FactoryResource<DynamicObject> Nitf::DesSubheader::createDefaultsDynamicObject(
const RasterDataDescriptor *pDescriptor)
{
FactoryResource<DynamicObject> pDesSubheader;
// Per the NITF spec, the field "DE" must contain the value "DE".
pDesSubheader->setAttribute(DE, DE);
return pDesSubheader;
}
DynamicObject *QueryOptions::toDynamicObject() const
{
FactoryResource<DynamicObject> pDynObj;
VERIFYRV(pDynObj.get() != NULL, NULL);
pDynObj->setAttribute(QUERY_NAME, mQueryName);
pDynObj->setAttribute(FORMAT_STRING, mFormatString);
pDynObj->setAttribute(QUERY_STRING, mQueryString);
pDynObj->setAttribute(SYMBOL_NAME, mSymbolName);
pDynObj->setAttribute(SYMBOL_SIZE, mSymbolSize);
pDynObj->setAttribute(LINE_STATE, mLineState);
pDynObj->setAttribute(LINE_STYLE, mLineStyle);
pDynObj->setAttribute(LINE_WIDTH, mLineWidth);
pDynObj->setAttribute(LINE_COLOR, mLineColor);
pDynObj->setAttribute(LINE_SCALED, mLineScaled);
pDynObj->setAttribute(FILL_COLOR, mFillColor);
pDynObj->setAttribute(FILL_STYLE, mFillStyle);
pDynObj->setAttribute(HATCH_STYLE, mHatchStyle);
return pDynObj.release();
}
vector<ImportDescriptor*> SignatureSetImporter::createImportDescriptors(DOMTreeWalker* pTree, vector<string> &datasetPath)
{
vector<ImportDescriptor*> descriptors;
FactoryResource<DynamicObject> pMetadata;
VERIFYRV(pMetadata.get() != NULL, descriptors);
string datasetName = StringUtilities::toDisplayString(mDatasetNumber++);
for (DOMNode* pChld = pTree->firstChild(); pChld != NULL; pChld = pTree->nextSibling())
{
if (XMLString::equals(pChld->getNodeName(), X("metadata")))
{
DOMElement* pElmnt = static_cast<DOMElement*>(pChld);
string name = A(pElmnt->getAttribute(X("name")));
string val = A(pElmnt->getAttribute(X("value")));
pMetadata->setAttribute(name, val);
if (name == "Name")
{
datasetName = val;
}
}
else if (XMLString::equals(pChld->getNodeName(), X("signature_set")))
{
datasetPath.push_back(datasetName);
vector<ImportDescriptor*> sub = createImportDescriptors(pTree, datasetPath);
datasetPath.pop_back();
descriptors.insert(descriptors.end(), sub.begin(), sub.end());
pTree->parentNode();
}
}
ImportDescriptorResource pImportDescriptor(datasetName, "SignatureSet", datasetPath);
VERIFYRV(pImportDescriptor.get() != NULL, descriptors);
DataDescriptor* pDataDescriptor = pImportDescriptor->getDataDescriptor();
VERIFYRV(pDataDescriptor != NULL, descriptors);
FactoryResource<SignatureFileDescriptor> pFileDescriptor;
VERIFYRV(pFileDescriptor.get() != NULL, descriptors);
pFileDescriptor->setFilename(mFilename);
datasetPath.push_back(datasetName);
string loc = "/" + StringUtilities::join(datasetPath, "/");
datasetPath.pop_back();
pFileDescriptor->setDatasetLocation(loc);
pDataDescriptor->setFileDescriptor(pFileDescriptor.get());
pDataDescriptor->setMetadata(pMetadata.get());
descriptors.push_back(pImportDescriptor.release());
return descriptors;
}
vector<ImportDescriptor*> EnviLibraryImporter::getImportDescriptors(const string& filename)
{
vector<ImportDescriptor*> descriptors;
string headerFile = filename;
string dataFile;
// assume filename is a header file and try to parse
bool bSuccess = mFields.populateFromHeader(filename);
if (bSuccess == false)
{
dataFile = filename; // was passed data file name instead of header file name
headerFile = findHeaderFile(dataFile);
if (headerFile.empty() == false)
{
bSuccess = mFields.populateFromHeader(headerFile);
}
}
if (bSuccess == true)
{
if (dataFile.empty()) // was passed header file name and now need to find the data file name
{
dataFile = findDataFile(headerFile);
}
if (dataFile.empty()) // no data file found for the header
{
return descriptors;
}
EnviField* pField = mFields.find("file type");
if (pField != NULL)
{
if (pField->mValue == "ENVI Spectral Library" ||
pField->mValue == "Spectral Library")
{
// Get the name and dataset from the header values
string name;
string dataset;
EnviField* pBandNamesField = mFields.find("band names");
if (pBandNamesField != NULL)
{
if (pBandNamesField->mChildren.empty() == false)
{
EnviField* pNameField = pBandNamesField->mChildren.front();
if (pNameField != NULL)
{
name = pNameField->mValue;
}
}
}
EnviField* pDescriptionField = mFields.find("description");
if (pDescriptionField != NULL)
{
// Library name
if (name.empty() == true)
{
EnviField* pNameField = pDescriptionField->find("library name");
if (pNameField != NULL)
{
name = pNameField->mValue;
}
}
// Dataset
EnviField* pDatasetField = pDescriptionField->find("dataset");
if (pDatasetField != NULL)
{
dataset = pDatasetField->mValue;
}
}
// Create the data descriptor
Service<ModelServices> pModel;
RasterElement* pRasterElement = NULL;
if (dataset.empty() == false)
{
pRasterElement = dynamic_cast<RasterElement*>(pModel->getElement(dataset, "RasterElement", NULL));
}
if (name.empty() == true)
{
// Create a unique default name
unsigned int libraryNumber = pModel->getElements(pRasterElement, "SignatureLibrary").size();
DataElement* pSignatureLibrary = NULL;
do
{
char buffer[64];
sprintf(buffer, "%u", ++libraryNumber);
name = "Spectral Library " + string(buffer);
pSignatureLibrary = pModel->getElement(name, "SignatureLibrary", pRasterElement);
}
while (pSignatureLibrary != NULL);
}
ImportDescriptor* pImportDescriptor =
pModel->createImportDescriptor(name, "SignatureLibrary", pRasterElement);
if (pImportDescriptor != NULL)
{
SignatureDataDescriptor* pDescriptor =
dynamic_cast<SignatureDataDescriptor*>(pImportDescriptor->getDataDescriptor());
if (pDescriptor != NULL)
{
// Metadata
FactoryResource<DynamicObject> pMetadata;
if (pDescriptionField != NULL)
{
vector<EnviField*>& children = pDescriptionField->mChildren;
for (vector<EnviField*>::iterator iter = children.begin(); iter != children.end(); ++iter)
{
EnviField* pField = *iter;
if (pField != NULL)
{
if ((pField->mTag.empty() == false) && (pField->mValue.empty() == false))
{
pMetadata->setAttribute(pField->mTag, pField->mValue);
}
}
}
}
// Signature names
EnviField* pSigNamesField = mFields.find("spectra names");
if (pSigNamesField != NULL)
{
vector<string> sigNames;
for (unsigned int i = 0; i < pSigNamesField->mChildren.size(); i++)
{
EnviField* pField = pSigNamesField->mChildren[i];
if (pField != NULL)
{
vector<char> bufferVector(pField->mValue.size() + 1);
char* pBuffer = &bufferVector.front();
strcpy(pBuffer, pField->mValue.c_str());
char* pPtr = strtok(pBuffer, ",");
while (pPtr != NULL)
{
string sigName = StringUtilities::stripWhitespace(string(pPtr));
sigNames.push_back(sigName);
pPtr = strtok(NULL, ",");
}
}
}
if (sigNames.empty() == false)
{
pMetadata->setAttribute("Signature Names", sigNames);
}
}
// Signature units - Set custom units into the data descriptor so that the
// user can modify them even though units are not loaded from the file
FactoryResource<Units> pUnits;
pUnits->setUnitName("Custom");
pUnits->setUnitType(CUSTOM_UNIT);
pDescriptor->setUnits("Reflectance", pUnits.get());
// Wavelengths
EnviField* pSamplesField = mFields.find("samples");
if (pSamplesField != NULL)
{
unsigned int numWavelengths = StringUtilities::fromXmlString<unsigned int>(pSamplesField->mValue);
vector<double> wavelengths;
unsigned int uiNanometerValues = 0;
EnviField* pWavelengthField = mFields.find("wavelength");
if (pWavelengthField != NULL)
{
vector<unsigned int> goodBands;
EnviField* pBblField = mFields.find("bbl");
if (pBblField != NULL)
{
// Parse the bad bands list. This method puts the indices of good bands in ascending order.
EnviImporter::parseBbl(pBblField, goodBands);
// Sort in descending order so that the last one can be popped later
// A pop_back is much faster than an erase on the first element
reverse(goodBands.begin(), goodBands.end());
}
unsigned int numWavelengthsRead = 0;
for (std::vector<EnviField*>::const_iterator iter = pWavelengthField->mChildren.begin();
iter != pWavelengthField->mChildren.end();
++iter)
{
EnviField* pField = *iter;
if (pField != NULL)
{
vector<char> bufferVector(pField->mValue.size() + 1);
char* pBuffer = &(bufferVector.front());
strcpy(pBuffer, pField->mValue.c_str());
char* pPtr = strtok(pBuffer, ",");
while (pPtr != NULL)
{
double dWavelength = 0.0;
if (sscanf(pPtr, "%lf", &dWavelength) == 1)
{
if (dWavelength > 50.0) // Assumed to be in nanometers
{
uiNanometerValues++;
}
// Restrict the number of wavelengths to the number of samples in the header file
if (numWavelengthsRead < numWavelengths)
{
// Only write the wavelength if the value is valid
// Since the bands are in descending order,
// goodBands.back() always holds the next good band.
if (pBblField == NULL ||
(goodBands.empty() == false && goodBands.back() == numWavelengthsRead))
{
if (goodBands.empty() == false)
{
goodBands.pop_back();
}
wavelengths.push_back(dWavelength);
}
}
++numWavelengthsRead;
}
pPtr = strtok(NULL, ",");
}
}
}
VERIFYNR(goodBands.empty() == true);
}
// Wavelength units
bool bConvertWavelengths = false;
bool bDetermineUnits = true;
EnviField* pUnitsField = mFields.find("wavelength units");
if (pUnitsField != NULL)
{
if (pUnitsField->mValue == "Micrometers")
{
bDetermineUnits = false;
}
else if (pUnitsField->mValue == "Nanometers")
{
bDetermineUnits = false;
bConvertWavelengths = true;
}
}
if (bDetermineUnits)
{
if ((uiNanometerValues * 100) / wavelengths.size() > 50)
{
bConvertWavelengths = true;
}
}
if (bConvertWavelengths == true)
{
for (vector<double>::size_type i = 0; i < wavelengths.size(); i++)
{
wavelengths[i] *= 0.001;
}
}
string pCenterPath[] = { SPECIAL_METADATA_NAME, BAND_METADATA_NAME,
CENTER_WAVELENGTHS_METADATA_NAME, END_METADATA_NAME };
pMetadata->setAttributeByPath(pCenterPath, wavelengths);
}
if (pMetadata->getNumAttributes() > 0)
{
pDescriptor->setMetadata(pMetadata.get());
}
// Create the file descriptor
FactoryResource<SignatureFileDescriptor> pFileDescriptor;
if (pFileDescriptor.get() != NULL)
{
pFileDescriptor->setFilename(dataFile);
pDescriptor->setFileDescriptor(pFileDescriptor.get());
}
}
descriptors.push_back(pImportDescriptor);
}
}
}
}
return descriptors;
}
vector<ImportDescriptor*> SampleHdf4Importer::getImportDescriptors(const string& filename)
{
vector<ImportDescriptor*> descriptors;
Hdf4File parsedFile(filename);
bool bSuccess = getFileData(parsedFile);
if (bSuccess == true)
{
const Hdf4Dataset* pDataset =
dynamic_cast<const Hdf4Dataset*>(parsedFile.getRootGroup()->getElement("EV_500_RefSB"));
if ((pDataset != NULL) && (mpModel.get() != NULL))
{
Hdf4FileResource pFile(filename.c_str());
if (pFile.get() != NULL)
{
ImportDescriptor* pImportDescriptor = mpModel->createImportDescriptor(filename, "RasterElement", NULL);
if (pImportDescriptor != NULL)
{
RasterDataDescriptor* pDescriptor =
dynamic_cast<RasterDataDescriptor*>(pImportDescriptor->getDataDescriptor());
if (pDescriptor != NULL)
{
FactoryResource<RasterFileDescriptor> pFileDescriptor;
if (pFileDescriptor.get() != NULL)
{
int32 numDims = 0;
int32 dataType = 0;
int32 numAttr = 0;
pFileDescriptor->setFilename(filename);
Hdf4DatasetResource pDataHandle(*pFile, pDataset->getName().c_str());
int32 dimSizes[MAX_VAR_DIMS] = {0};
if (pDataHandle != NULL && *pDataHandle != FAIL)
{
pFileDescriptor->setDatasetLocation(pDataset->getName());
int32 success = SDgetinfo(*pDataHandle, const_cast<char*>(pDataset->getName().c_str()),
&numDims, dimSizes, &dataType, &numAttr);
// find out what type this Dataset is
string strDataType = hdf4TypeToString(dataType, 1);
if (success == SUCCEED && numDims == 3 && strDataType == "unsigned short")
{
// Bands
vector<DimensionDescriptor> bands =
RasterUtilities::generateDimensionVector(dimSizes[0], true, false, true);
pDescriptor->setBands(bands);
pFileDescriptor->setBands(bands);
// Rows
vector<DimensionDescriptor> rows =
RasterUtilities::generateDimensionVector(dimSizes[1], true, false, true);
pDescriptor->setRows(rows);
pFileDescriptor->setRows(rows);
// Columns
vector<DimensionDescriptor> columns =
RasterUtilities::generateDimensionVector(dimSizes[2], true, false, true);
pDescriptor->setColumns(columns);
pFileDescriptor->setColumns(columns);
}
}
// Data type
EncodingType e;
pDataset->getDataEncoding(e);
pDescriptor->setDataType(e);
pFileDescriptor->setBitsPerElement(pDescriptor->getBytesPerElement() * 8);
// Interleave format
pDescriptor->setInterleaveFormat(BSQ);
pFileDescriptor->setInterleaveFormat(BSQ);
// Metadata
FactoryResource<DynamicObject> pMetadata;
if (pMetadata.get() != NULL)
{
const Hdf4Dataset::AttributeContainer& attributes = pDataset->getAttributes();
for (Hdf4Dataset::AttributeContainer::const_iterator it = attributes.begin();
it != attributes.end(); ++it)
{
Hdf4Attribute* pAttribute = it->second;
if (pAttribute != NULL)
{
const string& name = pAttribute->getName();
const DataVariant& var = pAttribute->getVariant();
const unsigned short* pValue = var.getPointerToValue<unsigned short>();
if (name == "_FillValue" && pValue != NULL)
{
// Bad values
vector<int> badValues;
badValues.push_back(*pValue);
pDescriptor->setBadValues(badValues);
}
else
{
pMetadata->setAttribute(name, var);
}
}
}
pDescriptor->setMetadata(pMetadata.get());
}
pDescriptor->setFileDescriptor(pFileDescriptor.get());
}
}
descriptors.push_back(pImportDescriptor);
}
}
}
}
return descriptors;
}
vector<ImportDescriptor*> EnviImporter::getImportDescriptors(const string& filename)
{
string headerFile = filename;
string dataFile;
bool bSuccess = parseHeader(headerFile);
if (bSuccess == false)
{
dataFile = filename; // was passed data file name instead of header file name
headerFile = findHeaderFile(headerFile);
if (headerFile.empty() == false)
{
bSuccess = parseHeader(headerFile);
}
}
EnviField* pField = NULL;
vector<ImportDescriptor*> descriptors;
if (bSuccess == true)
{
if (dataFile.empty() == true) // was passed header file name and now need to find the data file name
{
dataFile = findDataFile(headerFile);
}
if (dataFile.empty() == false)
{
ImportDescriptor* pImportDescriptor = mpModel->createImportDescriptor(dataFile, "RasterElement", NULL);
if (pImportDescriptor != NULL)
{
RasterDataDescriptor* pDescriptor =
dynamic_cast<RasterDataDescriptor*>(pImportDescriptor->getDataDescriptor());
if (pDescriptor != NULL)
{
FactoryResource<RasterFileDescriptor> pFileDescriptor;
if (pFileDescriptor.get() != NULL)
{
// Filename
pFileDescriptor->setFilename(dataFile);
// Coordinate offset
int columnOffset = 0;
int rowOffset = 0;
pField = mFields.find("x start");
if (pField != NULL)
{
// ENVI numbers are 1 based vs Opticks being 0 based
columnOffset = atoi(pField->mValue.c_str()) - 1;
}
pField = mFields.find("y start");
if (pField != NULL)
{
rowOffset = atoi(pField->mValue.c_str()) - 1; // ENVI numbers are 1 based vs Opticks being 0 based
}
// Rows
vector<DimensionDescriptor> rows;
pField = mFields.find("lines");
if (pField != NULL)
{
int numRows = atoi(pField->mValue.c_str());
for (int i = 0; i < numRows; ++i)
{
DimensionDescriptor rowDim;
rowDim.setOriginalNumber(static_cast<unsigned int>(rowOffset + i));
rowDim.setOnDiskNumber(static_cast<unsigned int>(i));
rows.push_back(rowDim);
}
pDescriptor->setRows(rows);
pFileDescriptor->setRows(rows);
}
string samplesStr = "samples";
string bandsStr = "bands";
// Special case: if the file type is an ENVI Spectral Library, then swap samples with bands
// If no file type field exists, assume this is a normal ENVI header (not a Spectral Library)
EnviField* pFileTypeField = mFields.find("file type");
if (pFileTypeField != NULL && (pFileTypeField->mValue ==
"ENVI Spectral Library" || pFileTypeField->mValue == "Spectral Library"))
{
samplesStr = "bands";
bandsStr = "samples";
// Since bands and samples are swapped, force the interleave to BIP
pField = mFields.find("interleave");
if (pField != NULL)
{
pField->mValue = "bip";
}
}
// Columns
vector<DimensionDescriptor> columns;
pField = mFields.find(samplesStr);
if (pField != NULL)
{
int numColumns = atoi(pField->mValue.c_str());
for (int i = 0; i < numColumns; ++i)
{
DimensionDescriptor columnDim;
columnDim.setOriginalNumber(static_cast<unsigned int>(columnOffset + i));
columnDim.setOnDiskNumber(static_cast<unsigned int>(i));
columns.push_back(columnDim);
}
pDescriptor->setColumns(columns);
pFileDescriptor->setColumns(columns);
}
// Bands
vector<DimensionDescriptor> bands;
pField = mFields.find(bandsStr);
if (pField != NULL)
{
int numBands = atoi(pField->mValue.c_str());
bands = RasterUtilities::generateDimensionVector(numBands, true, false, true);
pDescriptor->setBands(bands);
pFileDescriptor->setBands(bands);
}
// Description
list<GcpPoint> gcps;
pField = mFields.find("description");
if (pField != NULL)
{
// Metadata
if (pField->mChildren.empty() == false)
{
FactoryResource<DynamicObject> pMetadata;
for (unsigned int i = 0; i < pField->mChildren.size(); ++i)
{
EnviField* pChild = pField->mChildren[i];
if (pChild != NULL)
{
if (pChild->mTag == "classification")
{
// Classification
FactoryResource<Classification> pClassification;
if (pClassification.get() != NULL)
{
string classLevel;
classLevel.append(1, *(pChild->mValue.data()));
pClassification->setLevel(classLevel);
pDescriptor->setClassification(pClassification.get());
}
}
else if ((pChild->mTag == "ll") || (pChild->mTag == "lr") || (pChild->mTag == "ul") ||
(pChild->mTag == "ur") || (pChild->mTag == "center"))
{
GcpPoint gcp;
bool dmsFormat = false;
char ns;
char ew;
sscanf(pChild->mValue.c_str(), "%lg%c %lg%c", &gcp.mCoordinate.mY, &ew,
&gcp.mCoordinate.mX, &ns);
if (fabs(gcp.mCoordinate.mY) > 180.0 || fabs(gcp.mCoordinate.mX) > 90.0)
{
dmsFormat = true;
}
double deg;
double min;
double sec;
if (dmsFormat == true)
{
deg = static_cast<int>(gcp.mCoordinate.mY / 10000.0);
min = static_cast<int>((gcp.mCoordinate.mY - 10000.0 * deg) / 100.0);
sec = gcp.mCoordinate.mY - 10000.0 * deg - 100.0 * min;
gcp.mCoordinate.mY = deg + (min / 60.0) + (sec / 3600.0);
}
if (ew == 'W' || ew == 'w')
{
gcp.mCoordinate.mY = -gcp.mCoordinate.mY;
}
if (dmsFormat)
{
deg = static_cast<int>(gcp.mCoordinate.mX / 10000.0);
min = static_cast<int>((gcp.mCoordinate.mX - 10000.0 * deg) / 100.0);
sec = gcp.mCoordinate.mX - 10000.0 * deg - 100.0 * min;
gcp.mCoordinate.mX = deg + (min / 60.0) + (sec / 3600.0);
}
if (ns == 'S' || ns == 's')
{
gcp.mCoordinate.mX = -gcp.mCoordinate.mX;
}
// ENVI uses a 1-based pixel coordinate system, with each coordinate referring
// to the top-left corner of the pixel, e.g. (1,1) is the top-left
// corner of the pixel in the top-left of the raster cube
// The ENVI pixel coordinate format is described on p. 1126 of the ENVI 4.2 User's Guide
if (pChild->mTag == "ll")
{
gcp.mPixel.mX = 0.0;
gcp.mPixel.mY = 0.0;
}
else if (pChild->mTag == "lr")
{
gcp.mPixel.mX = columns.size() - 1.0;
gcp.mPixel.mY = 0.0;
}
else if (pChild->mTag == "ul")
{
gcp.mPixel.mX = 0.0;
gcp.mPixel.mY = rows.size() - 1.0;
}
else if (pChild->mTag == "ur")
{
gcp.mPixel.mX = columns.size() - 1.0;
gcp.mPixel.mY = rows.size() - 1.0;
}
else if (pChild->mTag == "center")
{
gcp.mPixel.mX = floor((columns.size() - 1.0) / 2.0);
gcp.mPixel.mY = floor((rows.size() - 1.0) / 2.0);
}
gcps.push_back(gcp);
}
else if (pChild->mTag.empty() == false)
{
pMetadata->setAttribute(pChild->mTag, pChild->mValue);
}
}
}
if (pMetadata->getNumAttributes() > 0)
{
pDescriptor->setMetadata(pMetadata.get());
}
}
}
if (gcps.empty()) // not in description, check for geo points keyword
{
pField = mFields.find("geo points");
if (pField != NULL)
{
vector<double> geoValues;
const int expectedNumValues = 16; // 4 values for each of the 4 corners
geoValues.reserve(expectedNumValues);
for (unsigned int i = 0; i < pField->mChildren.size(); i++)
{
vectorFromField(pField->mChildren.at(i), geoValues, "%lf");
}
if (geoValues.size() == expectedNumValues)
{
vector<double>::iterator iter = geoValues.begin();
GcpPoint gcp;
while (iter != geoValues.end())
{
gcp.mPixel.mX = *iter++ - 1.0; // adjust ref point for ENVI's use of
gcp.mPixel.mY = *iter++ - 1.0; // upper left corner and one-based first pixel
gcp.mCoordinate.mX = *iter++; // GcpPoint has lat as mX and Lon as mY
gcp.mCoordinate.mY = *iter++; // geo point field has lat then lon value
gcps.push_back(gcp);
}
}
}
}
// GCPs
if (gcps.empty() == false)
{
pFileDescriptor->setGcps(gcps);
}
// Header bytes
pField = mFields.find("header offset");
if (pField != NULL)
{
int headerBytes = atoi(pField->mValue.c_str());
pFileDescriptor->setHeaderBytes(static_cast<unsigned int>(headerBytes));
}
// Data type
pField = mFields.find("data type");
if (pField != NULL)
{
vector<EncodingType> validDataTypes;
switch (atoi(pField->mValue.c_str()))
{
case 1: // char
pDescriptor->setDataType(INT1UBYTE);
pFileDescriptor->setBitsPerElement(8);
// signed char cannot be represented in ENVI header so use the closest thing
validDataTypes.push_back(INT1SBYTE);
break;
case 2: // short
pDescriptor->setDataType(INT2SBYTES);
pFileDescriptor->setBitsPerElement(16);
break;
case 3: // int
pDescriptor->setDataType(INT4SBYTES);
pFileDescriptor->setBitsPerElement(32);
break;
case 4: // float
pDescriptor->setDataType(FLT4BYTES);
pFileDescriptor->setBitsPerElement(32);
break;
case 5: // double
pDescriptor->setDataType(FLT8BYTES);
pFileDescriptor->setBitsPerElement(64);
break;
case 6: // float complex
pDescriptor->setDataType(FLT8COMPLEX);
pFileDescriptor->setBitsPerElement(64);
break;
case 9: // double complex
// not supported
break;
case 12: // unsigned short
pDescriptor->setDataType(INT2UBYTES);
pFileDescriptor->setBitsPerElement(16);
break;
case 13: // unsigned int
pDescriptor->setDataType(INT4UBYTES);
pFileDescriptor->setBitsPerElement(32);
break;
case 14: // 64-bit int
case 15: // unsigned 64-bit int
// not supported
break;
case 99: // integer complex (recognized only by this application)
pDescriptor->setDataType(INT4SCOMPLEX);
pFileDescriptor->setBitsPerElement(32);
break;
default:
break;
}
// Bad values
EncodingType dataType = pDescriptor->getDataType();
if ((dataType != FLT4BYTES) && (dataType != FLT8COMPLEX) && (dataType != FLT8BYTES))
{
vector<int> badValues;
badValues.push_back(0);
pDescriptor->setBadValues(badValues);
}
validDataTypes.push_back(dataType);
pDescriptor->setValidDataTypes(validDataTypes);
}
// Interleave format
pField = mFields.find("interleave");
if (pField != NULL)
{
string interleave = StringUtilities::toLower(pField->mValue);
if (interleave == "bip")
{
pDescriptor->setInterleaveFormat(BIP);
pFileDescriptor->setInterleaveFormat(BIP);
}
else if (interleave == "bil")
{
pDescriptor->setInterleaveFormat(BIL);
pFileDescriptor->setInterleaveFormat(BIL);
}
else if (interleave == "bsq")
{
pDescriptor->setInterleaveFormat(BSQ);
pFileDescriptor->setInterleaveFormat(BSQ);
}
}
// Endian
pField = mFields.find("byte order");
if (pField != NULL)
{
int byteOrder = atoi(pField->mValue.c_str());
if (byteOrder == 0)
{
pFileDescriptor->setEndian(LITTLE_ENDIAN_ORDER);
}
else if (byteOrder == 1)
{
pFileDescriptor->setEndian(BIG_ENDIAN_ORDER);
}
}
// check for scaling factor
pField = mFields.find("reflectance scale factor");
if (pField != NULL)
{
double scalingFactor = 0.0;
stringstream scaleStream(pField->mValue);
scaleStream >> scalingFactor;
if (!scaleStream.fail() && scalingFactor != 0.0)
{
Units* pUnits = pDescriptor->getUnits();
if (pUnits != NULL)
{
pUnits->setScaleFromStandard(1.0 / scalingFactor);
pUnits->setUnitName("Reflectance");
pUnits->setUnitType(REFLECTANCE);
}
}
}
// Pixel size
pField = mFields.find("pixel size");
if (pField != NULL)
{
if (pField->mChildren.size() == 2)
{
pField = pField->mChildren[0];
if (pField != NULL)
{
double pixelSize = 1.0;
if (sscanf(pField->mValue.c_str(), "%g", &pixelSize) == 1)
{
pDescriptor->setXPixelSize(pixelSize);
pFileDescriptor->setXPixelSize(pixelSize);
}
}
pField = pField->mChildren[1];
if (pField != NULL)
{
double pixelSize = 1.0;
if (sscanf(pField->mValue.c_str(), "%g", &pixelSize) == 1)
{
pDescriptor->setYPixelSize(pixelSize);
pFileDescriptor->setYPixelSize(pixelSize);
}
}
}
}
// Default bands
pField = mFields.find("default bands");
if (pField != NULL)
{
vector<unsigned int> displayBands;
parseDefaultBands(pField, &displayBands);
if (displayBands.size() == 1)
{
DimensionDescriptor grayBand = pFileDescriptor->getOriginalBand(displayBands[0]);
pDescriptor->setDisplayBand(GRAY, grayBand);
pDescriptor->setDisplayMode(GRAYSCALE_MODE);
}
else if (displayBands.size() == 3)
{
DimensionDescriptor redBand = pFileDescriptor->getOriginalBand(displayBands[0]);
DimensionDescriptor greenBand = pFileDescriptor->getOriginalBand(displayBands[1]);
DimensionDescriptor blueBand = pFileDescriptor->getOriginalBand(displayBands[2]);
pDescriptor->setDisplayBand(RED, redBand);
pDescriptor->setDisplayBand(GREEN, greenBand);
pDescriptor->setDisplayBand(BLUE, blueBand);
pDescriptor->setDisplayMode(RGB_MODE);
}
}
// Bad bands
pField = mFields.find("bbl");
if (pField != NULL)
{
vector<unsigned int> validBands;
parseBbl(pField, validBands);
vector<DimensionDescriptor> bandsToLoad;
for (vector<unsigned int>::const_iterator iter = validBands.begin();
iter != validBands.end();
++iter)
{
const unsigned int onDiskNumber = *iter;
const DimensionDescriptor dim = pFileDescriptor->getOnDiskBand(onDiskNumber);
if (dim.isValid())
{
bandsToLoad.push_back(dim);
}
}
pDescriptor->setBands(bandsToLoad);
}
DynamicObject* pMetadata = pDescriptor->getMetadata();
// Band names
pField = mFields.find("band names");
if (pField != NULL)
{
vector<string> bandNames;
bandNames.reserve(bands.size());
vector<string> strNames;
for (vector<EnviField*>::size_type i = 0; i < pField->mChildren.size(); ++i)
{
strNames = StringUtilities::split(pField->mChildren[i]->mValue, ',');
copy(strNames.begin(), strNames.end(), back_inserter(bandNames));
}
vector<string>::iterator it;
for (it = bandNames.begin(); it != bandNames.end(); ++it)
{
*it = StringUtilities::stripWhitespace(*it);
}
if (pMetadata != NULL)
{
string pNamesPath[] = { SPECIAL_METADATA_NAME, BAND_METADATA_NAME,
NAMES_METADATA_NAME, END_METADATA_NAME };
pMetadata->setAttributeByPath(pNamesPath, bandNames);
}
}
// wavelength units
pField = mFields.find("wavelength units");
if (pField != NULL)
{
mWavelengthUnits = strToType(pField->mValue);
}
// Wavelengths
vector<double> centerWavelengths;
pField = mFields.find("wavelength");
if (pField != NULL)
{
if ((parseWavelengths(pField, ¢erWavelengths) == true) && (pMetadata != NULL))
{
string pCenterPath[] = { SPECIAL_METADATA_NAME, BAND_METADATA_NAME,
CENTER_WAVELENGTHS_METADATA_NAME, END_METADATA_NAME };
pMetadata->setAttributeByPath(pCenterPath, centerWavelengths);
}
}
// FWHM
pField = mFields.find("fwhm");
if (pField != NULL)
{
vector<double> startWavelengths;
vector<double> endWavelengths;
if ((parseFwhm(pField, &startWavelengths, ¢erWavelengths, &endWavelengths) == true) &&
(pMetadata != NULL))
{
string pStartPath[] = { SPECIAL_METADATA_NAME, BAND_METADATA_NAME,
START_WAVELENGTHS_METADATA_NAME, END_METADATA_NAME };
pMetadata->setAttributeByPath(pStartPath, startWavelengths);
string pEndPath[] = { SPECIAL_METADATA_NAME, BAND_METADATA_NAME,
END_WAVELENGTHS_METADATA_NAME, END_METADATA_NAME };
pMetadata->setAttributeByPath(pEndPath, endWavelengths);
}
}
// File descriptor
pDescriptor->setFileDescriptor(pFileDescriptor.get());
}
vector<ImportDescriptor*> SignatureImporter::getImportDescriptors(const string& filename)
{
vector<ImportDescriptor*> descriptors;
if (filename.empty())
{
return descriptors;
}
LargeFileResource pSigFile;
if (!pSigFile.open(filename, O_RDONLY | O_BINARY, S_IREAD))
{
return descriptors;
}
// load the data
FactoryResource<DynamicObject> pMetadata;
VERIFYRV(pMetadata.get() != NULL, descriptors);
bool readError = false;
string line;
string unitName("Reflectance");
UnitType unitType(REFLECTANCE);
double unitScale(1.0);
// parse the metadata
for (line = pSigFile.readLine(&readError);
(readError == false) && (line.find('=') != string::npos);
line = pSigFile.readLine(&readError))
{
vector<string> metadataEntry;
trim(line);
split(metadataEntry, line, is_any_of("="));
if (metadataEntry.size() == 2)
{
string key = metadataEntry[0];
string value = metadataEntry[1];
trim(key);
trim(value);
if (ends_with(key, "Bands") || key == "Pixels")
{
pMetadata->setAttribute(key, StringUtilities::fromXmlString<unsigned long>(value));
}
else if (key == "UnitName")
{
unitName = value;
}
else if (key == "UnitType")
{
unitType = StringUtilities::fromXmlString<UnitType>(value);
}
else if (key == "UnitScale")
{
unitScale = StringUtilities::fromXmlString<double>(value);
}
else
{
pMetadata->setAttribute(key, value);
}
}
}
if ((readError == true) && (pSigFile.eof() != 1))
{
return descriptors;
}
// Verify that the next line contains float float pairs
vector<string> dataEntry;
trim(line);
split(dataEntry, line, is_space());
if (dataEntry.size() != 2)
{
return descriptors;
}
bool error = false;
StringUtilities::fromXmlString<float>(dataEntry[0], &error);
!error && StringUtilities::fromXmlString<float>(dataEntry[1], &error);
if (error)
{
return descriptors;
}
string datasetName = dv_cast<string>(pMetadata->getAttribute("Name"), filename);
ImportDescriptorResource pImportDescriptor(datasetName, "Signature");
VERIFYRV(pImportDescriptor.get() != NULL, descriptors);
SignatureDataDescriptor* pDataDescriptor =
dynamic_cast<SignatureDataDescriptor*>(pImportDescriptor->getDataDescriptor());
VERIFYRV(pDataDescriptor != NULL, descriptors);
FactoryResource<SignatureFileDescriptor> pFileDescriptor;
VERIFYRV(pFileDescriptor.get() != NULL, descriptors);
pFileDescriptor->setFilename(filename);
FactoryResource<Units> pReflectanceUnits;
VERIFYRV(pReflectanceUnits.get() != NULL, descriptors);
pReflectanceUnits->setUnitName(unitName);
pReflectanceUnits->setUnitType(unitType);
if (unitScale != 0.0)
{
pReflectanceUnits->setScaleFromStandard(1.0 / unitScale);
}
pDataDescriptor->setUnits("Reflectance", pReflectanceUnits.get());
pFileDescriptor->setUnits("Reflectance", pReflectanceUnits.get());
pDataDescriptor->setFileDescriptor(pFileDescriptor.get());
pDataDescriptor->setMetadata(pMetadata.get());
descriptors.push_back(pImportDescriptor.release());
return descriptors;
}
