[ITK] [ITK-users] How to determine PixelType of itk::Image

[Bill Lorensen]

This example may help
http://www.vtk.org/Wiki/ITK/Examples/IO/ReadUnknownImageType
On Mar 15, 2016 8:44 AM, "Dženan Zukić" <dzenanz at gmail.com> wrote:

> Of course it complained, switch statement is for integral types (if I
> remember correctly).
>
> Regards
>
> On Tue, Mar 15, 2016 at 11:39 AM, Lambert Zijp <ljzijp at gmail.com> wrote:
>
>> Hi Dženan,
>>
>> Thank you very much!
>> Visual Studio 9 does not recognize decltype(), but typeid() worked fine.
>> At least, when you make separate if statements, like you did in your
>> example. When tried to use it in a switch statement, the compiler
>> complained.
>>
>> Greetings,
>> Lambert
>>
>>
>> On Tue, Mar 15, 2016 at 2:47 PM, Dženan Zukić <dzenanz at gmail.com> wrote:
>>
>>> Hi Lambert,
>>>
>>> the classic way is using a bunch of if-else's.
>>>
>>> if (decltype(ValueType)==decltype(int))
>>> {
>>> //int specific processing
>>> }
>>> else if (decltype(ValueType)==decltype(itk::RGB<char>))
>>> {
>>> //RGB<char> specific processing
>>> }
>>> ​else if ...​
>>>
>>> ​If you can't use C++11's decltype then use typeid from <typeinfo>​
>>> header.
>>>
>>> Regards,
>>> Dženan
>>>
>>> On Tue, Mar 15, 2016 at 5:48 AM, Lambert Zijp <ljzijp at gmail.com> wrote:
>>>
>>>> I want to write a function that converts an arbitrary ITK image to
>>>> another format (AVS in my case).
>>>> It has been suggested that following functionprototype could de the job:
>>>> template<typename ValueType,unsigned int Dimension>
>>>> int ItkToAvs(AVSfield** ppAvs, typename
>>>> itk::Image<ValueType,Dimension>::Pointer pItkImage);
>>>>
>>>> Now I want to know whether ValueType equals unsigned char or short or
>>>> int etc. Also whether the pixels are single numbers or vectors. How does
>>>> one do that?
>>>>
>>>> Greetings,
>>>> Lambert
>>>>
>>>>
>>>>
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>>>
>>
>
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