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);
}
}
protected void addImageFile(final String imgPath) throws IOException {
final String name =
imgPath.substring(imgPath.lastIndexOf('/') + 1, imgPath.length()).toLowerCase();
if ((name.endsWith("tiff"))) {
final InputStream inStream = getInputStream(imgPath);
final ImageInputStream imgStream = ImageIO.createImageInputStream(inStream);
if (imgStream == null) throw new IOException("Unable to open " + imgPath);
final ImageIOFile img;
if (isSLC()) {
img =
new ImageIOFile(
name,
imgStream,
ImageIOFile.getTiffIIOReader(imgStream),
1,
1,
ProductData.TYPE_INT32);
} else {
img =
new ImageIOFile(
name,
imgStream,
ImageIOFile.getTiffIIOReader(imgStream),
1,
1,
ProductData.TYPE_INT32);
}
bandImageFileMap.put(img.getName(), img);
}
}
@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);
}
}
}
}
}