Trouble with impoly (open) misinterpreting mouse click

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CAM
CAM am 22 Jul. 2019
Beantwortet: Shashwat Bajpai am 8 Aug. 2019
Our users need to find the area under a curve. We use impoly (open), and they trace the curve on an image. However they are having an intermittant and unpredictable problem where part way through their tracing, Matlab ends the trace -- as if it has read a double-click, instead of a single-click. The users have already tried tracing slower and being careful to only click once per point, but the problem still occasionally occurs.
I have been unable to locate a similar problem, let along solution, during internet searches.
Any help you can offer would be greatly appreciated.
  1 Kommentar
CAM
CAM am 25 Jul. 2019
Further internet searches reveal that this could be a WIndows-10 issue. Many users report the double-click misinterpretation in general with that OS. We are attempting some of the suggested solutions that are easier to implement (change mouse double-click speed and plugging mouse directly into the computer, instead of a USB hub or docking station).

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Antworten (3)

Shashwat Bajpai
Shashwat Bajpai am 7 Aug. 2019
I was unable to reproduce the problem on my end on Windows-10. Please try re-installing MATLAB and contact technical support if the problem still persists.

CAM
CAM am 7 Aug. 2019
The users are running a compiled version of the application with Matlab runtime. I do not get the error on my development computer, because it is not running Win10. So reinstalling Matlab will not solve this issue.
I am wondering if writing a subclass of impoly that intercepts the double-click will do the trick.

Shashwat Bajpai
Shashwat Bajpai am 8 Aug. 2019
I would suggest using the drawpolygon function if the problem is still persisting. Even MATLAB suggests using drawpolygon instead of impoly.

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