[mitk-users] Run time error when trying to manipulate some input images

[Miri Trope]

Hi everyone,

I manipulated the ability to select and manipulate four 3D input images
from a known type (all of them have the same type). I mean that the user
has to pick four images on mitk platform and run my module.
But it returns a run-time error which described below. That run time
returned after the command:
myModulePointer->Update();

In addition below is my code, please help me to figure it out. It's just my
first time to manipulate things like that ...

run time error
==========
Unhandled exception at 0x7d4e237e in MyApp.exe: Microsoft C++ exception:
itk::ExceptionObject at memory location 0x00d9b640..
First-chance exception at 0x7d4e237e in MyApp.exe: Microsoft C++ exception:
[rethrow] at memory location 0x00000000..
==========

MyPlugInView.cpp
-----------------
void MyPlugInView::DoImageProcessing()
{
  std::vector<mitk::DataNode*> nodes = this->GetDataManagerSelection();
  myModule::Pointer myModulePointer = myModule::New();

  while(!nodes.empty()) // set the input images to const member pointers of
class MyModule
  {
    mitk::DataNode* node = nodes.back();
    nodes.pop_back();
    mitk::BaseData* data = node->GetData();
    mitk::Image* image = dynamic_cast<mitk::Image*>( data );

    // I did the next assignment for each image by switching an index in
[N=1:numOfImages]
   // these assignments really work! each command assigns the input image
to her member pointer
    myModulePointer->SetinputImage_N(image);
    ...
  }
    myModulePointer->Update();// here I get the run time error
}

MyModule.h
-------------
class MyModuleLib_EXPORT MyModule : public mitk::ImageToImageFilter
{
public:
  void MyFunction( mitk::Image::Pointer outputImage );
  // pointers to mitk selected input images
  mitk::Image::ConstPointer m_inputImage_1;
  mitk::Image::ConstPointer m_inputImage_2;
  mitk::Image::ConstPointer m_inputImage_3;
  mitk::Image::ConstPointer m_inputImage_4;

  void GenerateData();

protected:
  MyModule();
  ~MyModule();
};

MyModule.cpp
------------
void MyModule::MyFunction( mitk::Image::Pointer outputImage )
{
  itk::Image < ImageType > ::Pointer    itkImage_1;
  mitk::CastToItkImage(m_inputImage_1, itkImage_1); // in order to get rid
of the const pointer of mitk input image
  mitk::CastToMitkImage(itkImage_1, outputImage); // in order to view my
result
}

MyModule::MyModule():
m_inputImage_1(0),m_inputImage_2(0),m_inputImage_3(0),m_inputImage_4(0)
{
  this->SetNumberOfInputs(4); // four selected inputImages
}

MyModule::~MyModule()
{
}

void MyModule::GenerateData()
{
    mitk::Image::Pointer outputImage = this->GetOutput();
    MyFunction( outputImage );
}

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