[Insight-users] Creating itkHistogramImageToImageMetric object fails

[Bill Lorensen]

It is because the class is a subclass of itkObject and itkObject has a
New() method.

Bill

On Wed, Apr 21, 2010 at 7:53 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> I have no idea. Perhaps a doxygen expert can comment.
>
> Bill
>
> On Wed, Apr 21, 2010 at 3:31 PM, Maarten Beek <beekmaarten at yahoo.com> wrote:
>> Ok that makes sense.
>> But why do I then see a New() method in the doxygen documentation on the
>> web?
>>
>> ________________________________
>> From: Bill Lorensen <bill.lorensen at gmail.com>
>> To: Maarten Beek <beekmaarten at yahoo.com>
>> Cc: insight-users at itk.org
>> Sent: Wed, April 21, 2010 3:17:47 PM
>> Subject: Re: [Insight-users] Creating itkHistogramImageToImageMetric object
>> fails
>>
>> HistogramImageToImageMetric has no New() method. It is an abstract
>> class. It can only be used as a base class. You need to create one of
>> its derived classes.
>> http://public.kitware.com/Insight/Doxygen/html/classitk_1_1HistogramImageToImageMetric.html
>>
>> Bill
>>
>> On Wed, Apr 21, 2010 at 10:41 AM, Maarten Beek <beekmaarten at yahoo.com>
>> wrote:
>>> Why does the following code not compile?
>>>
>>> const unsigned int Dimension = 3;
>>> typedef double ImagePixelType;
>>> typedef itk::Image<ImagePixelType, Dimension> ImageType;
>>> typedef itk::HistogramImageToImageMetric<ImageType,ImageType> HistType;
>>> HistType::Pointer Metric = HistType::New();
>>>
>>> error C2440: 'initializing' : cannot convert from 'itk::Object::Pointer'
>>> to
>>> 'itk::SmartPointer<TObjectType>'
>>>
>>>
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>>
>>
>