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turtlebot3 does not have camera?

asked 2020-06-06 09:10:06 -0500

kamal.kld11 gravatar image

updated 2022-05-01 13:02:01 -0500

lucasw gravatar image

Hello Helpers, when i run roslaunch turtlebot3_gazebo turtlebot3_world.launch its working fine but it does not publishing anything related to camera like /camera/depth/camera_info or /camera/depth/image_raw (when i see in rostopic list).

So question is, what is wrong with me. can i add camera in my turtlebot3 if yes so please share the process, it will be highly appreciated.

Thank you

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Have you configured your robot discription (urdf) file ?

Chris91 gravatar image Chris91  ( 2020-06-08 12:41:37 -0500 )edit

Hey thank you so much for reply please help me some more........ No I just fire roslaunch turtlebot3_gazebo turtlebot3_world.launch command and then i can see turtle bot in gazebo simulator. And when i fire rostopic list the output is following. (there are not any node related to camera)


How can i configure urdf file please help....

Thank you

kamal.kld11 gravatar image kamal.kld11  ( 2020-06-08 12:52:23 -0500 )edit

Take a look @ few examples is a good start. Here is the official tutorial.

Which camera are u using ?

Chris91 gravatar image Chris91  ( 2020-06-08 13:09:06 -0500 )edit

2 Answers

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answered 2021-12-07 15:50:09 -0500

GeorgNo gravatar image

The normal urdf file in turtlebot3_world.launch is oen without a camera. Have a look at turtlebot3_autorace.launch or simply change the model argument in turtlebot3_world.launch eg:

roslaunch turtlebot3_gazebo turtlebot3_world.launch model:=burger_for_autorace

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i dont see depth camera for burger_for_autorace. but this include camera.

muratkoc503 gravatar image muratkoc503  ( 2021-12-08 11:49:20 -0500 )edit

answered 2021-12-07 07:58:33 -0500

Morgenstern gravatar image

updated 2021-12-07 07:59:27 -0500

Maybe it's late to answer, but i couldn't find camera node too. But then i found camera as a topic with this command:

rostopic list

So i start to find which node publishes this camera topic. And logically it must be gazebo cause gazebo is producing the environment for us.

rosnode info /gazebo

As output you will see publications, subscriptions, services etc. as a publication there is a camera topic.

So if you want to find and use camera i think you should use it from gazebo node

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Asked: 2020-06-06 09:10:06 -0500

Seen: 1,075 times

Last updated: Dec 07 '21