screen's background color

[Christophe Pallier]

Helle

When displaying a TextLine stimulus, the background_colour argument only applies to the rectangular surface where the text is rendered.
Is there a way to fill the entire screen with the background colour.

ideally, I would like to change the background colour for the whole expyriment (black is a problem).
I tried to modifiy the properties of the screen of the experiment object, but I failed.

Best,
 

[Florian Krause]

Hi Christophe,

you can change `expyriment.design.defaults.experiment_backround_colour` (http://docs.expyriment.org/expyriment.design.defaults.html#expyriment.design.defaults.expyriment.design.defaults.experiment_background_colour) before initializing.

Best,

Florian

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[Christophe Pallier]

Thanks a lot ! I am still not very good navigating the documentation.

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Christophe Pallier <chris...@pallier.org>
INSERM-CEA Cognitive Neuroimaging Lab, Neurospin, bat 145,
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[Oliver Lindemann]

hi,

there are two ways to do that. Either you plot a TextLine on a Canvas/BlankScreen:

tmp_stim = expyriment.stimuli.TextLine(text="Hello World", position=(-200, 100),
                                       background_colour=(255,0,0), text_colour=(255,255,255))
stim = expyriment.stimuli.BlankScreen(colour=tmp_stim.background_colour)
tmp_stim.plot(stim)

stim.present()

or, you change the colours of the whole experiment:

exp = expyriment.design.Experiment(background_colour=(255,0,0), foreground_colour=(255,255,255))
expyriment.control.initialize(exp)

Oliver

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[Oliver Lindemann]

Yes, the defaults and settings are really not well documented.

Oliver

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