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TF error: Lookup would require extrapolation into the future #4965

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nvhungv2k opened this issue Jul 2, 2024 · 0 comments
Open

TF error: Lookup would require extrapolation into the future #4965

nvhungv2k opened this issue Jul 2, 2024 · 0 comments

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@nvhungv2k
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nvhungv2k commented Jul 2, 2024

Hello everyone,
My workspace: Ubuntu 20.04 LTS, ros noetic, Unreal engine 4.27
I ran the Single drone with monocular and depth cameras, and lidar example in airsim_tutorial_pkgs
In Rviz, it don't show PointCloud2 from Lidar, And I checked and view it in Rviz, it showed:

Transform [sender=unknown_publisher]
For frame [drone_1/LidarCustom]: No transform to fixed frame [world_enu]. TF error: [Lookup would require extrapolation 11,472200785s into the future. Requested time 1719913701,674538612 but the latest data is at time 1719913690,202337742, when looking up transform from frame [drone_1/LidarCustom] to frame [world_enu]]

I already increased the time of update Lidar by changing update_lidar_every_n_sec parameter in airsim_node.launch file
But it only delayed the moment of above error.
I think that AirSim/ROS and Unreal aren't same time-synced as ROS and Gazebo.
Any ideal? PLS show me the way how to solve it.

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