Re: touchscreen calibration again

From: Matthew Reimer <mreimer_at_vpop.net>
Date: Tue, 04 May 2004 10:00:06 -0500

Michael Opdenacker wrote:

> Hi Lau,
>
> Thank you very much for proposing your help! You seem to be the right
> guy with the right skills for this topic.
>
> I was thinking I could write a C program that some of us could run to
> produce the list of points that you need for a thorough analysis.
> Actually, the program would first display a grid image on the screen
> (as you suggested), and then users would have to press on each grid
> node in the right order (say left to right, top to bottom). My program
> would output the expected coordinates as well as the measured ones. It
> shouldn't be too difficult to code, and not difficult to use either
> (though it would perhaps take volunteers 10 minutes to complete).

Instead of showing a grid, it would probably be better to just show
crosshairs at the point where a sample is needed, one at a time, in
order to minimize the chance of user error.

Matt
Received on Tue May 04 2004 - 14:59:20 EDT

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