[vtkusers] gridTransform

[Pallavi Joshi]

  Hi,
  Thanks  a lot ...it works !!
  --Pallavi

    ----- Original Message ----- 
    From: Glen Lehmann 
    To: Pallavi Joshi 
    Cc: VtkUsers 
    Sent: Thursday, August 12, 2004 2:53 PM
    Subject: Re: [vtkusers] gridTransform


    Hi Pallavi,

    You can use vtkTransform to setup your rotation and then provide the transform to vtkImageReslice via vtkImageReslice->SetTransform. You may find it useful to use vtkImageChangeInformation->CenterImageOn() first so that you are rotating about the center of your image. Then, make sure you set each of the output whole extent, extent, and origin (probably to the same as the input) in vtkImageReslice before you Update. 

    Cheers,
    Glen

    On Aug 12, 2004, at 2:24 PM, Pallavi Joshi wrote:



      Hi,
      I want to rotate my vtkImageData. This vtkImageData is actually dx,dy,dz displacement field vectors for non rigid deformation. Now I want to rotate the entire data so that it is aligned with the mesh which I finally want to deform with this deformation field.  Can anybody tell me how to rotate the vtkImageData without being converted to a mesh.
      Thanks,
      Pallavi
       
       

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