P300 configuration box doesn't pop up

Working with OpenViBE signal processing scenarios and doing scenario/BCI design
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jamesLocal
Posts: 27
Joined: Sun Jun 27, 2010 3:44 pm

P300 configuration box doesn't pop up

Post by jamesLocal »

I am having a problem with the P300 speller visualization box. i cann't get it's configuration box when i double click on it. Some other configuration box (of another box) gets displayed. y is it? this happen after i got an update

lbonnet
Site Admin
Posts: 417
Joined: Wed Oct 07, 2009 12:11 pm

Re: P300 configuration box doesn't pop up

Post by lbonnet »

Hello JamesLocal,
am having a problem with the P300 speller visualization box. i cann't get it's configuration box when i double click on it. Some other configuration box (of another box) gets displayed
I just tried to open this box configuration panel, and it worked fine on my latest build from sources.
his happen after i got an update
You mean you are working with the latest svn version ?

Can you give more detail please ? So we can try to reproduce the problem you are experiencing.

NB: The P300 speller visualization box has many settings. Thus it needs some more time to open (Gtk is not so efficient when managing a lot of widgets).
e.g. when double-clicking on it, I need about 1-2 seconds to get it displayed.

Regards,
Laurent
Follow us on twitter >> openvibebci

Checkout my (old) blog for some OpenViBE tips & tricks : here !

jamesLocal
Posts: 27
Joined: Sun Jun 27, 2010 3:44 pm

Re: P300 configuration box doesn't pop up

Post by jamesLocal »

Well, i am working with the latest SVN version, and i got a full update yesterday and reverted all my changes that i had made so far!

When i clicked on new scenario and added a P300 speller visualization box; then i tried the following

i tried selecting it, then the box should get highlighted (yellow colour) that doesn't hapen

Then i can't select and drag it

and i also can't double click on it so the configuration box to appear

but when i add a some other box, and click on the R-Click (p300 speller visualization box) and selected open the configuration box, then the other boxer's cofig dialog box appears and not the p300 config box..

:C

do you know what went wrong

lbonnet
Site Admin
Posts: 417
Joined: Wed Oct 07, 2009 12:11 pm

Re: P300 configuration box doesn't pop up

Post by lbonnet »

i tried selecting it, then the box should get highlighted (yellow colour) that doesn't hapen
It's somehow close to an old problem we still have with Gtk.

Please check in your display settings (your computer graphic settings) the colour quality. It must be "True color", or something like that.
To be more precise, you need to have a color definition >=32 bits.

Please let me know if it changes anything...

Laurent
Follow us on twitter >> openvibebci

Checkout my (old) blog for some OpenViBE tips & tricks : here !

jamesLocal
Posts: 27
Joined: Sun Jun 27, 2010 3:44 pm

Re: P300 configuration box doesn't pop up

Post by jamesLocal »

well yes... that worked, Thanks !

i simply have no idea how that could happen ...

thanks alot for the help

yrenard
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Joined: Fri Sep 01, 2006 3:39 pm
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Re: P300 configuration box doesn't pop up

Post by yrenard »

Dear jamesLocal,

the fact is that we use something similar to a stencil buffer in order to perform picking in the designer. This stencil buffer must be true-color. Unfortunately, GTK won't allow us to draw in that stencil buffer if the desktop setting is different.

That's the reason.

We should probably try to detect this in order to display a warning.

Hope this helps,
Yann

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