[vtkusers] vtkInteractorStyleTrackballCamera: panning gets heavy then goes into reverse

[Aashish Chaudhary]

is this problem dependent on distance from the focal point?

- Aashish


On Thu, Nov 14, 2013 at 6:05 PM, Tim Hutton <tim.hutton at gmail.com> wrote:

> I've an odd problem with panning in vtkInteractorStyleTrackballCamera.
> Above a certain threshold of complexity, panning (holding down shift and
> left-dragging) will stop working properly. With more items the scene can no
> longer be dragged around far enough - it feels like it is has got heavy and
> stays in the middle. With even more items the panning actually pulls in the
> opposite direction. Attached an image of such a scene - it's pretty
> reasonable and renders reasonably fast.
>
> I've tested it in VTK 5.10.1 and 6.0.0 and it happens in both.
>
> I've tested on Windows 7 and Windows 8 and Linux (Ubuntu 13.10) and
> strangely it only happens on Windows (both 7 and 8).
>
> Has anyone seen this problem before?
>
> --
> Tim Hutton - http://www.sq3.org.uk -
> http://profiles.google.com/tim.hutton/
>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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