[open] Tobii EyeTracker TX300 PyGaze

Comments

• Edwin

  November 2014 edited 1:03AM

  Hi Anna,

  The error you receive is due to the fact that we did not include the Tobii SDK in the standalone OpenSesame package. You could opt for downloading the portable package, which does include the Tobii SDK.

  See under WinPython on this page

  Good luck!
• aklingau

  November 2014 edited 1:03AM

  Hi Edwin,

  thank you for your help!
  But I am a little confused. If I download the portable package, there is no pygaze plugin at all.
  I found the basic.py file in the tobii.eye_tracking_io folder (under python, how confusing!) and tried to copy it to the right location (/pygaze/_eyetraker) but that did not work either. Open Sesame still gives the same error. Perhaps I copied it to the wrong location or the whole idea was stupid.

  So, what did I do wrong?
• Edwin

  November 2014 edited 1:03AM

  There should be two packages, pygaze and tobii. These should be two separate folders in WinPython-OpenSesame-0.27.3\python-2.7.3\Lib\site-packages. If this is the case, you do not have to copy anything anywhere.

  If you find anything else, please report back, and we will sort out where to go from there.
• aklingau

  November 2014 edited 1:03AM

  This is the case.
  I was confused that I do not have the pygaze plugin when I start the portable version (means: no pygaze items for drag and drop).
  But now I think you mean I have to use Inline Scripts and then it should work? Is that right?
  Sorry for my stupid questions, I am a beginner.
• Edwin

  November 2014 edited 1:03AM

  Ah, all right, that's very good! This means all of the basic libraries are there. Note that these are Python libraries, which are written in the same programming language as OpenSesame is. We use Python to run OpenSesame, which is why you need to have those libraries in Python.

  However, the plug-ins are specific to OpenSesame. So if you want to use the PyGaze plug-ins, you will have to add those to OpenSesame's plugins folder. In the WinPython package, you can find it at the following location:

  WinPython-OpenSesame-2.8.3\OpenSesame\opensesame-2.8.3\plugins

  You can find the PyGaze plug-ins online (click here to download). After downloading, unzip the archive. Then copy the contents of opensesame_plugins to the OpenSesame plug-ins folder. NOTE: you do not have to copy the folder artwork, but you will need all of the others.

  Additionally, OpenSesame does indeed allow you to use Python directly, via inline_script items. This means you can use PyGaze directly via those. However, the plug-ins provide roughly the same functionality and are easier to use. Since you mention you are a beginner, I would advise using the plug-ins first.

  Good luck!
• aklingau

  November 2014 edited December 2014

  Thank you very much for your help!
  The plugin kind of works and the old error is gone. Instead, I have a new error

  Unexpected error
  line: 6
  exception message: DLL load failed: %1 ist keine zulssige Win32-Anwendung.
  exception type: ImportError
  
  Traceback (also in debug window):
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\OpenSesame\opensesame-2.8.3\libqtopensesame\misc\process.py", line 139, in run
      exp.run()
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\OpenSesame\opensesame-2.8.3\libopensesame\experiment.py", line 294, in run
      self.items[self.start].run()
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\OpenSesame\opensesame-2.8.3\libopensesame\sequence.py", line 57, in run
      self.experiment.items[item].run()
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\OpenSesame\opensesame-2.8.3\plugins\pygaze_init\pygaze_init.py", line 198, in run
      u'eyelink_pupil_size_mode'))
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\python-2.7.3\lib\site-packages\pygaze\eyetracker.py", line 86, in __init__
      from pygaze._eyetracker.libtobii import TobiiTracker
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\python-2.7.3\lib\site-packages\pygaze\_eyetracker\libtobii.py", line 55, in <module>
      from tobii.eye_tracking_io.basic import EyetrackerException
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\python-2.7.3\lib\site-packages\tobii\eye_tracking_io\__init__.py", line 5, in <module>
      from tobii.eye_tracking_io._native import tetio, BoundHandler
    File "C:\Users\ewadmin\Downloads\WinPython-OpenSesame-2.8.3\python-2.7.3\lib\site-packages\tobii\eye_tracking_io\_native\__init__.py", line 6, in <module>
      import _tetiopy27
  ImportError: DLL load failed: %1 ist keine zulssige Win32-Anwendung.
  
• Edwin

  December 2014 edited 1:03AM

  Thanks for posting the full error!

  Two comments, which aren't very optimistic, I'm afraid:

  1) The problem seems to be in a Tobii library, where a wildcard isn't filled out with the proper value. This seems to lead to the library not being able to find a library it's looking to import.

  2) The problem is in the Tobii library, and I don't have a Tobii device around, so I can't debug it.

  I'll have a look around the Dept., maybe I can find a Tobii somewhere and test the plug-ins.