[visionegg] Re: ephys_gui

Hi again,

I just updated to Windows 98 SE and now everything works fine (exept that there is a little graphical mess on the screen when I switch between the EphysServer and the EphysGUI window - but I think that is due to the fact that it is build to run on different PCs)
As far as I explored the ephysGUI first of all I can present the stimuli provided in the "stimulus" bar (and I am really enthusiastic about it) targets and gratings are more or less all I need.
Is there the option of loading parameters of other demofiles into the EphysGUI?
E.g how can I extend the "Target stimulus" with a random dot background? Do I have to write a whole new .py-file or can I load it somewhere from the demo files?

Thank you again for your help.
     Cheers
                Joe

joe voss wrote:

Hi,
I use a "fresh installed" Windows 98 PC and there is nothing on it exept "NBS Presentation" and the Python and Visionegg stuff. The PC has not even a network card. So I doubt that a firewall is the problem.
Cheers
Joe

Andrew Straw wrote:

Dear Joe,

Your error from ephys_server indicates some problem with networking, and I second Ethan's suggestion of checking your firewall settings.

It is certainly possible to run ephys_server and ephys_gui on the same computer.

> Then I tried to start the ephys_server and got the note:
>
> 2004-10-07 13:08:03,809 (-255899) INFO: Script
> C:\Programme\visionegg source\dem
> os\ephys_server.py started Vision Egg 0.9.9 with process id -255899.
>
> pyro_server = VisionEgg.PyroHelpers.PyroServer()
> File
> "C:\PROGRA~1\VISION~2\PYTHON~1\Lib\site-packages\VisionEgg\PyroHelpers.py

> ", line 61, in __init__
> self.daemon = Pyro.core.Daemon()
> File
> "C:\PROGRAMME\VISIONEGG\PYTHON221\lib\site-packages\Pyro\core.py",
> line 5
> 56, in __init__
> raise DaemonError('Couldn\'t start Pyro daemon: ' +str(errormsg))
> DaemonError: Couldn't start Pyro daemon: (10047, 'Address family not
> supported')

As far as this error:

> Whe I try to run the EPhys_gui, the EPhysGUI Connect window appears,
> hostname and port number are:
> Bio1_4152 (this computer)
> 7766
> When I press Enter I receive the message:
>
> an unhandled exeption was caught.
> Pyro.errors.URIError: unknown host

I guess this has something strange to do with how the hostnames are resolved by the Vision Egg code when running in Windows... Once you have the server running, try entering "127.0.0.1" or "localhost" or "whatever.your.computer.name.is.edu" as the hostname.

Finally, Python 2.3.4 should be OK with the ephys_server and ephys_gui. I've updated the webpage to clarify this. I now recommend using it over Python 2.2. Sorry for the confusion.

Cheers!
Andrew



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