[ITK-users] exponential of values of a pointset

[Ian Malone]

Looks good, thanks very much.

On 12/09/18 18:24, Dženan Zukić wrote:
> Hi Ian,
>
> there are many ways to do some custom processing for unary or binary 
> per pixel operations. This 
> <https://discourse.itk.org/t/thresholding-a-mask/1270/2> and this 
> <https://discourse.itk.org/t/thresholding-a-mask/1270/3> answer to 
> a recent question should help you.
>
> Regards,
> Dženan
>
> On Tue, Sep 11, 2018 at 2:32 PM Ian Malone <i.malone at ucl.ac.uk 
> <mailto:i.malone at ucl.ac.uk>> wrote:
>
>     Hi, I'm writing a filter in ITK-5.0 and trying to get exponential
>     values
>     of pointset data, however I seem to be running into problems with the
>     template for itkExpImageFilter not liking the fact the values are
>     represented as itk::Vector<float, 1u>. Is there any way around this
>     short of writing a filter for it?
>
>     /tmp/myitk/ITK/Modules/Filtering/ImageIntensity/include/itkExpImageFilter.h:
>
>     In instantiation of ‘TOutput itk::Functor::Exp<TInput,
>     TOutput>::operator()(const TInput&) const [with TInput =
>     itk::Vector<float, 1u>; TOutput = itk::Vector<float, 1u>]’:
>
>
>     /tmp/myitk/ITK/Modules/Filtering/ImageIntensity/include/itkExpImageFilter.h:51:69:
>
>     error: invalid static_cast from type ‘const itk::Vector<float,
>     1u>’ to
>     type ‘double’
>           return static_cast<TOutput>( std::exp( static_cast<double>(
>     A ) ) );
>
>
>     Thanks,
>
>     Ian
>
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