[Insight-users] using itkGradientVectorFlowFilter

[Bill Lorensen]

Peter,
After a quick look, I agree that the class is still under construction. There is no test, nor is their an example. We are investigatin the problem,

Bill


At 11:06 AM 4/15/02 +0200, Pieter Vos wrote:
>Hello,
>
>As a gradient input for the deformable model I would like to use the
>itkGradientVectorFlowFilter. However, when calling the constructor I get a
>lot of error which go back to the .txx-file. Could it be that the class
>is still under construction? Is there an example available which explains
>the use of the class? 
>I am working on a Linux machine and use the most updated version of itk.
>
>Thanks for the help.
>----------------------------
>
>This is the the code:
>
>  const unsigned int myDimension = 3;
>  typedef itk::Image<double, myDimension>       myImageType;
>
>  typedef itk::CovariantVector<double, myDimension> myGradientType;
>  typedef itk::Image<myGradientType, myDimension>  myGradientImageType;
>
>  typedef itk::GradientVectorFlowImageFilter <
>                                        myImageType ,
>                                        myGradientImageType > 
>                                        myVectorFlowFilter;
>                                
>  myVectorFlowFilter::Pointer vectorFlowFilter=myVectorFlowFilter::New();
>
>This is the error:
>
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx: In
>method `void
>itk::GradientVectorFlowImageFilter<TInputImage,
>TOutputImage>::InitInterImage () [with TInputImage =
>myImageType, TOutputImage = myGradientImageType]':
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx:43:   instantiated
>from `itk::GradientVectorFlowImageFilter<TInputImage,
>TOutputImage>::GenerateData () [with TInputImage = myImageType,
>TOutputImage = myGradientImageType]'
>/usr/include/g++-3/std/ldcomplex.h:74:   instantiated from here
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx:79: cannot
>convert `const
>itk::Image<double, 3> *' to `myImageType *' for argument `1' to
>`itk::SimpleImageRegionIterator<TImage>::SimpleImageRegionIterator (TImage
>*, typename
>TImage::RegionType &) [with TImage = myImageType]'
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx:43:   instantiated
>from `itk::GradientVectorFlowImageFilter<TInputImage,
>TOutputImage>::GenerateData () [with TInputImage = myImageType,
>TOutputImage = myGradientImageType]'
>/usr/include/g++-3/std/ldcomplex.h:74:   instantiated from here
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx:82: no
>matching function for
>call to
>`itk::SimpleImageRegionIterator<myImageType>::SimpleImageRegionIterator
>(itk::SmartPointer<itk::Image<myGradientType, 3> > &, const
>itk::ImageRegion<3> &)'
>/data/cemri/Insight/Code/Common/itkSimpleImageRegionIterator.h:119: candidates
>are:
>itk::SimpleImageRegionIterator<TImage>::SimpleImageRegionIterator () [with
>TImage = myImageType]
>/data/cemri/Insight/Code/Common/itkSimpleImageRegionIterator.h:124:
>itk::SimpleImageRegionIterator<TImage>::SimpleImageRegionIterator (TImage
>*, typename
>TImage::RegionType &) [with TImage = myImageType]
>/data/cemri/Insight/Code/Common/itkSimpleImageRegionIterator.h:133:
>itk::SimpleImageRegionIterator<TImage>::SimpleImageRegionIterator (const
>itk::ImageIteratorWithIndex<TImage> &) [with TImage = myImageType]
>/data/cemri/Insight/Code/Common/itkSimpleImageRegionIterator.h:88:
>itk::SimpleImageRegionIterator<myImageType>::SimpleImageRegionIterator
>(const
>itk::SimpleImageRegionIterator<myImageType> &)
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx:43:   instantiated
>from `itk::GradientVectorFlowImageFilter<TInputImage,
>TOutputImage>::GenerateData () [with TInputImage = myImageType,
>TOutputImage = myGradientImageType]'
>/usr/include/g++-3/std/ldcomplex.h:74:   instantiated from here
>/data/cemri/Insight/Code/Algorithms/itkGradientVectorFlowImageFilter.txx:94: invalid
>types `double[int]' for array subscript
>
>
>
>-- 
>Pieter Vos
>UMZ Radboud Nijmegen
>The Netherlands
>mailto:pieterv@radiology.azn.nl
>
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