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Try changing the rviz 'Global Options' 'Fixed Frame' to my_frame.

In the tutorial you are sending the markers position in the frame my_frame, but rviz is set to display map, and if you have not set any transforms to connect the frame map to my_frame rviz can't calculate the markers position in the map frame.

Try changing the rviz 'Global Options' 'Fixed Frame' to my_frame.

In the tutorial you are sending the markers position in the frame my_frame, but rviz is set to display map, and if you have not set any transforms to connect the frame map to my_frame rviz can't calculate the markers position in the map frame.

And you need to add a markers display to rviz (maybe you have already done this, but i can't see it in your screenshot). Just follow the Tutorials Point '5. Viewing the Markers'.

Try changing the rviz 'Global Options' 'Fixed Frame' to my_frame.

In the tutorial you are sending the markers position in the frame my_frame, but rviz is set to display map, and if you have not set any transforms to connect the frame map to my_frame rviz can't calculate the markers position in the map frame.

And you need to add a markers display to rviz (maybe you have already done this, but i can't see it in your screenshot). Just follow the Tutorials Point '5. Viewing the Markers'.

To change the Fixed Frame: Open rviz, klick on map (on the text next to Fixed Frame) and just type the new frame name my_frame. I thought i could choose the frame from a list, but i just built the tutorial program and tried it, but i had to type the name my_frame.

Rviz is often hiding (or it is not recognizable) that you can edit a parameter like Fixed Frame.

Try changing the rviz 'Global Options' 'Fixed Frame' to my_frame.

In the tutorial you are sending the markers position in the frame my_frame, but rviz is set to display map, and if you have not set any transforms to connect the frame map to my_frame rviz can't calculate the markers position in the map frame.

And you need to add a markers display to rviz (maybe you have already done this, but i can't see it in your screenshot). Just follow the Tutorials Point '5. Viewing the Markers'.

To change the Fixed Frame: Open rviz, klick on map (on the text next to Fixed Frame) and just type the new frame name my_frame. I thought i could choose the frame from a list, but i just built the tutorial program and tried it, but i had to type the name my_frame.

Rviz is often hiding (or it is not recognizable) that you can edit a parameter like Fixed Frame.

I think you are trying to change the Fixed Frame in Global Status, where you get the warning message. Try changing the Fixed Frame under Global Options.