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2021-02-08 09:10:55 -0500 commented answer Precision navigation

xy_goal_tolerance means how close to the goal you want to be. If you use 1m, for example, you will stop navigating once

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2020-10-29 06:45:56 -0500 commented question Can not find packages downloaded from github

after source /home/erik/catkin_ws/devel/setup.bash and roscd where do you end up?

2020-10-28 09:49:58 -0500 commented question Can not find packages downloaded from github

can you compile it without any issues? put the output here, please.

2020-10-28 09:48:20 -0500 answered a question How to interpret LiDAR sensor topic outputs?

You can find it here, in the message type: http://docs.ros.org/en/melodic/api/sensor_msgs/html/msg/LaserScan.html

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2020-10-08 10:49:38 -0500 commented question I want to make a node which should rotate the robot in a circle and then stop at its initial position. Currently I am able to move the turtlebot in a circle continuosly but dont how to stop it at its initial position. Please help.

move the var_sub callback to outside of the while loop. I am not looking at the correctness of your solution, but you sh

2020-10-08 10:49:25 -0500 commented question I want to make a node which should rotate the robot in a circle and then stop at its initial position. Currently I am able to move the turtlebot in a circle continuosly but dont how to stop it at its initial position. Please help.

move the var_sub callback to outside of the while loop. I am not looking at the correctness of your solution, but you sh

2020-10-07 03:54:36 -0500 answered a question Git cloned a ros project need help with launching

As you do not mention anything more than cloning, these questions come to my mind: Have you created a workspace where y

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2020-08-19 05:51:43 -0500 commented answer How to edit a map programmatically?

@geoporus, it is better to ask a new question regarding your specific issue.

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2020-06-02 16:44:05 -0500 commented question commands of catkin tools giving errors

post your code, please

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2020-04-29 07:32:22 -0500 answered a question How to edit a map programmatically?

Create a scprit that, once you run it, will save the map and add borders using something like OpenCV.

2020-04-28 16:01:50 -0500 answered a question Tutorial page in portuguese

Thanks for reporting. Someone edited the default page instead of the PT_BR page. I have reverted the change and it shoul

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2020-04-28 08:40:17 -0500 edited answer Single Gazebo and multiple Rviz in single machine

I believe the best approach is to use namespaces (why are you trying to avoid this?). Even if you manage to use multiple

2020-04-28 08:22:47 -0500 commented answer Parameter Server and persistence

Did not know about that tool. Quite nice, thanks.

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2020-04-28 02:54:10 -0500 answered a question Parameter Server and persistence

This is the expected behavior. Once the master is gone, so are the parameters. The best you can do is to run a master i

2020-04-28 02:52:31 -0500 commented question Qt GUI messages not published when launched from launch file

is it possible that you have a timeout for subscribers in your GUI? the launch file does not guarantee which node runs f

2020-04-28 02:50:10 -0500 commented question Single Gazebo and multiple Rviz in single machine

I believe the best approach is to use namespaces (why are you trying to avoid this?). Even if you manage to use multiple

2020-04-23 07:31:25 -0500 commented question why odom values are continously increasing even if my robot is not moving in simulation environment ?

you need to provide more info, which simulation platform, which robot, is your robot really moving or just the odom?

2020-04-22 06:02:37 -0500 commented question how to find distance between 2 robots in gazebo via ROS melodic via camera/lidar?

I feel your question is much more about technical concepts then it is about ROS in general. It is possible to do it? Sur

2020-04-22 03:49:02 -0500 commented answer Setting ROS_MASTER_URI for three connected computers

cool. maybe create a new answer to your own question, this could help others in the future. cheers

2020-04-22 03:46:59 -0500 commented question how to find distance between 2 robots in gazebo via ROS melodic via camera/lidar?

what is your question exactly? if this can be done in ROS? Yes, it can and your approach seems feasible.

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2020-04-22 03:44:27 -0500 answered a question rosversion ros gives <unversioned>.What does that mean?

That command is for getting the version of a rospackage. If you want to check your ros distribution version do: echo $RO

2020-04-22 03:41:30 -0500 answered a question Is it possible to call a server by a client who reads from a topic?

Sure, there is no problem at all in doing that. Topics, services and action servers can all live together. That is one

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2020-04-22 03:39:25 -0500 edited answer Is ROS Win10 recommended ?

If you have no access to Ubuntu I guess it would not hurt trying to use it in Win10. The installation is fairly well do

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2020-04-22 03:38:33 -0500 answered a question Is ROS Win10 recommended ?

If you have no access to Ubuntu I guess it would not hurt trying to use it in Win10