diff --git a/Modules/Python/autoload/PythonService/PythonPath.h.in b/Modules/Python/autoload/PythonService/PythonPath.h.in index 6fbed94df7..21d9782cdc 100644 --- a/Modules/Python/autoload/PythonService/PythonPath.h.in +++ b/Modules/Python/autoload/PythonService/PythonPath.h.in @@ -1,16 +1,18 @@ #ifdef _DEBUG #define PYTHON_PATH_BUILD_TYPE "/Debug" #else #define PYTHON_PATH_BUILD_TYPE "/Release" #endif +#define PYTHON_LIBRARY "@PYTHON_LIBRARY@" + #ifdef WIN32 //Todo: windows system python #define EXTERNAL_SITE_PACKAGES "@MITK_EXTERNAL_PROJECT_PREFIX@/lib/python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@/site-packages" #define EXTERNAL_DIST_PACKAGES "@MITK_EXTERNAL_PROJECT_PREFIX@/lib/python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@/dist-packages" #define PYTHONHOME "@MITK_EXTERNAL_PROJECT_PREFIX@/lib/python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@" #else #define EXTERNAL_SITE_PACKAGES "@MITK_EXTERNAL_PROJECT_PREFIX@/lib/python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@/site-packages" #define EXTERNAL_DIST_PACKAGES "@MITK_EXTERNAL_PROJECT_PREFIX@/lib/python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@/dist-packages" #define PYTHONHOME "@MITK_EXTERNAL_PROJECT_PREFIX@" #endif diff --git a/Modules/Python/autoload/PythonService/mitkPythonService.cpp b/Modules/Python/autoload/PythonService/mitkPythonService.cpp index 919525a523..2bc412b143 100644 --- a/Modules/Python/autoload/PythonService/mitkPythonService.cpp +++ b/Modules/Python/autoload/PythonService/mitkPythonService.cpp @@ -1,955 +1,955 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "mitkPythonService.h" #include #include #include #include #include #include "PythonPath.h" #include #include #include #include +#include #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION #include #include #ifndef WIN32 #include #endif const QString mitk::PythonService::m_TmpDataFileName("temp_mitk_data_file"); #ifdef USE_MITK_BUILTIN_PYTHON static char* pHome = nullptr; #endif mitk::PythonService::PythonService() -: m_ItkWrappingAvailable( true ), m_OpenCVWrappingAvailable( true ), m_VtkWrappingAvailable( true ), m_ErrorOccured( false ) + : m_ItkWrappingAvailable( true ), m_OpenCVWrappingAvailable( true ), m_VtkWrappingAvailable( true ), m_ErrorOccured( false ) { { MITK_DEBUG << "will init python if necessary"; } bool pythonInitialized = static_cast( Py_IsInitialized() ); //m_PythonManager.isPythonInitialized() ); { MITK_DEBUG << "pythonInitialized " << pythonInitialized; MITK_DEBUG << "m_PythonManager.isPythonInitialized() " << m_PythonManager.isPythonInitialized(); } // due to strange static var behaviour on windows Py_IsInitialized() returns correct value while // m_PythonManager.isPythonInitialized() does not because it has been constructed and destructed again if( !m_PythonManager.isPythonInitialized() ) { try { //TODO a better way to do this #ifndef WIN32 -#if defined (__APPLE__) || defined(MACOSX) - const char* library = "libpython${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}.dylib"; -#else - const char* library = "libpython${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}.so"; -#endif dlerror(); - if(dlopen(library, RTLD_NOW | RTLD_GLOBAL) == 0 ) + if(dlopen(PYTHON_LIBRARY, RTLD_NOW | RTLD_GLOBAL) == 0 ) { mitkThrow() << "Python runtime could not be loaded: " << dlerror(); } #endif std::string programPath = mitk::IOUtil::GetProgramPath(); QDir programmDir( QString( programPath.c_str() ).append("/Python") ); QString pythonCommand; // TODO: Check this in the modernization branch with an installer // Set the pythonpath variable depending if // we have an installer or development environment if ( programmDir.exists() ) { // runtime directory used in installers pythonCommand.append( QString("import site, sys\n") ); pythonCommand.append( QString("sys.path.append('')\n") ); pythonCommand.append( QString("sys.path.append('%1')\n").arg(programPath.c_str()) ); pythonCommand.append( QString("sys.path.append('%1/Python')").arg(programPath.c_str()) ); // development } else { pythonCommand.append( QString("import site, sys\n") ); pythonCommand.append( QString("sys.path.append('')\n") ); pythonCommand.append( QString("sys.path.append('%1')\n").arg(EXTERNAL_DIST_PACKAGES) ); pythonCommand.append( QString("\nsite.addsitedir('%1')").arg(EXTERNAL_SITE_PACKAGES) ); } if( pythonInitialized ) m_PythonManager.setInitializationFlags(PythonQt::RedirectStdOut|PythonQt::PythonAlreadyInitialized); else m_PythonManager.setInitializationFlags(PythonQt::RedirectStdOut); // set python home if own runtime is used #ifdef USE_MITK_BUILTIN_PYTHON QString pythonHome; if ( programmDir.exists() ) pythonHome.append(QString("%1/Python").arg(programPath.c_str())); else pythonHome.append(PYTHONHOME); if(pHome) delete[] pHome; pHome = new char[pythonHome.toStdString().length() + 1]; strcpy(pHome,pythonHome.toStdString().c_str()); Py_SetPythonHome(pHome); MITK_DEBUG("PythonService") << "PythonHome: " << pHome; #endif MITK_DEBUG("PythonService") << "initalizing python"; m_PythonManager.initialize(); #ifdef USE_MITK_BUILTIN_PYTHON PyObject* dict = PyDict_New(); // Import builtin modules if (PyDict_GetItemString(dict, "__builtins__") == nullptr) { PyObject* builtinMod = PyImport_ImportModule("__builtin__"); if (builtinMod == nullptr || PyDict_SetItemString(dict, "__builtins__", builtinMod) != 0) { Py_DECREF(dict); Py_XDECREF(dict); return; } Py_DECREF(builtinMod); } #endif MITK_DEBUG("PythonService")<< "Python Search paths: " << Py_GetPath(); MITK_DEBUG("PythonService") << "python initalized"; //MITK_DEBUG("PythonService") << "registering python paths" << PYTHONPATH_COMMAND; m_PythonManager.executeString( pythonCommand, ctkAbstractPythonManager::FileInput ); } catch (...) { MITK_DEBUG("PythonService") << "exception initalizing python"; } } } mitk::PythonService::~PythonService() { MITK_DEBUG("mitk::PythonService") << "destructing PythonService"; #ifdef USE_MITK_BUILTIN_PYTHON if(pHome) delete[] pHome; #endif } std::string mitk::PythonService::Execute(const std::string &stdpythonCommand, int commandType) { QString pythonCommand = QString::fromStdString(stdpythonCommand); { MITK_DEBUG("mitk::PythonService") << "pythonCommand = " << pythonCommand.toStdString(); MITK_DEBUG("mitk::PythonService") << "commandType = " << commandType; } QVariant result; bool commandIssued = true; if(commandType == IPythonService::SINGLE_LINE_COMMAND ) result = m_PythonManager.executeString(pythonCommand, ctkAbstractPythonManager::SingleInput ); else if(commandType == IPythonService::MULTI_LINE_COMMAND ) result = m_PythonManager.executeString(pythonCommand, ctkAbstractPythonManager::FileInput ); else if(commandType == IPythonService::EVAL_COMMAND ) result = m_PythonManager.executeString(pythonCommand, ctkAbstractPythonManager::EvalInput ); else commandIssued = false; if(commandIssued) { this->NotifyObserver(pythonCommand.toStdString()); m_ErrorOccured = PythonQt::self()->hadError(); } return result.toString().toStdString(); } void mitk::PythonService::ExecuteScript( const std::string& pythonScript ) { - m_PythonManager.executeFile(QString::fromStdString(pythonScript)); + std::ifstream t(pythonScript.c_str()); + std::string str((std::istreambuf_iterator(t)), + std::istreambuf_iterator()); + + m_PythonManager.executeString(QString::fromStdString(str)); } std::vector mitk::PythonService::GetVariableStack() const { std::vector list; PyObject* dict = PyImport_GetModuleDict(); PyObject* object = PyDict_GetItemString(dict, "__main__"); PyObject* dirMain = PyObject_Dir(object); PyObject* tempObject = 0; //PyObject* strTempObject = 0; if(dirMain) { std::string name, attrValue, attrType; for(int i = 0; iob_type->tp_name; //disabled due to strange errors, see T24085 //strTempObject = PyObject_Repr(tempObject); //if(strTempObject && ( PyUnicode_Check(strTempObject) || PyString_Check(strTempObject) ) ) // attrValue = PyString_AsString(strTempObject); //else // attrValue = ""; mitk::PythonVariable var; var.m_Name = name; //var.m_Value = attrValue; var.m_Type = attrType; list.push_back(var); } } return list; } bool mitk::PythonService::DoesVariableExist(const std::string& name) const { bool varExists = false; std::vector allVars = this->GetVariableStack(); for(unsigned int i = 0; i< allVars.size(); i++) { if( allVars.at(i).m_Name == name ) { varExists = true; break; } } return varExists; } void mitk::PythonService::AddPythonCommandObserver(mitk::PythonCommandObserver *observer) { if(!m_Observer.contains(observer)) m_Observer.append(observer); } void mitk::PythonService::RemovePythonCommandObserver(mitk::PythonCommandObserver *observer) { m_Observer.removeOne(observer); } void mitk::PythonService::NotifyObserver(const std::string &command) { MITK_DEBUG("mitk::PythonService") << "number of observer " << m_Observer.size(); for( int i=0; i< m_Observer.size(); ++i ) { m_Observer.at(i)->CommandExecuted(command); } } QString mitk::PythonService::GetTempDataFileName(const std::string& ext) const { QString tmpFolder = QDir::tempPath(); QString fileName = tmpFolder + QDir::separator() + m_TmpDataFileName + QString::fromStdString(ext); return fileName; } bool mitk::PythonService::CopyToPythonAsSimpleItkImage(mitk::Image *image, const std::string &stdvarName) { QString varName = QString::fromStdString( stdvarName ); QString command; unsigned int* imgDim = image->GetDimensions(); int npy_nd = 1; // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionary PyObject *pyDict = PyModule_GetDict(pyMod); const mitk::Vector3D spacing = image->GetGeometry()->GetSpacing(); const mitk::Point3D origin = image->GetGeometry()->GetOrigin(); mitk::PixelType pixelType = image->GetPixelType(); itk::ImageIOBase::IOPixelType ioPixelType = image->GetPixelType().GetPixelType(); PyObject* npyArray = nullptr; mitk::ImageReadAccessor racc(image); void* array = (void*) racc.GetData(); mitk::Vector3D xDirection; mitk::Vector3D yDirection; mitk::Vector3D zDirection; const vnl_matrix_fixed &transform = image->GetGeometry()->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix(); mitk::Vector3D s = image->GetGeometry()->GetSpacing(); // ToDo: Check if this is a collumn or row vector from the matrix. // right now it works but not sure for rotated geometries mitk::FillVector3D(xDirection, transform[0][0]/s[0], transform[0][1]/s[1], transform[0][2]/s[2]); mitk::FillVector3D(yDirection, transform[1][0]/s[0], transform[1][1]/s[1], transform[1][2]/s[2]); mitk::FillVector3D(zDirection, transform[2][0]/s[0], transform[2][1]/s[1], transform[2][2]/s[2]); // save the total number of elements here (since the numpy array is one dimensional) npy_intp* npy_dims = new npy_intp[1]; npy_dims[0] = imgDim[0]; /** * Build a string in the format [1024,1028,1] * to describe the dimensionality. This is needed for simple itk * to know the dimensions of the image */ QString dimensionString; dimensionString.append(QString("[")); dimensionString.append(QString::number(imgDim[0])); for (unsigned i = 1; i < 3; ++i) // always three because otherwise the 3d-geometry gets destroyed // (relevant for backtransformation of simple itk image to mitk. { dimensionString.append(QString(",")); dimensionString.append(QString::number(imgDim[i])); npy_dims[0] *= imgDim[i]; } dimensionString.append("]"); // the next line is necessary for vectorimages npy_dims[0] *= pixelType.GetNumberOfComponents(); // default pixeltype: unsigned short NPY_TYPES npy_type = NPY_USHORT; std::string sitk_type = "sitkUInt8"; if( ioPixelType == itk::ImageIOBase::SCALAR ) { if( pixelType.GetComponentType() == itk::ImageIOBase::DOUBLE ) { npy_type = NPY_DOUBLE; sitk_type = "sitkFloat64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::FLOAT ) { npy_type = NPY_FLOAT; sitk_type = "sitkFloat32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::SHORT) { npy_type = NPY_SHORT; sitk_type = "sitkInt16"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::CHAR ) { npy_type = NPY_BYTE; sitk_type = "sitkInt8"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::INT ) { npy_type = NPY_INT; sitk_type = "sitkInt32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::LONG ) { npy_type = NPY_LONG; sitk_type = "sitkInt64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UCHAR ) { npy_type = NPY_UBYTE; sitk_type = "sitkUInt8"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UINT ) { npy_type = NPY_UINT; sitk_type = "sitkUInt32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::ULONG ) { npy_type = NPY_LONG; sitk_type = "sitkUInt64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::USHORT ) { npy_type = NPY_USHORT; sitk_type = "sitkUInt16"; } } else if ( ioPixelType == itk::ImageIOBase::VECTOR || - ioPixelType == itk::ImageIOBase::RGB || - ioPixelType == itk::ImageIOBase::RGBA - ) + ioPixelType == itk::ImageIOBase::RGB || + ioPixelType == itk::ImageIOBase::RGBA + ) { if( pixelType.GetComponentType() == itk::ImageIOBase::DOUBLE ) { npy_type = NPY_DOUBLE; sitk_type = "sitkVectorFloat64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::FLOAT ) { npy_type = NPY_FLOAT; sitk_type = "sitkVectorFloat32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::SHORT) { npy_type = NPY_SHORT; sitk_type = "sitkVectorInt16"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::CHAR ) { npy_type = NPY_BYTE; sitk_type = "sitkVectorInt8"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::INT ) { npy_type = NPY_INT; sitk_type = "sitkVectorInt32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::LONG ) { npy_type = NPY_LONG; sitk_type = "sitkVectorInt64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UCHAR ) { npy_type = NPY_UBYTE; sitk_type = "sitkVectorUInt8"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UINT ) { npy_type = NPY_UINT; sitk_type = "sitkVectorUInt32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::ULONG ) { npy_type = NPY_LONG; sitk_type = "sitkVectorUInt64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::USHORT ) { npy_type = NPY_USHORT; sitk_type = "sitkVectorUInt16"; } } else { MITK_WARN << "not a recognized pixeltype"; return false; } // creating numpy array import_array1 (true); npyArray = PyArray_SimpleNewFromData(npy_nd,npy_dims,npy_type,array); // add temp array it to the python dictionary to access it in python code const int status = PyDict_SetItemString( pyDict,QString("%1_numpy_array") - .arg(varName).toStdString().c_str(), - npyArray ); + .arg(varName).toStdString().c_str(), + npyArray ); // sanity check if ( status != 0 ) return false; command.append( QString("%1 = sitk.Image(%2,sitk.%3,%4)\n").arg(varName) - .arg(dimensionString) - .arg(QString(sitk_type.c_str())).arg(QString::number(pixelType.GetNumberOfComponents())) ); + .arg(dimensionString) + .arg(QString(sitk_type.c_str())).arg(QString::number(pixelType.GetNumberOfComponents())) ); command.append( QString("%1.SetSpacing([%2,%3,%4])\n").arg(varName) - .arg(QString::number(spacing[0])) + .arg(QString::number(spacing[0])) .arg(QString::number(spacing[1])) .arg(QString::number(spacing[2])) ); command.append( QString("%1.SetOrigin([%2,%3,%4])\n").arg(varName) - .arg(QString::number(origin[0])) + .arg(QString::number(origin[0])) .arg(QString::number(origin[1])) .arg(QString::number(origin[2])) ); command.append( QString("%1.SetDirection([%2,%3,%4,%5,%6,%7,%8,%9,%10])\n").arg(varName) - .arg(QString::number(xDirection[0])) + .arg(QString::number(xDirection[0])) .arg(QString::number(xDirection[1])) .arg(QString::number(xDirection[2])) .arg(QString::number(yDirection[0])) .arg(QString::number(yDirection[1])) .arg(QString::number(yDirection[2])) .arg(QString::number(zDirection[0])) .arg(QString::number(zDirection[1])) .arg(QString::number(zDirection[2])) - ); + ); // directly access the cpp api from the lib command.append( QString("_SimpleITK._SetImageFromArray(%1_numpy_array,%1)\n").arg(varName) ); command.append( QString("del %1_numpy_array").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute( command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return true; } mitk::PixelType DeterminePixelType(const std::string& pythonPixeltype, int nrComponents, int dimensions) { typedef itk::RGBPixel< unsigned char > UCRGBPixelType; typedef itk::RGBPixel< unsigned short > USRGBPixelType; typedef itk::RGBPixel< float > FloatRGBPixelType; typedef itk::RGBPixel< double > DoubleRGBPixelType; typedef itk::Image< UCRGBPixelType > UCRGBImageType; typedef itk::Image< USRGBPixelType > USRGBImageType; typedef itk::Image< FloatRGBPixelType > FloatRGBImageType; typedef itk::Image< DoubleRGBPixelType > DoubleRGBImageType; typedef itk::RGBAPixel< unsigned char > UCRGBAPixelType; typedef itk::RGBAPixel< unsigned short > USRGBAPixelType; typedef itk::RGBAPixel< float > FloatRGBAPixelType; typedef itk::RGBAPixel< double > DoubleRGBAPixelType; typedef itk::Image< UCRGBAPixelType > UCRGBAImageType; typedef itk::Image< USRGBAPixelType > USRGBAImageType; typedef itk::Image< FloatRGBAPixelType > FloatRGBAImageType; typedef itk::Image< DoubleRGBAPixelType > DoubleRGBAImageType; mitk::PixelType pixelType = mitk::MakePixelType(nrComponents); if (nrComponents == 1) { if( pythonPixeltype.compare("float64") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("float32") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("int16") == 0) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("int8") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("int32") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("int64") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("uint8") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("uint32") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("uint64") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else if( pythonPixeltype.compare("uint16") == 0 ) { pixelType = mitk::MakePixelType(nrComponents); } else { mitkThrow()<< "unknown scalar PixelType"; } } else if(nrComponents == 3 && dimensions == 2) { if( pythonPixeltype.compare("float64") == 0 ) { pixelType = mitk::MakePixelType(); } else if( pythonPixeltype.compare("float32") == 0 ) { pixelType = mitk::MakePixelType(); } else if( pythonPixeltype.compare("uint8") == 0 ) { pixelType = mitk::MakePixelType(); } else if( pythonPixeltype.compare("uint16") == 0 ) { pixelType = mitk::MakePixelType(); } } else if( (nrComponents == 4) && dimensions == 2 ) { if( pythonPixeltype.compare("float64") == 0 ) { pixelType = mitk::MakePixelType(); } else if( pythonPixeltype.compare("float32") == 0 ) { pixelType = mitk::MakePixelType(); } else if( pythonPixeltype.compare("uint8") == 0 ) { pixelType = mitk::MakePixelType(); } else if( pythonPixeltype.compare("uint16") == 0 ) { pixelType = mitk::MakePixelType(); } } else { if( pythonPixeltype.compare("float64") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("float32") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("int16") == 0) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("int8") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("int32") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("int64") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("uint8") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("uint16") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("uint32") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else if( pythonPixeltype.compare("uint64") == 0 ) { pixelType = mitk::MakePixelType >(nrComponents); } else { mitkThrow()<< "unknown vectorial PixelType"; } } return pixelType; } mitk::Image::Pointer mitk::PythonService::CopySimpleItkImageFromPython(const std::string &stdvarName) { double*ds = nullptr; // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionarry PyObject *pyDict = PyModule_GetDict(pyMod); mitk::Image::Pointer mitkImage = mitk::Image::New(); mitk::Vector3D spacing; mitk::Point3D origin; QString command; QString varName = QString::fromStdString( stdvarName ); command.append( QString("%1_numpy_array = sitk.GetArrayFromImage(%1)\n").arg(varName) ); command.append( QString("%1_spacing = numpy.asarray(%1.GetSpacing())\n").arg(varName) ); command.append( QString("%1_origin = numpy.asarray(%1.GetOrigin())\n").arg(varName) ); command.append( QString("%1_dtype = %1_numpy_array.dtype.name\n").arg(varName) ); command.append( QString("%1_direction = numpy.asarray(%1.GetDirection())\n").arg(varName) ); command.append( QString("%1_nrComponents = numpy.asarray(%1.GetNumberOfComponentsPerPixel())\n").arg(varName)); command.append( QString("%1_dtype = %1_numpy_array.dtype.name\n").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); PyObject* py_dtype = PyDict_GetItemString(pyDict,QString("%1_dtype").arg(varName).toStdString().c_str() ); std::string dtype = PyString_AsString(py_dtype); PyArrayObject* py_data = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_numpy_array").arg(varName).toStdString().c_str() ); PyArrayObject* py_spacing = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_spacing").arg(varName).toStdString().c_str() ); PyArrayObject* py_origin = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_origin").arg(varName).toStdString().c_str() ); PyArrayObject* py_direction = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_direction").arg(varName).toStdString().c_str() ); PyArrayObject* py_nrComponents = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_nrComponents").arg(varName).toStdString().c_str() ); unsigned int nr_Components = *(reinterpret_cast(PyArray_DATA(py_nrComponents))); unsigned int nr_dimensions = PyArray_NDIM(py_data); if (nr_Components > 1) // for VectorImages the last dimension in the numpy array are the vector components. { --nr_dimensions; } mitk::PixelType pixelType = DeterminePixelType(dtype, nr_Components, nr_dimensions); unsigned int* dimensions = new unsigned int[nr_dimensions]; // fill backwards , nd data saves dimensions in opposite direction for( unsigned i = 0; i < nr_dimensions; ++i ) { dimensions[i] = PyArray_DIMS(py_data)[nr_dimensions - 1 - i]; } mitkImage->Initialize(pixelType, nr_dimensions, dimensions); mitkImage->SetChannel(PyArray_DATA(py_data)); ds = reinterpret_cast(PyArray_DATA(py_spacing)); spacing[0] = ds[0]; spacing[1] = ds[1]; spacing[2] = ds[2]; mitkImage->GetGeometry()->SetSpacing(spacing); ds = reinterpret_cast(PyArray_DATA(py_origin)); origin[0] = ds[0]; origin[1] = ds[1]; origin[2] = ds[2]; mitkImage->GetGeometry()->SetOrigin(origin); itk::Matrix py_transform; ds = reinterpret_cast(PyArray_DATA(py_direction)); py_transform[0][0] = ds[0]; py_transform[0][1] = ds[1]; py_transform[0][2] = ds[2]; py_transform[1][0] = ds[3]; py_transform[1][1] = ds[4]; py_transform[1][2] = ds[5]; py_transform[2][0] = ds[6]; py_transform[2][1] = ds[7]; py_transform[2][2] = ds[8]; mitk::AffineTransform3D::Pointer affineTransform = mitkImage->GetGeometry()->GetIndexToWorldTransform(); itk::Matrix transform = py_transform * affineTransform->GetMatrix(); affineTransform->SetMatrix(transform); mitkImage->GetGeometry()->SetIndexToWorldTransform(affineTransform); // mitk::AffineTransform3D::New(); //mitkImage->GetGeometry()->SetIndexToWorldTransform(); // cleanup command.clear(); command.append( QString("del %1_numpy_array\n").arg(varName) ); command.append( QString("del %1_dtype\n").arg(varName) ); command.append( QString("del %1_spacing\n").arg(varName) ); command.append( QString("del %1_origin\n").arg(varName) ); command.append( QString("del %1_direction\n").arg(varName) ); command.append( QString("del %1_nrComponents\n").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); delete[] dimensions; return mitkImage; } bool mitk::PythonService::CopyToPythonAsCvImage( mitk::Image* image, const std::string& stdvarName ) { QString varName = QString::fromStdString( stdvarName ); QString command; unsigned int* imgDim = image->GetDimensions(); int npy_nd = 1; // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionary PyObject *pyDict = PyModule_GetDict(pyMod); mitk::PixelType pixelType = image->GetPixelType(); PyObject* npyArray = nullptr; mitk::ImageReadAccessor racc(image); void* array = (void*) racc.GetData(); // save the total number of elements here (since the numpy array is one dimensional) npy_intp* npy_dims = new npy_intp[1]; npy_dims[0] = imgDim[0]; /** * Build a string in the format [1024,1028,1] * to describe the dimensionality. This is needed for simple itk * to know the dimensions of the image */ QString dimensionString; dimensionString.append(QString("[")); dimensionString.append(QString::number(imgDim[0])); // ToDo: check if we need this for (unsigned i = 1; i < 3; ++i) // always three because otherwise the 3d-geometry gets destroyed // (relevant for backtransformation of simple itk image to mitk. { dimensionString.append(QString(",")); dimensionString.append(QString::number(imgDim[i])); npy_dims[0] *= imgDim[i]; } dimensionString.append("]"); // the next line is necessary for vectorimages npy_dims[0] *= pixelType.GetNumberOfComponents(); // default pixeltype: unsigned short NPY_TYPES npy_type = NPY_USHORT; if( pixelType.GetComponentType() == itk::ImageIOBase::DOUBLE ) { npy_type = NPY_DOUBLE; } else if( pixelType.GetComponentType() == itk::ImageIOBase::FLOAT ) { npy_type = NPY_FLOAT; } else if( pixelType.GetComponentType() == itk::ImageIOBase::SHORT) { npy_type = NPY_SHORT; } else if( pixelType.GetComponentType() == itk::ImageIOBase::CHAR ) { npy_type = NPY_BYTE; } else if( pixelType.GetComponentType() == itk::ImageIOBase::INT ) { npy_type = NPY_INT; } else if( pixelType.GetComponentType() == itk::ImageIOBase::LONG ) { npy_type = NPY_LONG; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UCHAR ) { npy_type = NPY_UBYTE; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UINT ) { npy_type = NPY_UINT; } else if( pixelType.GetComponentType() == itk::ImageIOBase::ULONG ) { npy_type = NPY_LONG; } else if( pixelType.GetComponentType() == itk::ImageIOBase::USHORT ) { npy_type = NPY_USHORT; } else { MITK_WARN << "not a recognized pixeltype"; return false; } // creating numpy array import_array1 (true); npyArray = PyArray_SimpleNewFromData(npy_nd,npy_dims,npy_type,array); // add temp array it to the python dictionary to access it in python code const int status = PyDict_SetItemString( pyDict,QString("%1_numpy_array") - .arg(varName).toStdString().c_str(), - npyArray ); + .arg(varName).toStdString().c_str(), + npyArray ); // sanity check if ( status != 0 ) return false; command.append( QString("import numpy as np\n")); //command.append( QString("if '%1' in globals():\n").arg(varName)); //command.append( QString(" del %1\n").arg(varName)); command.append( QString("%1_array_tmp=%1_numpy_array.copy()\n").arg(varName)); command.append( QString("%1_array_tmp=%1_array_tmp.reshape(%2,%3,%4)\n").arg( varName, - QString::number(imgDim[1]), - QString::number(imgDim[0]), + QString::number(imgDim[1]), + QString::number(imgDim[0]), QString::number(pixelType.GetNumberOfComponents()))); command.append( QString("%1 = %1_array_tmp[:,...,::-1]\n").arg(varName)); command.append( QString("del %1_numpy_array\n").arg(varName) ); command.append( QString("del %1_array_tmp").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute( command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return true; } mitk::Image::Pointer mitk::PythonService::CopyCvImageFromPython( const std::string& stdvarName ) { // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionarry PyObject *pyDict = PyModule_GetDict(pyMod); mitk::Image::Pointer mitkImage = mitk::Image::New(); QString command; QString varName = QString::fromStdString( stdvarName ); command.append( QString("import numpy as np\n")); command.append( QString("%1_dtype=%1.dtype.name\n").arg(varName) ); command.append( QString("%1_shape=np.asarray(%1.shape)\n").arg(varName) ); command.append( QString("%1_np_array=%1[:,...,::-1]\n").arg(varName)); command.append( QString("%1_np_array=np.reshape(%1_np_array,%1.shape[0] * %1.shape[1] * %1.shape[2])").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); PyObject* py_dtype = PyDict_GetItemString(pyDict,QString("%1_dtype").arg(varName).toStdString().c_str() ); std::string dtype = PyString_AsString(py_dtype); PyArrayObject* py_data = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_np_array").arg(varName).toStdString().c_str() ); PyArrayObject* shape = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_shape").arg(varName).toStdString().c_str() ); size_t* d = reinterpret_cast(PyArray_DATA(shape)); unsigned int dimensions[3]; dimensions[0] = d[1]; dimensions[1] = d[0]; dimensions[2] = d[2]; unsigned int nr_dimensions = 2; // get number of components unsigned int nr_Components = (unsigned int) d[2]; mitk::PixelType pixelType = DeterminePixelType(dtype, nr_Components, nr_dimensions); mitkImage->Initialize(pixelType, nr_dimensions, dimensions); //mitkImage->SetChannel(py_data->data); { mitk::ImageWriteAccessor ra(mitkImage); char* data = (char*)(ra.GetData()); memcpy(data, PyArray_DATA(py_data), dimensions[0] * dimensions[1] * pixelType.GetSize()); } command.clear(); command.append( QString("del %1_shape\n").arg(varName) ); command.append( QString("del %1_dtype\n").arg(varName) ); command.append( QString("del %1_np_array").arg(varName)); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return mitkImage; } ctkAbstractPythonManager *mitk::PythonService::GetPythonManager() { return &m_PythonManager; } mitk::Surface::Pointer mitk::PythonService::CopyVtkPolyDataFromPython( const std::string& stdvarName ) { // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionarry PyObject *pyDict = PyModule_GetDict(pyMod); // python memory address PyObject *pyAddr = nullptr; // cpp address size_t addr = 0; mitk::Surface::Pointer surface = mitk::Surface::New(); QString command; QString varName = QString::fromStdString( stdvarName ); command.append( QString("%1_addr_str = %1.GetAddressAsString(\"vtkPolyData\")\n").arg(varName) ); // remove 0x from the address command.append( QString("%1_addr = int(%1_addr_str[5:],16)").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); // get address of the object pyAddr = PyDict_GetItemString(pyDict,QString("%1_addr").arg(varName).toStdString().c_str()); // convert to long addr = PyInt_AsLong(pyAddr); MITK_DEBUG << "Python object address: " << addr; // get the object vtkPolyData* poly = (vtkPolyData*)((void*)addr); surface->SetVtkPolyData(poly); // delete helper variables from python stack command = ""; command.append( QString("del %1_addr_str\n").arg(varName) ); command.append( QString("del %1_addr").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return surface; } bool mitk::PythonService::CopyToPythonAsVtkPolyData( mitk::Surface* surface, const std::string& stdvarName ) { QString varName = QString::fromStdString( stdvarName ); std::ostringstream oss; std::string addr = ""; QString command; QString address; oss << (void*) ( surface->GetVtkPolyData() ); // get the address addr = oss.str(); // remove "0x" address = QString::fromStdString(addr.substr(2)); command.append( QString("%1 = vtk.vtkPolyData(\"%2\")\n").arg(varName).arg(address) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return true; } bool mitk::PythonService::IsSimpleItkPythonWrappingAvailable() { this->Execute( "import SimpleITK as sitk\n", IPythonService::SINGLE_LINE_COMMAND ); // directly access cpp lib this->Execute( "import _SimpleITK\n", IPythonService::SINGLE_LINE_COMMAND ); m_ItkWrappingAvailable = !this->PythonErrorOccured(); // check for numpy this->Execute( "import numpy\n", IPythonService::SINGLE_LINE_COMMAND ); if ( this->PythonErrorOccured() ) MITK_ERROR << "Numpy not found."; m_ItkWrappingAvailable = !this->PythonErrorOccured(); return m_ItkWrappingAvailable; } bool mitk::PythonService::IsOpenCvPythonWrappingAvailable() { this->Execute( "import cv2\n", IPythonService::SINGLE_LINE_COMMAND ); m_OpenCVWrappingAvailable = !this->PythonErrorOccured(); return m_OpenCVWrappingAvailable; } bool mitk::PythonService::IsVtkPythonWrappingAvailable() { this->Execute( "import vtk", IPythonService::SINGLE_LINE_COMMAND ); //this->Execute( "print \"Using VTK version \" + vtk.vtkVersion.GetVTKVersion()\n", IPythonService::SINGLE_LINE_COMMAND ); m_VtkWrappingAvailable = !this->PythonErrorOccured(); return m_VtkWrappingAvailable; } bool mitk::PythonService::PythonErrorOccured() const { return m_ErrorOccured; }