void DicomDiffusionImageReader<TPixelType, TDimension>
::GenerateOutputInformation(void)
{
typename OutputImageType::Pointer output = this->GetOutput();
typedef itk::ImageSeriesReader<InputImageType> ReaderType;
// Read the first (or last) volume and use its size.
if (m_Headers.size() > 0)
{
typename ReaderType::Pointer reader = ReaderType::New();
try
{
// Read the image
reader->SetFileNames (m_Headers[0]->m_DicomFilenames);
reader->UpdateOutputInformation();
output->SetSpacing( reader->GetOutput()->GetSpacing() ); // Set the image spacing
output->SetOrigin( reader->GetOutput()->GetOrigin() ); // Set the image origin
output->SetDirection( reader->GetOutput()->GetDirection() ); // Set the image direction
output->SetLargestPossibleRegion( reader->GetOutput()->GetLargestPossibleRegion() );
output->SetVectorLength( m_Headers.size() );
}
catch (itk::ExceptionObject &e)
{
throw e;
}
}
else
{
itkExceptionMacro(<< "At least one filename is required." );
}
}
template<class TImage> typename TImage::Pointer ttt::JSONTissueTrackingProject::readImage(const std::string & table, int frame) {
typedef itk::ImageFileReader<TImage> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
std::stringstream ssQuery, ssFileName;
try {
ssQuery << "SELECT fileName FROM " << table << " WHERE " << table
<< ".idProject=? AND " << table << ".t=?";
std::auto_ptr<sql::PreparedStatement> prep_stmt(
m_DB->prepareStatement(ssQuery.str()));
prep_stmt->setInt(1, m_ProjectID); //IDproject==2
prep_stmt->setInt(2, frame); //IDproject==2
prep_stmt->execute();
std::auto_ptr<sql::ResultSet> res(prep_stmt->getResultSet());
assert(res->next());
std::string fileName = res->getString("fileName");
ssFileName << m_WorkingDirectory << "/" << fileName;
reader->SetFileName(ssFileName.str());
;
reader->Update();
reader->GetOutput()->SetSpacing(m_Spacing);
return reader->GetOutput();
} catch (sql::SQLException &e) {
/*
The MySQL Connector/C++ throws three different exceptions:
- sql::MethodNotImplementedException (derived from sql::SQLException)
- sql::InvalidArgumentException (derived from sql::SQLException)
- sql::SQLException (derived from std::runtime_error)
*/
cout << "# ERR: SQLException in " << __FILE__;
// cout << "(" << EXAMPLE_FUNCTION << ") on line " << __LINE__ << endl;
/* Use what() (derived from std::runtime_error) to fetch the error message */
cout << "# ERR: " << e.what();
cout << " (MySQL error code: " << e.getErrorCode();
cout << ", SQLState: " << e.getSQLState() << " )" << endl;
}
return NULL;
}
void transform(string inputFilename, string outputFilename)
{
typedef itk::Image< TPixelType, N > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
typedef itk::ImageFileWriter< ImageType > WriterType;
typename ReaderType::Pointer reader = ReaderType::New();
itk::NiftiImageIO::Pointer io = itk::NiftiImageIO::New();
reader->SetImageIO(io);
reader->SetFileName(inputFilename);
try {
reader->Update();
} catch( itk::ExceptionObject & e ) {
std::cerr << "Exception caught while reading image " << std::endl;
std::cerr << e << std::endl;
}
typename WriterType::Pointer writer = WriterType::New();
writer->SetImageIO(io);
writer->SetFileName(outputFilename);
writer->SetInput(reader->GetOutput());
try {
writer->Update();
} catch( itk::ExceptionObject & e ) {
std::cerr << "Exception caught while writing image " << std::endl;
std::cerr << e << std::endl;
}
}
mitk::BaseData::Pointer mitk::RawImageFileReaderService::TypedRead(const std::string& path, EndianityType endianity, int* size)
{
typedef itk::Image< TPixel, VImageDimensions > ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
typedef itk::RawImageIO< TPixel, VImageDimensions > IOType;
typename ReaderType::Pointer reader = ReaderType::New();
typename IOType::Pointer io = IOType::New();
io->SetFileDimensionality(VImageDimensions);
for (unsigned short int dim = 0; dim < VImageDimensions; ++dim)
{
io->SetDimensions(dim, size[dim] );
}
if (endianity == LITTLE)
{
io->SetByteOrderToLittleEndian();
}
else if (endianity == BIG)
{
io->SetByteOrderToBigEndian();
}
else
{
MITK_INFO << "Warning: endianity not properly set. Resulting image might be incorrect";
}
reader->SetImageIO( io );
reader->SetFileName(path);
try
{
reader->Update();
}
catch( itk::ExceptionObject & err )
{
MITK_ERROR <<"An error occurred during the raw image reading process: ";
MITK_INFO << err << std::endl;
}
mitk::Image::Pointer image = mitk::Image::New();
mitk::CastToMitkImage(reader->GetOutput(), image);
image->SetVolume( reader->GetOutput()->GetBufferPointer());
return image.GetPointer();
}
void ReadFile(std::string filename, typename TImageType::Pointer image)
{
typedef itk::ImageFileReader<TImageType> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(filename);
reader->Update();
image->Graft(reader->GetOutput());
}
template <typename T> typename T::Pointer readImage(const char *filename)
{
printf("Reading %s ... \n",filename);
typedef typename itk::ImageFileReader<T> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
ReaderType::GlobalWarningDisplayOff(); reader->SetFileName(filename);
try {
reader->Update();
}
catch(itk::ExceptionObject &err) {
std::cerr << "ExceptionObject caught!" <<std::endl;
std::cerr << err << std::endl;
_exit(0);
//return EXIT_FAILURE;
}
printf("Done\n"); return reader->GetOutput();
}
typename T::Pointer readImage(const std::string &filename)
{
std::cout << "Reading " << filename << " ..." << std::endl;
typedef typename itk::ImageFileReader<T> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
ReaderType::GlobalWarningDisplayOff();
reader->SetFileName(filename);
try
{
reader->Update();
}
catch(itk::ExceptionObject &err)
{
std::cerr << "Exception object caught!" << std::endl;
std::cerr << err << std::endl;
}
std::cout << "Done." << std::endl;
return reader->GetOutput();
}
Volume* readScalarVolume(const std::string fileName) {
typedef itk::Image<T,3> ImageNDType;
typedef itk::ImageFileReader<ImageNDType> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(fileName.c_str());
int status = 1;
try
{
reader->Update();
status = 0;
}
catch(itk::ExceptionObject &excp)
{
throw tgt::FileException("ITK Exception: " + std::string(excp.GetDescription()), fileName);
}
if (status)
{
throw tgt::FileException("Other error reading file using ITK!", fileName);
}
return ITKToVoreenCopy<T>(reader->GetOutput());
}
int StartShConversion(int argc, char* argv[])
{
ctkCommandLineParser parser;
parser.setArgumentPrefix("--", "-");
parser.addArgument("input", "i", ctkCommandLineParser::String, "MITK SH image", us::Any(), false);
parser.addArgument("output", "o", ctkCommandLineParser::String, "MRtrix SH image", us::Any(), false);
parser.addArgument("shOrder", "sh", ctkCommandLineParser::Int, "spherical harmonics order");
map<string, us::Any> parsedArgs = parser.parseArguments(argc, argv);
if (parsedArgs.size()==0)
return EXIT_FAILURE;
string inFile = us::any_cast<string>(parsedArgs["input"]);
string outFile = us::any_cast<string>(parsedArgs["output"]);
try
{
typedef itk::Image< float, 4 > OutImageType;
typedef itk::Image< itk::Vector< float, (shOrder*shOrder + shOrder + 2)/2 + shOrder >, 3 > InputImageType;
typename InputImageType::Pointer itkInImage = InputImageType::New();
typedef itk::ImageFileReader< InputImageType > ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
MITK_INFO << "reading " << inFile;
reader->SetFileName(inFile.c_str());
reader->Update();
itkInImage = reader->GetOutput();
// extract directions from fiber bundle
typename itk::ShCoefficientImageExporter<float, shOrder>::Pointer filter = itk::ShCoefficientImageExporter<float,shOrder>::New();
filter->SetInputImage(itkInImage);
filter->GenerateData();
OutImageType::Pointer outImage = filter->GetOutputImage();
typedef itk::ImageFileWriter< OutImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
MITK_INFO << "writing " << outFile;
writer->SetFileName(outFile.c_str());
writer->SetInput(outImage);
writer->Update();
MITK_INFO << "DONE";
}
catch (itk::ExceptionObject e)
{
MITK_INFO << e;
return EXIT_FAILURE;
}
catch (std::exception e)
{
MITK_INFO << e.what();
return EXIT_FAILURE;
}
catch (...)
{
MITK_INFO << "ERROR!?!";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
void DicomDiffusionImageReader<TPixelType, TDimension>
::GenerateData()
{
typedef itk::ImageSeriesReader<InputImageType> ReaderType;
typename OutputImageType::Pointer output = this->GetOutput();
typedef typename OutputImageType::RegionType RegionType;
RegionType requestedRegion = output->GetRequestedRegion();
// Each file must have the same size.
SizeType validSize = requestedRegion.GetSize();
int numberOfVolumes = static_cast<int>(m_Headers.size());
// Allocate the output buffer
output->SetBufferedRegion( requestedRegion );
output->Allocate();
itk::ProgressReporter progress(this, 0,
m_Headers.size(),
m_Headers.size());
itk::ImageRegionIterator<OutputImageType> ot (output, requestedRegion );
// Clear the eventual previous content of the MetaDictionary array
//if( m_MetaDataDictionaryArray.size() )
// {
// for(unsigned int i=0; i<m_MetaDataDictionaryArray.size(); i++)
// {
// // each element is a raw pointer, delete them.
// delete m_MetaDataDictionaryArray[i];
// }
// }
//m_MetaDataDictionaryArray.clear();
typename OutputImageType::PixelType vec;
for (int i = 0; i < numberOfVolumes; i ++)
{
MITK_INFO << "Loading volume " << i+1 << "/" << numberOfVolumes;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileNames(m_Headers[i]->m_DicomFilenames);
reader->UpdateLargestPossibleRegion();
if (reader->GetOutput()->GetRequestedRegion().GetSize() != validSize)
{
itkExceptionMacro(<< "Size mismatch!");
}
itk::ImageRegionConstIterator<InputImageType> it (reader->GetOutput(),
reader->GetOutput()->GetLargestPossibleRegion());
while (!it.IsAtEnd())
{
vec = ot.Get();
vec.SetElement(i, it.Get());
ot.Set(vec);
++it;
++ot;
}
ot = ot.Begin();
progress.CompletedPixel();
}
int changeOrientationMethod(string inputFilename, string outputFilename, OrientationType orientation, bool changeOrientation, bool displayInitialOrientation, bool displayAvailableOrientation)
{
typedef itk::Image< TPixelType, N > ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typedef itk::ImageFileWriter<ImageType> WriterType;
typename ReaderType::Pointer reader = ReaderType::New();
itk::NiftiImageIO::Pointer io = itk::NiftiImageIO::New();
reader->SetImageIO(io);
reader->SetFileName(inputFilename);
OrientImage<ImageType> orientationFilter;
orientationFilter.setInputImage(reader->GetOutput());
if (displayInitialOrientation)
{
try {
io->SetFileName(inputFilename);
io->ReadImageInformation();
//reader->Update();
} catch( itk::ExceptionObject & e ) {
std::cerr << "Exception caught while reading input image " << std::endl;
std::cerr << e << std::endl;
}
typename ImageType::DirectionType direction;
vector<double> dir0 = io->GetDirection(0);
for (int i=0; i<dir0.size(); i++)
direction(i,0) = dir0[i];
vector<double> dir1 = io->GetDirection(1);
for (int i=0; i<dir1.size(); i++)
direction(i,1) = dir1[i];
vector<double> dir2 = io->GetDirection(2);
for (int i=0; i<dir2.size(); i++)
direction(i,2) = dir2[i];
cout << direction << endl;
cout << "Input image orientation : " << FlagToString(orientationFilter.getOrientationFromDirection(direction)) << endl;
}
if (changeOrientation)
{
try {
io->SetFileName(inputFilename);
io->ReadImageInformation();
//reader->Update();
} catch( itk::ExceptionObject & e ) {
std::cerr << "Exception caught while reading input image " << std::endl;
std::cerr << e << std::endl;
}
orientationFilter.orientation(orientation);
typename WriterType::Pointer writer = WriterType::New();
writer->SetImageIO(io);
writer->SetFileName(outputFilename);
writer->SetInput(orientationFilter.getOutputImage());
try {
writer->Write();
} catch( itk::ExceptionObject & e ) {
std::cerr << "Exception caught while writing output image " << std::endl;
std::cerr << e << std::endl;
}
}
return EXIT_SUCCESS;
}
// -----------------------------------------------------------------------------
// This is the actual templated algorithm
// -----------------------------------------------------------------------------
void static Execute(ReadImage* filter, QString inputFile, IDataArray::Pointer outputIDataArray, DataContainer::Pointer m, QString attrMatName)
{
typename DataArrayType::Pointer outputDataPtr = boost::dynamic_pointer_cast<DataArrayType>(outputIDataArray);
//convert arrays to correct type
PixelType* outputData = static_cast<PixelType*>(outputDataPtr->getPointer(0));
size_t numVoxels = outputDataPtr->getNumberOfTuples();
//read image meta data and get pixel type
itk::ImageIOBase::Pointer imageIO = itk::ImageIOFactory::CreateImageIO(inputFile.toLocal8Bit().constData(), itk::ImageIOFactory::ReadMode);
imageIO->SetFileName(inputFile.toLocal8Bit().data());
imageIO->ReadImageInformation();
itk::ImageIOBase::IOPixelType pixelType = imageIO->GetPixelType();
itk::ProcessObject::Pointer readerObject;
//read based on pixel type
switch(pixelType)
{
case itk::ImageIOBase::SCALAR:
{
typedef itk::Image<PixelType, ImageProcessing::ImageDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFile.toLocal8Bit().constData());
reader->GetOutput()->GetPixelContainer()->SetImportPointer(outputData, numVoxels, false);
readerObject = reader;
}
break;
case itk::ImageIOBase::RGB:
{
typedef itk::Image<itk::RGBPixel<PixelType>, ImageProcessing::ImageDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFile.toLocal8Bit().constData());
reader->GetOutput()->GetPixelContainer()->SetImportPointer(reinterpret_cast<itk::RGBPixel<PixelType>*>(outputData), numVoxels, false);
readerObject = reader;
}
break;
case itk::ImageIOBase::RGBA:
{
typedef itk::Image<itk::RGBAPixel<PixelType>, ImageProcessing::ImageDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFile.toLocal8Bit().constData());
reader->GetOutput()->GetPixelContainer()->SetImportPointer(reinterpret_cast<itk::RGBAPixel<PixelType>*>(outputData), numVoxels, false);
readerObject = reader;
}
break;
/**
case itk::ImageIOBase::FIXEDARRAY:
{
typedef itk::VectorImage<PixelType>, ImageProcessing::ImageDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFile.toLocal8Bit().constData());
reader->GetOutput()->GetPixelContainer()->SetImportPointer(outputData, numVoxels, false);
readerObject=reader;
}break;
*/
case itk::ImageIOBase::UNKNOWNPIXELTYPE:
case itk::ImageIOBase::OFFSET:
case itk::ImageIOBase::VECTOR:
case itk::ImageIOBase::POINT:
case itk::ImageIOBase::COVARIANTVECTOR:
case itk::ImageIOBase::SYMMETRICSECONDRANKTENSOR:
case itk::ImageIOBase::DIFFUSIONTENSOR3D:
case itk::ImageIOBase::COMPLEX:
case itk::ImageIOBase::FIXEDARRAY:
case itk::ImageIOBase::MATRIX:
break;
default:
filter->setErrorCondition(-2);
QString message = QObject::tr("Unable to read image '%1'").arg(filter->getInputFileName());
filter->notifyErrorMessage(filter->getHumanLabel(), message, filter->getErrorCondition());
outputIDataArray->resize(0);
}
try
{
readerObject->Update();
}
catch( itk::ExceptionObject& err )
{
filter->setErrorCondition(-5);
QString ss = QObject::tr("Failed to read image '%1': %2").arg(inputFile).arg(err.GetDescription());
filter->notifyErrorMessage(filter->getHumanLabel(), ss, filter->getErrorCondition());
}
}