We rollout new monitors all the time (all touch screens) and each time one breaks and we need to put in a new one, we have to calibrate it. Is there a way to auto calibrate upon swapping out the monitor so nobody has to do it? We won't have people there to calibrate it... Is there a INI file that sets the calibration or something? We can send out that file to all the computers and that would work, but I'm not quite sure how these work. Thanks
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The answer to this question is easy. No, it cant be done. The reason why you need to calibrate each monitor is because the touch screen sensor (resistive or capacitive) is an analog signal that will be different for each monitor.
If you use the file from another calibrated monitor the offset between the image and the touch sensor will almost always be to far off to be usable and the calibration would have to be run.
The only way to automate this would be to create a mechanical jig that automatically touches the screen in the correct spot.
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by: Darr247Posted on 2008-07-22 at 16:26:19ID: 22064618
Most touch screen drivers have calibration utils in the Control Panel. After starting the util you simply touch 3 spots on the screen where fingertip-size circles appear, one by one, and it's done... that corrects for parallax error as well, in case the user always has to view the monitor from an angle (of course, then it appears to be out of calibration when viewed straight on).
Have you really had a lot of customers complaining they couldn't calibrate their screens?