std::vector<itk::SmartPointer<mitk::BaseData> > mitk::DummyLsetFileReader::Read()
{
std::vector<itk::SmartPointer<mitk::BaseData> > result;
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetFileName(this->GetInputLocation());
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
reader->SetImageIO(io);
reader->Update();
mitk::Image::Pointer img;
mitk::CastToMitkImage(reader->GetOutput(),img);
result.push_back(img.GetPointer());
return result;
}
void NrrdQBallImageReader
::GenerateData()
{
if ( m_FileName == "")
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, the filename of the vessel tree to be read is empty!");
}
else
{
try
{
const std::string& locale = "C";
const std::string& currLocale = setlocale( LC_ALL, NULL );
if ( locale.compare(currLocale)!=0 )
{
try
{
setlocale(LC_ALL, locale.c_str());
}
catch(...)
{
MITK_INFO << "Could not set locale " << locale;
}
}
typedef itk::VectorImage<float,3> ImageType;
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(this->m_FileName);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
typedef itk::Image<itk::Vector<float,QBALL_ODFSIZE>,3> VecImgType;
VecImgType::Pointer vecImg = VecImgType::New();
vecImg->SetSpacing( img->GetSpacing() ); // Set the image spacing
vecImg->SetOrigin( img->GetOrigin() ); // Set the image origin
vecImg->SetDirection( img->GetDirection() ); // Set the image direction
vecImg->SetLargestPossibleRegion( img->GetLargestPossibleRegion());
vecImg->SetBufferedRegion( img->GetLargestPossibleRegion() );
vecImg->Allocate();
itk::ImageRegionIterator<VecImgType> ot (vecImg, vecImg->GetLargestPossibleRegion() );
ot = ot.Begin();
itk::ImageRegionIterator<ImageType> it (img, img->GetLargestPossibleRegion() );
typedef ImageType::PixelType VarPixType;
typedef VecImgType::PixelType FixPixType;
for (it = it.Begin(); !it.IsAtEnd(); ++it)
{
VarPixType vec = it.Get();
FixPixType fixVec(vec.GetDataPointer());
ot.Set(fixVec);
++ot;
}
this->GetOutput()->InitializeByItk(vecImg.GetPointer());
this->GetOutput()->SetVolume(vecImg->GetBufferPointer());
try
{
setlocale(LC_ALL, currLocale.c_str());
}
catch(...)
{
MITK_INFO << "Could not reset locale " << currLocale;
}
}
catch(std::exception& e)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, e.what());
}
catch(...)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, an error occurred while reading the requested vessel tree file!");
}
}
}
std::vector<itk::SmartPointer<BaseData> > NrrdTensorImageReader::Read()
{
std::vector<itk::SmartPointer<mitk::BaseData> > result;
std::string location = GetInputLocation();
if ( location == "")
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, the filename is empty!");
}
else
{
try
{
mitk::LocaleSwitch localeSwitch("C");
try
{
std::string fname3 = mitk::IOUtil::GetTempPath()+"/temp_dti.nii.gz";
int c = 0;
while( itksys::SystemTools::FileExists(fname3) )
{
fname3 = mitk::IOUtil::GetTempPath()+"/temp_dti_" + boost::lexical_cast<std::string>(c) + ".nii.gz";
++c;
}
itksys::SystemTools::CopyAFile(location.c_str(), fname3.c_str());
typedef itk::VectorImage<float,3> ImageType;
itk::NiftiImageIO::Pointer io = itk::NiftiImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(fname3);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
TensorImage::ItkTensorImageType::Pointer vecImg = TensorImage::ItkTensorImageType::New();
vecImg->SetSpacing( img->GetSpacing() ); // Set the image spacing
vecImg->SetOrigin( img->GetOrigin() ); // Set the image origin
vecImg->SetDirection( img->GetDirection() ); // Set the image direction
vecImg->SetRegions( img->GetLargestPossibleRegion());
vecImg->Allocate();
itk::ImageRegionIterator<TensorImage::ItkTensorImageType> ot (vecImg, vecImg->GetLargestPossibleRegion() );
ot.GoToBegin();
itk::ImageRegionIterator<ImageType> it (img, img->GetLargestPossibleRegion() );
it.GoToBegin();
typedef ImageType::PixelType VarPixType;
typedef TensorImage::PixelType FixPixType;
int numComponents = img->GetNumberOfComponentsPerPixel();
if (numComponents==6)
{
MITK_INFO << "Trying to load dti as 6-comp nifti ...";
while (!it.IsAtEnd())
{
VarPixType vec = it.Get();
FixPixType fixVec(vec.GetDataPointer());
TensorImage::PixelType tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(3));
tensor.SetElement(4, vec.GetElement(4));
tensor.SetElement(5, vec.GetElement(5));
fixVec = tensor;
ot.Set(fixVec);
++ot;
++it;
}
}
else if(numComponents==9)
{
MITK_INFO << "Trying to load dti as 9-comp nifti ...";
while (!it.IsAtEnd())
{
VarPixType vec = it.Get();
TensorImage::PixelType tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(4));
tensor.SetElement(4, vec.GetElement(5));
tensor.SetElement(5, vec.GetElement(8));
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
++it;
}
}
else if (numComponents==1)
{
MITK_INFO << "Trying to load dti as 4D nifti ...";
typedef itk::Image<float,4> ImageType;
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(fname3);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
itk::Size<4> size = img->GetLargestPossibleRegion().GetSize();
while (!ot.IsAtEnd())
{
TensorImage::PixelType tensor;
ImageType::IndexType idx;
idx[0] = ot.GetIndex()[0]; idx[1] = ot.GetIndex()[1]; idx[2] = ot.GetIndex()[2];
if (size[3]==6)
{
for (unsigned int te=0; te<size[3]; te++)
{
idx[3] = te;
tensor.SetElement(te, img->GetPixel(idx));
}
}
else if (size[3]==9)
{
idx[3] = 0;
tensor.SetElement(0, img->GetPixel(idx));
idx[3] = 1;
tensor.SetElement(1, img->GetPixel(idx));
idx[3] = 2;
tensor.SetElement(2, img->GetPixel(idx));
idx[3] = 4;
tensor.SetElement(3, img->GetPixel(idx));
idx[3] = 5;
tensor.SetElement(4, img->GetPixel(idx));
idx[3] = 8;
tensor.SetElement(5, img->GetPixel(idx));
}
else
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Unknown number of components for DTI file. Should be 6 or 9!");
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
}
}
OutputType::Pointer resultImage = OutputType::New();
resultImage->InitializeByItk( vecImg.GetPointer() );
resultImage->SetVolume( vecImg->GetBufferPointer() );
result.push_back( resultImage.GetPointer() );
}
catch(...)
{
MITK_INFO << "Trying to load dti as nrrd ...";
typedef itk::VectorImage<float,3> ImageType;
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(location);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
TensorImage::ItkTensorImageType::Pointer vecImg = TensorImage::ItkTensorImageType::New();
vecImg->SetSpacing( img->GetSpacing() ); // Set the image spacing
vecImg->SetOrigin( img->GetOrigin() ); // Set the image origin
vecImg->SetDirection( img->GetDirection() ); // Set the image direction
vecImg->SetRegions( img->GetLargestPossibleRegion());
vecImg->Allocate();
itk::ImageRegionIterator<TensorImage::ItkTensorImageType> ot (vecImg, vecImg->GetLargestPossibleRegion() );
ot.GoToBegin();
itk::ImageRegionIterator<ImageType> it (img, img->GetLargestPossibleRegion() );
it.GoToBegin();
typedef ImageType::PixelType VarPixType;
typedef TensorImage::PixelType FixPixType;
int numComponents = img->GetNumberOfComponentsPerPixel();
itk::MetaDataDictionary imgMetaDictionary = img->GetMetaDataDictionary();
std::vector<std::string> imgMetaKeys = imgMetaDictionary.GetKeys();
std::vector<std::string>::const_iterator itKey = imgMetaKeys.begin();
std::string metaString;
bool readFrame = false;
double xx, xy, xz, yx, yy, yz, zx, zy, zz;
MeasurementFrameType measFrame;
measFrame.SetIdentity();
MeasurementFrameType measFrameTransp;
measFrameTransp.SetIdentity();
for (; itKey != imgMetaKeys.end(); itKey ++)
{
itk::ExposeMetaData<std::string> (imgMetaDictionary, *itKey, metaString);
if (itKey->find("measurement frame") != std::string::npos)
{
sscanf(metaString.c_str(), " ( %lf , %lf , %lf ) ( %lf , %lf , %lf ) ( %lf , %lf , %lf ) \n", &xx, &xy, &xz, &yx, &yy, &yz, &zx, &zy, &zz);
if (xx>10e-10 || xy>10e-10 || xz>10e-10 ||
yx>10e-10 || yy>10e-10 || yz>10e-10 ||
zx>10e-10 || zy>10e-10 || zz>10e-10 )
{
readFrame = true;
measFrame(0,0) = xx;
measFrame(0,1) = xy;
measFrame(0,2) = xz;
measFrame(1,0) = yx;
measFrame(1,1) = yy;
measFrame(1,2) = yz;
measFrame(2,0) = zx;
measFrame(2,1) = zy;
measFrame(2,2) = zz;
measFrameTransp = measFrame.GetTranspose();
}
}
}
if (numComponents==6)
{
while (!it.IsAtEnd())
{
// T'=RTR'
VarPixType vec = it.Get();
FixPixType fixVec(vec.GetDataPointer());
if(readFrame)
{
TensorImage::PixelType tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(3));
tensor.SetElement(4, vec.GetElement(4));
tensor.SetElement(5, vec.GetElement(5));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PreMultiply(measFrame));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PostMultiply(measFrameTransp));
fixVec = tensor;
}
ot.Set(fixVec);
++ot;
++it;
}
}
else if(numComponents==9)
{
while (!it.IsAtEnd())
{
VarPixType vec = it.Get();
TensorImage::PixelType tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(4));
tensor.SetElement(4, vec.GetElement(5));
tensor.SetElement(5, vec.GetElement(8));
if(readFrame)
{
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PreMultiply(measFrame));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PostMultiply(measFrameTransp));
}
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
++it;
}
}
else if (numComponents==1)
{
typedef itk::Image<float,4> ImageType;
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(location);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
itk::Size<4> size = img->GetLargestPossibleRegion().GetSize();
while (!ot.IsAtEnd())
{
TensorImage::PixelType tensor;
ImageType::IndexType idx;
idx[0] = ot.GetIndex()[0]; idx[1] = ot.GetIndex()[1]; idx[2] = ot.GetIndex()[2];
if (size[3]==6)
{
for (unsigned int te=0; te<size[3]; te++)
{
idx[3] = te;
tensor.SetElement(te, img->GetPixel(idx));
}
}
else if (size[3]==9)
{
idx[3] = 0;
tensor.SetElement(0, img->GetPixel(idx));
idx[3] = 1;
tensor.SetElement(1, img->GetPixel(idx));
idx[3] = 2;
tensor.SetElement(2, img->GetPixel(idx));
idx[3] = 4;
tensor.SetElement(3, img->GetPixel(idx));
idx[3] = 5;
tensor.SetElement(4, img->GetPixel(idx));
idx[3] = 8;
tensor.SetElement(5, img->GetPixel(idx));
}
else
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Unknown number of komponents for DTI file. Should be 6 or 9!");
if(readFrame)
{
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PreMultiply(measFrame));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PostMultiply(measFrameTransp));
}
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
}
}
else
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Image has wrong number of pixel components!");
}
OutputType::Pointer resultImage = OutputType::New();
resultImage->InitializeByItk( vecImg.GetPointer() );
resultImage->SetVolume( vecImg->GetBufferPointer() );
result.push_back( resultImage.GetPointer() );
}
}
catch(std::exception& e)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, e.what());
}
catch(...)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, an error occurred while reading the requested DTI file!");
}
}
return result;
}
void NrrdTensorImageReader
::GenerateData()
{
if ( m_FileName == "")
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, the filename is empty!");
}
else
{
try
{
const std::string& locale = "C";
const std::string& currLocale = setlocale( LC_ALL, NULL );
if ( locale.compare(currLocale)!=0 )
{
try
{
setlocale(LC_ALL, locale.c_str());
}
catch(...)
{
MITK_INFO << "Could not set locale " << locale;
}
}
try
{
MITK_INFO << "Trying to load dti as nifti ...";
std::string fname3 = "temp_dti.nii";
itksys::SystemTools::CopyAFile(m_FileName.c_str(), fname3.c_str());
typedef itk::Image<float,4> ImageType;
itk::NiftiImageIO::Pointer io = itk::NiftiImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(fname3);
reader->Update();
itksys::SystemTools::RemoveFile(fname3.c_str());
ImageType::Pointer img = reader->GetOutput();
itk::Size<4> size = img->GetLargestPossibleRegion().GetSize();
itk::ImageRegion< 3 > region;
region.SetSize(0,size[0]);
region.SetSize(1,size[1]);
region.SetSize(2,size[2]);
itk::Vector<double,3> spacing;
spacing[0] = img->GetSpacing()[0];
spacing[1] = img->GetSpacing()[1];
spacing[2] = img->GetSpacing()[2];
itk::Point<double,3> origin;
origin[0] = img->GetOrigin()[0];
origin[1] = img->GetOrigin()[1];
origin[2] = img->GetOrigin()[2];
itk::Matrix<double,3,3> direction;
direction[0][0] = img->GetDirection()[0][0];
direction[1][0] = img->GetDirection()[1][0];
direction[2][0] = img->GetDirection()[2][0];
direction[0][1] = img->GetDirection()[0][1];
direction[1][1] = img->GetDirection()[1][1];
direction[2][1] = img->GetDirection()[2][1];
direction[0][2] = img->GetDirection()[0][2];
direction[1][2] = img->GetDirection()[1][2];
direction[2][2] = img->GetDirection()[2][2];
typedef itk::Image<itk::DiffusionTensor3D<float>,3> VecImgType;
typedef VecImgType::PixelType FixPixType;
VecImgType::Pointer vecImg = VecImgType::New();
vecImg->SetSpacing( spacing );
vecImg->SetOrigin( origin );
vecImg->SetDirection( direction );
vecImg->SetRegions( region );
vecImg->Allocate();
itk::ImageRegionIterator<VecImgType> ot (vecImg, vecImg->GetLargestPossibleRegion() );
ot = ot.Begin();
while (!ot.IsAtEnd())
{
itk::DiffusionTensor3D<float> tensor;
ImageType::IndexType idx;
idx[0] = ot.GetIndex()[0]; idx[1] = ot.GetIndex()[1]; idx[2] = ot.GetIndex()[2];
if (size[3]==6)
{
for (int te=0; te<size[3]; te++)
{
idx[3] = te;
tensor.SetElement(te, img->GetPixel(idx));
}
}
else if (size[3]==9)
{
idx[3] = 0;
tensor.SetElement(0, img->GetPixel(idx));
idx[3] = 1;
tensor.SetElement(1, img->GetPixel(idx));
idx[3] = 2;
tensor.SetElement(2, img->GetPixel(idx));
idx[3] = 4;
tensor.SetElement(3, img->GetPixel(idx));
idx[3] = 5;
tensor.SetElement(4, img->GetPixel(idx));
idx[3] = 8;
tensor.SetElement(5, img->GetPixel(idx));
}
else
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Unknown number of komponents for DTI file. Should be 6 or 9!");
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
}
this->GetOutput()->InitializeByItk(vecImg.GetPointer());
this->GetOutput()->SetVolume(vecImg->GetBufferPointer());
}
catch(...)
{
MITK_INFO << "Trying to load dti as nrrd ...";
typedef itk::VectorImage<float,3> ImageType;
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(this->m_FileName);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
typedef itk::Image<itk::DiffusionTensor3D<float>,3> VecImgType;
VecImgType::Pointer vecImg = VecImgType::New();
vecImg->SetSpacing( img->GetSpacing() ); // Set the image spacing
vecImg->SetOrigin( img->GetOrigin() ); // Set the image origin
vecImg->SetDirection( img->GetDirection() ); // Set the image direction
vecImg->SetRegions( img->GetLargestPossibleRegion());
vecImg->Allocate();
itk::ImageRegionIterator<VecImgType> ot (vecImg, vecImg->GetLargestPossibleRegion() );
ot = ot.Begin();
itk::ImageRegionIterator<ImageType> it (img, img->GetLargestPossibleRegion() );
it = it.Begin();
typedef ImageType::PixelType VarPixType;
typedef VecImgType::PixelType FixPixType;
int numComponents = img->GetNumberOfComponentsPerPixel();
itk::MetaDataDictionary imgMetaDictionary = img->GetMetaDataDictionary();
std::vector<std::string> imgMetaKeys = imgMetaDictionary.GetKeys();
std::vector<std::string>::const_iterator itKey = imgMetaKeys.begin();
std::string metaString;
bool readFrame = false;
double xx, xy, xz, yx, yy, yz, zx, zy, zz;
MeasurementFrameType measFrame;
measFrame.SetIdentity();
MeasurementFrameType measFrameTransp;
measFrameTransp.SetIdentity();
for (; itKey != imgMetaKeys.end(); itKey ++)
{
itk::ExposeMetaData<std::string> (imgMetaDictionary, *itKey, metaString);
if (itKey->find("measurement frame") != std::string::npos)
{
sscanf(metaString.c_str(), " ( %lf , %lf , %lf ) ( %lf , %lf , %lf ) ( %lf , %lf , %lf ) \n", &xx, &xy, &xz, &yx, &yy, &yz, &zx, &zy, &zz);
if (xx>10e-10 || xy>10e-10 || xz>10e-10 ||
yx>10e-10 || yy>10e-10 || yz>10e-10 ||
zx>10e-10 || zy>10e-10 || zz>10e-10 )
{
readFrame = true;
measFrame(0,0) = xx;
measFrame(0,1) = xy;
measFrame(0,2) = xz;
measFrame(1,0) = yx;
measFrame(1,1) = yy;
measFrame(1,2) = yz;
measFrame(2,0) = zx;
measFrame(2,1) = zy;
measFrame(2,2) = zz;
measFrameTransp = measFrame.GetTranspose();
}
}
}
if (numComponents==6)
{
while (!it.IsAtEnd())
{
// T'=RTR'
VarPixType vec = it.Get();
FixPixType fixVec(vec.GetDataPointer());
if(readFrame)
{
itk::DiffusionTensor3D<float> tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(3));
tensor.SetElement(4, vec.GetElement(4));
tensor.SetElement(5, vec.GetElement(5));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PreMultiply(measFrame));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PostMultiply(measFrameTransp));
fixVec = tensor;
}
ot.Set(fixVec);
++ot;
++it;
}
}
else if(numComponents==9)
{
while (!it.IsAtEnd())
{
VarPixType vec = it.Get();
itk::DiffusionTensor3D<float> tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(4));
tensor.SetElement(4, vec.GetElement(5));
tensor.SetElement(5, vec.GetElement(8));
if(readFrame)
{
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PreMultiply(measFrame));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PostMultiply(measFrameTransp));
}
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
++it;
}
}
else if (numComponents==1)
{
typedef itk::Image<float,4> ImageType;
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(this->m_FileName);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
itk::Size<4> size = img->GetLargestPossibleRegion().GetSize();
MITK_INFO << size;
while (!ot.IsAtEnd())
{
itk::DiffusionTensor3D<float> tensor;
ImageType::IndexType idx;
idx[0] = ot.GetIndex()[0]; idx[1] = ot.GetIndex()[1]; idx[2] = ot.GetIndex()[2];
if (size[3]==6)
{
for (int te=0; te<size[3]; te++)
{
idx[3] = te;
tensor.SetElement(te, img->GetPixel(idx));
}
// idx[3] = 0;
// tensor.SetElement(0, img->GetPixel(idx));
// idx[3] = 1;
// tensor.SetElement(1, img->GetPixel(idx));
// idx[3] = 3;
// tensor.SetElement(2, img->GetPixel(idx));
// idx[3] = 2;
// tensor.SetElement(3, img->GetPixel(idx));
// idx[3] = 4;
// tensor.SetElement(4, img->GetPixel(idx));
// idx[3] = 5;
// tensor.SetElement(5, img->GetPixel(idx));
}
else if (size[3]==9)
{
idx[3] = 0;
tensor.SetElement(0, img->GetPixel(idx));
idx[3] = 1;
tensor.SetElement(1, img->GetPixel(idx));
idx[3] = 2;
tensor.SetElement(2, img->GetPixel(idx));
idx[3] = 4;
tensor.SetElement(3, img->GetPixel(idx));
idx[3] = 5;
tensor.SetElement(4, img->GetPixel(idx));
idx[3] = 8;
tensor.SetElement(5, img->GetPixel(idx));
}
else
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Unknown number of komponents for DTI file. Should be 6 or 9!");
if(readFrame)
{
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PreMultiply(measFrame));
tensor = ConvertMatrixTypeToFixedArrayType(tensor.PostMultiply(measFrameTransp));
}
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
}
}
else
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Image has wrong number of pixel components!");
}
this->GetOutput()->InitializeByItk(vecImg.GetPointer());
this->GetOutput()->SetVolume(vecImg->GetBufferPointer());
}
try
{
setlocale(LC_ALL, currLocale.c_str());
}
catch(...)
{
MITK_INFO << "Could not reset locale " << currLocale;
}
}
catch(std::exception& e)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, e.what());
}
catch(...)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, an error occurred while reading the requested DTI file!");
}
}
}
int main(int argc, char **argv)
{
std::cout << "nrrd2vtk. Version 1.3. Works bboth ways."<< std::endl;
if(argc<4)
{
std::cout << "nrrd2vtk input.nrrd output.vtk uint|short|uchar"<< std::endl;
return 0;
}
const char* inp = argv[1];
const char* outp = argv[2];
const char* type = argv[3];
if(strcmp(type, "uint")==0)
{
typedef itk::Image< unsigned int, 3 > ImageType;
typedef ImageType::Pointer ImageTypePointer;
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetFileName(inp);
reader->Update();
typedef itk::ImageFileWriter<ImageType> FileWriterType;
FileWriterType::Pointer writer = FileWriterType::New();
writer->SetFileName(outp);
writer->SetInput( reader->GetOutput() );
writer->Update();
}
else if(strcmp(type, "short")==0)
{
typedef itk::Image< short, 3 > ImageType;
typedef ImageType::Pointer ImageTypePointer;
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetFileName(inp);
reader->Update();
typedef itk::ImageFileWriter<ImageType> FileWriterType;
FileWriterType::Pointer writer = FileWriterType::New();
writer->SetFileName(outp);
writer->SetInput( reader->GetOutput() );
writer->Update();
}
else if(strcmp(type, "uchar")==0)
{
typedef itk::Image< unsigned char, 3 > ImageType;
typedef ImageType::Pointer ImageTypePointer;
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetFileName(inp);
reader->Update();
typedef itk::ImageFileWriter<ImageType> FileWriterType;
FileWriterType::Pointer writer = FileWriterType::New();
writer->SetFileName(outp);
writer->SetInput( reader->GetOutput() );
writer->Update();
}
/* ConnectorType::Pointer connector = ConnectorType::New();
connector->SetInput(reader->GetOutput());
connector->Update();
CommonTools::SaveImage( connector->GetOutput(), outp );
*/
return 0;
}
int main(int argc, char**argv)
{
int nx, ny, nz, nbytes, direction, nx8, ny8, nz8, k;
// int n, x, y, z, dx, dy;
long long width, height, depth, xysize;
char *dataFile, *tiffFile;
bool use_compression = true, data2tiff, compressdata = true;
FILE *fpdata;
if (argc != 4) {
printf("Usage: maketiff dataFile tiffFile direction\n");
printf(" direction = 0 (tiff to data) = 1 (data to tiff)\n");
return 1;
}
dataFile = argv[1];
tiffFile = argv[2];
sscanf(argv[3],"%d",&direction);
if (direction == 0) {
data2tiff = false;
printf("Output data file: %s\n",dataFile);
} else {
data2tiff = true;
printf("Output image file: %s\n",tiffFile);
}
if (data2tiff) { // create tiff file
fpdata = fopen(dataFile,"rb");
if (fpdata == NULL) {
return 2;
}
fread(&nx,4,1,fpdata);
fread(&ny,4,1,fpdata);
fread(&nz,4,1,fpdata);
// fread(&nbytes,4,1,fpdata);
//if (nbytes != nx*ny*nz) {
// printf("Error: this is a compressed data file\n");
// return 10;
//}
width = nx;
height = ny;
depth = nz;
xysize = width*height;
printf("Desired image dimensions: width, height, depth: %d %d %d\n",width,height,depth);
ImageType::Pointer im = ImageType::New();
ImageType::SizeType imsize;
imsize[0] = width;
imsize[1] = height;
imsize[2] = depth;
ImageType::IndexType imstart;
imstart[0] = 0;
imstart[1] = 0;
imstart[2] = 0;
ImageType::RegionType imregion;
imregion.SetSize(imsize);
imregion.SetIndex(imstart);
im->SetRegions(imregion);
im->Allocate();
p = (unsigned char *)(im->GetBufferPointer());
nbytes = nx*ny*nz;
fread(p,nbytes,1,fpdata);
typedef itk::ImageFileWriter<ImageType> FileWriterType;
FileWriterType::Pointer writer = FileWriterType::New();
writer->SetFileName(tiffFile);
writer->SetInput(im);
if (use_compression) {
writer->UseCompressionOn();
}
try
{
writer->Update();
}
catch (itk::ExceptionObject &e)
{
std::cout << e << std::endl;
return 3;
}
if (use_compression) {
printf("Created compressed image file: %s\n",tiffFile);
} else {
printf("Created uncompressed image file: %s\n",tiffFile);
}
} else { // create data file
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetFileName(tiffFile);
try
{
reader->Update();
}
catch (itk::ExceptionObject &e)
{
std::cout << e << std::endl;
printf("Read error on input file\n");
return 2; // Read error on input tiff file
}
im = reader->GetOutput();
width = im->GetLargestPossibleRegion().GetSize()[0];
height = im->GetLargestPossibleRegion().GetSize()[1];
depth = im->GetLargestPossibleRegion().GetSize()[2];
printf("Image dimensions: width, height, depth: %d %d %d\n",width,height,depth);
p = (unsigned char *)(im->GetBufferPointer());
fpdata = fopen(dataFile,"wb");
if (fpdata == NULL) {
return 2;
}
nx = width;
ny = height;
nz = depth;
if (compressdata) {
// create compressed buffer pc from p using (0,1)
// First round up nx, ny, nz to a multiple of 8
k = nx%8;
if (k == 0)
nx8 = nx;
else
nx8 = nx + 8-k;
k = ny%8;
if (k == 0)
ny8 = ny;
else
ny8 = ny + 8-k;
k = nx%8;
if (k == 0)
nz8 = nz;
else
nz8 = nz + 8-k;
nbytes = nx8*ny8*nz8/8;
pc = (unsigned char *)malloc(nbytes*sizeof(unsigned char));
int kbit = 0;
int kbyte = 0;
k = 0;
unsigned char pcbyte = 0;
for (int iz=0; iz<nz8; iz++) {
bool zok = (iz<nz);
for (int iy=0; iy<ny8; iy++) {
bool yok = (iy<ny);
for (int ix=0; ix<nx8; ix++) {
bool xok = (ix<nx);
if (xok && yok && zok) {
// set bit kbit of pcbyte to (0,1) based on p[k]
if (p[k] == 1 || p[k] == 255) {
pcbyte |= 1 << kbit;
}
if (kbyte < 4) printf("ix,iy,iz k p[k] pcbyte: %d %d %d %d %d %d\n", ix,iy,iz,k,p[k],pcbyte);
k++;
}
kbit++;
if (kbit == 8) {
pc[kbyte] = pcbyte;
if (kbyte == 0) {
printf("byte:%d %d\n",kbyte,pc[kbyte]);
}
kbyte++;
pcbyte = 0;
kbit = 0;
}
}
}
}
}
fwrite(&nx,4,1,fpdata);
fwrite(&ny,4,1,fpdata);
fwrite(&nz,4,1,fpdata);
fwrite(&nx8,4,1,fpdata);
fwrite(&ny8,4,1,fpdata);
fwrite(&nz8,4,1,fpdata);
fwrite(&nbytes,4,1,fpdata);
printf("nx,ny,nz nx8,ny8,nz8: %d %d %d %d %d %d\n",nx,ny,nz,nx8,ny8,nz8);
width = nx;
height = ny;
depth = nz;
xysize = width*height;
// write(nfdata) nx,ny,nz,(((imagedata(ix,iy,iz),ix=1,nx),iy=1,ny),iz=1,nz)
// try this...
if (compressdata) {
fwrite(pc,1,nbytes,fpdata);
} else {
fwrite(p,1,nx*ny*nz,fpdata);
}
fclose(fpdata);
}
return 0;
}
void NrrdTensorImageReader
::GenerateData()
{
if ( m_FileName == "")
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, the filename is empty!");
}
else
{
try
{
const std::string& locale = "C";
const std::string& currLocale = setlocale( LC_ALL, NULL );
if ( locale.compare(currLocale)!=0 )
{
try
{
setlocale(LC_ALL, locale.c_str());
}
catch(...)
{
MITK_INFO << "Could not set locale " << locale;
}
}
typedef itk::VectorImage<float,3> ImageType;
itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetImageIO(io);
reader->SetFileName(this->m_FileName);
reader->Update();
ImageType::Pointer img = reader->GetOutput();
typedef itk::Image<itk::DiffusionTensor3D<float>,3> VecImgType;
VecImgType::Pointer vecImg = VecImgType::New();
vecImg->SetSpacing( img->GetSpacing() ); // Set the image spacing
vecImg->SetOrigin( img->GetOrigin() ); // Set the image origin
vecImg->SetDirection( img->GetDirection() ); // Set the image direction
vecImg->SetRegions( img->GetLargestPossibleRegion());
vecImg->Allocate();
itk::ImageRegionIterator<VecImgType> ot (vecImg, vecImg->GetLargestPossibleRegion() );
ot = ot.Begin();
itk::ImageRegionIterator<ImageType> it (img, img->GetLargestPossibleRegion() );
it = it.Begin();
typedef ImageType::PixelType VarPixType;
typedef VecImgType::PixelType FixPixType;
int numComponents = img->GetNumberOfComponentsPerPixel();
itk::MetaDataDictionary imgMetaDictionary = img->GetMetaDataDictionary();
std::vector<std::string> imgMetaKeys = imgMetaDictionary.GetKeys();
std::vector<std::string>::const_iterator itKey = imgMetaKeys.begin();
std::string metaString;
bool readFrame = false;
double xx, xy, xz, yx, yy, yz, zx, zy, zz;
MeasurementFrameType measFrame;
measFrame.SetIdentity();
MeasurementFrameType measFrameTransp;
measFrameTransp.SetIdentity();
for (; itKey != imgMetaKeys.end(); itKey ++)
{
itk::ExposeMetaData<std::string> (imgMetaDictionary, *itKey, metaString);
if (itKey->find("measurement frame") != std::string::npos)
{
sscanf(metaString.c_str(), " ( %lf , %lf , %lf ) ( %lf , %lf , %lf ) ( %lf , %lf , %lf ) \n", &xx, &xy, &xz, &yx, &yy, &yz, &zx, &zy, &zz);
if (xx>10e-10 || xy>10e-10 || xz>10e-10 ||
yx>10e-10 || yy>10e-10 || yz>10e-10 ||
zx>10e-10 || zy>10e-10 || zz>10e-10 )
{
readFrame = true;
measFrame(0,0) = xx;
measFrame(0,1) = xy;
measFrame(0,2) = xz;
measFrame(1,0) = yx;
measFrame(1,1) = yy;
measFrame(1,2) = yz;
measFrame(2,0) = zx;
measFrame(2,1) = zy;
measFrame(2,2) = zz;
measFrameTransp = measFrame.GetTranspose();
}
}
}
if (numComponents==6)
{
while (!it.IsAtEnd())
{
// T'=RTR'
VarPixType vec = it.Get();
FixPixType fixVec(vec.GetDataPointer());
if(readFrame)
{
itk::DiffusionTensor3D<float> tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(3));
tensor.SetElement(4, vec.GetElement(4));
tensor.SetElement(5, vec.GetElement(5));
tensor = tensor.PreMultiply(measFrame);
tensor = tensor.PostMultiply(measFrameTransp);
fixVec = tensor;
}
ot.Set(fixVec);
++ot;
++it;
}
}
else if(numComponents==9)
{
while (!it.IsAtEnd())
{
VarPixType vec = it.Get();
itk::DiffusionTensor3D<float> tensor;
tensor.SetElement(0, vec.GetElement(0));
tensor.SetElement(1, vec.GetElement(1));
tensor.SetElement(2, vec.GetElement(2));
tensor.SetElement(3, vec.GetElement(4));
tensor.SetElement(4, vec.GetElement(5));
tensor.SetElement(5, vec.GetElement(8));
if(readFrame)
{
tensor = tensor.PreMultiply(measFrame);
tensor = tensor.PostMultiply(measFrameTransp);
}
FixPixType fixVec(tensor);
ot.Set(fixVec);
++ot;
++it;
}
}
else
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Image has wrong number of pixel components!");
}
this->GetOutput()->InitializeByItk(vecImg.GetPointer());
this->GetOutput()->SetVolume(vecImg->GetBufferPointer());
try
{
setlocale(LC_ALL, currLocale.c_str());
}
catch(...)
{
MITK_INFO << "Could not reset locale " << currLocale;
}
}
catch(std::exception& e)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, e.what());
}
catch(...)
{
throw itk::ImageFileReaderException(__FILE__, __LINE__, "Sorry, an error occurred while reading the requested DTI file!");
}
}
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
int main(int argc, char**argv)
{
int width, height, depth, xysize, compress, err;
float peelsize;
float ball_radius;
char *inputFile, *erodedFile, *binFile;
bool compressdata = true;
bool make_binFile;
if (argc != 5 && argc != 6) {
printf("Usage: erode input_tiff eroded_tiff data_file ball_radius compress_data\n");
printf("or\n");
printf("Usage: erode input_tiff eroded_tiff ball_radius compress_data\n");
return 0;
}
inputFile = argv[1];
erodedFile = argv[2];
if (argc == 6) {
make_binFile = true;
binFile = argv[3];
sscanf(argv[4],"%f",&ball_radius);
sscanf(argv[5],"%d",&compress);
} else {
make_binFile = false;
sscanf(argv[3],"%f",&ball_radius);
sscanf(argv[4],"%d",&compress);
}
compressdata = (compress == 1);
printf("Input image file: %s\n",inputFile);
printf("Eroded image file: %s\n",erodedFile);
if (make_binFile) printf("Hull binary data file: %s\n",binFile);
printf("Ball radius: %f\n",ball_radius);
printf("compressdata: %d\n",compressdata);
typedef itk::ImageFileReader<ImageType> FileReaderType;
FileReaderType::Pointer reader = FileReaderType::New();
reader->SetFileName(inputFile);
try
{
reader->Update();
}
catch (itk::ExceptionObject &e)
{
std::cout << e << std::endl;
return 1;
}
inputImage = reader->GetOutput();
width = inputImage->GetLargestPossibleRegion().GetSize()[0];
height = inputImage->GetLargestPossibleRegion().GetSize()[1];
depth = inputImage->GetLargestPossibleRegion().GetSize()[2];
xysize = width*height;
printf("Image dimensions: width, height, depth: %d %d %d\n",width,height,depth);
/*
typedef itk::BinaryThresholdImageFilter<ImageType, ImageType> ThresholdFilterType;
ThresholdFilterType::Pointer Thresh = ThresholdFilterType::New();
if (threshold > 0) {
printf("Thresholding\n");
Thresh->SetInput(inputImage);
Thresh->SetUpperThreshold(threshold);
Thresh->SetOutsideValue(1);
Thresh->SetInsideValue(0);
Thresh->ReleaseDataFlagOn();
//err = ImWriter(Thresh->GetOutput(),"thresh.tif");
//if (err != 0) {
// printf("ImWriter error on threshold file\n");
// return 1;
//}
}
printf("Closing\n");
typedef itk::BinaryCloseParaImageFilter<ImageType, ImageType> BinCloseFilterType;
BinCloseFilterType::Pointer BinClose = BinCloseFilterType::New();
if (threshold > 0) {
BinClose->SetInput(Thresh->GetOutput());
} else {
BinClose->SetInput(inputImage);
}
BinClose->SetUseImageSpacing(true);
BinClose->SetRadius(ballsize);
BinClose->ReleaseDataFlagOn();
// err = ImWriter(BinClose->GetOutput(),"close1.tif");
//if (err != 0) {
// printf("ImWriter error on close1 file\n");
// return 1;
//}
printf("Scaling\n");
typedef itk::ShiftScaleImageFilter<ImageType, ImageType> ScaleFilterType;
ScaleFilterType::Pointer Scale = ScaleFilterType::New();
Scale->SetInput(BinClose->GetOutput());
Scale->SetScale(255.0);
*/
// const unsigned int radiusValue = peelsize/2;
typedef itk::FlatStructuringElement< 3 > StructuringElementType;
StructuringElementType::RadiusType radius;
radius.Fill( ball_radius );
StructuringElementType structuringElement = StructuringElementType::Ball( radius );
typedef itk::BinaryErodeImageFilter< ImageType, ImageType, StructuringElementType > BinaryErodeImageFilterType;
BinaryErodeImageFilterType::Pointer erodeFilter = BinaryErodeImageFilterType::New();
erodeFilter->SetInput( reader->GetOutput() );
erodeFilter->SetKernel( structuringElement );
printf("Writing eroded tiff\n");
err = ImWriter(erodeFilter->GetOutput(),erodedFile);
if (err != 0) {
printf("ImWriter error on eroded file\n");
return 1;
}
if (make_binFile) {
printf("Writing close binary data file\n");
p = (unsigned char *)(erodeFilter->GetOutput()->GetBufferPointer());
err = BinImWriter(binFile,p,width,height,depth,compressdata);
if (err != 0) {
printf("BinImWriter error on binary file\n");
return 2;
}
}
return 0;
}
