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2023-04-05 06:26:46 -0500 | commented answer | rqt_reconfigure empty window, parameters not shown Thanks. Helped a lot. |
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2022-12-19 11:53:41 -0500 | marked best answer | Confusion between ConstPtr vs Ptr I have recently switched from Python to C++. I was going through the ROS Subscriber tutorials. I came across this piece of code - I wanted some clarity on As per my understanding, we are passing a Assuming my (aforementioned) understanding is correct, why are we using the keyword Is it because the value of the I went through this discussion on the forum. But, I am still confused. |
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2022-09-19 17:43:45 -0500 | marked best answer | Signifiance of fixed_frame parameter in lookupTransform function I was going through the implementation of the What is the significance of the The documentation mentions the following - Get the transform between two frames by frame ID assuming fixed frame. What's preventing us to always go for the other implementation of |
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2022-03-03 07:11:56 -0500 | commented question | Can key_teleop be use with ROS Melodic and how can I install the package? You can format a block of code by selecting it and pressing Ctrl + K. |
2022-03-02 01:42:02 -0500 | commented question | Can key_teleop be use with ROS Melodic and how can I install the package? What's the error message? Can you udpate the question with the same? |
2022-02-23 10:09:35 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Did you localize your bot in the map by using the initialpose button in Rviz before giving the goal? I might be wrong h |
2022-02-23 10:08:09 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Did you localize your bot in the map by using the intialpose button in Rviz before giving the goal? I might be wrong he |
2022-02-23 09:59:54 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic @bribri123 that's not an error. |
2022-02-23 00:09:06 -0500 | marked best answer | Seeking clarity regarding callback queues and ros::spin() Let's say that we have initialized 2 different Would the |
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2022-02-06 14:32:08 -0500 | commented question | catkin_make cannot find any package Did you try running the talker node using the rosrun command? |
2022-02-06 14:12:24 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic @bribri123 add Maps and select the local_costmap topic. |
2022-02-04 00:39:10 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Ignore that. I don't think you are using a LiDAR. |
2022-02-03 12:21:30 -0500 | commented question | c++ Subscriber does not subscribe Please refrain from attaching external links. They tend to disappear over time. Also, add your source code in the above |
2022-02-03 12:18:29 -0500 | commented question | I received an error saying there was an undefined symbol: _ZN6gazebo4math4PoseC1Ev in a .so file. Try running C++filt _ZN6gazebo4math4PoseC1Ev for a more readable error message. |
2022-02-03 12:12:18 -0500 | commented question | catkin_make cannot find any package I wanted you to paste ~/catkin_ws/src/beginner_tutorial/CMakeLists.txt. |
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2022-02-03 11:13:28 -0500 | commented question | Seeking clarity regarding frame of reference in which robot velocities are provided @gvdhoorn that was helpful. Thanks! |
2022-02-03 11:08:29 -0500 | commented question | Seeking clarity regarding frame of reference in which robot velocities are provided @electrophod +1 |
2022-02-03 11:06:52 -0500 | commented question | catkin_make cannot find any package Is the src folder empty? Also, could you add CmakeList.txt (the one inside the package) file to the question? |
2022-02-03 11:03:05 -0500 | commented question | Error when trying to run a ros node Try rosrun port_publisher_node from inside from the same directory as the source code. |
2022-02-03 10:58:59 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Could you also put a screenshot of your tf tree? You can do that by running rosrun tf view_frames followed by evince fra |
2022-02-03 10:57:43 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Could you also add the terminal outputs for the following commands after sending a 2DNavGoal — rostopic echo /cmd_vel |
2022-02-03 10:53:09 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Could you also add a Rviz screenshot of the local costmap? |
2022-02-03 10:50:59 -0500 | commented question | move base node only publishing 0's linear and angular values on /cmd _vel topic Could you please your format your code snippets properly? You can do that by selecting the code snippets and pressing Ct |
2022-02-03 10:46:30 -0500 | commented question | Seeking clarity regarding callback queues and ros::spin() @gvdhoorn I need more time. |
2022-02-02 00:36:01 -0500 | asked a question | Seeking clarity regarding callback queues and ros::spin() Seeking clarity regarding callback queues and ros::spin() Let's say that we have initialized 2 different nodes inside 2 |
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