private static void writedescription(PrintWriter out, RasterDataNode rasterDataNode) {
assert rasterDataNode != null;
String description = rasterDataNode.getDescription();
String unit = rasterDataNode.getUnit();
if (unit == null || unit.trim().length() == 0) {
unit = "1";
}
if (rasterDataNode.isLog10Scaled()) {
unit = "log(" + unit + ")";
}
unit = " - Unit: " + unit;
String wavelength = "";
// String bandwidth = "";
if (rasterDataNode instanceof Band) {
Band band = (Band) rasterDataNode;
if (band.getSpectralWavelength() != 0.0) {
wavelength = " - Wavelength: " + band.getSpectralWavelength() + "nm";
// bandwidth = " - Bandwidth: " + band.getSpectralBandwidth() + "nm";
}
}
if (description == null || description.trim().length() == 0) {
description = rasterDataNode.getProduct().getDescription();
}
out.println(
"description = {"
+ description
+ unit
+ wavelength
// + bandwidth
+ "}");
}
/**
* Writes the wavelength value to the out stream if the given rasterDataNode is an instance of
* <code>BAND</code>
*
* @param out - the tream to write to
* @param rasterDataNode the <code>RasterDataNode</code>
*/
private static void writeWavelength(PrintWriter out, RasterDataNode rasterDataNode) {
if (rasterDataNode instanceof Band) {
final Band band = (Band) rasterDataNode;
final float spectralWavelength = band.getSpectralWavelength();
if (spectralWavelength != 0) {
out.println("wavelength = {" + spectralWavelength + "}");
}
}
}
private Integer createBandH5D(Band band) throws IOException {
final int w = band.getRasterWidth();
final int h = band.getRasterHeight();
long[] dims = new long[] {h, w};
int datasetID = -1;
int fileTypeID = -1;
int fileSpaceID = -1;
try {
fileTypeID = createH5TypeID(band.getDataType());
fileSpaceID = H5.H5Screate_simple(2, dims, null);
datasetID =
H5.H5Dcreate(
_fileID,
"/bands/" + band.getName(),
fileTypeID,
fileSpaceID,
HDF5Constants.H5P_DEFAULT);
try {
// @todo 1 nf/tb - MEMOPT: add min, max here
createScalarAttribute(datasetID, "raster_width", band.getRasterWidth());
createScalarAttribute(datasetID, "raster_height", band.getRasterHeight());
createScalarAttribute(datasetID, "scaling_factor", band.getScalingFactor());
createScalarAttribute(datasetID, "scaling_offset", band.getScalingOffset());
createScalarAttribute(datasetID, "log10_scaled", band.isLog10Scaled() ? "true" : "false");
createScalarAttribute(datasetID, "unit", band.getUnit());
createScalarAttribute(datasetID, "description", band.getDescription());
if (band.getSpectralBandIndex() >= 0) {
createScalarAttribute(datasetID, "spectral_band_index", band.getSpectralBandIndex() + 1);
createScalarAttribute(datasetID, "solar_flux", band.getSolarFlux());
createScalarAttribute(datasetID, "bandwidth", band.getSpectralBandwidth());
createScalarAttribute(datasetID, "wavelength", band.getSpectralWavelength());
}
if (band.getFlagCoding() != null) {
createScalarAttribute(datasetID, "flag_coding", band.getFlagCoding().getName());
}
createScalarAttribute(datasetID, "CLASS", "IMAGE");
createScalarAttribute(datasetID, "IMAGE_VERSION", 1.2F);
if (band.isStxSet()) {
final Stx stx = band.getStx();
createScalarAttribute(datasetID, "min_sample", stx.getMinimum());
createScalarAttribute(datasetID, "max_sample", stx.getMaximum());
}
if (band.getImageInfo() != null) {
final ColorPaletteDef paletteDef = band.getImageInfo().getColorPaletteDef();
float[] minmax =
new float[] {
(float) paletteDef.getMinDisplaySample(), (float) paletteDef.getMaxDisplaySample()
};
createArrayAttribute(datasetID, "IMAGE_MINMAXRANGE", minmax);
}
} catch (IOException e) {
/* ignore IOException because these attributes are not very essential... */
Debug.trace("failed to create attribute: " + e.getMessage());
}
} catch (HDF5Exception e) {
closeH5D(datasetID);
throw new ProductIOException(createErrorMessage(e));
} finally {
closeH5S(fileSpaceID);
closeH5T(fileTypeID);
}
return datasetID;
}
protected void addBandsToProduct(Product product) {
Debug.assertNotNull(getSourceProduct());
Debug.assertNotNull(product);
for (int i = 0; i < getSourceProduct().getNumBands(); i++) {
Band sourceBand = getSourceProduct().getBandAt(i);
String bandName = sourceBand.getName();
if (isNodeAccepted(bandName)) {
Band destBand;
boolean treatVirtualBandsAsRealBands = false;
if (getSubsetDef() != null && getSubsetDef().getTreatVirtualBandsAsRealBands()) {
treatVirtualBandsAsRealBands = true;
}
// @todo 1 se/se - extract copy of a band or virtual band to create deep clone of band and
// virtual band
if (!treatVirtualBandsAsRealBands && sourceBand instanceof VirtualBand) {
VirtualBand virtualSource = (VirtualBand) sourceBand;
destBand =
new VirtualBand(
bandName,
sourceBand.getDataType(),
getSceneRasterWidth(),
getSceneRasterHeight(),
virtualSource.getExpression());
} else {
destBand =
new Band(
bandName,
sourceBand.getDataType(),
getSceneRasterWidth(),
getSceneRasterHeight());
}
if (sourceBand.getUnit() != null) {
destBand.setUnit(sourceBand.getUnit());
}
if (sourceBand.getDescription() != null) {
destBand.setDescription(sourceBand.getDescription());
}
destBand.setScalingFactor(sourceBand.getScalingFactor());
destBand.setScalingOffset(sourceBand.getScalingOffset());
destBand.setLog10Scaled(sourceBand.isLog10Scaled());
destBand.setSpectralBandIndex(sourceBand.getSpectralBandIndex());
destBand.setSpectralWavelength(sourceBand.getSpectralWavelength());
destBand.setSpectralBandwidth(sourceBand.getSpectralBandwidth());
destBand.setSolarFlux(sourceBand.getSolarFlux());
if (sourceBand.isNoDataValueSet()) {
destBand.setNoDataValue(sourceBand.getNoDataValue());
}
destBand.setNoDataValueUsed(sourceBand.isNoDataValueUsed());
destBand.setValidPixelExpression(sourceBand.getValidPixelExpression());
FlagCoding sourceFlagCoding = sourceBand.getFlagCoding();
IndexCoding sourceIndexCoding = sourceBand.getIndexCoding();
if (sourceFlagCoding != null) {
String flagCodingName = sourceFlagCoding.getName();
FlagCoding destFlagCoding = product.getFlagCodingGroup().get(flagCodingName);
Debug.assertNotNull(
destFlagCoding); // should not happen because flag codings should be already in
// product
destBand.setSampleCoding(destFlagCoding);
} else if (sourceIndexCoding != null) {
String indexCodingName = sourceIndexCoding.getName();
IndexCoding destIndexCoding = product.getIndexCodingGroup().get(indexCodingName);
Debug.assertNotNull(
destIndexCoding); // should not happen because index codings should be already in
// product
destBand.setSampleCoding(destIndexCoding);
} else {
destBand.setSampleCoding(null);
}
if (isFullScene(getSubsetDef()) && sourceBand.isStxSet()) {
copyStx(sourceBand, destBand);
}
product.addBand(destBand);
bandMap.put(destBand, sourceBand);
}
}
for (final Map.Entry<Band, RasterDataNode> entry : bandMap.entrySet()) {
copyImageInfo(entry.getValue(), entry.getKey());
}
}
@Override
public void initialize() throws OperatorException {
if (computeErrorBands) {
deactivateComputeTileMethod();
}
if (endmemberFile != null) {
loadEndmemberFile();
}
if (sourceBandNames == null || sourceBandNames.length == 0) {
Band[] bands = sourceProduct.getBands();
ArrayList<String> bandNameList = new ArrayList<String>();
for (Band band : bands) {
if (band.getSpectralWavelength() > 0) {
bandNameList.add(band.getName());
}
}
sourceBandNames = bandNameList.toArray(new String[bandNameList.size()]);
}
validateParameters();
sourceBands = new Band[sourceBandNames.length];
for (int i = 0; i < sourceBandNames.length; i++) {
String sourceBandName = sourceBandNames[i];
Band sourceBand = sourceProduct.getBand(sourceBandName);
if (sourceBand == null) {
throw new OperatorException("Source band not found: " + sourceBandName);
}
if (sourceBand.getSpectralWavelength() <= 0) {
throw new OperatorException("Source band without spectral wavelength: " + sourceBandName);
}
sourceBands[i] = sourceBand;
}
int numSourceBands = sourceBands.length;
int numEndmembers = endmembers.length;
if (numSourceBands < numEndmembers) {
throw new OperatorException("Number of source bands must be >= number of endmembers.");
}
double[][] lsuMatrixElements = new double[numSourceBands][numEndmembers];
for (int j = 0; j < numEndmembers; j++) {
Endmember endmember = endmembers[j];
double[] wavelengths = endmember.getWavelengths();
double[] radiations = endmember.getRadiations();
for (int i = 0; i < numSourceBands; i++) {
Band sourceBand = sourceBands[i];
float wavelength = sourceBand.getSpectralWavelength();
float bandwidth = sourceBand.getSpectralBandwidth();
int k =
findEndmemberSpectralIndex(wavelengths, wavelength, Math.max(bandwidth, minBandwidth));
if (k == -1) {
throw new OperatorException(
String.format(
"Band %s: No matching endmember wavelength found (%f nm)",
sourceBand.getName(), wavelength));
}
lsuMatrixElements[i][j] = radiations[k];
}
}
if (UC_LSU.equals(unmixingModelName)) {
spectralUnmixing = new UnconstrainedLSU(lsuMatrixElements);
} else if (C_LSU.equals(unmixingModelName)) {
spectralUnmixing = new ConstrainedLSU(lsuMatrixElements);
} else if (FC_LSU.equals(unmixingModelName)) {
spectralUnmixing = new FullyConstrainedLSU(lsuMatrixElements);
} else if (unmixingModelName == null) {
spectralUnmixing = new UnconstrainedLSU(lsuMatrixElements);
}
int width = sourceProduct.getSceneRasterWidth();
int height = sourceProduct.getSceneRasterHeight();
targetProduct =
new Product(sourceProduct.getName() + "_unmixed", "SpectralUnmixing", width, height);
abundanceBands = new Band[numEndmembers];
for (int i = 0; i < numEndmembers; i++) {
abundanceBands[i] =
targetProduct.addBand(
endmembers[i].getName() + abundanceBandNameSuffix, ProductData.TYPE_FLOAT32);
}
if (computeErrorBands) {
errorBands = new Band[numSourceBands];
for (int i = 0; i < errorBands.length; i++) {
final String erroBandName = sourceBands[i].getName() + errorBandNameSuffix;
errorBands[i] = targetProduct.addBand(erroBandName, ProductData.TYPE_FLOAT32);
ProductUtils.copySpectralBandProperties(sourceBands[i], errorBands[i]);
}
summaryErrorBand = targetProduct.addBand("summary_error", ProductData.TYPE_FLOAT32);
summaryErrorBand.setDescription("Root mean square error");
}
ProductUtils.copyMetadata(sourceProduct, targetProduct);
ProductUtils.copyTiePointGrids(sourceProduct, targetProduct);
ProductUtils.copyGeoCoding(sourceProduct, targetProduct);
}