[vtkusers] Calculating camera position to view DICOM images

[Jothy]

SetFocalPoint() to imageCentre works!

Cheers

Jothy

On Tue, Jul 12, 2011 at 11:59 AM, Jothy <jothybasu at gmail.com> wrote:

> Hi all,
>
> I am trying to view DICOM images with vtkRenderer. I am using
> FileLowerLeftOn() while reading DICOM images. Now the images are fliped in
> the render window upside-down.
> To correct for this as suggested by David G and others, I am using
> SetViewUp (0,-1,0, incase of axial ot get it in the right orientation). But
> the problem is the images are rendered on top the screen, only half of the
> images is visible. I think I shoud set proper camera position using
> GetActiveCamera()->SetPosition(). How to calculate proper camera position
> for a given Image origin/imageCentre.
>
> Should I also set focalPoint?
>
> Does anyone know these maths?
>
> Thanks very much
>
> Jothy
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20110712/574894c8/attachment.htm>