Re: judo_without_texture + "robot demonstration in Paris"

Hi,

I just created this judo_without_texture.wbt world that should allow you 
to run the contest world properly without the texture. Please let me 
know if that fixes temporarily the problem. I hope I could understand 
what's really going on with this Gdk-ERROR...

I also added a corresponding judo.wbt world since it was slightly 
modified from the version included in Webots 4.0.16: Thanks to Frans, I 
added the red color to the led list of available colors and re organized 
the colors in a more rational way. Please see  
http://cyberboticspc1.epfl.ch/judowiki/Colors_20for_20the_20robot_20LEDs 
for details (refer to version 4.0.17 which is not yet released).

I am now upgrading my Mac OS to 10.2.8 to see if Webots still runs on 
it. Expect a few improvements on the new Mac OS version of Webots...

I am currently vey busy, but it's nice to see the contest growing. We 
are now 26 competitors! In the next few weeks, I will probably implement 
the following:

1) avoid self penetration of robot joints (I saw too much robots doing 
impossible moves due to self penetration of joints).

2) Improve the GPS / compass / inclinometer stuff (or integrate the work 
of Mike). By the way, did anyone had a chance to test if the new version 
of Mike works as expected (especially the inclinometer). I would really 
appreciate some feedback on this before integrating it into the 
Controller class.

I also have to check the servo_motor_off() functions and investigate why 
Webots crashes on some Linux configurations and Mac OS X configurations...

>I've experienced the same problem in todays match, or something like 
>it... I've changed the settings in webots to 16ms per update, as it 
>seems like 32ms was slower than what was happening on the server. 
>maybe you could tell us which settings to use, as it seems to have 
>quite an impact on robot-behavior. I think it sounds like a good 
>idea to compute a match without any graphics in a mode like step-by-
>step. the match doesn't really have to be transmitted directly over 
>the internet? What also didn't seem to be working was my camera. 
>normally sonovabic gets up straight away when he falls over.

Here is my .webotsrc preferences file:

version:              4.0.16
startupMode:          RUN
displayAxes:          FALSE
displaySensorRays:    FALSE
displayLights:        FALSE
runRealTime:          TRUE
windowX:              907
windowY:              32
windowWidth:          358
windowHeight:         345
basicStep:            32
refreshRate:          2
hyperGatePort:        10014
defaultWorldName:     judo_supervised.wbt
userPath:             /var/www/cgi-bin/contest

Naveed wrote:

>Hi , 
>
>Todays match I saw chunky falling down in every set. Strange, since I 
>havent updated any code. Is there a change in friction cofecients 
>again?
>  
>
No, I didn't changed anything.

David Kocher wrote:

>I have exactly the same problem here on latest Debian when trying to load the 
>judo world 
> 
>Gdk-ERROR **: BadPixmap (invalid Pixmap parameter) 
>  serial 412634 error_code 4 request_code 54 minor_code 0 
>Gdk-ERROR **: BadPixmap (invalid Pixmap parameter) 
>  serial 412635 error_code 4 request_code 54 minor_code 0 
>Gdk-ERROR **: BadAccess (attempt to access private resource denied) 
>  serial 412640 error_code 10 request_code 143 minor_code 5 
> 
>Quoting Bothari <[email protected]>: 
> 
>  
>
>> 
>>I've already try the bzip archive and got the same Gdk-ERROR 
>>problem. Don't know what are the dependencies of webots to 
>>maybe choose the correct "gdk". 
>> 
>>I have just discovered that there is a "judo_without_texture.wbt" in  
>>the webots16 bzip archive. This one seems to be working well on 
>>my linux mandrake 9.1 configuration, except that it doesn't accept my  
>>Judoka class file. 
>> 
>>So, olivier, is it possible to allow the use of this without_texture  
>>version for linux webots ? 
>> 
>>----------- 
>> 
>>Let's talk about s.. something else :) 
>> 
>>I noticed there was a lot of french people involve in the contest, 
>>if these people are living in Paris, I suppose they know about this : 
>>http://www.mcjp.asso.fr/psept2003/hommes_et_robots/demonstration/index2.html 
>> 
>>If I succeed to get a ticket, I will probably be there this evening  
>>for the ASIMO robot demonstration. You won't miss me, I got the face  
>>shown on my flag.png ;) 
>>I missed the previous one (PaPeRo and PINO presentation) because it  
>>was crowded ! 
>> 
>>Bothari, waiting 
>> 
>> 
>>    
>>
>>>HI, I'm a linux user also (Slackware).  After reading your problems 
>>>I have just installed the latest webots release (.16) from the 
>>>tar/bzip archive.  It works fine for me (in fact smoother than the 
>>>old version), might I suggest you try installing from this archive 
>>>rather than the rpm, just extract it to the place where you want it 
>>>installed. 
>>>
>>>If this doesn't work you might try upgrading GDK (are you using 
>>>Gnome?). 
>>>
>>>Dominic
>>>
I appreciate any more feedback you could have on this Linux / gdk 
problem. I will try Webots on other Linux configurations I have here, 
but I am afraid it will work everywhere...

-Olivier

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