[Insight-users] Question about the origin of an image

[Bill Lorensen]

Yes, it is the top left.

VTK's coordinate system is flipped vertically.


On Wed, Mar 12, 2008 at 10:19 AM, Anja Ende <anja.ende at googlemail.com> wrote:
> Hi everyone,
>
> When I do the following while reading an image:
>
> double origin[3] = {0.0};
> image->SetOrigin(origin);
>
> Does this set the origin to the top left of the first slice of the volume?
>
> The reason that I ask is when I visualize this in VTK (after using the
> OrientImageFilter), I am getting a flip in the vertical axes and I am
> thinking that this might be the reason.
>
> Does normally one set the origin to (0.0, 0.0, 0.0). Can anyone here
> who have used ITK and VTK together advice on the best way to handle
> this?
>
> Cheers,
>
> Anja
> _______________________________________________
> Insight-users mailing list
> Insight-users at itk.org
> http://www.itk.org/mailman/listinfo/insight-users
>