Exemple #1
0
 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++);
     }
   }
 }
Exemple #2
0
  // 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);
    }
  }