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2019-03-26 19:58:19 -0500 commented answer Problem with tf tutorial

Since he is using catkin to build his project, CATKIN_DEPENDS should be uncommented, and all additional ros packages sho

2019-03-19 23:24:49 -0500 commented answer Have two nodes publish to same topic

You can also consider using nodelets for this as it provides features as zero copy of data and reduced networking (nodel

2019-03-19 09:53:40 -0500 received badge  Nice Answer (source)
2019-03-17 23:13:34 -0500 edited answer ROS-friendly Visual Studio Code extensions

I dont think there is any (ROS) extension that fixes your particular problem but VS Code has its own way of dealing with

2019-03-17 21:50:46 -0500 edited answer ROS-friendly Visual Studio Code extensions

I dont think there is any (ROS) extension that fixes your particular problem but VS Code has its own way of dealing with

2019-03-15 03:12:17 -0500 edited answer ROS-friendly Visual Studio Code extensions

I dont think there is any (ROS) extension that fixes your particular problem but VS Code has its own way of dealing with

2019-03-15 01:44:17 -0500 answered a question ROS-friendly Visual Studio Code extensions

I dont think there is any (ROS) extension that fixes your particular problem but VS Code has its own way of dealing with

2019-03-11 20:46:45 -0500 commented answer How to get the separate value from the data of pcl::pointxyz ?

The way pointcloud data is usually presented is 1D vector (x) instead of 2D vector (x,y) you were expecting so that widt

2019-03-11 20:46:30 -0500 commented answer How to get the separate value from the data of pcl::pointxyz ?

The way pointcloud data is usually presented is 1D vector (x) instead of 2D vector (x,y) you were expecting so that widt

2019-03-11 07:02:04 -0500 received badge  Teacher (source)
2019-03-11 01:41:51 -0500 commented question ROS namespaces

can you run rostopic list after running your launch file and then cp the result?

2019-03-11 01:31:23 -0500 answered a question How to get the separate value from the data of pcl::pointxyz ?

I would suggest you to first go through Wiki on using pcl_ros module (this) before asking here, but since you already as

2019-03-01 10:58:54 -0500 commented question ros indigo catkin_make error

Your problem is here: /home/arc/catkin_ws/src/arc_ros_stream/src/arc_line_follower.cpp:163:29 Can you provide this part

2019-02-19 20:31:27 -0500 commented question [rosrun] Couldn't find executable named

Do you build using catkin_make, and if so can you find your executables if there are any?

2019-02-19 03:32:20 -0500 commented question [rosrun] Couldn't find executable named

The only thing I can suggest at this moment is to look manually if your executables are inside devel, try re-building on

2019-02-19 03:22:24 -0500 commented question [rosrun] Couldn't find executable named

can you try echo $CMAKE_PREFIX_PATH. Just checked my setup and this one points to my workspace/devel

2019-02-19 03:21:25 -0500 commented question [rosrun] Couldn't find executable named

can you try echo $CMAKE_PREFIX_PATH

2019-02-19 03:05:31 -0500 commented question [rosrun] Couldn't find executable named

that seems to be ok, but the executable shouldn't be in the file he is looking, rather in build and devel. Any luck with

2019-02-19 03:05:04 -0500 commented question [rosrun] Couldn't find executable named

that seems to be ok, but the executable shouldn't be in the file he is looking, rather in build and devel. Any luck with

2019-02-19 03:04:56 -0500 commented question [rosrun] Couldn't find executable named

that seems to be ok, but the executable shouldn't be in the file he is looking, rather in build and devel. Any luck with

2019-02-19 02:58:55 -0500 commented question [rosrun] Couldn't find executable named

that seems to be ok, but the executable shouldn't be in the file he is looking, rather in build and devel. Any luck with

2019-02-19 02:58:00 -0500 commented question [rosrun] Couldn't find executable named

that seems to be ok, but the executable shouldn't be in the file he is looking, rather in build and devel

2019-02-19 02:37:56 -0500 commented question [rosrun] Couldn't find executable named

Can you show the whole CMakeLists file? Also did you open a new terminal session after building? .bashrc is invoked whe

2019-02-18 03:31:12 -0500 commented question turtlebot3 waffle Queation (how does it work?) ros

Did you follow this tutorial? This to me looks like a common error when you dont source your workspace after building pa

2019-02-18 03:31:12 -0500 received badge  Commentator
2019-01-25 08:25:39 -0500 commented question ObstacleLayer does not show the obstacle read by the laser

can you confirm if the laser is related to laser_link frame and is using /scan topic?

2019-01-17 22:05:10 -0500 commented question ROS ARM install on a custom variant of Ubuntu 18.04

Did you try to override it with only ubuntu and not the Ubuntu version number?

2019-01-17 03:11:42 -0500 commented question Rviz panel won't open

To further improve on my response, you can add additional panels through Rviz by going to Panels->Add New Panels wher

2019-01-16 08:25:47 -0500 commented question Rviz panel won't open

If I understood your question correctly, open Rviz and in a top panel where you can chose select, point, 2D Nav etc. rig

2019-01-16 02:39:30 -0500 commented question ROS ARM install on a custom variant of Ubuntu 18.04

Trinity is just a desktop environment for your Ubuntu (and other X supporting Unix systems) and this shouldn't be a prob

2019-01-10 21:45:18 -0500 commented answer Why does this not compile? It is matching the documentation and other examples identically. Yet it gives me mismatch errors.

where is your nh.subscribe currently located? is it still in header or where? is it after you created nodehandle ? try p

2019-01-10 20:39:38 -0500 edited answer Why does this not compile? It is matching the documentation and other examples identically. Yet it gives me mismatch errors.

The problem is in type you provided as a first argument. You tried passing him the C style string which is as described

2019-01-10 20:39:38 -0500 received badge  Editor (source)
2019-01-10 20:36:03 -0500 answered a question Why does this not compile? It is matching the documentation and other examples identically. Yet it gives me mismatch errors.

The problem is in type you provided as a first argument. You tried passing him the C style string which is as described

2019-01-08 22:31:06 -0500 commented question Lsd slam and octomap without flying ardrone

As seen from the graph, there is a missing tf link between map and odom . Try adding it and test again, then see if you

2019-01-08 05:25:49 -0500 edited answer Rotate the coordinates of IMU

At first I would advise you to check if you mounted the sensor in a "correct way" aka "correct" orientation (check your

2019-01-08 05:22:45 -0500 answered a question Rotate the coordinates of IMU

At first I would advise you to check if you mounted the sensor in a "correct way" aka "correct" orientation (check your

2019-01-07 03:48:57 -0500 commented question Problems with imu

Please provide driver/s you are using and generally more information about your setup (tests are welcomed)

2018-12-26 23:01:22 -0500 commented question ROS port roslaunch (IMU) problem /dev/ttyUSB0 to /dev/ttyACM0 ?

Can you run this launch file and output everything ROS outputs during startup (parametars, nodes) ? Also please check if

2018-12-26 22:59:42 -0500 commented question ROS port roslaunch (IMU) problem /dev/ttyUSB0 to /dev/ttyACM0 ?

Can you run this launch file and output everything ROS outputs during startup (parametars, nodes) ? Also please check if

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2018-12-18 23:42:38 -0500 answered a question Where is magnetometer measurements in the IMU messages

Short answer is that the current python wrapper (driver) is not capable of providing you with magnetometer date, but onl