Re: mouse rotation for fltk backend

[Kai Habel]

Am 19.07.2010 09:34, schrieb Soren Hauberg:
> son, 18 07 2010 kl. 20:49 +0200, skrev Kai Habel:
>   
>
>> To make it fully usable I have removed the zooming and panning limits in
>> axes::properties::zoom_about_point and axes::properties::translate_view.
>> Was there a specific reason to introduce them?
>>     
> If memory serves me correct (but it rarely does...) these functions
> ensure that you don't end up zooming or panning too far away from data.
> With the latest code (which includes your changeset) you can try to
>
>   backend fltk
>   plot (sin (1:100))
>
> and then click (and hold down) the mouse on the plot and move to the
> left. You'll see that you can move the view as far away from the data as
> you like. The old code ensured that you never moved the view somewhere
> where nothing could be seen. Basically, you were only allowed to pane
> and zoom inside the bounding box of the data.
>
> Soren
>   
Hello Soeren,

if that was the sole reason, we can remove these limits, since the user
can always press the A (autoscale)-button to get back to the original view.

Kai