Pi Robot's profile - overview

● Nice Answer   × 25

• python PointCloud2 read_points() problem
• Converting Kinect RGB image to OpenCV gives wrong colours
• roscd pointing to wrong folder
• How to display the Kinect point cloud using image colours?
• 2D SLAM with gmapping and openni_kinect
• roslaunch pi_tracker tracker
• Running a simulated odometry node
• Dynamic Reconfigure to camera.yaml file?
• TypeError: <unknown> is not a numpy array in pi_head_tracking_tutorial
• Text to speech in a python node
• Visualization of odometry msgs
• displaying COLLADA 1.4 models in rviz
• navigation tutorial dependencies
• Why roslaunch couldn't show the ROS_INFO message?
• How to adjust speed of turtlebot in Gmapping?
• rviz crashing at startup with BadDrawable
• How to run rviz with OGRE_RTT_MODE set to "Copy" or "FBO"
• Talk to Your Robot
• How to orient pan tilt kinect "head" and the turtlebot arm
• rosbridge JSON format for std_msgs/String error
• Cannot locate python node
• Why so much spinning in place with move_base?
• rosbridge_websocket.launch on fuerte
• Does ros_arduino_bridge support a gyro or imu?
• rospy Custom message; "ImportError: No module named msg"

● Good Question   × 18

• Clearing costmap to unstuck robot (3.000000m)
• How to check xacro syntax like check_urdf?
• Can a SMACH state machine be paused and resumed?
• How to get real-world width & height of Kinect video patch?
• openni_node.launch: Warning: recursive print statement has occurred
• Looking for Blender robot model example to use with ROS
• move_base parameters when odometry is perfect?
• Why so much spinning in place with move_base?
• How do keyword searches on www.ros.org work?
• Why is Groovy's rosmake so slow?
• Groovy Python node cannot find move_base_msgs module
• Turtlebot calibration with Hokuyo laser?
• Keyword searches broken on wiki.ros.org?
• How to Ctrl-C out of a SMACH state machine?
• Effects of manually editing gmapping maps?
• How to 'catkin_make clean' just one package?
• Frame offsets for Kinect and Asus Xtion Pro Live?
• How to track success/failure of SMACH states

● Nice Question   × 39

• min_obstacle_height seems ignored in costmap_2d with laserscan pointcloud
• Changing map_saver map size and resolution?
• Odd "pulsed" acceleration when using amcl and move_base
• catkin package cannot find own message type (python)
• move_base node dies - can't tell why
• openni_node.launch: Warning: recursive print statement has occurred
• Is the Kinect's IMU being used on the TurtleBot?
• How to get real-world width & height of Kinect video patch?
• Getting power from iRobot Create Command Module?
• How to compile openni_ros with SSE2 only support?
• Looking for Blender robot model example to use with ROS
• RViz does not respect transparency (alpha) for a simple URDF component (e.g. cylinder)
• IK works in planning visualizer but often fails on real robot
• Turtlebot calibration with Hokuyo laser?
• move_base parameters when odometry is perfect?
• Why so much spinning in place with move_base?
• Meaning of the move_base simple_attractor parameter?
• rosserial "Lost sync" over Arduino Uno XBee connection
• How do keyword searches on www.ros.org work?
• Getting PointCloud2 data in Python?
• Why is Groovy's rosmake so slow?
• Groovy Python node cannot find move_base_msgs module
• How to Ctrl-C out of a SMACH state machine?
• 'roscd package' for catkin packages moves to nearly empty directory
• Effects of manually editing gmapping maps?
• How to 'catkin_make clean' just one package?
• Keyword searches broken on wiki.ros.org?
• How to track success/failure of SMACH states
• Frame offsets for Kinect and Asus Xtion Pro Live?
• ROS implementation of Behavior Trees?
• Exceptions not being caught using rosbridge version 1.0
• RViz odometry arrows displaced from base_link
• How to check xacro syntax like check_urdf?
• costmap_2d TrajectoryPlannerROS cost_cloud not being published
• Improving face recognition with cob_people_detection?
• cv_bridge and IplImage -> Mat when going from OpenCV 2.1 to OpenCV 2.3?
• Can a SMACH state machine be paused and resumed?
• Clearing costmap to unstuck robot (3.000000m)
• Need help updating ar_track_alvar for 32-bit systems

● Favorite Question   × 6

• How do keyword searches on www.ros.org work?
• How to Ctrl-C out of a SMACH state machine?
• Groovy navigation setup fails under Hydro
• How to compile openni_ros with SSE2 only support?
• Can a SMACH state machine be paused and resumed?
• How to track success/failure of SMACH states

● Critic   × 1

• ROS navigation slam example

● Enthusiast   × 1

● Necromancer   × 1

• rospy Custom message; "ImportError: No module named msg"

● Stellar Question   × 1

• How to Ctrl-C out of a SMACH state machine?

● Civic Duty   × 1

• wviz missing visualization control panel button

● Editor   × 1

• roscd pointing to wrong folder

● Supporter   × 1

• Adding a dependency after roscreate-pkg

● Teacher   × 1

• roscd pointing to wrong folder

● Taxonomist   × 1

● Commentator   × 1

• openni_node.launch: Warning: recursive print statement has occurred

● Enlightened   × 1

• roscd pointing to wrong folder

● Scholar   × 1

• How to check xacro syntax like check_urdf?

● Student   × 1

• How to check xacro syntax like check_urdf?

● Self-Learner   × 8

• move_base node dies - can't tell why
• TypeError: <unknown> is not a numpy array in pi_head_tracking_tutorial
• OpenCV 2.3 RC Python SVM: TypeError: <unknown> is not a numpy array
• Can no longer connect to move_base server
• RViz odometry arrows displaced from base_link
• Why so much spinning in place with move_base?
• Groovy navigation setup fails under Hydro
• Building catkin package with external dependency

● Guru   × 9

• Why so much spinning in place with move_base?
• roscd pointing to wrong folder
• Dynamic Reconfigure to camera.yaml file?
• rospy Custom message; "ImportError: No module named msg"
• How to display the Kinect point cloud using image colours?
• rviz crashing at startup with BadDrawable
• Why roslaunch couldn't show the ROS_INFO message?
• Cannot locate python node
• Text to speech in a python node

● Great Answer   × 9

• Why so much spinning in place with move_base?
• roscd pointing to wrong folder
• Dynamic Reconfigure to camera.yaml file?
• rospy Custom message; "ImportError: No module named msg"
• How to display the Kinect point cloud using image colours?
• rviz crashing at startup with BadDrawable
• Why roslaunch couldn't show the ROS_INFO message?
• Cannot locate python node
• Text to speech in a python node

● Popular Question   × 113

• 404 on source.yaml rosdistro file
• dynparam dump recursively?
• How to update a Gtk window from ROS subscriber callback?
• Looping a sequence in py_trees
• openni_node.launch: Warning: recursive print statement has occurred
• How to compile openni_ros with SSE2 only support?
• openni_tracker shows skeleton upside down in RViz
• How to segment/extract a sphere using pcl_ros?
• Is the Kinect's IMU being used on the TurtleBot?
• move_base node dies - can't tell why
• gmapping + iRobot Create + Hokuyo laser scanner
• OpenCV camshift.py sample broken after Diamondback upgrade
• Getting an (x, y) -> depth map in Python from a Kinect?
• Displaying an openni_tracker skeleton in RViz?
• How to use tf to point a Kinect toward a target location?
• OpenCV 2.3 RC Python SVM: TypeError: <unknown> is not a numpy array
• Looking for Blender robot model example to use with ROS
• How to get real-world width & height of Kinect video patch?
• Videre STOC disparity map OK under Windows, not under Ubuntu
• How to synchronize image and marker display between two ROS nodes
• openni_node.launch no longer in openni_camera?
• Can openni_tracker calibration be avoided for successive users?
• TypeError: <unknown> is not a numpy array in pi_head_tracking_tutorial
• Turtlebot disconnects when additional /dev/ttyUSB port is active
• Can material colors be applied to Collada (.dae) meshes?
• Cannot play AVI files with Diamondback Debian OpenCV
• Covariance/filter errors when launching robot_pose_ekf + iRobot Create
• Getting power from iRobot Create Command Module?
• IK works in planning visualizer but often fails on real robot
• rosserial "Lost sync" over Arduino Uno XBee connection
• Electric get_fk forward kinematics fails simple test
• Odd "pulsed" acceleration when using amcl and move_base
• cv_bridge and IplImage -> Mat when going from OpenCV 2.1 to OpenCV 2.3?
• Starting state is in collision error when running new arm navigation stack
• constraint_aware_simple_arm_server hanging on waitForService environment server at startup
• Turtlebot calibration with Hokuyo laser?
• Correct way to publish a 3D PointStamped target for head tracking?
• OpenRave installation fails under Electric + Ubuntu 10.04
• Can't get turtlebot_teleop to work with Logitech Logitech Cordless RumblePad 2
• Setting the TurtleBot odom_linear_scale_correction parameter
• Getting PointCloud2 data in Python?
• Meaning of the move_base simple_attractor parameter?
• How do keyword searches on www.ros.org work?
• Effects of manually editing gmapping maps?
• Changing map_saver map size and resolution?
• Why so much spinning in place with move_base?
• RViz odometry arrows displaced from base_link
• move_base parameters when odometry is perfect?
• How to check xacro syntax like check_urdf?
• arm_navigation visualization error: No default planner configuration defined under 'default_planner_config'. A default planner must be defined from among the configured planners
• How to detect mouse input in ecto?
• wviz missing visualization control panel button
• Turning ROS nodes on and off (subsumption style)?
• Can a rosbridge HTML client access ROS parameters?
• Creating filter pipelines for OpenCV
• ReIn-like framework for OpenCV+ROS+Python?
• TurtleBot gmapping and amcl demos FATAL footprint error for move_base
• costmap_2d TrajectoryPlannerROS cost_cloud not being published
• Exceptions not being caught using rosbridge version 1.0
• Retrieving map data as an image for a rosbridge app
• ecto installation fails on 'git submodule update'
• opencv2 sources missing on code.ros.org?
• Filtering spikes from range data
• Can no longer connect to move_base server
• "Lost sync" with Arbotix and rosserial
• RViz does not respect transparency (alpha) for a simple URDF component (e.g. cylinder)
• Cannot get rosdep.yaml to work properly under Electric
• collada_urdf error: No name given for the robot
• How to change "Source" url on ROS Wiki for a package or stack?
• Why is Groovy's rosmake so slow?
• Synchronizing image display and services between two ROS nodes
• Groovy Python node cannot find move_base_msgs module
• Releasing non-catkin Groovy packages through the build farm
• Cancelling a ROS action within an executive_teer node
• How to Ctrl-C out of a SMACH state machine?
• Can a SMACH state machine be paused and resumed?
• 'roscd package' for catkin packages moves to nearly empty directory
• Real life SMACH examples?
• rosbridge (v1) suffers video delay over mjpeg_server
• Suppressing wheel joint errors when using MoveIt!
• How to 'catkin_make clean' just one package?
• dynamixel_motor launch file timing problems
• actionlib ABORTED status "sticks" between goals
• Keyword searches broken on wiki.ros.org?
• How to track success/failure of SMACH states
• ROS implementation of Behavior Trees?
• Using SMACH to monitor robot battery level
• Frame offsets for Kinect and Asus Xtion Pro Live?
• Groovy navigation setup fails under Hydro
• rosbuild_genmsg() fails under Hydro
• Need help converting a package to catkin
• catkin package cannot find own message type (python)
• Building catkin package with external dependency
• catkin package cannot find its own message type (python)
• A rospy subscriber callback thread locking question
• Creating distro-specific documentation on wiki.ros.org
• Jenkins build error on documentation
• Need help updating ar_track_alvar for 32-bit systems
• Using roslibjs to read a ROS parameter
• rosws init ~/rosbuild_ws ~/catkin_ws/devel not working?
• How to iterate through output points when using Ecto
• Problem running rtabmap_ros against a bag file
• Kobuki "gyro" versus "inertia" packets?
• Unexplained grid_map cells using RTAB-map
• Kobuki 12V 1.5A connector?
• Clearing costmap to unstuck robot (3.000000m)
• Improving face recognition with cob_people_detection?
• Is there a standard "location" message type?
• Subscriber losing connection to topic on same computer
• Social navigation layers not working under ROS Indigo
• Getting distance to head from cob_people_detection
• LIDAR produces "phantom walls"
• min_obstacle_height seems ignored in costmap_2d with laserscan pointcloud

● Great Question   × 7

• How to check xacro syntax like check_urdf?
• Why so much spinning in place with move_base?
• How do keyword searches on www.ros.org work?
• Why is Groovy's rosmake so slow?
• How to 'catkin_make clean' just one package?
• move_base parameters when odometry is perfect?
• How to Ctrl-C out of a SMACH state machine?

● Good Answer   × 15

• navigation tutorial dependencies
• Running a simulated odometry node
• rospy Custom message; "ImportError: No module named msg"
• roscd pointing to wrong folder
• How to display the Kinect point cloud using image colours?
• 2D SLAM with gmapping and openni_kinect
• Dynamic Reconfigure to camera.yaml file?
• Text to speech in a python node
• Visualization of odometry msgs
• Why roslaunch couldn't show the ROS_INFO message?
• rviz crashing at startup with BadDrawable
• How to run rviz with OGRE_RTT_MODE set to "Copy" or "FBO"
• Talk to Your Robot
• Cannot locate python node
• Why so much spinning in place with move_base?

● Notable Question   × 113

• 404 on source.yaml rosdistro file
• dynparam dump recursively?
• How to update a Gtk window from ROS subscriber callback?
• Looping a sequence in py_trees
• openni_node.launch: Warning: recursive print statement has occurred
• How to compile openni_ros with SSE2 only support?
• openni_tracker shows skeleton upside down in RViz
• gmapping + iRobot Create + Hokuyo laser scanner
• OpenCV 2.3 RC Python SVM: TypeError: <unknown> is not a numpy array
• How to segment/extract a sphere using pcl_ros?
• OpenCV camshift.py sample broken after Diamondback upgrade
• Getting an (x, y) -> depth map in Python from a Kinect?
• Looking for Blender robot model example to use with ROS
• move_base node dies - can't tell why
• openni_node.launch no longer in openni_camera?
• Is the Kinect's IMU being used on the TurtleBot?
• Displaying an openni_tracker skeleton in RViz?
• How to get real-world width & height of Kinect video patch?
• Turtlebot disconnects when additional /dev/ttyUSB port is active
• How to use tf to point a Kinect toward a target location?
• How to synchronize image and marker display between two ROS nodes
• Can material colors be applied to Collada (.dae) meshes?
• cv_bridge and IplImage -> Mat when going from OpenCV 2.1 to OpenCV 2.3?
• Covariance/filter errors when launching robot_pose_ekf + iRobot Create
• Odd "pulsed" acceleration when using amcl and move_base
• Electric get_fk forward kinematics fails simple test
• Videre STOC disparity map OK under Windows, not under Ubuntu
• rosserial "Lost sync" over Arduino Uno XBee connection
• constraint_aware_simple_arm_server hanging on waitForService environment server at startup
• Cannot play AVI files with Diamondback Debian OpenCV
• Setting the TurtleBot odom_linear_scale_correction parameter
• Getting PointCloud2 data in Python?
• Meaning of the move_base simple_attractor parameter?
• How do keyword searches on www.ros.org work?
• Effects of manually editing gmapping maps?
• Changing map_saver map size and resolution?
• Why so much spinning in place with move_base?
• IK works in planning visualizer but often fails on real robot
• RViz odometry arrows displaced from base_link
• move_base parameters when odometry is perfect?
• How to check xacro syntax like check_urdf?
• arm_navigation visualization error: No default planner configuration defined under 'default_planner_config'. A default planner must be defined from among the configured planners
• How to detect mouse input in ecto?
• Turning ROS nodes on and off (subsumption style)?
• Correct way to publish a 3D PointStamped target for head tracking?
• Can't get turtlebot_teleop to work with Logitech Logitech Cordless RumblePad 2
• wviz missing visualization control panel button
• Getting power from iRobot Create Command Module?
• Turtlebot calibration with Hokuyo laser?
• Creating filter pipelines for OpenCV
• Can a rosbridge HTML client access ROS parameters?
• ReIn-like framework for OpenCV+ROS+Python?
• TurtleBot gmapping and amcl demos FATAL footprint error for move_base
• costmap_2d TrajectoryPlannerROS cost_cloud not being published
• ecto installation fails on 'git submodule update'
• OpenRave installation fails under Electric + Ubuntu 10.04
• opencv2 sources missing on code.ros.org?
• Starting state is in collision error when running new arm navigation stack
• Can no longer connect to move_base server
• "Lost sync" with Arbotix and rosserial
• Retrieving map data as an image for a rosbridge app
• RViz does not respect transparency (alpha) for a simple URDF component (e.g. cylinder)
• Exceptions not being caught using rosbridge version 1.0
• collada_urdf error: No name given for the robot
• How to change "Source" url on ROS Wiki for a package or stack?
• Cannot get rosdep.yaml to work properly under Electric
• Why is Groovy's rosmake so slow?
• Can openni_tracker calibration be avoided for successive users?
• Filtering spikes from range data
• Synchronizing image display and services between two ROS nodes
• Groovy Python node cannot find move_base_msgs module
• Can a SMACH state machine be paused and resumed?
• Suppressing wheel joint errors when using MoveIt!
• Real life SMACH examples?
• 'roscd package' for catkin packages moves to nearly empty directory
• How to Ctrl-C out of a SMACH state machine?
• rosbridge (v1) suffers video delay over mjpeg_server
• How to 'catkin_make clean' just one package?
• Cancelling a ROS action within an executive_teer node
• dynamixel_motor launch file timing problems
• Releasing non-catkin Groovy packages through the build farm
• Keyword searches broken on wiki.ros.org?
• How to track success/failure of SMACH states
• Using SMACH to monitor robot battery level
• Frame offsets for Kinect and Asus Xtion Pro Live?
• Groovy navigation setup fails under Hydro
• actionlib ABORTED status "sticks" between goals
• ROS implementation of Behavior Trees?
• Need help converting a package to catkin
• catkin package cannot find own message type (python)
• rosbuild_genmsg() fails under Hydro
• Building catkin package with external dependency
• catkin package cannot find its own message type (python)
• A rospy subscriber callback thread locking question
• Creating distro-specific documentation on wiki.ros.org
• TypeError: <unknown> is not a numpy array in pi_head_tracking_tutorial
• Jenkins build error on documentation
• Using roslibjs to read a ROS parameter
• rosws init ~/rosbuild_ws ~/catkin_ws/devel not working?
• Problem running rtabmap_ros against a bag file
• Kobuki "gyro" versus "inertia" packets?
• How to iterate through output points when using Ecto
• Kobuki 12V 1.5A connector?
• Unexplained grid_map cells using RTAB-map
• Clearing costmap to unstuck robot (3.000000m)
• Improving face recognition with cob_people_detection?
• Subscriber losing connection to topic on same computer
• Is there a standard "location" message type?
• Getting distance to head from cob_people_detection
• Social navigation layers not working under ROS Indigo
• LIDAR produces "phantom walls"
• min_obstacle_height seems ignored in costmap_2d with laserscan pointcloud
• Need help updating ar_track_alvar for 32-bit systems

● Famous Question   × 108

• How to update a Gtk window from ROS subscriber callback?
• How to iterate through output points when using Ecto
• Looping a sequence in py_trees
• Looking for Blender robot model example to use with ROS
• OpenCV 2.3 RC Python SVM: TypeError: <unknown> is not a numpy array
• openni_tracker shows skeleton upside down in RViz
• How to compile openni_ros with SSE2 only support?
• Cannot play AVI files with Diamondback Debian OpenCV
• How to get real-world width & height of Kinect video patch?
• openni_node.launch: Warning: recursive print statement has occurred
• Getting PointCloud2 data in Python?
• constraint_aware_simple_arm_server hanging on waitForService environment server at startup
• Displaying an openni_tracker skeleton in RViz?
• gmapping + iRobot Create + Hokuyo laser scanner
• openni_node.launch no longer in openni_camera?
• How do keyword searches on www.ros.org work?
• Effects of manually editing gmapping maps?
• Why so much spinning in place with move_base?
• Electric get_fk forward kinematics fails simple test
• IK works in planning visualizer but often fails on real robot
• Is the Kinect's IMU being used on the TurtleBot?
• Can material colors be applied to Collada (.dae) meshes?
• RViz odometry arrows displaced from base_link
• move_base parameters when odometry is perfect?
• How to check xacro syntax like check_urdf?
• rosserial "Lost sync" over Arduino Uno XBee connection
• Covariance/filter errors when launching robot_pose_ekf + iRobot Create
• How to synchronize image and marker display between two ROS nodes
• arm_navigation visualization error: No default planner configuration defined under 'default_planner_config'. A default planner must be defined from among the configured planners
• How to detect mouse input in ecto?
• move_base node dies - can't tell why
• Odd "pulsed" acceleration when using amcl and move_base
• How to use tf to point a Kinect toward a target location?
• Correct way to publish a 3D PointStamped target for head tracking?
• Can't get turtlebot_teleop to work with Logitech Logitech Cordless RumblePad 2
• Getting power from iRobot Create Command Module?
• How to segment/extract a sphere using pcl_ros?
• Turtlebot calibration with Hokuyo laser?
• Changing map_saver map size and resolution?
• Creating filter pipelines for OpenCV
• cv_bridge and IplImage -> Mat when going from OpenCV 2.1 to OpenCV 2.3?
• ReIn-like framework for OpenCV+ROS+Python?
• Turning ROS nodes on and off (subsumption style)?
• TurtleBot gmapping and amcl demos FATAL footprint error for move_base
• costmap_2d TrajectoryPlannerROS cost_cloud not being published
• ecto installation fails on 'git submodule update'
• OpenRave installation fails under Electric + Ubuntu 10.04
• Turtlebot disconnects when additional /dev/ttyUSB port is active
• opencv2 sources missing on code.ros.org?
• Starting state is in collision error when running new arm navigation stack
• Getting an (x, y) -> depth map in Python from a Kinect?
• Videre STOC disparity map OK under Windows, not under Ubuntu
• Can no longer connect to move_base server
• "Lost sync" with Arbotix and rosserial
• RViz does not respect transparency (alpha) for a simple URDF component (e.g. cylinder)
• Setting the TurtleBot odom_linear_scale_correction parameter
• Meaning of the move_base simple_attractor parameter?
• collada_urdf error: No name given for the robot
• OpenCV camshift.py sample broken after Diamondback upgrade
• Can a rosbridge HTML client access ROS parameters?
• How to change "Source" url on ROS Wiki for a package or stack?
• Why is Groovy's rosmake so slow?
• Can openni_tracker calibration be avoided for successive users?
• Synchronizing image display and services between two ROS nodes
• wviz missing visualization control panel button
• Groovy Python node cannot find move_base_msgs module
• Filtering spikes from range data
• 'roscd package' for catkin packages moves to nearly empty directory
• Retrieving map data as an image for a rosbridge app
• rosbridge (v1) suffers video delay over mjpeg_server
• Suppressing wheel joint errors when using MoveIt!
• Can a SMACH state machine be paused and resumed?
• How to 'catkin_make clean' just one package?
• How to Ctrl-C out of a SMACH state machine?
• Real life SMACH examples?
• Exceptions not being caught using rosbridge version 1.0
• Groovy navigation setup fails under Hydro
• ROS implementation of Behavior Trees?
• Cannot get rosdep.yaml to work properly under Electric
• Keyword searches broken on wiki.ros.org?
• Frame offsets for Kinect and Asus Xtion Pro Live?
• catkin package cannot find own message type (python)
• catkin package cannot find its own message type (python)
• Need help converting a package to catkin
• dynamixel_motor launch file timing problems
• actionlib ABORTED status "sticks" between goals
• Using SMACH to monitor robot battery level
• rosbuild_genmsg() fails under Hydro
• How to track success/failure of SMACH states
• TypeError: <unknown> is not a numpy array in pi_head_tracking_tutorial
• A rospy subscriber callback thread locking question
• Building catkin package with external dependency
• Jenkins build error on documentation
• Using roslibjs to read a ROS parameter
• rosws init ~/rosbuild_ws ~/catkin_ws/devel not working?
• Releasing non-catkin Groovy packages through the build farm
• Problem running rtabmap_ros against a bag file
• Cancelling a ROS action within an executive_teer node
• Unexplained grid_map cells using RTAB-map
• Clearing costmap to unstuck robot (3.000000m)
• Kobuki 12V 1.5A connector?
• Kobuki "gyro" versus "inertia" packets?
• Subscriber losing connection to topic on same computer
• Improving face recognition with cob_people_detection?
• LIDAR produces "phantom walls"
• min_obstacle_height seems ignored in costmap_2d with laserscan pointcloud
• Social navigation layers not working under ROS Indigo
• Need help updating ar_track_alvar for 32-bit systems