tryan's profile - overview

● Associate Editor   × 1

• Intercepting images before they are published

● Necromancer   × 1

• level value in dynamic reconfigure

● Organizer   × 1

• " Dynamic " Global Planner ?

● Enlightened   × 1

• action server, service server, or publisher/subscriber. Which one should I use?

● Enthusiast   × 1

● Editor   × 1

• rosbag and parameters dump with unique timestamp in filename

● Teacher   × 1

• rosbag and parameters dump with unique timestamp in filename

● Supporter   × 1

• Custom ROS message with unit8[] in python!

● Commentator   × 1

• ROS Joint_state_publisher error

● Rapid Responder   × 86

• parameter passed to xacro not changing the default one
• Failure to load controllers
• Seeking clarity regarding frame of reference in which robot velocities are provided
• How to use Quaternion from IMU to get the transformation to inertial reference frame?
• rospy.Time.now() sometimes returns 0.
• No world frame in tf tree
• Tf transform failure
• CMake Error when running catkin_make or catkin build
• Trouble installing a package - "Unable to locate package"
• move_base won't subscribe to /scan topic
• Why ROS cannot find my executable when it is at the right place?
• Passing outside parameters into .urdf file using xacro
• Find intrisic camera matrix from gazebo model
• Unable to publish varying list of PoseStamped. gives AttributeError: 'NoneType' object has no attribute 'secs'
• How to combine two topics in one callback (when synchronization is not possible)
• grouping launch file
• How to change the positive direction of coordinates for links?
• Warnings with base_link in namespace for robot_localization
• How to remove recovery behavior?
• Gazebo 'load function' exception with dash in model name
• Rosbag Record Until Disk is Almost Full
• how to start a map
• Custom model slam mapping issues
• dynamic parameters for diff_drive_controller
• How to correct the pose during navigation？
• Axis direction using Rviz
• Python API rosbag write custom message
• Trouble Subscribing to PointCloud2 msg
• Extracting width from PointCloud data
• unexpected output from laser assembler
• Understanding Pointcloud2 data
• Dynamic reconfigure vs Rosparam get.
• Convert pose data into twist message
• How to publish topics at different rates using while loop?
• clear_costamps recovery clear only one layer
• log running nodes
• Spawn_model for gazebo.urdf files
• Communication master-slave (only few topics)
• How to configure my node/computer for processing
• Unable to change the Lidar Scan data color in rviz
• Multi-Agent simulation causing trouble in Rviz
• Generate .pgm and .yaml from a "grid.txt"
• [pointcloud_to_laserscan] publish rate higher than scan_time
• Could not find messages which depends on
• How to visualise under-actuated joints in rviz?
• Using python classes to access information in other functions
• move_base generating path in unknown space
• action server, service server, or publisher/subscriber. Which one should I use?
• Confusion regarding mx, my variables in costmap_2d::worldToMap method
• Trying to access information from another function
• cmd_vel and odometry for different frames?
• TimeStamp of each topic
• Turtle Can't Go to New Goal Point
• Confusion between ConstPtr vs Ptr
• Get timestamp of current message starting from zero in rospy
• Turtlebot3 keeps rotating in Gazebo
• How to move 4 wheeled robot
• Could not find a package configuration file - Custom ROS Package
• See the type of sensor used in simulated robot
• How to use Unity with ROS kinetic?
• How to publish a message when the condition is met for the first time in python?
• Navigation stack problem: robot does not move
• What is the smallest ROS package I should install to be able to use the tutorials.
• rviz, reorientate world frame
• Multiple USB Cameras
• Move_base stuck at Sim period
• How to get desired coordinates with known static_tf?
• How to prevent ROS namespace from overwriting topic names?
• What is the optimal way to filter laser scans that are taken when the robot is tilted (roll/pitch)
• How to set LiDAR rotation when using an "included" file?
• no local costmap
• " Dynamic " Global Planner ?
• navigation stack launch file questions
• calibration data to orb salm 2
• Ubuntu 18.04 RVIZ installation
• catkin_make error: No module named 'catkin_pkg'
• What exactly should the "meshes" folder have ?
• foot print non circular move base
• useless costmap comming
• Set/Reset odometry values
• How to call move_base's clear_costmap_recovery functionality manually from Python
• The root link base_link has an inertia specified in the URDF, but KDL does not support a root link with an inertia
• Creating custom rostopic
• lidar is detecting pillars of robots as obstacles in local map.how to set minimum range of scan sensor or any other method to solve this problem
• How to publish a message to a topic while playing rosbag?
• subscriber callback in a python class is overwriting the class variables with the most recent data before the first callback processing finishes.

● Nice Answer   × 17

• move_base generating path in unknown space
• Seeking clarity regarding frame of reference in which robot velocities are provided
• How to rearrange the panels and displays in rviz
• clear_costamps recovery clear only one layer
• Find intrisic camera matrix from gazebo model
• Unable to change the Lidar Scan data color in rviz
• log running nodes
• Spawn_model for gazebo.urdf files
• How can I test a ros package version from python script
• Could not find messages which depends on
• How to visualise under-actuated joints in rviz?
• action server, service server, or publisher/subscriber. Which one should I use?
• Turtle Can't Go to New Goal Point
• How to publish a message when the condition is met for the first time in python?
• useless costmap comming
• foot print non circular move base
• lidar is detecting pillars of robots as obstacles in local map.how to set minimum range of scan sensor or any other method to solve this problem

● Good Answer   × 4

• How to rearrange the panels and displays in rviz
• Spawn_model for gazebo.urdf files
• Unable to change the Lidar Scan data color in rviz
• action server, service server, or publisher/subscriber. Which one should I use?

● Civic Duty   × 1

• Hokuyo laser intermittent and not scanning entire area

● Critic   × 1

• Can't see scan in rviz

● Citizen Patrol   × 1

• 2021 Recommended specifications for a PC to manage a telemanipulation setup in ROS (nodes, tf, rviz, and rosbag)