[ros-users] roslaunch gazebo_worlds empty_world.launch
Ugo Cupcic
ugo at shadowrobot.com
Mon Mar 29 13:11:49 UTC 2010
Ok, thanks that worked.
Cheers,
Ugo
Adam Stambler wrote:
> Hi Ugo,
>
> I believe that that launch file has just not been edited to reflect the
> new distribution set up. It loads the paths for the PR2 gazebo
> resources for every empty world even though it is meant to be generic.
>
> So, you can edit out the paths of resources that you dont have with the
> standard distribution. Take out pr2_ogre, pr2_description, and
> pr2_gazebo_plugins.
>
> For example change GAZEBO_RESOURCE_PATH to:
>
> <env name="GAZEBO_RESOURCE_PATH" value="$(find gazebo_worlds):$(find
> gazebo)/gazebo/share/gazebo" />
>
> I have a similar modified launch file setting up my own simulation.
>
> Regards,
> Adam Stambler
>
> On Mon, Mar 29, 2010 at 8:24 AM, Ugo Cupcic <ugo at shadowrobot.com
> <mailto:ugo at shadowrobot.com>> wrote:
>
> Hi all,
>
> Do I need to install pr2_gazebo to use the command:
> roslaunch gazebo_worlds empty_world.launch ? Even if I won't use the PR2
> robot?
>
> I just installed gazebo_tools and gazebo_worlds but I get an error when
> I try to start empty_world. (see below)
>
> Cheers,
>
> Ugo
>
>
>
> Traceback (most recent call last):
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/__init__.py",
> line 198, in main
> p.start()
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/parent.py",
> line 217, in start
> self._start_infrastructure()
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/parent.py",
> line 180, in _start_infrastructure
> self._load_config()
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/parent.py",
> line 106, in _load_config
> self.config =
> roslaunch.config.load_config_default(self.roslaunch_files, self.port)
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/config.py",
> line 371, in load_config_default
> loader.load(f, config, verbose=verbose)
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 662, in load
> self._load_launch(launch, ros_config, is_core=core,
> filename=filename, verbose=verbose)
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 637, in _load_launch
> self._recurse_load(ros_config, launch.childNodes,
> self.root_context, None, is_core, verbose)
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 590, in _recurse_load
> n = self._node_tag(tag, context.child(''), ros_config,
> default_machine, verbose=verbose)
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 359, in _node_tag
> self._env_tag(t, context, ros_config)
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 502, in _env_tag
> self.load_env(context, ros_config, *self.reqd_attrs(tag, context,
> XmlLoader.ENV_ATTRS))
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 175, in reqd_attrs
> return [self.resolve_args(tag.attributes[a].value, context) for a
> in attrs]
> File "/home/hand/ros/ros/tools/roslaunch/src/roslaunch/xmlloader.py",
> line 146, in resolve_args
> return roslib.substitution_args.resolve_args(args,
> context=context.resolve_dict, resolve_anon=self.resolve_anon)
> File
> "/home/hand/ros/ros/core/roslib/src/roslib/substitution_args.py", line
> 105, in resolve_args
> resolved = resolved[0:idx-len(arg)] +
> roslib.packages.get_pkg_dir(args[0]) + resolved[idx:]
> File "/home/hand/ros/ros/core/roslib/src/roslib/packages.py", line
> 213, in get_pkg_dir
> raise InvalidROSPkgException("Cannot locate installation of package
> %s: %s. ROS_ROOT[%s] ROS_PACKAGE_PATH[%s]"%(package, rperr.strip(),
> ros_root, ros_package_path))
> InvalidROSPkgException: Cannot locate installation of package
> pr2_gazebo_plugins: [rospack] couldn't find package
> [pr2_gazebo_plugins]. ROS_ROOT[/home/hand/ros/ros]
> ROS_PACKAGE_PATH[/home/hand/ros/stacks:/home/hand/Projects/Projects/ROS_can_interface/shadowhand]
>
>
>
> --
> Ugo Cupcic | Shadow Robot Company | ugo at shadowrobot.com
> <mailto:ugo at shadowrobot.com>
> Software Engineer 251 Liverpool Road
> need a Hand? London N1 1LX | +44 20 7700 2487
> http://www.shadowrobot.com/hand/ @shadowrobot
>
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--
Ugo Cupcic | Shadow Robot Company | ugo at shadowrobot.com
Software Engineer 251 Liverpool Road
need a Hand? London N1 1LX | +44 20 7700 2487
http://www.shadowrobot.com/hand/ @shadowrobot
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