[vtkusers] Getting a pixel value from an image

[lydia many]

Hi
2d pixel, I want to read a pixel value from vtkimagedata and change the 
value and write again to this vtkimagedata
>From: katia Aberkane <nissou1978 at yahoo.fr>
>To: lydia many <vtklydia at hotmail.com>
>Subject: Re: [vtkusers] Getting a pixel value from an image
>Date: Mon, 22 Oct 2001 11:24:36 +0200 (CEST)
>
>
>  Can you explain your problem in a more detailed way? meaning which kind 
>of update would you like to perform (2d pixel into 2d pixel) or (2d pixel 
>into 3d pixel). This will make a big difference...
>   lydia many <vtklydia at hotmail.com> wrote:
>
>
> >Hi
> >Is it possible to get a value of a pixel from an image, to modify it and
> >then to write it to the Image?
> >
> >
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