[Paraview] Question about inheritance in paraview(vtk)

[Michael Jackson]

In your .cxx file add #include "vtkDICOMImageReaderVector.h" and the  
other classes that are just forward declared in the header file.

_________________________________________________________
Mike Jackson                  mike.jackson at bluequartz.net
BlueQuartz Software                    www.bluequartz.net
Principal Software Engineer                  Dayton, Ohio



On Mar 9, 2009, at 2:17 PM, Biao She wrote:

> Hi everyone. This might be a silly question, but I am really confused.
> I am writing a class inherites from vtkDICOMImageReader. In the  
> header file of vtkDICOMImageReader class, there are some forward  
> declaration of these classes: vtkDICOMImageReaderVector, DICOMParser  
> and DICOMAppHelper. The definition of these classes are included in  
> the .cxx file. Normally, I should be able to use the methods in  
> those classes in my class. However, I found that whenever I want to  
> use something like "this->Parser->ClearAllDICOMTagCallbacks()" in my  
> class. The compiler gives me back an error says that "invalid use of  
> undefined type 'structure DICOMParser". In the above, "Parser" is an  
> instance of DICOMParser. The same situation also happen to  
> DICOMAppHelper and vtkDICOMImageReaderVector.
> Thanks very much for any of your help.
>
> Biao
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