_time_interval,
imageInformation.getAttributeDouble("azimuthTimeInterval"));
AbstractMetadata.setAttribute(
bandAbsRoot,
AbstractMetadata.num_samples_per_line,
imageInformation.getAttributeInt("numberOfSamples"));
AbstractMetadata.setAttribute(
bandAbsRoot,
AbstractMetadata.num_output_lines,
imageInformation.getAttributeInt("numberOfLines"));
AbstractMetadata.setAttribute(
bandAbsRoot,
AbstractMetadata.sample_type,
imageInformation.getAttributeString("pixelValue").toUpperCase());
heightSum += getBandTerrainHeight(prodElem);
if (!commonMetadataRetrieved) {
// these should be the same for all swaths
// set to absRoot
final MetadataElement generalAnnotation = prodElem.getElement("generalAnnotation");
final MetadataElement productInformation =
generalAnnotation.getElement("productInformation");
final MetadataElement processingInformation =
imageAnnotation.getElement("processingInformation");
final MetadataElement swathProcParamsList =
processingInformation.getElement("swathProcParamsList");
final MetadataElement swathProcParams = swathProcParamsList.getElement("swathProcParams");
final MetadataElement rangeProcessing = swathProcParams.getElement("rangeProcessing");
final MetadataElement azimuthProcessing = swathProcParams.getElement("azimuthProcessing");
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.range_sampling_rate,
productInformation.getAttributeDouble("rangeSamplingRate") / Constants.oneMillion);
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.radar_frequency,
productInformation.getAttributeDouble("radarFrequency") / Constants.oneMillion);
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.line_time_interval,
imageInformation.getAttributeDouble("azimuthTimeInterval"));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.slant_range_to_first_pixel,
imageInformation.getAttributeDouble("slantRangeTime") * Constants.halfLightSpeed);
final MetadataElement downlinkInformationList =
generalAnnotation.getElement("downlinkInformationList");
final MetadataElement downlinkInformation =
downlinkInformationList.getElement("downlinkInformation");
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.pulse_repetition_frequency,
downlinkInformation.getAttributeDouble("prf"));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.range_bandwidth,
rangeProcessing.getAttributeDouble("processingBandwidth") / Constants.oneMillion);
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.azimuth_bandwidth,
azimuthProcessing.getAttributeDouble("processingBandwidth"));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.range_looks,
rangeProcessing.getAttributeDouble("numberOfLooks"));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.azimuth_looks,
azimuthProcessing.getAttributeDouble("numberOfLooks"));
if (!isTOPSAR() || !isSLC()) {
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.num_output_lines,
imageInformation.getAttributeInt("numberOfLines"));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.num_samples_per_line,
imageInformation.getAttributeInt("numberOfSamples"));
}
addOrbitStateVectors(absRoot, generalAnnotation.getElement("orbitList"));
addSRGRCoefficients(absRoot, prodElem.getElement("coordinateConversion"));
addDopplerCentroidCoefficients(absRoot, prodElem.getElement("dopplerCentroid"));
commonMetadataRetrieved = true;
}
++numBands;
}
}
// set average to absRoot
AbstractMetadata.setAttribute(
absRoot, AbstractMetadata.range_spacing, rangeSpacingTotal / (double) numBands);
AbstractMetadata.setAttribute(
absRoot, AbstractMetadata.azimuth_spacing, azimuthSpacingTotal / (double) numBands);
AbstractMetadata.setAttribute(
absRoot, AbstractMetadata.avg_scene_height, heightSum / filenames.length);
}
static void addManifestMetadata(
final String productName,
final MetadataElement absRoot,
final MetadataElement origProdRoot,
boolean isOCN) {
final String defStr = AbstractMetadata.NO_METADATA_STRING;
final int defInt = AbstractMetadata.NO_METADATA;
final MetadataElement XFDU = origProdRoot.getElement("XFDU");
final MetadataElement informationPackageMap = XFDU.getElement("informationPackageMap");
final MetadataElement contentUnit = informationPackageMap.getElement("contentUnit");
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.PRODUCT, productName);
final String descriptor = contentUnit.getAttributeString("textInfo", defStr);
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.SPH_DESCRIPTOR, descriptor);
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.antenna_pointing, "right");
final MetadataElement metadataSection = XFDU.getElement("metadataSection");
final MetadataElement[] metadataObjectList = metadataSection.getElements();
for (MetadataElement metadataObject : metadataObjectList) {
final String id = metadataObject.getAttributeString("ID", defStr);
if (id.endsWith("Annotation") || id.endsWith("Schema")) {
// continue;
} else if (id.equals("processing")) {
final MetadataElement processing = findElement(metadataObject, "processing");
final MetadataElement facility = processing.getElement("facility");
final MetadataElement software = facility.getElement("software");
final String org = facility.getAttributeString("organisation");
final String name = software.getAttributeString("name");
final String version = software.getAttributeString("version");
AbstractMetadata.setAttribute(
absRoot, AbstractMetadata.ProcessingSystemIdentifier, org + ' ' + name + ' ' + version);
final ProductData.UTC start = getTime(processing, "start");
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.PROC_TIME, start);
} else if (id.equals("acquisitionPeriod")) {
final MetadataElement acquisitionPeriod = findElement(metadataObject, "acquisitionPeriod");
final ProductData.UTC startTime = getTime(acquisitionPeriod, "startTime");
final ProductData.UTC stopTime = getTime(acquisitionPeriod, "stopTime");
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.first_line_time, startTime);
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.last_line_time, stopTime);
} else if (id.equals("platform")) {
final MetadataElement platform = findElement(metadataObject, "platform");
String missionName = platform.getAttributeString("familyName", "Sentinel-1");
final String number = platform.getAttributeString("number", defStr);
if (!missionName.equals("ENVISAT")) missionName += number;
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.MISSION, missionName);
final MetadataElement instrument = platform.getElement("instrument");
AbstractMetadata.setAttribute(
absRoot, AbstractMetadata.SWATH, instrument.getAttributeString("swath", defStr));
String acqMode = instrument.getAttributeString("mode", defStr);
if (acqMode == null || acqMode.equals(defStr)) {
final MetadataElement extensionElem = instrument.getElement("extension");
if (extensionElem != null) {
final MetadataElement instrumentModeElem = extensionElem.getElement("instrumentMode");
if (instrumentModeElem != null)
acqMode = instrumentModeElem.getAttributeString("mode", defStr);
}
}
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.ACQUISITION_MODE, acqMode);
} else if (id.equals("measurementOrbitReference")) {
final MetadataElement orbitReference = findElement(metadataObject, "orbitReference");
final MetadataElement orbitNumber =
findElementContaining(orbitReference, "OrbitNumber", "type", "start");
final MetadataElement relativeOrbitNumber =
findElementContaining(orbitReference, "relativeOrbitNumber", "type", "start");
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.ABS_ORBIT,
orbitNumber.getAttributeInt("orbitNumber", defInt));
AbstractMetadata.setAttribute(
absRoot,
AbstractMetadata.REL_ORBIT,
relativeOrbitNumber.getAttributeInt("relativeOrbitNumber", defInt));
AbstractMetadata.setAttribute(
absRoot, AbstractMetadata.CYCLE, orbitReference.getAttributeInt("cycleNumber", defInt));
String pass = orbitReference.getAttributeString("pass", defStr);
if (pass.equals(defStr)) {
final MetadataElement extension = orbitReference.getElement("extension");
final MetadataElement orbitProperties = extension.getElement("orbitProperties");
pass = orbitProperties.getAttributeString("pass", defStr);
}
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.PASS, pass);
} else if (id.equals("measurementFrameSet")) {
} else if (id.equals("generalProductInformation")) {
MetadataElement generalProductInformation =
findElement(metadataObject, "generalProductInformation");
if (generalProductInformation == null)
generalProductInformation = findElement(metadataObject, "standAloneProductInformation");
String productType = "unknown";
if (isOCN) {
productType = "OCN";
} else {
if (generalProductInformation != null)
productType = generalProductInformation.getAttributeString("productType", defStr);
}
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.PRODUCT_TYPE, productType);
if (productType.contains("SLC")) {
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.SAMPLE_TYPE, "COMPLEX");
} else {
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.SAMPLE_TYPE, "DETECTED");
AbstractMetadata.setAttribute(absRoot, AbstractMetadata.srgr_flag, 1);
}
}
}
}
@Override
protected void addBands(final Product product) {
String bandName;
boolean real = true;
Band lastRealBand = null;
String unit;
final MetadataElement absRoot = AbstractMetadata.getAbstractedMetadata(product);
for (Map.Entry<String, ImageIOFile> stringImageIOFileEntry : bandImageFileMap.entrySet()) {
final ImageIOFile img = stringImageIOFileEntry.getValue();
final String imgName = img.getName().toLowerCase();
final MetadataElement bandMetadata = absRoot.getElement(imgBandMetadataMap.get(imgName));
final String swath = bandMetadata.getAttributeString(AbstractMetadata.swath);
final String pol = bandMetadata.getAttributeString(AbstractMetadata.polarization);
final int width = bandMetadata.getAttributeInt(AbstractMetadata.num_samples_per_line);
final int height = bandMetadata.getAttributeInt(AbstractMetadata.num_output_lines);
String tpgPrefix = "";
String suffix = pol;
if (isSLC() && isTOPSAR()) {
suffix = swath + '_' + pol;
tpgPrefix = swath;
}
int numImages = img.getNumImages();
if (isSLC()) {
numImages *= 2; // real + imaginary
}
for (int i = 0; i < numImages; ++i) {
if (isSLC()) {
for (int b = 0; b < img.getNumBands(); ++b) {
if (real) {
bandName = "i" + '_' + suffix;
unit = Unit.REAL;
} else {
bandName = "q" + '_' + suffix;
unit = Unit.IMAGINARY;
}
final Band band = new Band(bandName, ProductData.TYPE_INT16, width, height);
band.setUnit(unit);
product.addBand(band);
bandMap.put(band, new ImageIOFile.BandInfo(band, img, i, b));
AbstractMetadata.addBandToBandMap(bandMetadata, bandName);
if (real) {
lastRealBand = band;
} else {
ReaderUtils.createVirtualIntensityBand(product, lastRealBand, band, '_' + suffix);
}
real = !real;
// add tiepointgrids and geocoding for band
addTiePointGrids(band, imgName, tpgPrefix);
// reset to null so it doesn't adopt a geocoding from the bands
product.setGeoCoding(null);
}
} else {
for (int b = 0; b < img.getNumBands(); ++b) {
bandName = "Amplitude" + '_' + suffix;
final Band band = new Band(bandName, ProductData.TYPE_INT32, width, height);
band.setUnit(Unit.AMPLITUDE);
product.addBand(band);
bandMap.put(band, new ImageIOFile.BandInfo(band, img, i, b));
AbstractMetadata.addBandToBandMap(bandMetadata, bandName);
SARReader.createVirtualIntensityBand(product, band, '_' + suffix);
// add tiepointgrids and geocoding for band
addTiePointGrids(band, imgName, tpgPrefix);
}
}
}
}
}