[visionegg] Re: [visionegg]

  • From: "Smith, Mason" <masonrs@xxxxxxxxx>
  • To: <visionegg@xxxxxxxxxxxxx>
  • Date: Thu, 11 Jan 2007 13:18:11 -0500

Thanks for your reply Bart.  I directly set the 'on' parameter to True
and I get the same problem (test_on_param.py).

I also tried using Texture stimuli loaded from jpegs instead of Text
stimuli, and the images displayed as they was supposed to
(testImage.py).  So this appears to be specific to Text stimuli.

I haven't been using the Presentation class at all, I've just been
drawing the stimuli objects directly.  Still, it seems to me like these
scripts should work as intended.

---------------------------------------------------------------
Mason Smith
Research Technician, Language and Cognitive Architectures Lab
University of Michigan, Department of Psychology 530 Church St., Ann
Arbor, MI 48109-1043
Lab: East Hall, Room B380     Phone: (734) 764-6827
Fax: (734) 763-7480     Email: masonrs@xxxxxxxxx

-----Original Message-----
From: visionegg-bounce@xxxxxxxxxxxxx
[mailto:visionegg-bounce@xxxxxxxxxxxxx] On Behalf Of Bart Geurten
Sent: Thursday, January 11, 2007 12:52 PM
To: visionegg@xxxxxxxxxxxxx
Subject: [visionegg] Re: [visionegg]

Hi Mason,

I had a quick look at your scripts. I would recommend to use
the on attribute that every stimulus has got. You need to build a 
controller that sets the attribute to 1 for "on screen" and 0 if you 
wish not to show it.

something along that, if p ist your presentation instance:


def stim_on_func(t):
     if t < = 15.0:
         return 1
     else:
         return 0

stim_on_controller = FunctionController(during_go_func=stim_on_func)

p.add_controller(stimulus,'on',stim_on_controller)

hope I could help

Bart


Smith, Mason schrieb:
>  
> 
> Hi,
> 
> I'm getting this odd bug where Text objects are sometimes not 
> displaying.  I'm attaching some test scripts that create Text objects 
> and viewports and try to display them.  In test.py, the second Text 
> object does not display; the screen is just blank after the first line

> of text finishes displaying.  test2.py, by contrast, works as
intended, 
> with first one line of text appearing and then the second.  The only 
> difference between the two files is that in test2.py, the second Text 
> object is created before the viewport for the first Text object is 
> drawn, whereas in test.py the order is reversed.  test3.py tries to
draw 
> four screens of text but only the first one gets displayed when I run 
> it.  Do you know what's going on here?
> 
> ---------------------------------------------------------------
> Mason Smith
> Research Technician, Language and Cognitive Architectures Lab
> University of Michigan, Department of Psychology 530 Church St., Ann 
> Arbor, MI 48109-1043
> Lab: East Hall, Room B380     Phone: (734) 764-6827
> Fax: (734) 763-7480     Email: masonrs@xxxxxxxxx
> 
>  
> 


-- 
Bart Geurten
Diplom Biologe
Lehrstuhl fuer Neurobiologie
Fakultaet fuer Biologie
Universitaet Bielefeld
Postbox 10 01 31
33501 Bielefeld
Germany

tel: + 49 (0)521 106 - 5737
fax: + 49 (0)521 106 - 89034
Email: bart.geurten@xxxxxxxxxxxxxxxx
http://www.uni-bielefeld.de/biologie/Neurobiologie/index.html
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