protected void setSpectralBand(Product product) {
int spectralBandIndex = 0;
for (String name : product.getBandNames()) {
Band band = product.getBandAt(product.getBandIndex(name));
if (name.matches("\\w+_\\d{3,}")) {
String[] parts = name.split("_");
String wvlstr = parts[parts.length - 1].trim();
// Some bands have the wvl portion in the middle...
if (!wvlstr.matches("^\\d{3,}")) {
wvlstr = parts[parts.length - 2].trim();
}
final float wavelength = Float.parseFloat(wvlstr);
band.setSpectralWavelength(wavelength);
band.setSpectralBandIndex(spectralBandIndex++);
}
}
}
// Don't do this...it hurts. Too much of a memory hog...
private void addBandsBinMap(Product product) throws IOException, InvalidRangeException {
String[] bandList = product.getBandNames();
if (rowInfo == null) {
rowInfo = createRowInfos();
}
final int height = sceneHeight;
final int width = sceneWidth;
final ISINGrid grid = this.grid;
// loop over lines
try {
int[] lineOffsets = new int[1];
int[] lineLengths = new int[1];
int[] stride = new int[1];
stride[0] = 1;
// for (int y = sourceOffsetY; y < sourceOffsetY + sourceHeight; y++) {
for (String name : bandList) {
if (name.endsWith("mean") || name.endsWith("stdev")) continue;
Band band = product.getBand(name);
ProductData buffer;
final Variable variable = variableMap.get(band);
DataType prodtype = variable.getDataType();
float[] fbuffer = new float[width * height];
short[] sbuffer = new short[width * height];
int[] ibuffer = new int[width * height];
byte[] bbuffer = new byte[width * height];
if (prodtype == DataType.FLOAT) {
Arrays.fill(fbuffer, Float.NaN);
buffer = ProductData.createInstance(fbuffer);
} else if (prodtype == DataType.SHORT) {
Arrays.fill(sbuffer, (short) -999);
buffer = ProductData.createInstance(sbuffer);
} else if (prodtype == DataType.BYTE) {
Arrays.fill(bbuffer, (byte) 255);
buffer = ProductData.createInstance(bbuffer);
} else {
Arrays.fill(ibuffer, -999);
buffer = ProductData.createInstance(ibuffer);
}
for (int y = 0; y < height; y++) {
final int rowIndex = (height - 1) - y;
final RowInfo rowInfo = this.rowInfo[rowIndex];
if (rowInfo != null) {
final Array bindata;
final int lineOffset = rowInfo.offset;
final int lineLength = rowInfo.length;
lineOffsets[0] = lineOffset;
lineLengths[0] = lineLength;
synchronized (ncFile) {
bindata =
variable
.read()
.section(lineOffsets, lineLengths, stride); // .copyTo1DJavaArray();
}
int lineIndex0 = 0;
for (int x = 0; x < width; x++) {
final double lon = x * 360.0 / width;
final int binIndex = grid.getBinIndex(rowIndex, lon);
int lineIndex = -1;
for (int i = lineIndex0; i < lineLength; i++) {
int binidx = bins[lineOffset + i];
if (binidx >= binIndex) {
if (binidx == binIndex) {
lineIndex = i;
}
lineIndex0 = i;
break;
}
}
if (lineIndex >= 0) {
final int rasterIndex = width * y + x;
final Array elem;
elem = Array.factory(bindata.copyTo1DJavaArray());
for (int i = 0; i < elem.getSize(); i++) {
if (prodtype == DataType.FLOAT) {
buffer.setElemFloatAt(rasterIndex, elem.getFloat(i));
} else {
buffer.setElemIntAt(rasterIndex, elem.getInt(i));
}
// System.arraycopy(bindata, lineIndex, buffer,
// rasterIndex, 1);
}
}
}
}
}
band.setDataElems(buffer);
}
} catch (IOException e) {
throw new IOException("Could not map product " + product.getName(), e);
}
}