Example #1
0
  private void handleMetadataGroup(Group group, MetadataElement metadataElement)
      throws ProductIOException {
    List<Variable> variables = group.getVariables();
    for (Variable variable : variables) {
      final String name = variable.getShortName();
      final int dataType = getProductDataType(variable);
      Array array;
      try {
        array = variable.read();
      } catch (IOException e) {
        throw new ProductIOException(e.getMessage());
      }
      final ProductData data = ProductData.createInstance(dataType, array.getStorage());
      final MetadataAttribute attribute = new MetadataAttribute("data", data, true);

      final MetadataElement sdsElement = new MetadataElement(name);
      sdsElement.addAttribute(attribute);
      metadataElement.addElement(sdsElement);

      final List<Attribute> list = variable.getAttributes();
      for (Attribute hdfAttribute : list) {
        final String attribName = hdfAttribute.getShortName();
        if ("units".equals(attribName)) {
          attribute.setUnit(hdfAttribute.getStringValue());
        } else if ("long_name".equals(attribName)) {
          attribute.setDescription(hdfAttribute.getStringValue());
        } else {
          addAttributeToElement(sdsElement, hdfAttribute);
        }
      }
    }
  }
Example #2
0
  public void addInputParamMetadata(Product product) throws ProductIOException {

    Variable inputParams = ncFile.findVariable("Input_Parameters");
    if (inputParams != null) {
      final MetadataElement inputParamsMeta = new MetadataElement("Input_Parameters");
      Array array;
      try {
        array = inputParams.read();
      } catch (IOException e) {
        throw new ProductIOException(e.getMessage());
      }

      String[] lines = array.toString().split("\n");
      for (String line : lines) {
        String[] parts = line.split("=");
        if (parts.length == 2) {
          final String name = parts[0].trim();
          final String value = parts[1].trim();
          final ProductData data = ProductData.createInstance(ProductData.TYPE_ASCII, value);
          final MetadataAttribute attribute = new MetadataAttribute(name, data, true);
          inputParamsMeta.addAttribute(attribute);
        }
      }

      final MetadataElement metadataRoot = product.getMetadataRoot();
      metadataRoot.addElement(inputParamsMeta);
    }
  }
 private void readBandRasterDataSubSampling(
     Band sourceBand,
     int sourceOffsetX,
     int sourceOffsetY,
     int sourceWidth,
     int sourceHeight,
     int sourceStepX,
     int sourceStepY,
     ProductData destBuffer,
     int destWidth,
     ProgressMonitor pm)
     throws IOException {
   final int sourceMinY = sourceOffsetY;
   final int sourceMaxY = sourceOffsetY + sourceHeight - 1;
   ProductData lineBuffer = ProductData.createInstance(destBuffer.getType(), sourceWidth);
   int destPos = 0;
   try {
     pm.beginTask("Reading sub sampled raster data...", 2 * (sourceMaxY - sourceMinY));
     for (int sourceY = sourceMinY; sourceY <= sourceMaxY; sourceY += sourceStepY) {
       sourceBand.readRasterData(
           sourceOffsetX, sourceY, sourceWidth, 1, lineBuffer, SubProgressMonitor.create(pm, 1));
       if (sourceStepX == 1) {
         copyData(lineBuffer, 0, destBuffer, destPos, destWidth);
       } else {
         copyLine(lineBuffer, 0, sourceWidth, sourceStepX, destBuffer, destPos);
       }
       pm.worked(1);
       destPos += destWidth;
     }
   } finally {
     pm.done();
   }
 }
Example #4
0
 MetadataAttribute attributeToMetadata(Attribute attribute) {
   final int productDataType = getProductDataType(attribute.getDataType(), false, false);
   if (productDataType != -1) {
     ProductData productData;
     if (attribute.isString()) {
       productData = ProductData.createInstance(attribute.getStringValue());
     } else if (attribute.isArray()) {
       productData = ProductData.createInstance(productDataType, attribute.getLength());
       productData.setElems(attribute.getValues().getStorage());
     } else {
       productData = ProductData.createInstance(productDataType, 1);
       productData.setElems(attribute.getValues().getStorage());
     }
     return new MetadataAttribute(attribute.getShortName(), productData, true);
   }
   return null;
 }
Example #5
0
  public ProductData readData(Variable variable) throws ProductIOException {
    final int dataType = getProductDataType(variable);
    Array array;
    try {
      array = variable.read();

    } catch (IOException e) {
      throw new ProductIOException(e.getMessage());
    }
    return ProductData.createInstance(dataType, array.getStorage());
  }
Example #6
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);
    }
  }