URL of experiment: garsiniss [PsychoPy] Description of the problem: The experiment seems to work properly offline, but after syncing and running it online, the polygon size changed, the fixation cross was oversized: [image] Though it supposed to be much smaller (I’ve set it to (1, 1) deg). And I …

Hello, In python, I define a random duration in the following manner randDuration = random()*(2-1)+1 to get random durations lasting between 1 and 2 seconds. Any particular reason why you use degree? See here for some information about screen units Best wishes Jens

The duration needs to be defined with JS code in order to sync experiment with pavlovia (maybe I didn’t understand something, correct me if I’m wrong). I used degrees because it’s pretty convenient, and worked offline. But I could just convert them to any other unit. Is there any other size unit tha…

Hello, PsychoPy should auto-translate the Python-Code to PsychoJS. Best wishes.

Cross-linking other thread by mykolas. Polygon size and location undefined - #2 by thomas_pronk

Polygon size changes after syncing

Online experiments

mykolas_gudaitis March 17, 2021, 11:15am 2

I’ve tried debugging the problem, but the console just showed that polygon size is undefined:

Polygon size and location undefined

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Polygon size changes after syncing

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