[vtkusers] vtkImageMapper cuts off images

[John Biddiscombe]

Might be caused by OpenGL clipping the image due to the edge being right on
the edge of the window, does it still get cut if you do

imgActor->SetPosition(0.01,0.01);
imgActor->SetPosition2(0.99,0.99);


JB

----- Original Message -----
From: "Steffen Oeltze" <Steffen.Oeltze at Student.Uni-Magdeburg.DE>
To: "Vtkusers (E-mail)" <vtkusers at public.kitware.com>
Sent: Monday, October 28, 2002 3:33 PM
Subject: [vtkusers] vtkImageMapper cuts off images


> Dear VTK-users,
>
> I'm using a vtkImageMapper to display slices of 256x256xK and 512x512xK
> volumes. I want the slices to fill in the whole render window. Therefore,
> I use:
>
> imgMapper->RenderToRectangleOn();
>
> together with:
>
> imgActor->SetPosition(0.0,0.0);
> imgActor->SetPosition2(1.0,1.0);
>
> This works fine for my 256x256xK volumes but the slices of the 512x512xK
> volumes are cut off. I have to enlarge the render window to see all of the
> slice. The same happens (also to my 256x256xK volumes) when I make the
render
> window significantly smaller than 256x256 (512x512).
>
> Can anybody explain this behaviour ?
>
> Steffen
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