[Insight-users] [Insight-developers] use templated value as another templated parameter

[Cory Quammen]

Yi,

typedef itk::Image<double, typename TOutputImage::ImageDimension>
InternalImageType;

should work.

Hope that helps,
Cory

On Wed, Jun 15, 2011 at 8:52 PM, Gao, Yi <gaoyi.cn at gmail.com> wrote:
> Hi all,
>
> The email title seems to be strange.... My situation is:
>
> 1. I want to design an image filter class.
>
> 2. The filter class is templated over the input and output image
> types, like this:
>
> template<typename TInputImage, typename TOutputImage>
> class filter
> {
>   computeSomething();
> }
>
> 3. In the member function computeSomething(), I need an intermediate
> image storage, which is like:
>
> typedef itk::Image<double, TheDimensionOfInputImage> InternalImageType;
>
> Therefore I need to get the TheDimensionOfInputImage from the input
> image and define this new template, but I knew that putting
> GetImageDimension() there won't work....
>
> Could I know if there's a way of doing that?
>
>
> Thanks!
>
> Best,
> yi
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-- 
Cory Quammen
Computer Integrated Systems for Microscopy and Manipulation (CISMM)
Department of Computer Science
University of North Carolina at Chapel Hill
http://www.cs.unc.edu/~cquammen