[vtkusers] How get DICOM image intensity?

[Italo Ribeiro]

Using GetScalarType the type returned is short, i was using int. But the
value maximum showed is 1024 and i see the maximum short value is 32767 and
the intensity value is not corret.

2010/9/10 Jim Peterson <jimcp at cox.net>

> I think GetScalarPointer returns an address of the scalar that still needs
> to be dereferenced according to the scalar type for the image.
>
> I googled  - vtk getscalarpointer - and the class reference is pretty
> complete. you probably need to use GetScalarType to determine how to cast
> the pointer from  GetScalarPointer to dereference the value.
>
>
> Italo Ribeiro wrote:
>
>> Hi,
>>
>> I want get DICOM image intensity of any point. I dont want MIP volume. I
>> am using the code below for get the intensity, but the value is not correct:
>>
>> image->GetScalarPointer(image_coordinate);
>>
>> I see the correct value with software ITKsnap, i must use ITK for get
>> correct intensity value?
>>
>> --
>> Ítalo Mendes
>> ogre.irados.org <http://ogre.irados.org>
>> ------------------------------------------------------------------------
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>


-- 
Ítalo Mendes
ogre.irados.org
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