Unable to Visualize map & navgraphs in RViz about rmf_demos HOT 12 CLOSED

Thank-you for replying @Yadunund ,

We actually are using the files, in a similar manner that you have mentioned above.

I also am having the same doubt. That it should be working, with use_sim_time set to false.

Yes, i can share the contents of office_demos.launch.xml. But, i don't think we made any changes to the file itself
office.ODT
You can find the contents of the office.launch.xml in the above attached file.

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try to change the <arg name="use_sim_time" default="false"/> from false to true <arg name="use_sim_time" default="true"/> in the /opt/ros/foxy/share/rmf_demos/office.launch.xml file.

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Thank You, Asem it worked for me.

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Hi @ganatsh ,

The launch files in rmf_demos_gz are supersets of those in rmf_demos. The latter ones can be thought of as launch files for testing with real robots while the ones in rmf_demos_gz launch up a gazebo environment for testing in simulation. So you Steps to Reproduce is not a valid workflow. You would either launch from rmf_demos or rmf_demos_gz depending on whether you're testing in the real world or simulation, but not both.

Having said that, it is strange that you were not able to visualize the map and traffic lanes in RViz after running ros2 launch rmf_demos office_demo.launch.xml. Even with use_sim_time set to false, you should be able to see these in RViz. Are you able to share the contents on your office_demos.launch.xml file?

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Thanks for sharing. There file looks okay. There was a similar discussion here. Looks like the issue was DDS related for another user. Perhaps you could try switching DDS implementations as suggested to see if that solves the problem.

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Hi

If i am using the system on real robot, i shall set use_sim_time to false, right? But i couldn't see anything on RVIZ, except /fleet_markers. Any idea how to have others (/floorplan, /map_markers, /schedule_markers, /building_systems_markers) to be seen?

Best,
Samuel

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@HappySamuel ,

Did you make sure to set use_sim_time to false for all the nodes that you launched?

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Hi @Yadunund

Yes all my nodes are having use_sim_time with false. What else shall i check?

Best,
Samuel

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Does the Map Name in your SchedulePanel in RViz match the level name in the navgraph exported from rmf_traffic_editor? For example, if you defined a level named "Level1" in traffic editor with navigation lanes for your robot and you're feeding in this navigation graph to your fleet adapter, then the Map Name textbox should be set to this value.

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Hi @Yadunund

Yes, map name in SchedulePanel on RVIZ match the level name in navgraph exported from rmf_traffic_editor.

Best,
Samuel

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@HappySamuel

Could you share your system/workspace configuration? Refer to the "Required Information" in the original description. Describe how you built the workspace and launched RMF.

Also attach the entire terminal output in a gist or txt file

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Hi Guys,
I resolved this error by downgrading int numpy version below 1.16. There is some error in numpy.
"AttributeError: module 'numpy' has no attribute 'asscalar'"
because of
Deprecated since version 1.16: Deprecated, use numpy.ndarray.item() instead.

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