Re: [Playerstage-users] Problem with Python library

[<ngo...@is...>]

Hi,

    The pyhton version is 2.5.2, the player/stage version is 3.0.2. After your
    email, I realized that I have two player versions. One is 2.04 in /usr/lib
    and another in is 3.02 in /usr/local/lib. Probably this is confusing the
    python interpreter.

    I have removed the old version of player/stage and now it is working,
    although the installation script does not place the python wrapper in a
    standard location. I add to manually add the directory to the python path
    before I could import the python wrapper for player.

    Thanks,

       Nelson Gon\c calves

Citando Rich Mattes <jp...@gm...>:

> Which version of python are you using?  Are there any relics from a
> previous install of Player?
>
> Rich
>
> On 02/03/2011 10:44 AM, ngo...@is... wrote:
>> Hi,
>>
>>      I have compiled and installed Player 3.0.2 on a Debian machine and
>> I am using the Python library for controlling a Pioneer P3AT robot.
>>
>>      I can read the odometry and the sonars without any problem, but
>> for some strange reason I cannot control the motor wheels. And yes, I
>> have enabled the motors. Also, I can control the robot through the
>> playerjoy and playerv utilities.
>>
>>       Whenever I send a velocity command, with
>> "set_cmd_vel(linVel,0.0,angVel,1)"
>> the Player server complains with:
>>
>> "warning : decoding failed on message to position2d:0 with type command:1"
>>
>>     I have also tried running the example given, but again the robot
>> does not move and the Player server complains with the same error. Any
>> thoughts on what is going on ?
>>
>>       Nelson Gon\c calves
>>
>> ---
>> Learning to eat soup with a knife
>> http://thinkingolivetree.blogspot.com/
>>
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>
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