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2017-07-22 10:00:53 -0600 commented answer loop rate of a subscriber ?

Technically, yes (assuming your subscriber doesn't miss any message). You can test this simply printing the ros time ins

2017-07-22 07:10:10 -0600 answered a question loop rate of a subscriber ?

Subsciber callbacks are called whenever new message arrives to the topics however you can print the frequency of message

2017-07-15 06:59:05 -0600 commented answer visual navigation

It also depends on your application whether 2D or 3D navigation but, you can start with this: http://wiki.ros.org/naviga

2017-07-14 08:59:14 -0600 answered a question visual navigation

There are several visual SLAM packages for ROS like: ORB_SLAM and RtabMap, it depends on your application. I rather reco

2017-07-14 08:32:23 -0600 answered a question robot_localization odom and map drifts

I guess you should fuse all the in one robot_localization node although it is hard to understand from the video. Next ti

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2017-06-10 07:41:49 -0600 edited answer I need to learn how to work with ROS in 2 months, what is the recommended book or website in addition to ROS Tutorials?

You can start here: http://wiki.ros.org/ROS/Tutorials And this book is pretty explanatory: http://mastering-ros.com/ T

2017-06-10 03:21:22 -0600 answered a question I need to learn how to work with ROS in 2 months, what is the recommended book or website in addition to ROS Tutorials?

You can start here: http://wiki.ros.org/ROS/Tutorials And this book is pretty explanatory: http://mastering-ros.com/

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2017-06-01 08:35:19 -0600 commented question [move_group-8] process has died [pid 9976, exit code -11

could you solve this issue? I have the same here.

2017-05-31 06:58:07 -0600 asked a question move group execution error

move group execution error Hi, I am trying to go over this (https://www.wilselby.com/research/ros-integration/3d-mappin