Visual recognition not finding elements / capture Sikuli visual automation debug info

I have trouble to make the visual automation work. I installed Sikuli as described in the instructions (I think) and when starting a flow Sikuli seems to start in the background.

But when trying to interact with an element there is an error:

ERROR - cannot find example.png on screen

When using the SikuliX IDE in tagui.sikuli to interact with the element it works without a problem.

[yolibernal]

I just tested the script with an image taken with the Sikuli IDE and it worked fine. Before I was using a screenshot selection taken with macOS Grab, which produces an image with a much higher resolution than the image taken with the IDE.

Might it be that the handleFindFailed occurs due to timeout caused by the higher resolution? I imagine that the algorithm would take much longer to execute in that case. Or Grab changes the image slightly when saving.

[kensoh]

Hi Abhi, thanks for sharing your findings I appreciate it! I hear before a friend was saying some Retina display the resolution density is higher, so snapshots captured with the defaulting image capture tool may be different from what computer sees.

This is the issue with details on this Retina display issue and solution. User changed the PPI from 144 to 72 to get it working.

https://github.com/kelaberetiv/TagUI/issues/896#issuecomment-753711855