skpro19's profile - overview

● Good Answer   × 2

• rviz Status Error: No Transform
• rqt ImportError for 'pyqt': No module named 'PyQt5'

● Enlightened   × 1

• rviz Status Error: No Transform

● Popular Question   × 45

• tf::Stamped<tf::Pose> vs geometry_msgs::PoseStamped
• Seeking clarity regarding callback queues and ros::spin()
• Set global_frame and robot_base_frame parameters for costmap_2d::Costmap2DROS object
• Doubt regarding the likelihood field in measurement model
• Looking for an online map pgm repository
• difference between gazebo pose and odometry/filtered pose
• Number of diagonal elements in the pose covariance matrix
• Costmap2DROS::getRobotFootprint() vs Costmap2DROS::getOrientedFootprint()
• Turtlebot3 keeps rotating in Gazebo
• unable to integrate local planner plugin into move_base
• Signifiance of fixed_frame parameter in lookupTransform function
• RRT planner path passing through wall
• Unable to figure out the source for the bad_alloc error
• compile error related to <nav_msgs::Path> publisher
• Seeking clarity regarding the 'node' tag in launch files
• [/rviz] wants topic /visualization_markers to have datatype/md5sum
• seeking clarity regarding visualization markers publishing
• unable to build the package using catkin build
• How to override /opt/ros/melodic/include/move_base/move_base.h?
• Rviz says no transform found even though transform is being published
• accidentally deleted build folder inside the catkin_ws folder
• Unable to output the costmap_2d occupancy grid array
• wrong map produced during multi-robot map merging
• seeking clarity regarding the 'world_frame' parameter in ekf_localization node
• rviz not keeping up with Gazebo
• ekf_localization_node publishes /odom->husky_1/base_link transform instead of husky_1/odom->/husky_1/base_link transform
• husky spawns successfully but spawn_model node not found
• update_frequency vs publish_frequency (costmap parameters)
• How to echo messages published on a particular topic by a node?
• How is Rviz able to get the /odom and /base_link transform from playing rosbag data?
• What is interactive_marker_twist_server package?
• Confusion regarding mx, my variables in costmap_2d::worldToMap method
• Advantage of adding costmap_2d::ObstacleLayer plugin to global costmap
• Global_costmap vs static_map
• turtlebot3_gazebo package not publishing on /scan
• Confusion between ConstPtr vs Ptr
• Unable to build turtlebot3 package from source using catkin build
• Confusion regarding 'arg' heirarchy in launch files
• Need help locating 'ekf_localization node' inside 'robot_localization' package
• Is there a way to control Subscriber callback frequency while using rospy.spin() ?
• husky_robot topples on calling /base_laser -> /odom transform
• bot stops working on changing tf listener 'target_frame' to '/odom', works fine for other frames
• What is the need to set the environmental variable HUSKY_GAZEBO_DESCRIPTION?
• How to pass 'world_name' argument to roslaunch via command line ?
• how often to build a package ?

● Rapid Responder   × 17

• how to create noisy odom topic in ros C++
• Amcl:No laser scan received
• Writing a tf broadcaster (Python)
• Costmap2DROS transform timeout. Current time: 493.0920, global_pose stamp: 492.2210, tolerance: 0.5000
• Output update of robot position coordiantes
• Getting coordinates of robot positions from move_base
• Subscriber won't update constantly/won't call callback function
• Please help me build a simple slam robot, I don't know how to start?
• A small confusion about topics
• How to do off-road navigation without a prior map in ros
• rqt ImportError for 'pyqt': No module named 'PyQt5'
• package installation
• Unable to build turtlebot3 package from source using catkin build
• ROS How can I determine which node is currently feeding a specific topic?
• Tutlesim GO2GOAL python code error : TypeError: unsupported operand type(s) for -: 'str' and 'float'
• trying to run a python script for robot
• How to pass 'world_name' argument to roslaunch via command line ?

● Student   × 1

• Signifiance of fixed_frame parameter in lookupTransform function

● Necromancer   × 1

• How do Publisher/Subscriber Message Queues Work?

● Critic   × 1

• obstacle_range & raytrace_range - precise explanation?

● Nice Answer   × 4

• How do Publisher/Subscriber Message Queues Work?
• How to do off-road navigation without a prior map in ros
• rqt ImportError for 'pyqt': No module named 'PyQt5'
• rviz Status Error: No Transform

● Enthusiast   × 1

● Supporter   × 1

• What is the actual meaning of ros::spin()

● Editor   × 1

• How to change color of turtlesim background using python code

● Scholar   × 1

• bot stops working on changing tf listener 'target_frame' to '/odom', works fine for other frames

● Teacher   × 1

• trying to run a python script for robot

● Associate Editor   × 1

• Unable to build turtlebot3 package from source using catkin build

● Organizer   × 1

• rviz not keeping up with Gazebo

● Commentator   × 1

• bot stops working on changing tf listener 'target_frame' to '/odom', works fine for other frames

● Famous Question   × 32

• tf::Stamped<tf::Pose> vs geometry_msgs::PoseStamped
• Seeking clarity regarding callback queues and ros::spin()
• Signifiance of fixed_frame parameter in lookupTransform function
• Rviz says no transform found even though transform is being published
• Global_costmap vs static_map
• bot stops working on changing tf listener 'target_frame' to '/odom', works fine for other frames
• compile error related to <nav_msgs::Path> publisher
• Confusion regarding mx, my variables in costmap_2d::worldToMap method
• What is interactive_marker_twist_server package?
• Unable to figure out the source for the bad_alloc error
• Unable to output the costmap_2d occupancy grid array
• how often to build a package ?
• Need help locating 'ekf_localization node' inside 'robot_localization' package
• wrong map produced during multi-robot map merging
• How to echo messages published on a particular topic by a node?
• Unable to build turtlebot3 package from source using catkin build
• Turtlebot3 keeps rotating in Gazebo
• [/rviz] wants topic /visualization_markers to have datatype/md5sum
• turtlebot3_gazebo package not publishing on /scan
• Advantage of adding costmap_2d::ObstacleLayer plugin to global costmap
• How is Rviz able to get the /odom and /base_link transform from playing rosbag data?
• husky spawns successfully but spawn_model node not found
• update_frequency vs publish_frequency (costmap parameters)
• husky_robot topples on calling /base_laser -> /odom transform
• unable to build the package using catkin build
• rviz not keeping up with Gazebo
• How to pass 'world_name' argument to roslaunch via command line ?
• accidentally deleted build folder inside the catkin_ws folder
• Confusion between ConstPtr vs Ptr
• ekf_localization_node publishes /odom->husky_1/base_link transform instead of husky_1/odom->/husky_1/base_link transform
• Is there a way to control Subscriber callback frequency while using rospy.spin() ?
• Confusion regarding 'arg' heirarchy in launch files

● Notable Question   × 41

• tf::Stamped<tf::Pose> vs geometry_msgs::PoseStamped
• Seeking clarity regarding callback queues and ros::spin()
• Rviz says no transform found even though transform is being published
• Global_costmap vs static_map
• Confusion regarding mx, my variables in costmap_2d::worldToMap method
• Set global_frame and robot_base_frame parameters for costmap_2d::Costmap2DROS object
• RRT planner path passing through wall
• Number of diagonal elements in the pose covariance matrix
• unable to integrate local planner plugin into move_base
• wrong map produced during multi-robot map merging
• Unable to output the costmap_2d occupancy grid array
• difference between gazebo pose and odometry/filtered pose
• Turtlebot3 keeps rotating in Gazebo
• Seeking clarity regarding the 'node' tag in launch files
• Signifiance of fixed_frame parameter in lookupTransform function
• compile error related to <nav_msgs::Path> publisher
• Unable to figure out the source for the bad_alloc error
• [/rviz] wants topic /visualization_markers to have datatype/md5sum
• unable to build the package using catkin build
• How to override /opt/ros/melodic/include/move_base/move_base.h?
• Advantage of adding costmap_2d::ObstacleLayer plugin to global costmap
• accidentally deleted build folder inside the catkin_ws folder
• How to echo messages published on a particular topic by a node?
• update_frequency vs publish_frequency (costmap parameters)
• husky spawns successfully but spawn_model node not found
• seeking clarity regarding the 'world_frame' parameter in ekf_localization node
• ekf_localization_node publishes /odom->husky_1/base_link transform instead of husky_1/odom->/husky_1/base_link transform
• rviz not keeping up with Gazebo
• What is interactive_marker_twist_server package?
• Is there a way to control Subscriber callback frequency while using rospy.spin() ?
• How to pass 'world_name' argument to roslaunch via command line ?
• How is Rviz able to get the /odom and /base_link transform from playing rosbag data?
• Need help locating 'ekf_localization node' inside 'robot_localization' package
• turtlebot3_gazebo package not publishing on /scan
• Unable to build turtlebot3 package from source using catkin build
• Confusion between ConstPtr vs Ptr
• What is the need to set the environmental variable HUSKY_GAZEBO_DESCRIPTION?
• bot stops working on changing tf listener 'target_frame' to '/odom', works fine for other frames
• Confusion regarding 'arg' heirarchy in launch files
• husky_robot topples on calling /base_laser -> /odom transform
• how often to build a package ?

● Autobiographer   × 1

● Civic Duty   × 1

• What is the difference between message_generation and genmsg?