URDF Robot Modeling Unit 2

Course Support URDF for Robot Modeling
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Hello,

I am currently trying to get through Unit 2 of the URDF Robot Modeling course, but unfortunately the gazebo simulation is not loading in. I know the simulation uses gzclient and needs to be launched manually, but I cannot find the instructions to launch it manually and the commands I try don’t work and oftentimes provide the error message “Error: cannot communicate with master”. How can I fix this and launch the simulation?

Thank you,
Aditya

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Tried chapter 4? Doesn’t it work for you?

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I get this message but I cannot find in the notebook how to launch the simulation

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Is becuase launching the simulation ( Gazebo ) is done n the Gazebo chapter.
First, you need to understand URDF format and how to visualise it in RVIZ.

Once you understand that then you launch gazebo simulation.
Is that what you are asking? Or You aready launched Gazebo sim and it doesn’t work?

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