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<body class='hmmessage'><BR>Thank you for your answer.<BR>
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The vtkDicomImageReader actually works, but I have some LINK error while instantiating vtkVolumeRayCastMapper.<BR>
<BR>
( vtkVolumeRayCastMapper *mapper = vtkVolumeRayCastMapper::New() )<BR>
<BR>
Anyway, is the vtkDicomImageReader build a 3D mesh using the 2D dicom serie, or just generate a data set ?<BR>
<BR>
In this last case, how can I display it in my igstk::View3D ? I suppose I have to build a mesh with it ?<BR>
<BR>
I guess there is a VTK class which takes a volume VTK data set and build a mesh with it, but I don't know which class :S.<BR>
<BR>
Anyway, thanks for your answer, and I'm all ears if anyone knows how to generate a 3D object from my 2D Dicom series for displaying in a igstk::View3D<BR><BR><BR><BR>
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From: w_e_b_m_a_s_t_e_r_6_9@hotmail.com<BR>To: cocorim@hotmail.fr<BR>CC: vtkusers@vtk.org<BR>Subject: RE: [vtkusers] 3d reconstruction<BR>Date: Thu, 22 May 2008 00:44:50 +1000<BR><BR>
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<DIV style="TEXT-ALIGN: left">You can actually read in a DICOM file as a 3D object just using VTK.<BR><BR>vtkDICOMImageReader *dicomReader = vtkDICOMImageReader::New();<BR> dicomReader->SetDirectoryName( "C:\\dicomfolder\\");<BR><BR>Have a look at Ray Cast Mapping as well (vtkVolumeRayCastMapper). I'm not sure if there is a better way though. With this approach, the image has to reduce its image quality (goes a bit blurry) while you move the camera. Then once you are finished moving around it will return to its original quality.<BR><BR>Alternatively you can read it in using ITK, and then convert it back to VTK. I haven't tried this, so maybe someone can let you know the best way to do it.<BR><BR>Regards,<BR>Cameron.<BR></DIV><BR>
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From: cocorim@hotmail.fr<BR>To: vtkusers@vtk.org<BR>Date: Wed, 21 May 2008 13:48:12 +0200<BR>Subject: [vtkusers] 3d reconstruction<BR><BR>
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Hi all !<BR> <BR>Maybe the problem has already been exposed, and I'm sorry if it was.<BR> <BR>I've managed to made a basic DICOM Viewer. It has 4 views ; 3 views to axial, coronal ans sagittal orientation, and a tridimentionnal view for 3d reconstruction.<BR> <BR>I'm using igstk::View2D and igstk::View3D.<BR> <BR>I instantiate a CTImageSpatialObject in which I put the CT Image from the CTImageReader.<BR>Then I put the CTImageSpatialObject into a CTImageSpatialObjectRepresentation and I give it to the igstk::View2D.<BR> <BR>It's working properly and I can navigate into slides in the three 2D views.<BR> <BR>My problems is now how to perform a 3D reconstruction of the DICOM and display it in the 3D View.<BR> <BR>I've search on the net and on the mailing list for some help, but all this is still a little unclear to me.<BR>I just know that ITK and VTK has to be used, but I have no idea of how.<BR> <BR>If you can help me on that or at least show me the way for begin, I would be very greatfull.<BR> <BR>Thanks a lot !<BR><BR>
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