// "readHeader()": read nifti header information from file
nifti_1_header niftiManager::readHeader( const std::string& imageFilenameRef ) const
{
std::string imageFilenameZipped( imageFilenameRef );
std::string imageFilename( imageFilenameRef );
std::string extension( boost::filesystem::path(imageFilename).extension().string() );
if ( extension == ".gz" )
{
imageFilename.resize(imageFilename.size()-3);
// Variables for calling system commands
std::string sysCommand( "gzip -dcf " + imageFilenameZipped + " > " + imageFilename );
int success(system(sysCommand.c_str()));
}
else if ( extension == getFileExtension( ETFull ) )
{
}
else
{
std::cerr << "File \"" << imageFilenameZipped << "\" has no recognized extension (\"" << extension << "\") stopping." << std::endl;
exit(1);
}
nifti_image* niftiImage = NULL;
boost::mutex& ioMutex(boost::detail::thread::singleton<boost::mutex>::instance()) ;
ioMutex.lock();
{
niftiImage = nifti_image_read(imageFilename.c_str(), 0); // load_data = 0, only header and not image data is read
}
ioMutex.unlock();
if( !niftiImage )
{
std::stringstream errormessage;
errormessage << "ERROR @ niftiManager::readHeader(): there was an error calling nifti_image_read() on image file "<< imageFilename <<std::endl;
throw std::runtime_error( errormessage.str() );
}
if( niftiImage->ndim > 3 )
{
std::stringstream errormessage;
errormessage << "ERROR @ niftiManager::readHeader(): nifti file has more than 3 dimensions (" << niftiImage->ndim <<"): "<< niftiImage->nx <<" "<< niftiImage->ny <<" "<< niftiImage->nz <<" "<< niftiImage->nt <<" "<< niftiImage->nu <<" "<< niftiImage->nv <<std::endl;
throw std::runtime_error( errormessage.str() );
}
nifti_1_header header = nifti_convert_nim2nhdr( niftiImage );
// clean up
nifti_image_free( niftiImage );
if ( extension == ".gz" )
{
// Variables for calling system commands
std::string sysCommand( "rm -f " + imageFilename );
int success(system(sysCommand.c_str()));
}
return header;
}// end niftiManager::readHeader() -----------------------------------------------------------------
void ImageViewer::showImage()
{
QString imageFilename( "chained view from app 1" );
QStringList list;
list << imageFilename;
if ( chainingExampleInterface->isValid() ) {
chainingExampleInterface->showImage( imageFilename, list, "title from app1" );
} else {
qDebug() << "chainingExampleInterface not valid : " << chainingExampleInterface;
}
}
int main(int argc, char* argv[])
{
QApplication app(argc, argv);
const std::string outputFileName = "out_test.png";
QImage outputImage;
std::pair<std::string, std::string> imageFilename("../../data/pier/1.jpg", "../../data/pier/2.jpg");
std::pair<QImage, QImage> image;
if (!image.first.load(imageFilename.first.c_str()))
{
std::cerr << "[Error] Could not load image filr: " << imageFilename.first << std::endl;
return EXIT_FAILURE;
}
if (!image.second.load(imageFilename.second.c_str()))
{
std::cerr << "[Error] Could not load image filr: " << imageFilename.second << std::endl;
return EXIT_FAILURE;
}
DLT dlt;
dlt.addPoint(std::make_pair(Eigen::Vector2d(370.361, 198.972), Eigen::Vector2d(81.6814, 171.918)));
dlt.addPoint(std::make_pair(Eigen::Vector2d(378.627, 206.653), Eigen::Vector2d(89.9805, 179.755)));
dlt.addPoint(std::make_pair(Eigen::Vector2d(413.459, 214.739), Eigen::Vector2d(124.377, 188.050)));
dlt.addPoint(std::make_pair(Eigen::Vector2d(407.815, 209.960), Eigen::Vector2d(118.867, 183.199)));
Eigen::MatrixXd H = dlt.computeHomography();
//std::cout << "H = \n" << H << std::endl << std::endl;
projectImages(H, image, outputImage);
outputImage.save("test_out_H.png");
double sum_error = GaussNewton::getSumError(dlt.getPoints(), H);
std::cout << "\nDLT H sum_error: " << sum_error << std::endl << std::endl << std::endl;
std::vector<std::pair<Eigen::Vector2d, Eigen::Vector2d>> hp;
Points::projectPoints(dlt.getPoints(), hp, H);
//for (int i = 0; i < hp.size(); ++i)
//{
// std::cout << dlt.getPoints()[i].first.transpose() << " " << hp[i].first.transpose() << " "
// << dlt.getPoints()[i].second.transpose() << " " << hp[i].second.transpose() << std::endl;
//}
H(0, 2) += 0.1;
H(1, 2) += -0.1;
//std::cout << "\ndisturbed H = \n" << H << std::endl << std::endl;
sum_error = GaussNewton::getSumError(dlt.getPoints(), H);
std::cout << "\nH disturbed sum_error: " << sum_error << std::endl << std::endl << std::endl;
projectImages(H, image, outputImage);
outputImage.save("out_H_disturbed.png");
//return 0;
Points::projectPoints(dlt.getPoints(), hp, H);
//for (int i = 0; i < hp.size(); ++i)
//{
// std::cout << dlt.getPoints()[i].first.transpose() << " " << hp[i].first.transpose() << " "
// << dlt.getPoints()[i].second.transpose() << " " << hp[i].second.transpose() << std::endl;
//}
//projectImages(H, image, outputImage);
//outputImage.save("out_H_Jacobian.png");
//sum_error = getSumError(dlt.getPoints(), H);
//std::cout << "\Jacobian H sum_error: " << sum_error << std::endl;
//return 0;
const int maxIt = 1;
bool error_maximized = false;
//for (int it = 0; it < 3; ++it)
int it = 0;
while (it++ < maxIt && !error_maximized)
{
std::cout << "\n\n-------- begin loop ------ " << it - 1 << std::endl << std::endl;
Eigen::MatrixXd dH = GaussNewton::computeDeltaH(dlt.getPoints(), H);
H = H + dH;
std::cout << "H = \n" << H << std::endl << std::endl;
Points::projectPoints(dlt.getPoints(), hp, H);
double new_sum_error = GaussNewton::getSumError(dlt.getPoints(), hp);
if (sum_error > new_sum_error)
{
std::cout << std::fixed << "\n ** error minimized : " << sum_error << " -> " << new_sum_error << std::endl;
sum_error = new_sum_error;
}
else
{
std::cout << std::fixed << "\n ** error maximized : " << sum_error << " -> " << new_sum_error << std::endl;
error_maximized = true;
}
std::cout << "-------------- end loop ----------------------" << std::endl << std::endl;
//if (!error_maximized)
//{
// projectImages(H, image, outputImage);
// QString filename("out_H_" + QString::number(it) + ".png");
// outputImage.save(filename);
//}
}
//projectImages(H, image, outputImage);
////outputImage.save(outputFileName.c_str());
//outputImage.save("out_H.png");
//projectImages(HJ, image, outputImage);
////outputImage.save(outputFileName.c_str());
//outputImage.save("out_HJ.png");
//QImageWidget outputWidget;
//outputWidget.setImage(outputImage);
//outputWidget.show();
std::cout << "\n************** // ********************\n";
return 0;
//return app.exec();
}
int QTweetStatusUpdateWithMedia::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QTweetNetBase::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
if (_id < 2)
qt_static_metacall(this, _c, _id, _a);
_id -= 2;
} else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {
if (_id < 2)
*reinterpret_cast<int*>(_a[0]) = -1;
_id -= 2;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< QString*>(_v) = status(); break;
case 1: *reinterpret_cast< QString*>(_v) = imageFilename(); break;
case 2: *reinterpret_cast< bool*>(_v) = isSensitive(); break;
case 3: *reinterpret_cast< qint64*>(_v) = inReplyToStatusID(); break;
case 4: *reinterpret_cast< double*>(_v) = latitude(); break;
case 5: *reinterpret_cast< double*>(_v) = longitude(); break;
case 6: *reinterpret_cast< QString*>(_v) = placeID(); break;
case 7: *reinterpret_cast< bool*>(_v) = displayCoordinates(); break;
}
_id -= 8;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setStatus(*reinterpret_cast< QString*>(_v)); break;
case 1: setImageFilename(*reinterpret_cast< QString*>(_v)); break;
case 2: setSensitive(*reinterpret_cast< bool*>(_v)); break;
case 3: setReplyToStatusID(*reinterpret_cast< qint64*>(_v)); break;
case 4: setLatitude(*reinterpret_cast< double*>(_v)); break;
case 5: setLongitude(*reinterpret_cast< double*>(_v)); break;
case 6: setPlaceID(*reinterpret_cast< QString*>(_v)); break;
case 7: setDisplayCoordinates(*reinterpret_cast< bool*>(_v)); break;
}
_id -= 8;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 8;
} else if (_c == QMetaObject::RegisterPropertyMetaType) {
if (_id < 8)
*reinterpret_cast<int*>(_a[0]) = -1;
_id -= 8;
}
#endif // QT_NO_PROPERTIES
return _id;
}
bool K3bCueFileParser::findImageFileName( const QString& dataFile )
{
//
// CDRDAO does not use this image filename but replaces the extension from the cue file
// with "bin" to get the image filename, we should take this into account
//
m_imageFilenameInCue = true;
// first try filename as a hole (absolut)
if( QFile::exists( dataFile ) ) {
setImageFilename( QFileInfo(dataFile).absFilePath() );
return true;
}
// try the filename in the cue's directory
if( QFileInfo( K3b::parentDir(filename()) + dataFile.section( '/', -1 ) ).isFile() ) {
setImageFilename( K3b::parentDir(filename()) + dataFile.section( '/', -1 ) );
kdDebug() << "(K3bCueFileParser) found image file: " << imageFilename() << endl;
return true;
}
// try the filename ignoring case
if( QFileInfo( K3b::parentDir(filename()) + dataFile.section( '/', -1 ).lower() ).isFile() ) {
setImageFilename( K3b::parentDir(filename()) + dataFile.section( '/', -1 ).lower() );
kdDebug() << "(K3bCueFileParser) found image file: " << imageFilename() << endl;
return true;
}
m_imageFilenameInCue = false;
// try removing the ending from the cue file (image.bin.cue and image.bin)
if( QFileInfo( filename().left( filename().length()-4 ) ).isFile() ) {
setImageFilename( filename().left( filename().length()-4 ) );
kdDebug() << "(K3bCueFileParser) found image file: " << imageFilename() << endl;
return true;
}
//
// we did not find the image specified in the cue.
// Search for another one having the same filename as the cue but a different extension
//
QDir parentDir( K3b::parentDir(filename()) );
QString filenamePrefix = filename().section( '/', -1 );
filenamePrefix.truncate( filenamePrefix.length() - 3 ); // remove cue extension
kdDebug() << "(K3bCueFileParser) checking folder " << parentDir.path() << " for files: " << filenamePrefix << "*" << endl;
//
// we cannot use the nameFilter in QDir because of the spaces that may occur in filenames
//
QStringList possibleImageFiles = parentDir.entryList( QDir::Files );
int cnt = 0;
for( QStringList::const_iterator it = possibleImageFiles.constBegin(); it != possibleImageFiles.constEnd(); ++it ) {
if( (*it).lower() == dataFile.section( '/', -1 ).lower() ||
(*it).startsWith( filenamePrefix ) && !(*it).endsWith( "cue" ) ) {
++cnt;
setImageFilename( K3b::parentDir(filename()) + *it );
}
}
//
// we only do this if there is one unique file which fits the requirements.
// Otherwise we cannot be certain to have the right file.
//
return ( cnt == 1 && QFileInfo( imageFilename() ).isFile() );
}
// "readImage()": reads a 3D image
ValueType niftiManager::readImage( const std::string& imageFilenameRef, std::vector<std::vector<std::vector<float> > >* imagePointer ) const
{
std::vector<std::vector<std::vector<float> > >& image( *imagePointer );
std::string imageFilename( imageFilenameRef );
std::string imageFilenameZipped( imageFilenameRef );
std::string extension( boost::filesystem::path(imageFilename).extension().string() );
if ( extension == ".gz" )
{
imageFilename.resize(imageFilename.size()-3);
// Variables for calling system commands
std::string sysCommand( "gzip -dcf " + imageFilenameZipped + " > " + imageFilename );
int success(system(sysCommand.c_str()));
}
else if ( extension == getFileExtension( ETFull ) )
{
}
else
{
std::cerr << "File \"" << imageFilenameZipped << "\" has no recognized extension (\"" << extension << "\") stopping." << std::endl;
return VTError;
}
nifti_image* niftiImage = NULL;
boost::mutex& ioMutex(boost::detail::thread::singleton<boost::mutex>::instance()) ;
ioMutex.lock();
{
niftiImage = nifti_image_read(imageFilename.c_str(), 1);
}
ioMutex.unlock();
if( !niftiImage )
{
std::cerr<< "ERROR @ niftiManager::readImage(): there was an error calling nifti_image_read() on image file "<< imageFilename <<std::endl;
return VTError;
}
if( niftiImage->ndim > 3 )
{
std::cerr << "ERROR @ niftiManager::readImage(): nifti file has more than 3 dimensions (" << niftiImage->ndim <<"): "<< niftiImage->nx <<" "<< niftiImage->ny <<" "<< niftiImage->nz <<" "<< niftiImage->nt <<" "<< niftiImage->nu <<" "<< niftiImage->nv <<std::endl;
return VTError;
}
const size_t repType( niftiImage->datatype );
const size_t repByteSize( niftiImage->nbyper );
const size_t dataSize( niftiImage->nvox );
ValueType imageValueType;
if(repType == DT_UINT8 )
{
imageValueType = VTUINT8;
}
else if(repType == DT_FLOAT32 )
{
imageValueType = VTFloat32;
}
else
{
std::cerr<< "ERROR @ niftiManager::readImage(): image representation type not recognized (neither UINT8 nor FLOAT32)" << std::endl;
return VTError;
}
const size_t dimx( niftiImage->nx );
const size_t dimy( niftiImage->ny );
const size_t dimz( niftiImage->nz);
image.clear();
{
std::vector<float> zvector(dimz,0);
std::vector<std::vector<float> >yzmatrix(dimy,zvector);
image.resize(dimx,yzmatrix);
}
void* niftiData(niftiImage->data);
for (int i=0 ; i<dimz ; ++i)
{
for (int j=0 ; j<dimy ; ++j)
{
for (int k=0 ; k<dimx ; ++k)
{
size_t voxOffset( (i*dimy*dimx) + (j*dimx) + k );
if( voxOffset >= dataSize )
{
std::cerr<< "ERROR @ niftiManager::readImage():: pointer offset was too high when loading nifti data" << std::endl;
return VTError;
}
size_t byteOffset( voxOffset * repByteSize );
void* dataPos = static_cast<unsigned char*>(niftiData) + byteOffset;
if (repType == DT_UINT8)
{
unsigned char datapoint = *(static_cast<unsigned char*>(dataPos));
image[k][j][i] = (float)datapoint;
}
else if (repType == DT_FLOAT32)
{
float datapoint = *(static_cast<float*>(dataPos));
image[k][j][i] = datapoint;
}
else
{
std::cerr<< "ERROR @ niftiManager::readImage(): image representation type not recognized (neither UINT8 nor FLOAT32)" << std::endl;
return VTError;
}
}
}
}
// clean up
nifti_image_free( niftiImage );
if ( extension == ".gz" )
{
// Variables for calling system commands
std::string sysCommand( "rm -f " + imageFilename );
int success(system(sysCommand.c_str()));
}
return imageValueType;
}// end niftiManager::readImage() -----------------------------------------------------------------