[vtk-developers] Gesture events

Ken Martin ken.martin at kitware.com
Thu Feb 18 08:44:07 EST 2016


You can send multiple gestures at once down to VTK and I'm pretty sure the
multitouch camera style will handle them intermixed (it does not use state
with the gestures). But if sending low level events VTK will only recognize
one at a time. Most widgets in VTK store a state, that is where I believe
multiple concurrent gestures will prove awkward.  We could add a combined
RST gesture event if we want that, so it would still be one gesture/state
but it would support all three interactions at once.

Thanks
Ken


On Thu, Feb 18, 2016 at 8:15 AM, Lonni Besançon <lonni.besancon at gmail.com>
wrote:

> Hi Ken,
>
> Great to read that you've been working on that, I have been modifying
> classes in android as well in order to kind of include gesture recognition.
> Wouldn't giving the possibility to recognise multiple gestures at a time
> better suit the needs of multitouch interaction (the RST technique is based
> on that principle right?).
>
>
>
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Ken Martin PhD
Chairman & CFO
Kitware Inc.
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