[RQt-devel] How to control a scroll bar from command line?

[Michael Lawrence]

On Mon, Apr 11, 2011 at 10:03 PM, Tengfei Yin <yintengfei at gmail.com> wrote:

> Hi
>
> I came across a problem, when I zoom in a view by using view$scale(), it
> end up with a vertical or horizontal scroll bar, so my question is that, how
> to move this viewport to a specific spot on the view without using the mouse
> and keep the same scale. I mean is there a convenient way to control the
> scroll view directly from command line, I tried centenOn() on the view
> object, it doesn't work, looks like the center of the view never moved and
> only the viewport visible window is changed.
>
>
Could you please say this another way? centerOn() should scroll the viewport
so that the given point is centered, if possible. Note that it takes scene
coordinates.



> Thanks
>
> Tengfei
>
> --
> Tengfei Yin
> MCDB PhD student
> 1620 Howe Hall, 2274,
> Iowa State University
> Ames, IA,50011-2274
> Homepage: www.tengfei.name
>
>
>
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