[Insight-developers] Hi I m writing an itk filter which required the different dimension of input and output images.

[Williams, Norman K]

you need to template your class over both the input image type and the
output image type.


Either that, or it should work to do something like this:

template <class TInputImage>
testClass
{
public:
  static const int OutputDimension(TInputImage::ImageDimension - 1);
  typedef double OutputVectorElementType;
  typedef VectorImage<OutputVectorElementType,OutputDimension>
OutputImageType;
};

Now I didn't actually compile this example, but static const scalars are
legal in C++ to use as template parameters, because their value can be
determined at compile time.

On 7/17/11 8:19 PM, "丁昊" <tin.dinghao at gmail.com> wrote:

>Hi all
>I m writing an itk filter which required the input dimension to be
>different from the output dimension.
>
>I would like to use the vector image as the output type, but the
>declaration of the vector image's dimension need to be static const.
>
>I know I can use the itkStaticConstMacro, but the output image's
>dimension need to be calculated in the GenerateData() funktion.
>
>How am I suppose to implement this?
>
>
>Hao
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