This is a gazebo problem. I have yet to get around to fully supporting
the simulation interface. Unfortunately, I have been swamped with
other projects these past few months, and there doesn't seem to be a
reprieve in the near future.
You are more than welcome to take a stab at implementing this
functionality yourself. The majority of the relevant code in in the
player subdir within the gazebo sources.
-nate
On 7/18/06, Radu Bogdan Rusu <[EMAIL PROTECTED]> wrote:
> You need to call isDataReady() on the device before actually attempting to
> get any data out of it.
>
> With regards to the error message that you get, it seems that you've
> discovered a Javaclient bug. Are you using the latest SVN version? If not,
> could you please try with that, and report back either here or on the
> java-player-{users,[EMAIL PROTECTED] mailing lists ?
>
> I will look through the code right now to see if there's something I might
> have missed.
>
> Update: I just checked the latest Javaclient2 SVN and Stage CVS and it works
> fine, so it *might* be a Gazebo problem.
>
> Best,
> Radu.
>
> On Mon, Jul 17, 2006 at 03:34:04PM -0400, Bethany R.Leffler wrote:
> > Thank you very much. I see in the documentation where I am supposed to
> > be able to do this. However, it doesn't seem to be working.
> >
> > I'm using a Java client calling simulation.get2DPose("car1") and
> > getting a warning in player that says:
> >
> > "warning : decoding failed on message to 31:0 with type 2"
> >
> > then when I call simulation.getData() or sim.isPose2DReady() it returns
> > null.
> >
> > What am I doing wrong?
> >
> > Bethany
> >
> > On Mon, 17 Jul 2006 10:36:09 -0700
> > Richard vaughan <[EMAIL PROTECTED]> wrote:
> > >
> > > On 17-Jul-06, at 9:21 AM, Bethany R.Leffler wrote:
> > >
> > > > If that's the case, is there any way to access the position of an
> > > > object in gazebo? Position2D and Position3D just return 0,0 as the
> > > > position no matter where the object is.
> > >
> > >
> > > Look at the "simulation" interface in the documentation. It lets you
> > >
> > > find and set the true pose of objects. Usually it's used just for
> > > ground-truth, as it's not generally possible to do for real robots.
> > >
> > > Richard/
> > >
> > >
> > > > Bethany
> > > >
> > > > On Sat, 15 Jul 2006 08:22:20 -0700
> > > > "Nate Koenig" <[EMAIL PROTECTED]> wrote:
> > > >> The first problem is that you can't specify two plugins for a
> > > single
> > > >> driver. The second problem is that Gazebo does not yet include a
> > > GPS
> > > >> Interface. You can add a GPS interface by getting Gazebo CVS, and
> > > >> adding a new interface in the player subdirectory.
> > > >>
> > > >> -nate
> > > >>
> > > >> On 7/14/06, Bethany R.Leffler <[EMAIL PROTECTED]> wrote:
> > > >>> I am trying to get data from a GarminGPS device on a CarChassis
> > > >> that is
> > > >>> running in Gazebo using player.
> > > >>>
> > > >>> My config file for player is:
> > > >>> driver(
> > > >>> name "gazebo"
> > > >>> provides ["simulation:0"]
> > > >>> plugin "libgazeboplugin"
> > > >>> server_id "default"
> > > >>> )
> > > >>> driver(
> > > >>> name "gazebo"
> > > >>> plugin "libgarmingps"
> > > >>> provides ["gps:0"]
> > > >>> plugin "libgazeboplugin"
> > > >>> gz_id "car1_gps"
> > > >>> )
> > > >>>
> > > >>> When I run player with this file I get the following error:
> > > >>> Gazebo driver creating 1 device
> > > >>> 6665.13.0 is error: Gazebo driver doesn't support interface type
> > > >> 13
> > > >>> error: Initialization faled for driver "gazebo"
> > > >>> error: failed to parse config file player.cfg
> > > >>>
> > > >>> Can anyone help me?
> > > >>>
> > > >>> Bethany Leffler
>
> --
> | Radu Bogdan Rusu | http://rbrusu.com
> | http://www9.cs.tum.edu/people/rusu/
> | Intelligent Autonomous Systems
> | Technische Universitaet Muenchen
>
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