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Re: [Playerstage-users] Player/Gazebo timed out request laser:0:request:3
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From: Dominic R. <dc...@ab...> - 2013-01-31 10:56:53
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Thanks Nate, Rich,
As you suggested, I commented out the code in LaserInterface so that it
just publishes a blank message (commenting out the whole matchmessage
statement resulted in a player error). This solved the first problem
perfectly.
However, changing the "model_name" (or switching it out for "gz_id") to
"hokuyo::link::laser" still results in a warning about field model_name
being defined but not used. Just for testing I tried switching it out with
"pioneer2dx" and didn't get a warning, so I suppose that I just have the
name wrong. Any ideas?
If it helps, my ultimate aim is to have a pioneer2dx model with a laser on
it (essentially something that has laser and moves) but I am happy to
settle with just a stationary laser for the moment.
Dominic
> Hello,
>
> I believe your player config file has one error.
>
> The part:
> driver
> (
> name "gazebo"
> provides ["laser:0"]
> model_name "hokuyo"
> )
>
> Should be:
> driver
> (
> name "gazebo"
> provides ["laser:0"]
> model_name "hokuyo::link::laser"
> )
>
> I changed model_name to point to the <sensor> within the hokuyo. This is
> necessary because a model may have many lasers.
>
> -nate
>
>
> On Tue, Jan 29, 2013 at 11:11 AM, Dominic Roberts <dc...@ab...> wrote:
>
>>
>> Hello,
>>
>> I'm using Gazebo 1.2 and Player 3.1. I'm trying to get a laser reading
>> from player/gazebo but they really don't like me enough to do what I
>> want.
>>
>> Gazebo starts fine, outputting no errors or warnings (world file at end
>> of
>> post). The GUI starts up and shows me the hokuyo sitting in a blank
>> world
>> with the blue laser scan coming out. I then start up Player (config file
>> at end of post):
>>
>> Output from Player:
>>
>> [snip]
>> success
>> GazeboDriver::GazeboDriver
>> Gazebo Plugin driver creating 1 device
>> 6665.31.0 is a simulation interface.
>> Msg Waiting for master
>> Msg Connected to gazebo master @ http://localhost:11345
>> GazeboDriver::GazeboDriver
>> Gazebo Plugin driver creating 1 device
>> 6665.6.0 is a laser interface.
>> test.cfg:15 warning: field [model_name] is defined but not used
>> Listening on ports: 6665
>>
>> I have a very simple player client, as follows:
>>
>> [snip]
>> PlayerCc::PlayerClient robot("localhost");
>> PlayerCc::LaserProxy laser(&robot,0);
>> for(;;) {
>>
>> laser.RequestConfigure(); // failing here!
>> laser.RequestGeom();
>>
>> // read from the proxies
>> printf("before read\n");
>> robot.Read();
>> printf("after read\n");
>>
>> // print out laser
>> printf("laser:\n");
>> std::cout << laser << std::endl;
>> }
>>
>> This compiles fine but when I run the client program I get the following
>> output:
>>
>> playerc error : timed out waiting for server reply to request
>> laser:0:request:3
>>
>> This seems to be failing on the requestconfigure() function. I assume
>> that
>> this is linked to player's warning about the field name "model_name" not
>> being used?
>>
>> My config file for player is as follows:
>>
>> driver
>> (
>> name "gazebo"
>> provides ["simulation:0"]
>> plugin "libgazebo_player"
>> world_name "default"
>> )
>>
>> driver
>> (
>> name "gazebo"
>> provides ["laser:0"]
>> model_name "hokuyo"
>> )
>>
>> My world file for gazebo is as follows:
>>
>> <?xml version="1.0" ?>
>> <gazebo version="1.2">
>> <world name="default">
>> <!-- Ground -->
>> <include>
>> <uri>model://ground_plane</uri>
>> </include>
>>
>> <include>
>> <uri>model://hokuyo</uri>
>> </include>
>>
>> <!-- A global light source -->
>> <include>
>> <uri>model://sun</uri>
>> </include>
>>
>> </world>
>> </gazebo>
>>
>> I'd really appreciate some help with this, this is for my dissertation
>> and
>> it's driving me completely nuts.
>>
>> Thanks,
>> Dominic
>>
>>
>>
>>
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