[vtkusers] How to pass a vtk object between python to C++

[Yi-Yu Chou]

Hi,
I would like to pass a vtk object (vtlimageData) between python to my own
C++ class using SWIG. The structure of my code would be like :
// A.py
from imgReg import *
.......
img1 = vtkImageData()
IR = ImgReg() <----- my own C++ function
IR.SetImg(img1)
.......

//imgReg.i
%module imgReg
{% 
#include "imgReg.h"
%}
#include imgReg.h

//imgReg.h
#include "vtkImageData.h"
class imgReg {
public :
   imgReg();
  ~imgReg();
  SetImg(vtkImageData *);
};

My question is :
1. Is this available by using SWIG ?
2. Do I need to include vtkImageData.h in my imgReg.i ?
3. Because vtkImageData.h contains other .h files, do I 
   need to include all of them ? And how to include ?(they are a lot)
4. How to build the module _imgReg.so with so many .h file ?
   g++ -shared imgReg.o imgReg_wrap.o -o _imgReg.so ?

Thanks in advance !!!!!!!

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