[Insight-users] GetGradientImage() ?

[Bill Lorensen]

Look in ImageToImageMetric. The method ComputeGradient() uses the moving image.

On Wed, Sep 16, 2009 at 9:38 AM, motes motes <mort.motes at gmail.com> wrote:
> Ah yes the black magic macros, I am constantly getting confused about those.
>
> But when using that macro how is it decided which image (fixed or
> moving) the gradient is returned from? In the metric something like
> this is written:
>
>     const GradientPixelType gradient =
> this->GetGradientImage()->GetPixel( mappedIndex );
>
>
> But its that from the moving or fixed image?
>
>
>
> On Wed, Sep 16, 2009 at 1:30 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>> The method is defined by the macro:
>>  /** Get Gradient Image. */
>>  itkGetConstObjectMacro( GradientImage, GradientImageType );
>> defined in itkImageToImageMetric.h which is a superclass of
>> itkMeanSquaresImageToImageMetric.
>>
>> Bill
>>
>> On Tue, Sep 15, 2009 at 5:12 PM, motes motes <mort.motes at gmail.com> wrote:
>>> Where is the GetGradientImage() function defined? I the file:
>>>
>>>     itkMeanSquaresImageToImageMetric.txx
>>>
>>> it is used like this:
>>>
>>>
>>>      const GradientPixelType gradient =
>>> this->GetGradientImage()->GetPixel( mappedIndex );
>>>
>>> But when I try to go to the definition I just get an error that it
>>> does not exists. I have also tried looking at:
>>>
>>>
>>>   http://www.itk.org/Doxygen/html/classes.html
>>>
>>> But its not possible to search for member functions only classes.
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>>
>