Hi Andreas,
Thank you for your answer.
I converted my vtkPolyData into a surface like this:
mitk::Surface::Pointer surface mitk::Surface::New();
surface->SetVtkPolyData(myVtkPolyData);
surface->Update();
Now I'm dealing with an error in my GenerateData function because of this
command:
mitk::Surface::Pointer surface = this->GetOutput();
The error:
"error c2440: ''initializing" : cannot convert from
'mitk::ImageSource::OutputImageType *' to 'mitk::Surface*'
Types pointed to are unrelated; conversion requires reinterpret_cast,
C-style cast or function-style cast"
On Mon, Nov 14, 2011 at 7:45 AM, Miri Trope <[email protected]> wrote:
> Hi again,
>
> I'm trying to process an MRI image. my next task is to extract the head's
> skin.
> In order to do that, I've manipulated that image with some vtk's filters
> and now got an vtkPolyData.
> I'd like to view that, it's my result and I don't know in which way should
> I represent my output image on mitk.
>
> I tried some methods to do so, without a big success.
>
> I tried to convert my data to stencil, but the image looks too spacing.
> anyway, I think that the conversion to stencil is unnecessary, because it
> just extend the conversions.
>
> what is the way to do so, is it with a conversion to a surface?
>
> Please help me, I'm kinda lost...
>
>
> On Sat, Nov 12, 2011 at 7:01 PM, Miri Trope <[email protected]> wrote:
>
>> Hi all,
>>
>> I'd like to view my vtkPolyData on mitk by a pointer to mitk::Image.
>>
>> I have a vtkPolyData image and would like to convert it to an mitk image
>> with a pointer to outputImage which defined:
>>
>> mitk::Image::Pointer outputImage = this->GetOutput();
>>
>> I've already done:
>>
>> vtkPolyData* vtkPol = vtkPolyData::New();
>> mitk::Surface::Pointer surface = mitk::Surface::New();
>> surface->SetVtkPolyData(vtkPol,0);
>> surface->Update();
>> mitk::SurfacToImageFilter* surface2Mitk =
>> mitk::SufaceToImageFilter::New();
>> surface2Mitk->SetInput(surface);
>> surface2Mitk->Update();
>>
>> What should I do in order to get that surface by outputImage?
>> * I'd like to mention again that the conversion to a surface isn't really
>> necessary for me. I just want to view my result from some filters that
>> returned a vtkPolData by an mitk image.
>> * Sascha offered a way to do that with a DataStorage/node, but I don't
>> know how to get that Data into my pointer:
>> mitk::Image::Pointer outputImage = this->GetOutput(0);
>>
>> Any way to do that will be warmly welcome.
>>
>>
>>
>> On Fri, Nov 11, 2011 at 7:21 PM, Fetzer, Andreas <
>> [email protected]> wrote:
>>
>>> Hi Miri,
>>>
>>> if you want to create and image out of a surface you can use the
>>> mitkSurfaceToImageFilter which converts surface data into pixel data.
>>>
>>> Regards
>>> Andreas#
>>>
>>> On 11.11.2011, at 17:32, Miri Trope wrote:
>>>
>>> Hi Miklos,
>>>
>>> My Exception is:
>>> "..\..\..\CMakeExternals\Source\ITK\Code\Common\itkProcessObject.cxx:981:
>>> itk::ERROR: myModule:(18F41FB8): At least 1 inputs are required but only
>>> 0 are specified"
>>>
>>> In the output from Debug of visual studio:
>>> ERROR: In
>>> //\//\CMakeExternals\Source\VTK\Rendering\vtkPolyDataMapper.cxx, line 60
>>> vtkPaintPolyDataMapper (18F4D168) : Mapper has no input
>>>
>>> ERROR: In
>>> //\//\CMakeExternals\Source\VTK\Rendering\vtkOpenGLTexture.cxx, line 196
>>> vtkOpenGLTexture (188432F0): No scalar value found for texture input!
>>>
>>> what might be the reason for that run time error?
>>>
>>> * another conversion question which can save my time: I have a pointer
>>> to a mitk::surface data and would like to view that surface on mitk. I
>>> might need to convert that surface to an mitk::image. how should I do this?
>>>
>>>
>>> Thanks,
>>> Miri
>>> On Thu, Nov 10, 2011 at 11:48 AM, Miklos Espak <[email protected]<mailto:
>>> [email protected]>> wrote:
>>> Hi Miri,
>>>
>>> in your original e-mail there was this line:
>>>
>>> itk::Image < ImageType > ::Pointer itkImage_1;
>>>
>>> now there is these lines:
>>>
>>>
>>> typedef unsigned short InputPixelType;
>>> typedef itk::Image < InputPixelType, 3 > InputImageType;
>>> itk::Image< InputPixelType, 3>::Pointer itkImage_1;
>>>
>>> These are different. In the first case you have a 2D image, in the
>>> second case 3D.
>>>
>>> If the exception is thrown by the Update() function, it means that it is
>>> thrown by the filter's GenerateData function (or from its call chain). So,
>>> I still think that there is a type mismatch during the cast.
>>>
>>> I suggest to put the Update call into an exception handler, catch
>>> itk::ExceptionObject, and print its message. (As I remember, it is the
>>> what() function that tells it to you.)
>>>
>>> Best,
>>> Miklos
>>>
>>> On Thu, Nov 10, 2011 at 9:35 AM, Miri Trope <[email protected]<mailto:
>>> [email protected]>> wrote:
>>> Thank you for tying to help me.
>>>
>>> Casting to the exact input image type is what I tryied to implement
>>> (after checking it with the debugger).
>>> Actually, I ran it again with these commands, but received the mentioned
>>> error.
>>>
>>> typedef unsigned short InputPixelType;
>>> typedef itk::Image < InputPixelType, 3 > InputImageType;
>>> itk::Image< InputPixelType, 3>::Pointer itkImage_1;
>>>
>>> - I'd like to mention again that the error accepted in the following
>>> command:
>>> myModulePointer->Update(); // a command at the file: MyPlugInView.cpp
>>> - My application was generated by the CTK's generator and I just changed
>>> that application in order to get a multiple number of input images (instead
>>> of one input image, as the generator implemented).
>>>
>>>
>>> On Wed, Nov 9, 2011 at 10:42 PM, Miklos Espak <[email protected]<mailto:
>>> [email protected]>> wrote:
>>> Hi,
>>>
>>> are these 2D images?
>>>
>>> The itk::Image template class expects two parameters, the pixel type and
>>> the dimension. For the dimension there is a default value that is 2. That's
>>> why your code does not cause compile error.
>>>
>>> However, you must cast the mitk::Image into exactly the same kind of
>>> itk::Image. If you have a 3D mitk::Image, you cannot cast it into a 2D itk
>>> image. Even the pixel types must be the same.
>>>
>>> In your code:
>>> itk::Image < ImageType > ::Pointer itkImage_1;
>>>
>>> The ImageType name is rather misleading, since a primitive type should
>>> be there, typically.
>>>
>>> Best,
>>> Miklos
>>>
>>> On Wed, Nov 9, 2011 at 8:41 PM, Miri Trope <[email protected]<mailto:
>>> [email protected]>> wrote:
>>> 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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>>
>
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