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Hi IGSTK users,<br><br>I use igstk::CTImageReader and igstk::MRImageReader to load two set files, and use vtkImageBlend make the fusion. The code snippet is:<br><br>&nbsp;&nbsp; &nbsp;VTKImageObserver::Pointer vtkImageObserver = VTKImageObserver::New();<br>&nbsp;&nbsp; &nbsp;m_CTImageSpatialObject-&gt;AddObserver( igstk::VTKImageModifiedEvent(), vtkImageObserver );<br>&nbsp;&nbsp; &nbsp;m_CTImageSpatialObject-&gt;RequestGetVTKImage();<br><br>&nbsp;&nbsp; &nbsp;if ( vtkImageObserver-&gt;GotVTKImage())<br>&nbsp;&nbsp; &nbsp;{<br>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;vtkCTImage = vtkImageObserver-&gt;GetVTKImage();<br>&nbsp;&nbsp; &nbsp;}<br><br>&nbsp;&nbsp; &nbsp;......<br><br>&nbsp;&nbsp; &nbsp;vtkImageBlend *blend = vtkImageBlend::New();<br>&nbsp;&nbsp; &nbsp;blend-&gt;SetInput(vtkCTImage);<br>&nbsp;&nbsp; &nbsp;blend-&gt;SetInput(vtkMRImage);<br>&nbsp;&nbsp; &nbsp;blend-&gt;SetOpacity(0,opacity);<br>&nbsp;&nbsp; &nbsp;blend-&gt;SetOpacity(1,opacity);<br><br>After fusion, I want show them on the four-quadrant view. In my opinion, the result should send to the object of igstk::ImageResliceObjectRepresentation(if wrong, please correct me), i.e., m_AxialPlaneRepresentation, m_SagittalPlaneRepresentation and m_CoronalPlaneRepresentation. but I've no idea about the code. Who can help me? I will be appreciated for any help.<br><br>Regards &amp; Thank you<br><br>Shuiling<br>                                               </body>
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