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2020-10-12 18:38:10 -0500 answered a question How to use a package installed in Python ?

Okay I figured this out with the experience of ROS2...... I do not need to add every lib to build-exec, as well as CMak

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2020-10-12 12:25:21 -0500 asked a question How to use a package installed in Python ?

How to use a package installed in Python ? I was learning ROS2 before but stuck on SLAM so I decided to switch back to R

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2020-09-22 22:48:45 -0500 answered a question Rviz2 not showing lidar points

ah, I think I was trapped in a stupid issue...... I changed the reliable selection to 'best effort' and the data showed

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2020-09-22 22:48:30 -0500 commented question Rviz2 not showing lidar points

ah, I think I was trapped in a stupid issue...... I changed the reliable selection to 'best effort' and the data showed

2020-09-22 22:45:00 -0500 commented question Rviz2 not showing lidar points

I can't change it to laser, so I tried to created a static tf called laser, and it didn't work. Besides that, I can't mo

2020-09-22 22:28:44 -0500 commented question Rviz2 not showing lidar points

What is Visualization frame? The frame id in the msg is set to laser but i'm not sure about the Rviz part.

2020-09-22 19:36:34 -0500 asked a question Rviz2 not showing lidar points

Rviz2 not showing lidar points Hello here, I'm new to ROS and ROS2, had some time long ago with a turtle bot and did so