unsigned char LandsatGeotiffImporter::getFileAffinity(const std::string& filename)
{
if (filename.empty())
{
return CAN_NOT_LOAD;
}
bool originallyTiff = false;
std::string metadataFile = determineMetadataFile(filename, &originallyTiff);
bool readMetadata = false;
FactoryResource<DynamicObject> pImageMetadata = Landsat::parseMtlFile(metadataFile, readMetadata);
if (!readMetadata)
{
return CAN_NOT_LOAD;
}
std::string spacecraft = dv_cast<std::string>(
pImageMetadata->getAttributeByPath("LANDSAT_MTL/L1_METADATA_FILE/PRODUCT_METADATA/SPACECRAFT_ID"), "");
if (spacecraft != "Landsat5" && spacecraft != "Landsat7")
{
return CAN_NOT_LOAD;
}
if (originallyTiff)
{
return CAN_LOAD + 5; //override normal tiff importers
}
return CAN_LOAD;
}
std::vector<ImportDescriptor*> LandsatGeotiffImporter::getImportDescriptors(const std::string& filename)
{
mErrors.clear();
mWarnings.clear();
std::vector<ImportDescriptor*> descriptors;
if (filename.empty())
{
return descriptors;
}
std::string metadataFile = determineMetadataFile(filename);
bool readMetadata = false;
FactoryResource<DynamicObject> pImageMetadata = Landsat::parseMtlFile(metadataFile, readMetadata);
if (!readMetadata)
{
return descriptors;
}
std::string spacecraft = dv_cast<std::string>(
pImageMetadata->getAttributeByPath("LANDSAT_MTL/L1_METADATA_FILE/PRODUCT_METADATA/SPACECRAFT_ID"), "");
if (spacecraft != "Landsat5" && spacecraft != "Landsat7")
{
return descriptors;
}
std::vector<ImportDescriptor*> vnirDescriptors = createImportDescriptors(metadataFile, pImageMetadata.get(),
Landsat::LANDSAT_VNIR);
std::vector<ImportDescriptor*> panDescriptors = createImportDescriptors(metadataFile, pImageMetadata.get(),
Landsat::LANDSAT_PAN);
std::vector<ImportDescriptor*> tirDescriptors = createImportDescriptors(metadataFile, pImageMetadata.get(),
Landsat::LANDSAT_TIR);
std::copy(vnirDescriptors.begin(), vnirDescriptors.end(), std::back_inserter(descriptors));
std::copy(panDescriptors.begin(), panDescriptors.end(), std::back_inserter(descriptors));
std::copy(tirDescriptors.begin(), tirDescriptors.end(), std::back_inserter(descriptors));
return descriptors;
}
