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2023-08-10 06:25:41 -0500 | received badge | ● Good Answer (source) |
2023-01-27 16:43:10 -0500 | marked best answer | Why doesn't ROS_INFO allow calling std::queue.size() inside as a param I have declared a global variable queue And I have subscribed to a topic. Here is my subscriber callback method. When I try to build this, I get the following error. However, if I modify the subscriber callback method as follows, it compiles and runs just fine. Am I missing something? |
2022-12-18 18:24:52 -0500 | answered a question | How do I install ROS Noetic on AWS Workspaces Amazon Workspaces supports Amazon Linux, Ubuntu and Windows 10 as operating systems. From your question I understand tha |
2022-07-15 07:07:45 -0500 | received badge | ● Nice Answer (source) |
2022-07-08 05:01:09 -0500 | received badge | ● Good Answer (source) |
2022-06-13 14:57:22 -0500 | received badge | ● Nice Answer (source) |
2021-12-21 22:37:02 -0500 | commented answer | How to get coordinate data in RPLidar Hector SLAM? I assume the RPLidar is rigidly fixed to the AGV body, and that when you say you move the RPLidar, the AGV is moving wit |
2021-12-20 17:25:05 -0500 | answered a question | How to get coordinate data in RPLidar Hector SLAM? Assuming you have your network configured properly (following this : http://wiki.ros.org/ROS/NetworkSetup). you should b |
2021-11-17 18:26:17 -0500 | received badge | ● Rapid Responder (source) |
2021-11-17 18:26:17 -0500 | answered a question | convert std_msgs/Time to float Just use the to_sec method. time_float = msg.header.stamp.to_sec() ROS docs : http://wiki.ros.org/rospy/Overview/Time |
2021-11-17 18:22:35 -0500 | commented question | robot_localization error in odometry with high pitch and tf wrong time You can configure take the Z velocity in body frame = 0 as a measurement. Have you tried that? http://docs.ros.org/en/no |
2021-11-17 01:47:40 -0500 | commented question | robot_localization error in odometry with high pitch and tf wrong time Hi Nachum, I do not understand what you mean by "a robot that can move only on a plane (x-y body) but at a very steep pl |
2021-11-16 00:19:59 -0500 | received badge | ● Nice Answer (source) |
2021-10-21 21:03:15 -0500 | received badge | ● Rapid Responder (source) |
2021-10-21 21:03:15 -0500 | answered a question | Reading data from Topic You might want to look at the subscriber documentation. Essentially you need rospy.spin() so that the callbacks will be |
2021-10-17 21:58:44 -0500 | received badge | ● Rapid Responder (source) |
2021-10-17 21:58:44 -0500 | answered a question | ROS2 Message generation in python package Short answer : No. You can't generate messages on a ROS2 Foxy python package. However, since you can still have python |
2021-09-27 02:05:41 -0500 | commented question | ROS launch error, RPLIDAR Can you please do the following and update your question with the output of the commands? unplug the rplidar. Plug it |
2021-09-27 02:04:47 -0500 | commented question | ROS launch error, RPLIDAR Can you please do the following and update your question with the following? unplug the rplidar. Plug it back again a |
2021-09-27 02:04:20 -0500 | commented question | ROS launch error, RPLIDAR Can you please do the following and update your question with the following? unplug the rplidar. Plug it back again a |
2021-09-27 02:03:47 -0500 | commented question | ROS launch error, RPLIDAR Can you please do the following and update your question with the following? unplug the rplidar. Plug it back again a |
2021-09-27 01:29:35 -0500 | commented answer | What is exact sync message filter? Yes, that should work if you explicitly set the same timestamp to both image messages. |
2021-09-27 01:03:38 -0500 | answered a question | What is exact sync message filter? Publishers and subscribers in ROS are agnostic to each other. So I assume it is for making sure all the published im |
2021-09-27 01:03:38 -0500 | received badge | ● Rapid Responder (source) |
2021-09-23 18:43:55 -0500 | commented answer | Creating a rosbag from images and imu data using bag.write The imu data is inside a sensor_msgs.msg.Imu object, which is imported on this script in the first line. The data struct |
2021-09-23 18:42:06 -0500 | commented answer | Why Rviz2 not confused when ydlidar publishes static tf2? " it appears that it does not matter that the node publishes an invalid-for-my-bot transform as long as I start the robo |
2021-09-23 18:36:21 -0500 | commented answer | Creating a rosbag from images and imu data using bag.write The imu data is inside a sensor_msgs.msg.Imu object, which is imported on this script in the first line. |
2021-09-22 18:14:49 -0500 | commented question | Fps drops during rosbag record and play back Sounds like a network bandwidth issue. Can you please provide the following information? 1. Image size and published rat |
2021-09-22 18:06:22 -0500 | commented question | Why Rviz2 not confused when ydlidar publishes static tf2? This is very interesting. Could you edit your question to include your tf tree and the output of ros2 run tf2_ros tf2_ec |
2021-09-21 18:58:05 -0500 | received badge | ● Rapid Responder (source) |
2021-09-21 18:58:05 -0500 | answered a question | Creating a rosbag from images and imu data using bag.write All you need to do is to create a message instance with data, a topic name and a time stamp for bag, and write it to the |
2021-09-17 01:18:22 -0500 | edited answer | bag to pcd file conversion pcl_ros does not have that capability. After generating the .pcd files using rosrun pcl_ros bag_to_pcd <input_file. |
2021-09-17 01:17:05 -0500 | answered a question | bag to pcd file conversion pcl_ros does not have that capability. You can use a pcd-to-text tools publicly available like THIS and THIS |
2021-09-17 01:11:17 -0500 | edited answer | Including custom header file in ROS2 CMakeList Assuming your directory structure is something like this, tester123 src/ CMakeLists.txt package.xml Create another |
2021-09-17 01:10:53 -0500 | answered a question | Including custom header file in ROS2 CMakeList Assuming your directory structure is something like this, tester123 src/ CMakeLists.txt package.xml Create another |
2021-09-16 19:12:17 -0500 | commented question | Unable to get subscriber event call backs Can you clarify this statement please? " The code compiles and executes and the subscriber is able to receive the mess |
2021-09-15 22:43:33 -0500 | commented question | Faster-than-realtime mapping in ROS 2 For "are there any rosbag2 readers that may be used to play data faster than it was recorded?", have you tried the -x or |
2021-09-13 18:38:09 -0500 | commented question | amcl transforming laserscan Is this on rviz? What's the global frame? |
2021-09-05 23:11:42 -0500 | edited answer | ROS topic tools mux not registering my output when I roslaunch the mux node If you dive into the code of the mux node here, you will see that the publisher is only advertised when the first messag |
2021-09-05 23:09:33 -0500 | answered a question | ROS topic tools mux not registering my output when I roslaunch the mux node If you dive into the code of the mux node here, you will see that the publisher is only advertised when the first messag |
2021-09-05 23:09:33 -0500 | received badge | ● Rapid Responder (source) |
2021-09-05 18:37:13 -0500 | commented answer | hi, i have this error, how can i fix this?? This is starting to feel like an XY problem Why are you building hector-qrcode-detection package when you want to build |
2021-09-02 22:36:11 -0500 | answered a question | hi, i have this error, how can i fix this?? You need to install or build from source hector-worldmodel-msgs package. It doesn't look like there is an apt repositor |
2021-09-02 20:28:53 -0500 | received badge | ● Rapid Responder (source) |
2021-09-02 20:28:53 -0500 | answered a question | roslaunch if/unless for non-boolean arguments You can do this using eval which evaluates an expression and returns a boolean. Eg, in your case you can do <rospara |
2021-09-02 01:22:46 -0500 | edited question | My subscribe method (C++) is not invoked My subscribe method (C++) is not invoked I am using ROS melodic in Docker environment. It consists of various systems an |
2021-08-30 21:52:43 -0500 | received badge | ● Rapid Responder (source) |
2021-08-30 21:52:43 -0500 | answered a question | Problem running rviz through ssh: error creating render window In etc/ssh/sshd_config of computer 2, set X11UseForwarding yes. Make sure to restart the ssh service in computer 2. use |
2021-08-30 09:13:38 -0500 | commented question | Lost messages in a bag What is the order of execution? Are you activating the publisher in one terminal first, and then start the rostopic echo |
2021-08-30 09:12:57 -0500 | commented question | Lost messages in a bag What is the order of execution? Are you activating the publisher in one terminal, and then start the rostopic echo in th |