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List:       vtkusers
Subject:    Re: [vtkusers] Create an approximate cross-section of a RT ROI
From:       "Lars Friedrich Lars" <lars-friedrich () gmx ! net>
Date:       2010-05-04 5:55:33
Message-ID: 20100504055533.64860 () gmx ! net
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Hi Xiaofeng,

just an idea:
- produce a surface from the axial contours by using vtkVoxelContoursToSurfaceFilter \
                (which works quite well provided your source contours are evenly \
                distributed)
- take vtkCutter(s) with plane implicit functions that define your new contouring \
orientation(s) and cut the volume to produce new contours from that directions

HTH,
lars


-------- Original-Nachricht --------
> Datum: Mon, 3 May 2010 20:12:22 -0400
> Von: Xiaofeng Z <xf10036@hotmail.com>
> An: VTK <vtkusers@vtk.org>
> Betreff: [vtkusers] Create an approximate cross-section of a RT ROI

> 
> Hi vtkUsers,
> 
> I have a set of contours in axial orientation representing a ROI.  I need
> to sketch the ROI in coronal and sagittal plane, by connection the points
> made from the intersection of the contours and the cutting plane.  Is there
> a function to do that in vtk or in ITK?
> 
> I know the result is not "precise" in a sense that the contours make this
> way is not always consistent between themselves.  But it seemed to be the
> only viable way to sketch a ROI in a multi-planar rendering in real time.
> 
> Many thanks!
> Xiaofeng
> 
> 
> 
> 		 	   		  
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