[visionegg] Re: flicker
- From: alessandra.stella@xxxxxx
- To: visionegg@xxxxxxxxxxxxx
- Date: Mon, 14 Mar 2005 17:17:15 +0100
Dear Andrew,
thank you for your help: the scripts works great!
I have a question about two parameters (0.5 and 0.5: i tryed to play with
this two values but i couldn't obtain what i need!) you set in the function
defined to control the flicker:
def get_target_color(t):
val = 0.5+0.5*sin(temporal_freq*pi*t)
return (val,val,val,1.0) # RGBA
how can I modify them in order to have:
-a stimulus that changes from white to mean grey (instead from white to
black as it is at present)
-a square function from white to mean grey (and viceversa) instead of a
sinusoidal one?
Thank you!
Cheers, Alessandra
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