ROS Gazebo error on open URDF (roslaunch error)

asked 2014-12-16 13:46:34 -0500

Hi guys, I'm working with an hexapod in a project, so i need to import it from solid works to gazebo. I tried to use an URDF exporter, and it generated an folder with 2 launchs (gazebo.launch & display.launch). I tried to execute the gazebo.launch with roslaunch. It bring me an error https://gist.github.com/anonymous/5e5...

So I openned my .launch file: https://gist.github.com/anonymous/244...

And change some lines, getting this: https://gist.github.com/anonymous/57f...

And now it is returning the following error: https://gist.github.com/anonymous/6f6...

Someone know waht should i do?

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Do you have gazebo installed? And the ROS components? The error message that you linked to suggests you don't (or at least: ROS can't find the gazebo_worlds package).

gvdhoorn ( 2014-12-16 14:22:21 -0500 )edit

For future reference, it is probably better if you post code and the relevant errors directly on this page so people that are searching for answers to similar problems will find them here.

Airuno2L ( 2014-12-17 09:03:09 -0500 )edit

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answered 2014-12-17 08:42:10 -0500

Airuno2L

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updated 2014-12-17 09:00:29 -0500

It looks like you are using ROS Hydro, there is no package called "gazebo" in Hydro, it has been replaced with gazebo_ros. Additionally, this page has really good information about how to launch a URDF in gazebo from ROS. Here is their example:

 <node name="spawn_urdf" pkg="gazebo_ros" type="spawn_model" args="-file $(find baxter_description)/urdf/baxter.urdf -urdf -z 1 -model baxter" />

It looks like what you are doing should work, you're just using the wrong "pkg". Also I notice you have ../robots/hexapod_launch.URDF-urdf" There should be a space between .URDF and -urdf.

Long story short, try this

<node 
name="spawn_model" 
pkg="gazebo_ros" 
type="spawn_model" 
args="-file ../robots/hexapod_launch.URDF -urdf -model hexapod_launch" 
output="screen" />

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I'm getting this error https://gist.github.com/anonymous/751...

Marcio Montenegro ( 2015-02-03 09:40:02 -0500 )edit

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ROS Gazebo error on open URDF (roslaunch error)

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