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2022-08-13 15:06:15 -0500 received badge  Taxonomist
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2021-06-22 05:31:00 -0500 marked best answer Suggestions for drone simulator with ROS + Gazebo

Hi there, I am looking for a decent starting point for a drone project. I've checked the TUM_SIM ( http://wiki.ros.org/tum_simulator )

And it seems quite stable, nevertheless, anyone has some experience with drones and ROS? What do you recommend? And also for the motion planning, should moveit work for a task like this? Or should I look into other 3d planners? Thanks for the tips!

2019-12-04 07:28:39 -0500 commented answer How to deactivate image_transport plugins?

Hi there, this might be a silly question, but is this working on ros-kinetic?

2019-11-09 19:17:12 -0500 marked best answer Difference between catkin_init_workspace inside src vs catkin_make

Hi there, I guess this is more of a conceptual question, what are the differences (or even benefits) of running:

catkin_init_workspace

inside the workspace/src directory vs running:

catkin_make

In the root of the workspace. According to me they are equal and I've always preferred to just create the workspace and src inside and then run catkin_make directly, but I haven't found out if there are big differences from one to the other.

Thanks for your time!

EDIT: I've seen that catkin_init_workspace will:

" Actually, it creates a symbolic link to a system-wide CMakeLists.txt file."

According to the Programming Robots with ROS book.

2019-05-16 21:22:44 -0500 received badge  Good Answer (source)
2019-03-10 12:21:59 -0500 commented answer Incorrect camera pose with respect to marker

Chance the reference_frame to a one frame defined on xyz on the axis you want. Don't leave it empty (if you see the comm

2019-03-08 02:40:23 -0500 commented answer Incorrect camera pose with respect to marker

If you don't provide code or more info it's really hard to figure out what's wrong. I've used that package with great su

2019-03-07 08:08:28 -0500 commented answer Do computers need to be on the same internet connection as master?

True!! Also sometimes the port 11311 could be blocked (had this happen to me on a university network) and while ssh can

2019-03-06 09:38:12 -0500 answered a question Do computers need to be on the same internet connection as master?

Check the tutorial for multiple machines: http://wiki.ros.org/ROS/Tutorials/MultipleMachines But to answer your questio

2019-03-06 09:12:45 -0500 answered a question Incorrect camera pose with respect to marker

I assume you are using it from this repo https://github.com/pal-robotics/aruco_ros If so, are you making sure the TF tr

2019-02-06 03:22:38 -0500 received badge  Famous Question (source)
2018-11-19 04:04:49 -0500 commented question I have a startup idea related to ROS and need to consult with the Iranians who are professional to ROS (Preferably residing abroad)

You can try posting on Discourse https://discourse.ros.org/ .

2018-11-08 04:40:25 -0500 answered a question eternal navigation using bumper sensor

If you are copying the code as you have it in your file, in the __init__(self) you have: r = rospy-Rate(20) and it s

2018-11-08 03:19:02 -0500 commented question How to use getNodeHandle ?

How did you declare it in your class? Try to post the more of the code if possible.

2018-11-07 04:44:27 -0500 answered a question How to get ROS and Anaconda to play well together?

I know linking to videos is not much of an answer but from this video you can see the necessary steps to achieve what yo

2018-11-06 03:04:29 -0500 answered a question How can I publish a global path exactly once?

Well you could use a service, that way it behaves in a request/response kind of way. Check this service nav_msgs/GetPlan

2018-10-12 16:38:12 -0500 received badge  Notable Question (source)
2018-09-24 08:03:27 -0500 received badge  Popular Question (source)
2018-09-24 04:05:00 -0500 commented question How to replace ros-kinetic-opencv3 with compiled version?

Thanks for the link, I think it does confirm my suspicion, that I have to uninstall everything vision related and build

2018-09-19 10:30:54 -0500 asked a question How to replace ros-kinetic-opencv3 with compiled version?

How to replace ros-kinetic-opencv3 with compiled version? Hi there, I'm on ros kinetic and installed ros-kinetic-deskto

2018-08-09 03:31:48 -0500 edited answer docker: how to use RViz and Gazebo from a container?

Hey there, I did something related. At the end I used VNC to connect to the docker image and run the gui for Gazebo and

2018-08-09 02:42:58 -0500 answered a question docker: how to use RViz and Gazebo from a container?

Hey there, I did something related. At the end I used VNC to connect to the docker image and run the gui for Gazebo and

2018-08-08 06:44:48 -0500 commented answer error : couldn't find any package by regex gstreamer0.10-gconf

Glad I could help!

2018-08-08 06:21:19 -0500 commented answer error : couldn't find any package by regex gstreamer0.10-gconf

Weird, try download the deb file from here and install it by: sudo dpkg -i /path/to/deb/file followed by sudo apt-ge

2018-08-08 06:14:15 -0500 answered a question error : couldn't find any package by regex gstreamer0.10-gconf

Weird, you can try: sudo apt install gstreamer0.10-plugins-good Does that work?

2018-08-08 05:02:21 -0500 answered a question Installing ROS in Revolution Pi

Hi there Venkat, from this picture I see they are using a default raspberry pi board in the card size. That being the

2018-07-31 02:54:06 -0500 commented question Sensor data via USB

Btw I replied down below.

2018-07-25 07:11:52 -0500 edited answer Sensor data via USB

Okay with the info provided I think I can sort of give some help. Check this past answer too btw. So you in order to ge

2018-07-25 04:29:39 -0500 answered a question Sensor data via USB

Okay with the info provided I think I can sort of give some help. Check this past answer too btw. So you need to get th

2018-07-23 08:04:07 -0500 commented question Sensor data via USB

ROS works on Linux, did you get it to run on Windows? I think you should find how the data is being communicated (maybe

2018-07-23 06:30:38 -0500 commented question Sensor data via USB

How do you usually access the data without ROS? Is there a program you run? Or is it like a mouse that you just plug and

2018-07-05 12:54:08 -0500 received badge  Nice Answer (source)
2018-07-05 09:04:38 -0500 answered a question Best practice for Ackermann car to follow a path

I think the TEB local planner has support for ackermann models. Check them out: http://wiki.ros.org/teb_local_planner T

2018-07-05 07:48:50 -0500 answered a question How to use navigation stack for line following with opencv

Hi there Prof. Xavier, you definitely want to check out: Programming Robots with ROS, especially chapter 12: Follow-bot

2018-07-05 02:33:41 -0500 commented answer Reliable IMUs for ROS

hehehe no problem, it's always better to remove /devel and /build and catkin_make again. If you liked my answer please a

2018-07-04 05:39:47 -0500 commented answer Remove a single ROS package

I wonder, why do you need to remove camera calibration? Do you need to reinstall it?

2018-07-04 05:39:25 -0500 commented answer Remove a single ROS package

Still, as I said, it won't remove all of ROS, just those packages ros-kinetic-camera-calibration* ros-kinetic-desktop-fu

2018-07-04 03:21:11 -0500 answered a question Remove a single ROS package

Hi there martina, the packages won't be removed it just says: The following packages were automatically installed an

2018-07-04 03:16:52 -0500 commented answer Reliable IMUs for ROS

Not really, but from what I see it's due to the config file: https://github.com/KristofRobot/razor_imu_9dof/search?q=cfg

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2018-07-02 02:55:55 -0500 answered a question [Turtlebot] [Kobuki base] Increasing the publish frequency of sensor messages

Hi there, it depends, can you show me what package are you using? Usually, there are parameters to control frequency li

2018-06-25 09:44:49 -0500 received badge  Nice Answer (source)
2018-06-14 06:47:30 -0500 commented question Why transformed_plan in dwa_planner_ros.cpp is empty?

Please post some code so you can get more insight, I've used DWA and it works all the time so far. Maybe there is a bug

2018-05-23 01:54:32 -0500 commented answer Reliable IMUs for ROS

PR = Pull Request, sorry. And when I said the page I refer to the github repo, from what I've seen so far there is a for

2018-05-22 11:04:01 -0500 received badge  Autobiographer
2018-05-22 10:58:08 -0500 answered a question Reliable IMUs for ROS

Check out razor IMUs: http://wiki.ros.org/razor_imu_9dof I've worked with them and with the ROS package the setup is ea

2018-05-22 10:45:38 -0500 answered a question Path Planning Dynamical Reconfiguration

Hi there Francesco, yes indeed, dynamical reconfiguration means that you can change some parameters for move_base. When

2018-05-15 03:49:30 -0500 received badge  Notable Question (source)
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