Psychopy3 images **unknown resource** error

Online experiments
1

evening all,
I am taking my first steps with the online version (3.0.1) of psychopy, and didn’t get very far. I implemented a very simple SART test as a sequence of images.
The script runs fine on the local machine, when run via the internet, all images load, but then things fall apart.

  • when setting the image of ImageStim: SartPic
  • when getting the value of resource: n4_0.jpg
  • unknown resource

Am I overlooking something very basic??

2

Please include the link to the online version (either the run url or the gitlab.pavlovia url) so we can investigate with the actual code.

thanks

3

oops, sorry… and thanks for the superfast response!

the code is here

more than happy to email the psychopy file.

I am running this on a windows 10 PC and chrome
Version 71.0.3578.98 (Official Build) (64-bit)

thanks very much for your help!

georg

4

No need. The beauty of sending me the exp URL is that I get everything I need.

OK, so looking at your conditions file it looks like every one of the filenames has a space at the end of it in the cell. Unfortunately that might mean that PsychoJS is trying to find a file literally called "n4_0.jpg " rather than “n4_0.jpg”

Try doing a find ".jpg " replace with “.jpg” and see if that helps

1 Like
5

Thanks for your help - much appreciated!

Changing the names solved the issue. The script now runs for a few trials, but then complains about

  • when setting the autoDraw attribute of stimulus: SartPic
  • the PIXI representation of the stimulus is unavailable

The images were all created in the same way (matlab) so I am not sure why some should work while others don’t.

6

Hi, I encountered the same problem when I use the online experiment. This problem did not occur in local experiment. The experiment runs for a few trials, but then interrupted with below error:

FATAL unknown | {"origin":"MinimalStim.setAutoDraw","context":"when setting the autoDraw attribute of stimulus: image2_probability","error":"the PIXI representation of the stimulus is unavailable"}