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Should gz work with Fortress or should I expect to need to use ign?

asked 2023-03-23 15:31:42 -0500

Gerry_Salinas gravatar image

I'm running Fortress with Humble on Ubuntu 22.04, but on a computer where I had previously installed Gazebo 11 and previously run Ubuntu 20.04. I think this caused some installation difficulty but I can't tell for sure if everything's working now.

Running ign gazebo shapes.sdf works and launches into the "Ignition GUI," where the About screen says it's "Gazebo Fortress, Ignition Gazebo, version 6.14.0."

In the Fortress tutorial (https://gazebosim.org/docs/fortress) it says gz sim shapes.sdf should also work, but I get Command 'gz' not found, but can be installed with: sudo apt install gazebo

The "new era for Gazebo" post in the community forum, describing the change away from the Ignition name, says:

Past releases: Citadel and Fortress will continue to be supported according to their published schedules. Wherever possible, we’ll add aliases for Gazebo into those older releases such that new users of those versions can write modern code from the start and have an even easier migration to Garden and later.

I suspect that the tutorial is correct and gz should work, meaning I have a different problem with my installation, but I wanted to be sure that what I have right now is actually broken before I try to troubleshoot further.

Thank you!

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answered 2023-03-27 16:44:18 -0500

azeey gravatar image

I believe there is an error in the documentation. Fortress is only meant to work with ign. The comment about aliases for Gazebo is relevant for header files and namespaces, but the gz tool will not work with Fortress. The main problem is Gazebo11 also uses gz and we don't have a way to avoid the conflict.

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Thank you so much!

Gerry_Salinas gravatar imageGerry_Salinas ( 2023-03-30 16:40:57 -0500 )edit

please update https://gazebosim.org/docs/all/getsta... to reflect this

rustythorn gravatar imagerustythorn ( 2023-05-23 12:34:40 -0500 )edit

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Asked: 2023-03-23 15:31:42 -0500

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Last updated: Mar 27 '23