private static void readCalibrationLUT(
final File file, final String lutName, final MetadataElement root, final boolean flipLUT)
throws IOException {
if (!file.exists()) return;
final org.jdom.Document xmlDoc = XMLSupport.LoadXML(file.getAbsolutePath());
final Element rootElement = xmlDoc.getRootElement();
final Element offsetElem = rootElement.getChild("offset");
final double offset = Double.parseDouble(offsetElem.getValue());
final Element gainsElem = rootElement.getChild("gains");
double[] gainsArray = StringUtils.toDoubleArray(gainsElem.getValue().trim(), " ");
if (flipLUT) {
double tmp;
for (int i = 0; i < gainsArray.length / 2; i++) {
tmp = gainsArray[i];
gainsArray[i] = gainsArray[gainsArray.length - i - 1];
gainsArray[gainsArray.length - i - 1] = tmp;
}
}
final MetadataElement lut = new MetadataElement(lutName);
root.addElement(lut);
final MetadataAttribute offsetAttrib =
new MetadataAttribute("offset", ProductData.TYPE_FLOAT64);
offsetAttrib.getData().setElemDouble(offset);
lut.addAttribute(offsetAttrib);
final MetadataAttribute gainsAttrib =
new MetadataAttribute("gains", ProductData.TYPE_FLOAT64, gainsArray.length);
gainsAttrib.getData().setElems(gainsArray);
lut.addAttribute(gainsAttrib);
}
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);
}
}
}
}
public void testASCIIAttribute() {
final MetadataAttribute attribute1 = new MetadataAttribute("name", ProductData.TYPE_ASCII, 1);
attribute1.getData().setElems("new data");
// attribute should be of type ASCII and not INT8
assertEquals(attribute1.getDataType(), ProductData.TYPE_ASCII);
final MetadataAttribute attribute2 =
new MetadataAttribute("name", new ProductData.ASCII("my string"), false);
// attribute should be of type ASCII and not INT8
assertEquals(attribute2.getDataType(), ProductData.TYPE_ASCII);
}
/**
* Adds a new coding value to this sample coding.
*
* @param name the coding name
* @param values the values
* @param description the description text
* @throws IllegalArgumentException if <code>name</code> is null
* @return A new attribute representing the coded sample.
*/
public MetadataAttribute addSamples(String name, int[] values, String description) {
Guardian.assertNotNull("name", name);
final ProductData productData =
ProductData.createInstance(ProductData.TYPE_INT32, values.length);
MetadataAttribute attribute = new MetadataAttribute(name, productData, false);
attribute.setDataElems(values);
if (description != null) {
attribute.setDescription(description);
}
addAttribute(attribute);
return attribute;
}
/**
* Adds an attribute to this node. If an attribute with the same name already exists, the method
* does nothing.
*
* @param attribute the attribute to be added
* @throws IllegalArgumentException if the attribute added is not an integer or does not have a
* scalar value
*/
@Override
public void addAttribute(MetadataAttribute attribute) {
if (!attribute.getData().isInt()) {
throw new IllegalArgumentException("attribute value is not a integer");
}
if (attribute.getData().getNumElems() == 0) {
throw new IllegalArgumentException("attribute value is missing");
}
/*
if (!attribute.getData().isScalar()) {
throw new IllegalArgumentException("attribute value is not a scalar");
}
*/
super.addAttribute(attribute);
}
public void testSetValueWithWrongType() {
// rejects illegal type?
try {
_attributeInt.setDataElems("5");
fail("IllegalArgumentException expected");
} catch (IllegalArgumentException e) {
}
}
private static void setLatLongMetadata(
final Product product,
final MetadataElement absRoot,
final String tagLat,
final String tagLon,
final float x,
final float y) {
final PixelPos pixelPos = new PixelPos(x, y);
final GeoPos geoPos = new GeoPos();
if (product.getGeoCoding() == null) return;
product.getGeoCoding().getGeoPos(pixelPos, geoPos);
final MetadataAttribute lat = absRoot.getAttribute(tagLat);
if (lat != null) lat.getData().setElemDouble(geoPos.getLat());
final MetadataAttribute lon = absRoot.getAttribute(tagLon);
if (lon != null) lon.getData().setElemDouble(geoPos.getLon());
}
public void testSetData() {
try {
_attributeInt.setDataElems(null);
fail("IllegalArgumentException expected because data is null");
} catch (IllegalArgumentException e) {
}
// null --> new value: is modified ?
_attributeInt.setDataElems(new int[] {1, 2, 3});
assertEquals(true, Arrays.equals(new int[] {1, 2, 3}, (int[]) _attributeInt.getDataElems()));
assertEquals(true, _attributeInt.isModified());
// old value == new value?
_attributeInt.setDataElems(new int[] {1, 2, 3});
assertEquals(true, Arrays.equals(new int[] {1, 2, 3}, (int[]) _attributeInt.getDataElems()));
assertEquals(true, _attributeInt.isModified());
}
private void writeMetadataAttribute(int locationID, MetadataAttribute attribute)
throws IOException {
int productDataType = attribute.getDataType();
if (attribute.getData() instanceof ProductData.ASCII
|| attribute.getData() instanceof ProductData.UTC) {
createScalarAttribute(locationID, attribute.getName(), attribute.getData().getElemString());
} else if (attribute.getData().isScalar()) {
createScalarAttribute(
locationID,
attribute.getName(),
getH5DataType(productDataType),
attribute.getData().getElems());
} else {
createArrayAttribute(
locationID,
attribute.getName(),
getH5DataType(productDataType),
attribute.getData().getNumElems(),
attribute.getData().getElems());
}
if (_metadataAnnotated) {
if (attribute.getUnit() != null) {
createScalarAttribute(locationID, attribute.getName() + ".unit", attribute.getUnit());
}
if (attribute.getDescription() != null) {
createScalarAttribute(
locationID, attribute.getName() + ".descr", attribute.getDescription());
}
}
}
private static void updateMetadata(
final Product sourceProduct, final Product targetProduct, ProductSubsetDef subsetDef)
throws IOException {
try {
final MetadataElement root = targetProduct.getMetadataRoot();
if (root == null) return;
final MetadataElement absRoot = root.getElement("Abstracted_Metadata");
if (absRoot == null) return;
boolean nearRangeOnLeft = isNearRangeOnLeft(targetProduct);
final MetadataAttribute firstLineTime = absRoot.getAttribute("first_line_time");
if (firstLineTime != null) {
final ProductData.UTC startTime = targetProduct.getStartTime();
if (startTime != null) firstLineTime.getData().setElems(startTime.getArray());
}
final MetadataAttribute lastLineTime = absRoot.getAttribute("last_line_time");
if (lastLineTime != null) {
final ProductData.UTC endTime = targetProduct.getEndTime();
if (endTime != null) lastLineTime.getData().setElems(endTime.getArray());
}
final MetadataAttribute totalSize = absRoot.getAttribute("total_size");
if (totalSize != null) totalSize.getData().setElemUInt(targetProduct.getRawStorageSize());
if (nearRangeOnLeft) {
setLatLongMetadata(targetProduct, absRoot, "first_near_lat", "first_near_long", 0.5f, 0.5f);
setLatLongMetadata(
targetProduct,
absRoot,
"first_far_lat",
"first_far_long",
targetProduct.getSceneRasterWidth() - 1 + 0.5f,
0.5f);
setLatLongMetadata(
targetProduct,
absRoot,
"last_near_lat",
"last_near_long",
0.5f,
targetProduct.getSceneRasterHeight() - 1 + 0.5f);
setLatLongMetadata(
targetProduct,
absRoot,
"last_far_lat",
"last_far_long",
targetProduct.getSceneRasterWidth() - 1 + 0.5f,
targetProduct.getSceneRasterHeight() - 1 + 0.5f);
} else {
setLatLongMetadata(
targetProduct,
absRoot,
"first_near_lat",
"first_near_long",
targetProduct.getSceneRasterWidth() - 1 + 0.5f,
0.5f);
setLatLongMetadata(targetProduct, absRoot, "first_far_lat", "first_far_long", 0.5f, 0.5f);
setLatLongMetadata(
targetProduct,
absRoot,
"last_near_lat",
"last_near_long",
targetProduct.getSceneRasterWidth() - 1 + 0.5f,
targetProduct.getSceneRasterHeight() - 1 + 0.5f);
setLatLongMetadata(
targetProduct,
absRoot,
"last_far_lat",
"last_far_long",
0.5f,
targetProduct.getSceneRasterHeight() - 1 + 0.5f);
}
final MetadataAttribute height = absRoot.getAttribute("num_output_lines");
if (height != null) height.getData().setElemUInt(targetProduct.getSceneRasterHeight());
final MetadataAttribute width = absRoot.getAttribute("num_samples_per_line");
if (width != null) width.getData().setElemUInt(targetProduct.getSceneRasterWidth());
final MetadataAttribute offsetX = absRoot.getAttribute("subset_offset_x");
if (offsetX != null && subsetDef.getRegion() != null)
offsetX.getData().setElemUInt(subsetDef.getRegion().x);
final MetadataAttribute offsetY = absRoot.getAttribute("subset_offset_y");
if (offsetY != null && subsetDef.getRegion() != null)
offsetY.getData().setElemUInt(subsetDef.getRegion().y);
final MetadataAttribute slantRange = absRoot.getAttribute("slant_range_to_first_pixel");
if (slantRange != null) {
final TiePointGrid srTPG = targetProduct.getTiePointGrid("slant_range_time");
if (srTPG != null) {
final double slantRangeTime;
if (nearRangeOnLeft) {
slantRangeTime = srTPG.getPixelDouble(0, 0) / 1000000000.0; // ns to s
} else {
slantRangeTime =
srTPG.getPixelDouble(targetProduct.getSceneRasterWidth() - 1, 0)
/ 1000000000.0; // ns to s
}
final double halfLightSpeed = 299792458.0 / 2.0;
final double slantRangeDist = slantRangeTime * halfLightSpeed;
slantRange.getData().setElemDouble(slantRangeDist);
}
}
setSubsetSRGRCoefficients(sourceProduct, targetProduct, subsetDef, absRoot, nearRangeOnLeft);
} catch (Exception e) {
throw new IOException(e);
}
}
