Matlab ginput mouse click freezes and does not obtain coordinates
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Cristina Miguel Palao
le 18 Mai 2022
Commenté : Lavanya
le 22 Sep 2022
I am working on a Matlab code in App Designer that consists on two images showed side by side, and ginput to select similar points on both. By this I mean, that I am doing Point Registration, to obtain a transformation matrix.
To do so, I use ginput to obtain the coordinates on one image, and on the other. This is done for several images, so that a for loop is utilized and with each iteration, new images on the right are shown for new point registration, while the image on the left remains.
The problem is, at some point and on random images, ginput stops working. Suddenly, when you click right button of the mouse, the coordinates are not retrieved, and it just remains that way. The selection axis move, but the point cannot be selected. The weird thing is that it happens at random moments, and on a code where it did not used to happen.
Does anyone know why ginput would do that and stop retriving coordinates? I have tried adding pause times before selections and clearing variables to release memory.
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Benjamin Thompson
le 9 Juin 2022
Do not use ginput with AppDesigner. Here is some related discussion and some alternatives:
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Lavanya
le 22 Sep 2022
How to get cursor point without using @mouseclickFcn in the above 'ginputuiax.m' file
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