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SubjectRe: [PATCH] input: Add a detailed multi-touch finger data report
>> Right. :-) I believe the ellipse model is adequate, because it is the
>> simplest model that allows for utilization of the orientation of a
>> single finger, for instance to turn a knob. At this point, it seems
>> like tough enough a challenge.
>>
>
> Maybe; but modeling this as a parallelogram or trapezoid may be easier
> to deal with computationally when you stroke a path from the data, to
> which you may have fit a spline....

I believe the word "ellipse" is taken too literally here. Orientation
and eccentricity are two parameters describing a non-circular
object. I does not have to be realized as ellipses on a screen.


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