Re: Thursday's match - crashes

--- In [email protected], Olivier Michel
<Olivier.Michel@c...> wrote:
> Hi,
> 
> >I am using Webots under Windows-XP and it crashes after a number of
> >reloads (5 to 10 times) of the Judo world and my controller.
> >Currently I am testing dive attacks, and Webots never continues after
> >the first hard contact.
> >Webots especially seems to crash when one robot (the feet) penetrates
> >(i.e. more the merely touches) the other robot.
> >  
> >
> That sounds like a physics engine problem... Could you send me a sample 
> Judoka0 program crashing Webots this way ? I would like to be able to 
> reproduce this problem and eventually fix it.

Hi Olivier,

You can take the files from the Kimaita files section. The robot will
start in combat mode with the dive (make sure there is no file
"development.dat" in the controller runtime directory, then it
possibly uses different moves). 
I have uploaded the Judoka0 class (encapsulating Judoka1) which makes
Judoka1 run as Judoka0. (I use this to use my own robot as sparring
partner).

If you need the sources, I can email them, just ask.

- Frans
> 
> >Anybody: is Webots under Linux more stable?
> >  
> >
> I believe this problem is not platform dependant (but Iam not sure
yet). 
> More generally, I would say that the Linux version of Webots is a
little 
> bit more stable than the Windows one.
> 
> >If it is stable there, I will switch to the Linux version.
> >  
> >
> On Linux, it is very useful if you have a nVidia graphics card to 
> install the nVidia drivers from www.nvidia.com. The same applies with 
> recent ATI cards where drivers can be found on www.ati.com. This allows 
> for accelerated OpenGL and Webots will run much faster. On Windows, 
> accelerated drivers are usually already installed.

I'll try it anyhow, just to get going with Linux and JBuilder under
Linux. I do have a nVida card, and a recent linux driver installed.


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