Set mouse pointer resolution a.k.a sensitivity interactively?

[Peter Hutterer]

On Wed, Jan 07, 2015 at 02:22:41PM +0100, Simon Thum wrote:
> Hi Peter,
> 
> the third column is for offsets, you should only ever use these with
> absolute coordinates/devices so that's fine. Scaling, shearing and rotation
> should be possible with the first two columns, and those also make (some)
> sense for relative devices.
> 
> http://en.wikipedia.org/wiki/Transformation_matrix

thanks. I realised this shortly after I sent the first email when Hi-Angel
posted the matrix. bit of a facepalm moment :)

Cheers,
   Peter

> 
> On 01/05/2015 10:30 PM, Peter Hutterer wrote:
> >On Mon, Jan 05, 2015 at 08:43:41PM +0100, Simon Thum wrote:
> >>You can use xinput properties, those can also be set via inputclass sections
> >>if I'm not mistaken.
> >>
> >>man xinput should get you to it, if not install xinput. Two optionas can be
> >>used to achive what you describe:
> >>
> >>Coordinate Transformation Matrix (140): 1.000000, 0.000000, 0.000000,
> >>0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
> >
> >fwiw, for relative devices the only thing you can do here is rotation (we
> >drop the third column), I don't think you can use the matrix to slow the
> >mouse down. unless there's some matrix that I'm not aware of.
> >
> >Cheers,
> >    Peter
> >
> >>Device Accel Constant Deceleration (271):       1.000000
> >>
> >>With the former you can do anything, the latter can only be used to slow
> >>down using values > 1.
> >
> >>On 01/05/2015 04:47 PM, Hi-Angel wrote:
> >>>I am one of those crazy peoples who don't want the pointer to be
> >>>accelerated: so, if I moved the mouse m space, the pointer would be
> >>>always moved n space — no matter how fast/slow I did it.
> >>>I just want the pointer to move faster, i.e. increase its sensitivity.
> >>>My search gave me that the only solution is to insert  in «xorg.conf»
> >>>in section «mouse InputDevice section» file a line like
> >>>
> >>>Option "Resolution" "400"
> >>>
> >>>But of course I don't quite believe: how many times a user would
> >>>needed to restart XServer to find an apropriate pointer speed? Five?
> >>>Ten? More? So, in the end I decided to ask here: is there some command
> >>>to set a pointer resolution?
> >>>_______________________________________________
> >>>xorg at lists.x.org: X.Org support
> >>>Archives: http://lists.freedesktop.org/archives/xorg
> >>>Info: http://lists.x.org/mailman/listinfo/xorg
> >>>Your subscription address: %(user_address)s
> >>>
> >>_______________________________________________
> >>xorg at lists.x.org: X.Org support
> >>Archives: http://lists.freedesktop.org/archives/xorg
> >>Info: http://lists.x.org/mailman/listinfo/xorg
> >>Your subscription address: %(user_address)s
> >>
> >