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);
}
/**
* Returns the UTC for a global time attribute.
*
* @param product the product.
* @param timeAttrName the name of the time attribute.
* @return the attribute value as UTC or {@code null} if the attribute vallue cannot be parsed.
* @see MetadataAttribute
* @see ProductData.UTC
*/
public static ProductData.UTC getTimeAttrValue(final Product product, final String timeAttrName) {
final MetadataElement pa = product.getMetadataRoot().getElement(GLOBAL_ATTRIBUTES);
if (pa == null) {
return null;
}
final MetadataAttribute timeAttr = pa.getAttribute(timeAttrName);
if (timeAttr == null) {
return null;
}
final ProductData timeAttrData = timeAttr.getData();
if (timeAttrData == null) {
return null;
}
final String timeString = timeAttrData.getElemString();
if ("".equals(timeString.trim())) {
return null;
}
ProductData.UTC utc = null;
for (final String pattern : DATE_TIME_PATTERNS) {
try {
utc = ProductData.UTC.parse(timeString, pattern);
break; // utc is never null here
} catch (ParseException ignored) {
// ignore
} catch (IllegalArgumentException ignored) {
// ignore
}
}
return utc;
}
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);
}
}
}
}
private void addMask(
MetadataAttribute metadataSample, String expression, Color color, Product product) {
final ProductNodeGroup<Mask> maskGroup = product.getMaskGroup();
final int width = product.getSceneRasterWidth();
final int height = product.getSceneRasterHeight();
Mask mask =
Mask.BandMathsType.create(
metadataSample.getName().toLowerCase(),
metadataSample.getDescription(),
width,
height,
expression,
color,
0.5);
maskGroup.add(mask);
}
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());
}
static boolean addDiagnosticSitePin(Product product) {
final MetadataElement pa = product.getMetadataRoot().getElement(GLOBAL_ATTRIBUTES);
if (pa == null || product.getGeoCoding() == null) {
return false;
}
final MetadataAttribute siteIdAttr = pa.getAttribute(ProductAttributes.SITE_ID);
final MetadataAttribute siteLonAttr = pa.getAttribute(ProductAttributes.SITE_LON);
final MetadataAttribute siteLatAttr = pa.getAttribute(ProductAttributes.SITE_LAT);
if (siteIdAttr == null || siteLonAttr == null || siteLatAttr == null) {
return false;
}
final String siteId = siteIdAttr.getData().getElemString();
final float siteLon = siteLonAttr.getData().getElemFloat();
final float siteLat = siteLatAttr.getData().getElemFloat();
final String pinName = new StringBuilder("SITE").append("_").append(siteId).toString();
if (product.getPinGroup().contains(pinName)) {
return false;
}
final String pinLabel = pa.getAttributeString(ProductAttributes.SITE_NAME, pinName);
final Placemark pointPlacemark =
Placemark.createPointPlacemark(
PinDescriptor.getInstance(),
pinName,
pinLabel,
"GlobColour diagnostic site",
null,
new GeoPos(siteLat, siteLon),
product.getGeoCoding());
product.getPinGroup().add(pointPlacemark);
return true;
}
public MetadataElement getAsMetadataElement(CompoundData compoundData) throws IOException {
CompoundType type = compoundData.getType();
final int memberCount = type.getMemberCount();
MetadataElement metadataElement = new MetadataElement(type.getName());
for (int i = 0; i < memberCount; i++) {
String typeName = type.getMemberName(i);
CompoundMember member = type.getMember(i);
FormatMetadata formatMetadata = (FormatMetadata) member.getMetadata();
if (typeName.equals("fill")) {
// ignore
} else if (formatMetadata != null && formatMetadata.getType().equals("string")) {
String stringValue = getAsString(compoundData.getSequence(i));
Map<Object, String> map = getMetaData(member).getItemMap();
if (map != null) {
stringValue = map.get(stringValue);
}
ProductData data = ProductData.createInstance(stringValue);
MetadataAttribute attribute = new MetadataAttribute(typeName, data, true);
attribute.setDescription(getDescription(member));
attribute.setUnit(getUnits(member));
metadataElement.addAttribute(attribute);
} else if (member.getType().getName().equals("DATE")) {
CompoundData dateCompound = compoundData.getCompound(i);
ProductData data = createDate(dateCompound);
MetadataAttribute attribute = new MetadataAttribute(typeName, data, true);
attribute.setDescription(getDescription(member));
attribute.setUnit(getUnits(member));
metadataElement.addAttribute(attribute);
} else if (member.getType().isSequenceType()) {
SequenceData sequence = compoundData.getSequence(i);
for (int j = 0; j < sequence.getType().getElementCount(); j++) {
CompoundData compound = sequence.getCompound(j);
metadataElement.addElement(getAsMetadataElement(compound));
}
} else if (member.getType().isCompoundType()) {
metadataElement.addElement(getAsMetadataElement(compoundData.getCompound(i)));
} else if (member.getType().isSimpleType()) {
int intValue = compoundData.getInt(i);
Map<Object, String> map = getMetaData(member).getItemMap();
ProductData data;
if (map != null) {
String stringValue = map.get(intValue);
data = ProductData.createInstance(stringValue);
} else {
double scalingFactor = getMetaData(member).getScalingFactor();
if (scalingFactor == 1.0) {
data = ProductData.createInstance(new int[] {intValue});
} else {
data = ProductData.createInstance(new double[] {intValue * scalingFactor});
}
}
MetadataAttribute attribute = new MetadataAttribute(typeName, data, true);
attribute.setDescription(getDescription(member));
attribute.setUnit(getUnits(member));
metadataElement.addAttribute(attribute);
} else {
System.out.println("not handled: name=" + typeName);
System.out.println("member = " + member.getType());
}
}
return metadataElement;
}
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);
}
}