Beispiel #1
0
  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 Map<Band, Variable> addSmiBands(Product product, List<Variable> variables) {
    final int sceneRasterWidth = product.getSceneRasterWidth();
    final int sceneRasterHeight = product.getSceneRasterHeight();
    Map<Band, Variable> bandToVariableMap = new HashMap<Band, Variable>();
    for (Variable variable : variables) {
      int variableRank = variable.getRank();
      if (variableRank == 2) {
        final int[] dimensions = variable.getShape();
        final int height = dimensions[0];
        final int width = dimensions[1];
        if (height == sceneRasterHeight && width == sceneRasterWidth) {
          String name = variable.getShortName();
          if (name.equals("l3m_data")) {
            try {
              name = getStringAttribute("Parameter") + " " + getStringAttribute("Measure");
            } catch (Exception e) {
              e.printStackTrace();
            }
          }

          final int dataType = getProductDataType(variable);
          final Band band = new Band(name, dataType, width, height);
          //                    band = new Band(name, dataType, width, height);

          product.addBand(band);

          try {
            Attribute fillvalue = variable.findAttribute("_FillValue");
            if (fillvalue == null) {
              fillvalue = variable.findAttribute("Fill");
            }
            if (fillvalue != null) {
              band.setNoDataValue((double) fillvalue.getNumericValue().floatValue());
              band.setNoDataValueUsed(true);
            }
          } catch (Exception ignored) {

          }
          bandToVariableMap.put(band, variable);
          // Set units, if defined
          try {
            band.setUnit(getStringAttribute("Units"));
          } catch (Exception ignored) {

          }

          final List<Attribute> list = variable.getAttributes();
          double[] validMinMax = {0.0, 0.0};
          for (Attribute hdfAttribute : list) {
            final String attribName = hdfAttribute.getShortName();
            if ("units".equals(attribName)) {
              band.setUnit(hdfAttribute.getStringValue());
            } else if ("long_name".equalsIgnoreCase(attribName)) {
              band.setDescription(hdfAttribute.getStringValue());
            } else if ("slope".equalsIgnoreCase(attribName)) {
              band.setScalingFactor(hdfAttribute.getNumericValue(0).doubleValue());
            } else if ("intercept".equalsIgnoreCase(attribName)) {
              band.setScalingOffset(hdfAttribute.getNumericValue(0).doubleValue());
            } else if ("scale_factor".equals(attribName)) {
              band.setScalingFactor(hdfAttribute.getNumericValue(0).doubleValue());
            } else if ("add_offset".equals(attribName)) {
              band.setScalingOffset(hdfAttribute.getNumericValue(0).doubleValue());
            } else if (attribName.startsWith("valid_")) {
              if ("valid_min".equals(attribName)) {
                validMinMax[0] = hdfAttribute.getNumericValue(0).doubleValue();
              } else if ("valid_max".equals(attribName)) {
                validMinMax[1] = hdfAttribute.getNumericValue(0).doubleValue();
              } else if ("valid_range".equals(attribName)) {
                validMinMax[0] = hdfAttribute.getNumericValue(0).doubleValue();
                validMinMax[1] = hdfAttribute.getNumericValue(1).doubleValue();
              }
            }
          }
          if (validMinMax[0] != validMinMax[1]) {
            double[] minmax = {0.0, 0.0};
            minmax[0] = validMinMax[0];
            minmax[1] = validMinMax[1];

            if (band.getScalingFactor() != 1.0) {
              minmax[0] *= band.getScalingFactor();
              minmax[1] *= band.getScalingFactor();
            }
            if (band.getScalingOffset() != 0.0) {
              minmax[0] += band.getScalingOffset();
              minmax[1] += band.getScalingOffset();
            }

            String validExp = format("%s >= %.2f && %s <= %.2f", name, minmax[0], name, minmax[1]);
            band.setValidPixelExpression(
                validExp); // .format(name, validMinMax[0], name, validMinMax[1]));
          }
        }
      } else if (variableRank == 4) {
        final int[] dimensions = variable.getShape();
        final int height = dimensions[2];
        final int width = dimensions[3];
        if (height == sceneRasterHeight && width == sceneRasterWidth) {
          String name = variable.getShortName();

          final int dataType = getProductDataType(variable);
          final Band band = new Band(name, dataType, width, height);
          //                    band = new Band(name, dataType, width, height);

          Variable sliced = null;
          try {
            sliced = variable.slice(0, 0).slice(0, 0);
          } catch (InvalidRangeException e) {
            e.printStackTrace(); // Todo change body of catch statement.
          }

          bandToVariableMap.put(band, sliced);
          product.addBand(band);

          try {
            Attribute fillvalue = variable.findAttribute("_FillValue");
            if (fillvalue != null) {
              band.setNoDataValue((double) fillvalue.getNumericValue().floatValue());
              band.setNoDataValueUsed(true);
            }
          } catch (Exception ignored) {

          }
          // Set units, if defined
          try {
            band.setUnit(getStringAttribute("units"));
          } catch (Exception ignored) {

          }

          final List<Attribute> list = variable.getAttributes();
          for (Attribute hdfAttribute : list) {
            final String attribName = hdfAttribute.getShortName();
            if ("scale_factor".equals(attribName)) {
              band.setScalingFactor(hdfAttribute.getNumericValue(0).doubleValue());
            } else if ("add_offset".equals(attribName)) {
              band.setScalingOffset(hdfAttribute.getNumericValue(0).doubleValue());
            }
          }
        }
      }
    }
    return bandToVariableMap;
  }
  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());
    }
  }