[vtkusers] The vtkImageConstantPad

[Darshan Pai]

Yes that worked perfect . Thanks

On Wed, Jun 23, 2010 at 8:10 AM, David Gobbi <david.gobbi at gmail.com> wrote:

> In order to pad on the left, you must adjust the image Origin and
> Extent at the same time.  This can be done with
> vtkImageChangeInformation, if you know the image spacing ahead of
> time:
>
> translator = vtkImageChangeInformartion();
> translator.ExtentTranslation(padx, pady, padz);
> translator.OriginTranslation(-padx*xspacing, -pady*yspacing,
> -padz*zspacing)
>
> pad = vtkImagePadFilter()
> pad.SetInputConnection(translator.GetOutputPort())
> etcetera.
>
> In all honesty, though, someone should add an option to
> vtkImagePadFilter so that it can shift the image and pad it at the
> same time.
>
>  David
>
>
> On Tue, Jun 22, 2010 at 10:55 PM, Darshan Pai <darshanpai at gmail.com>
> wrote:
> > I want to use pad the MRI data with zero values . Now vtkImageConstantPad
> > does what I need but it adds the constant only at the Positive ends of
> the
> > dimension . Can I pad the data so that constant can be added to the zero
> > ends .
> >
> > Regards
> > Darshan
> >
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