void MetadataReader::read()
{
//
// dump the file header
//
::nitf::FileHeader header = m_record.getHeader();
::nitf::FileSecurity security = header.getSecurityGroup();
doFileHeader("FH", header);
doSecurity("FH", "F", security);
::nitf::Extensions ext = header.getExtendedSection();
doExtensions("FH", ext);
::nitf::ListIterator iter;
::nitf::Uint32 num;
::nitf::Uint32 i;
//
// dump the image info, for each image
//
iter = m_record.getImages().begin();
num = m_record.getNumImages();
for (i=0; i<num; i++)
{
const std::string key = "IM:" + std::to_string(i);
::nitf::ImageSegment segment = *iter;
::nitf::ImageSubheader header = segment.getSubheader();
doImageSubheader(key, header);
::nitf::Extensions ext = header.getExtendedSection();
doExtensions(key, ext);
::nitf::Extensions ext2 = header.getUserDefinedSection();
doExtensions(key, ext2);
}
//
// dump the DE info, for each DE
//
iter = m_record.getDataExtensions().begin();
num = m_record.getNumDataExtensions();
for (i=0; i<num; i++)
{
const std::string key = "DE:" + std::to_string(i);
::nitf::DESegment segment = *iter;
::nitf::DESubheader header = segment.getSubheader();
::nitf::FileSecurity security = header.getSecurityGroup();
doDESubheader(key, header);
::nitf::Extensions ext = header.getUserDefinedSection();
doExtensions(key, ext);
}
return;
}
void MetadataReader::doDESubheader(const std::string& key,
::nitf::DESubheader& subheader)
{
writeField(key, "DESID", subheader.getTypeID());
writeField(key, "DESVER", subheader.getVersion());
writeField(key, "DECLAS", subheader.getSecurityClass());
::nitf::FileSecurity security = subheader.getSecurityGroup();
doSecurity(key, "DE", security);
// this is not an internal field, not interesting to users
//writeField(key, "DESSHL", subheader.getDataLength());
}
void MetadataReader::doImageSubheader(const std::string& key,
::nitf::ImageSubheader& subheader)
{
writeField(key, "IID1", subheader.getImageId());
writeField(key, "IDATIM", subheader.getImageDateAndTime());
writeField(key, "TGTID", subheader.getTargetId());
writeField(key, "IID2", subheader.getImageTitle());
writeField(key, "ISCLAS", subheader.getImageSecurityClass());
::nitf::FileSecurity security = subheader.getSecurityGroup();
doSecurity(key, "I", security);
writeField(key, "ENCRYP", subheader.getEncrypted());
writeField(key, "ISORCE", subheader.getImageSource());
writeField(key, "NROWS", subheader.getNumRows());
writeField(key, "NCOLS", subheader.getNumCols());
writeField(key, "PVTYPE", subheader.getPixelValueType());
writeField(key, "IREP", subheader.getImageRepresentation());
writeField(key, "ICAT", subheader.getImageCategory());
writeField(key, "ABPP", subheader.getActualBitsPerPixel());
writeField(key, "PJUST", subheader.getPixelJustification());
writeField(key, "ICORDS", subheader.getImageCoordinateSystem());
writeField(key, "IGEOLO", subheader.getCornerCoordinates());
writeField(key, "NICOM", subheader.getNumImageComments());
::nitf::List list = subheader.getImageComments();
doComments(key, list);
writeField(key, "IC", subheader.getImageCompression());
writeField(key, "COMRAT", subheader.getCompressionRate());
writeField(key, "NBANDS", subheader.getNumImageBands());
writeField(key, "XBANDS", subheader.getNumMultispectralImageBands());
doBands(key, subheader);
writeField(key, "ISYNC", subheader.getImageSyncCode());
writeField(key, "IMODE", subheader.getImageMode());
writeField(key, "NBPR", subheader.getNumBlocksPerRow());
writeField(key, "NBPC", subheader.getNumBlocksPerCol());
writeField(key, "NPPBH", subheader.getNumPixelsPerHorizBlock());
writeField(key, "NPPVB", subheader.getNumPixelsPerVertBlock());
writeField(key, "NBPP", subheader.getNumBitsPerPixel());
writeField(key, "IDLVL", subheader.getImageDisplayLevel());
writeField(key, "IALVL", subheader.getImageAttachmentLevel());
writeField(key, "ILOC", subheader.getImageLocation());
writeField(key, "IMAG", subheader.getImageMagnification());
}