image uploading with filepool fails (psychopy)

Maria

Hello, i am wrighting a very simple code using the inlinescript from O.S. for psychopy. I want an image from my pc to be displayed (which I have uploaded in file pool) but i keep getting an error.

my script is:

import psychopy.visual
import psychopy.event

win = psychopy.visual.Window(
    size=[400, 400],
    units="pix",
    fullscr=False
)

img = psychopy.visual.ImageStim(
    win=win,
    image="neutral.jpg",
    units="pix"
)

img.draw()

win.flip()

psychopy.event.waitKeys()

The error message I'm getting is:

Error while executing inline script
phase: prepare
item: inline_script
line: 654
exception message: Couldn't find image file 'neutral.jpg'; check path? (tried: C:\Program Files (x86)\OpenSesame\neutral.jpg)
exception type: OSError

Traceback (also in debug window):
  File "dist\libopensesame\inline_script.py", line 150, in prepare
  File "dist\libopensesame\python_workspace.py", line 111, in _exec
  Inline_script, line 13, in <module>
  File "dist\psychopy\visual\image.py", line 110, in __init__
  File "dist\psychopy\visual\image.py", line 275, in setImage
  File "dist\psychopy\visual\basevisual.py", line 655, in createTexture
OSError: Couldn't find image file 'neutral.jpg'; check path? (tried: C:\Program Files (x86)\OpenSesame\neutral.jpg)

Any ideas on how to solve that issue?
Thanks on advance

sebastiaan

Hi Maria,

The file pool is located in a temporary folder. To get the full path to files in the file pool, you therefore need to do:

full_path = pool['my_file_name.jpg']

In your case, that would become:

img = psychopy.visual.ImageStim(
    win=win,
    image=pool["neutral.jpg"], # Look up in file pool!
    units="pix"
)

See also:

• http://osdoc.cogsci.nl/3.1/manual/python/pool/

Cheers,
Sebastiaan

Maria

i replaced the line image="neutral.jpg" with image=pool["neutral.jpg"] as you suggested and i am now getting this error message:

Error while executing inline script
phase: prepare
item: inline_script
line: 12
exception message: name 'pool' is not defined
exception type: NameError

Why is that happening? I am really sorry for the inconvenience but i just began using O.S...Thank you very much for your fast replies!

Maria

I just tried again what you suggested and it works, i can't remember what i did wrong the first time. Thanks again for your time!