Camera sensor not saving images

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Hey everyone,

I'm following this tutorial to create a video with a Camera using Gazebo.

I'm struggling with the first part consisting in generating the images: I'm using the exact same code given in the tutorial, that is a sdf file with a camera sensor attached to a model and with save_enabled=true. When I run the simulation, there is nothing coming out, no images.

I'm using the command gz sim camera_tutorial.world to run the file (which is not exactly the one given in the tutorial, which is outdated as far as I understand).

My gz sim --versions is 7.0.0.

Any idea of the reason why I do not have any image coming out from the camera sensor? Is the tutorial outdated?

Thanks in advance