Mehdi.'s profile - overview

● Self-Learner   × 12

• Yet another tf problem
• Roslaunch and env variables for HOSTNAME
• Third-party ros messages
• Monocular camera calibration for Nao
• Local costmap is empty
• pi_face_tracker Idle waiting for image input
• Open python scripts in QtCreator
• laser_scan_matcher always diverges
• tf_echo can find transform but waitForTransform can't
• point_cloud2.read_points and then?
• Costmap2DROS transform timeout
• Where is the main function in Rosjava

● Nice Question   × 18

• point_cloud2.read_points and then?
• How to ignore "Computed solution is approximate" when planning robotic arm trajectories
• Costmap2DROS transform timeout
• Controlling transitions between states in SMACH
• How to correctly respawn a nodelet manager
• How to transform a pose
• Roslaunch and env variables for HOSTNAME
• Python and C++ nodes in the same package
• What should I upload exactly to GitHub
• What is the meaning of the nine dots?
• Update to OpenCV 3 without destroying everything
• Draw Camera Pose in Rviz
• How to correctly reset time
• Confusing tf transforms
• Local costmap is empty
• rosrun of a working python script fails
• How do you calibrate the extrinsic parameters?
• tf_echo can find transform but waitForTransform can't

● Nice Answer   × 32

• is it possible to use a nodelet manager across multiple namespaces?
• Is there a topic for camera FOV info?
• E: unable to locate package ros-indigo-desktop-full
• Where do the codes reside when I install a ROS package using apt?
• Costmap2DROS transform timeout
• What ROS distribution with OpenCV 4
• Roslaunch and env variables for HOSTNAME
• point_cloud2.read_points and then?
• Third-party ros messages
• how to make a scriptable robot?
• rosdep update Permission error
• Installing ROS on Nexus 4
• object detection
• ROS: Skill required?
• Hi, I'm working on a multi-robot project. Robots need to talk to each other directly.
• Process images
• A display question about Opencv&ROS
• How to install packages under ROS
• add opencv to indigo
• How to use OpenCV to process image
• camera matrix differs from given example in ROS
• can any dslr camera be used as webcam in ROS
• How amcl works?
• Object Recognition Kitchen CMake Fail
• How to display a cube on rviz?
• Local costmap is empty
• Confused about coordinate frames. Can someone please explain?
• Learning ROS Book: Chapter 2 is missing header file
• Return a value from a callback function
• tf_echo can find transform but waitForTransform can't
• Creating a ROS subscriber within a class constructor?
• Is ROS compatible with Python and can it run on a Raspberry Pi

● Good Question   × 11

• point_cloud2.read_points and then?
• Draw Camera Pose in Rviz
• How to correctly respawn a nodelet manager
• tf_echo can find transform but waitForTransform can't
• Roslaunch and env variables for HOSTNAME
• Confusing tf transforms
• What should I upload exactly to GitHub
• What is the meaning of the nine dots?
• Update to OpenCV 3 without destroying everything
• How to correctly reset time
• Python and C++ nodes in the same package

● Favorite Question   × 6

• Problem working with vanilla cmake packages as dependencies in caktin_ws
• Trajectory constraints lead to discontinuous joint planning
• Indoor navigation frameworks
• How to correctly respawn a nodelet manager
• Natural language processing in ROS
• controller_manager spawner dies after spawning

● Necromancer   × 5

• is it possible to use a nodelet manager across multiple namespaces?
• Sending goal for navigation using SimpleActionClient
• pi_face_tracker Idle waiting for image input
• Creating a ROS subscriber within a class constructor?
• Costmap2DROS transform timeout

● Critic   × 1

• Problem with using opencv_GPU inside ROS

● Popular Question   × 91

• How to manage extrinsic sensor calibration dynamically with urdf?
• Generate debian package with custom CMake args
• Correctly handling file deletes in packages in catkin_ws
• How to ignore "Computed solution is approximate" when planning robotic arm trajectories
• Trajectory constraints lead to discontinuous joint planning
• Unsubscribe a message_filters.ApproximateTimeSynchronizer
• Installing melodic on linux mint tara (19)
• Is it possible to relay topics grouped in a namespace?
• How to use the flat containers from ros_type_introspection
• Should tf frames exist at all times?
• Understanding the bytes in a pcl2 message
• Is there any humanoid robot simulation working on Kinetic?
• Third-party ros messages
• Where is the main function in Rosjava
• Include rosjava node in a Java project under eclipse
• Nao microphones and google API in ROS
• Python and C++ nodes in the same package
• rosrun of a working python script fails
• Visualize services in rqt_graph
• Controlling transitions between states in SMACH
• Where should I put generated Python srv
• pi_face_tracker Idle waiting for image input
• Callback Based SimpleActionClient with Python
• What should I upload exactly to GitHub
• How to load a file contained in a package
• Natural language processing in ROS
• How to remove the <p> and <br> from my profile description
• Interrupt or hold the execution of a state
• OpenCv GPU problem
• Make generated messages visible for an IDE
• What is the meaning of the nine dots?
• ROS Indigo and libav libraries' version
• Monocular camera calibration for Nao
• content of a node's publications
• odom → base_footprint
• amcl not publishing map -> odom
• Rebroadcast tf transforms with different frame_id on the fly
• Local costmap is empty
• Importerror : cannot import name
• 3 Computers Setting with ROS : Wifi -> (Wifi-Ethernet) -> Ethernet
• How do you calibrate the extrinsic parameters?
• Eigen not found
• Ros industrial calibration linking error
• How do you deal with the "Kidnapped robot problem"
• Detecting AR Markers pose with a fisheye lense
• Open python scripts in QtCreator
• This robot has a joint named "foo" which is not in the gazebo model.
• nao_teleop with keyboard?
• controller_manager spawner dies after spawning
• Load all joints with controller_manager
• Automatically get missing package dependencies
• Debugging urdf parsing problems in gazebo_ros
• Yet another tf problem
• How to transform a pose
• Invert a pose using tf
• Identity of message publisher
• robot_localization use case with landmarks
• Multimodal landmarks for EKF
• How to correctly reset time
• Update to OpenCV 3 without destroying everything
• How to use opencv3 package
• Indoor navigation frameworks
• Costmap2DROS transform timeout
• odom_config parameter in robot_localization
• Structure from motion with covariance in ROS
• Error compiling web_video_server
• Compiling scan_tools
• rosserial too big for Arduino
• Lidar extrinsic calibration
• Confusing tf transforms
• Effects of wrong lidar calibration
• Execution time of callback function
• tf_echo can find transform but waitForTransform can't
• Annoying "Opening stream" on Firefox with web_video_server
• Bearing only slam
• laser_scan_matcher always diverges
• ethzasl_icp_mapping for ROS Indigo
• Draw Camera Pose in Rviz
• point_cloud2.read_points and then?
• Roslaunch and env variables for HOSTNAME
• Cover an angle range from -210 to -150 degrees for a laser scan
• URDF of a box with image texture
• Depthcloud and Pointcloud2 not consistent in Rviz
• How to correctly respawn a nodelet manager
• Remap joint_states spawned in Gazebo
• QtCreator breaking my workspace
• Read message structure at runtime from advertised topic
• Transform data to a buffer and publish it
• Rosbag API and TF transforming tools
• Where is the message definition stored?
• Dynamically change box dimensions before spawning in Gazebo

● Student   × 1

• Third-party ros messages

● Scholar   × 1

• Third-party ros messages

● Editor   × 1

• Include rosjava node in a Java project under eclipse

● Rapid Responder   × 6

• Is there a topic for camera FOV info?
• Where do the codes reside when I install a ROS package using apt?
• How much time do I need (approximately) to learn ROS and create my own package?
• What ROS distribution with OpenCV 4
• which version of ROS to install?
• How do you save ROS tutorial subscriber data?

● Great Question   × 3

• How to correctly respawn a nodelet manager
• Confusing tf transforms
• What is the meaning of the nine dots?

● Supporter   × 1

• Third-party ros messages

● Enthusiast   × 1

● Teacher   × 1

• Third-party ros messages

● Good Answer   × 15

• Hi, I'm working on a multi-robot project. Robots need to talk to each other directly.
• Local costmap is empty
• tf_echo can find transform but waitForTransform can't
• Roslaunch and env variables for HOSTNAME
• Creating a ROS subscriber within a class constructor?
• Return a value from a callback function
• Third-party ros messages
• how to make a scriptable robot?
• ROS: Skill required?
• rosdep update Permission error
• Confused about coordinate frames. Can someone please explain?
• How amcl works?
• Process images
• add opencv to indigo
• How to install packages under ROS

● Great Answer   × 4

• Return a value from a callback function
• How amcl works?
• ROS: Skill required?
• Confused about coordinate frames. Can someone please explain?

● Autobiographer   × 1

● Notable Question   × 90

• How to manage extrinsic sensor calibration dynamically with urdf?
• Generate debian package with custom CMake args
• Correctly handling file deletes in packages in catkin_ws
• How to ignore "Computed solution is approximate" when planning robotic arm trajectories
• Trajectory constraints lead to discontinuous joint planning
• Installing melodic on linux mint tara (19)
• Unsubscribe a message_filters.ApproximateTimeSynchronizer
• Is it possible to relay topics grouped in a namespace?
• How to use the flat containers from ros_type_introspection
• Should tf frames exist at all times?
• Understanding the bytes in a pcl2 message
• Is there any humanoid robot simulation working on Kinetic?
• Read message structure at runtime from advertised topic
• Third-party ros messages
• Where is the main function in Rosjava
• Include rosjava node in a Java project under eclipse
• Python and C++ nodes in the same package
• Nao microphones and google API in ROS
• Controlling transitions between states in SMACH
• rosrun of a working python script fails
• What should I upload exactly to GitHub
• How to load a file contained in a package
• Natural language processing in ROS
• How to remove the <p> and <br> from my profile description
• Visualize services in rqt_graph
• Interrupt or hold the execution of a state
• OpenCv GPU problem
• What is the meaning of the nine dots?
• Make generated messages visible for an IDE
• pi_face_tracker Idle waiting for image input
• Monocular camera calibration for Nao
• Callback Based SimpleActionClient with Python
• odom → base_footprint
• amcl not publishing map -> odom
• Rebroadcast tf transforms with different frame_id on the fly
• Importerror : cannot import name
• 3 Computers Setting with ROS : Wifi -> (Wifi-Ethernet) -> Ethernet
• Local costmap is empty
• content of a node's publications
• How do you calibrate the extrinsic parameters?
• Eigen not found
• Ros industrial calibration linking error
• ROS Indigo and libav libraries' version
• nao_teleop with keyboard?
• controller_manager spawner dies after spawning
• Automatically get missing package dependencies
• How do you deal with the "Kidnapped robot problem"
• Debugging urdf parsing problems in gazebo_ros
• Detecting AR Markers pose with a fisheye lense
• How to transform a pose
• Where should I put generated Python srv
• robot_localization use case with landmarks
• Open python scripts in QtCreator
• How to correctly reset time
• Update to OpenCV 3 without destroying everything
• This robot has a joint named "foo" which is not in the gazebo model.
• Yet another tf problem
• How to use opencv3 package
• Multimodal landmarks for EKF
• Indoor navigation frameworks
• Costmap2DROS transform timeout
• Invert a pose using tf
• Error compiling web_video_server
• odom_config parameter in robot_localization
• Compiling scan_tools
• rosserial too big for Arduino
• Structure from motion with covariance in ROS
• Confusing tf transforms
• Effects of wrong lidar calibration
• tf_echo can find transform but waitForTransform can't
• Annoying "Opening stream" on Firefox with web_video_server
• Execution time of callback function
• Identity of message publisher
• ethzasl_icp_mapping for ROS Indigo
• Draw Camera Pose in Rviz
• Lidar extrinsic calibration
• Cover an angle range from -210 to -150 degrees for a laser scan
• laser_scan_matcher always diverges
• URDF of a box with image texture
• point_cloud2.read_points and then?
• How to correctly respawn a nodelet manager
• Depthcloud and Pointcloud2 not consistent in Rviz
• Roslaunch and env variables for HOSTNAME
• Remap joint_states spawned in Gazebo
• Load all joints with controller_manager
• QtCreator breaking my workspace
• Transform data to a buffer and publish it
• Rosbag API and TF transforming tools
• Where is the message definition stored?
• Dynamically change box dimensions before spawning in Gazebo

● Famous Question   × 86

• How to manage extrinsic sensor calibration dynamically with urdf?
• How to ignore "Computed solution is approximate" when planning robotic arm trajectories
• Dynamically change box dimensions before spawning in Gazebo
• Is it possible to relay topics grouped in a namespace?
• Trajectory constraints lead to discontinuous joint planning
• Identity of message publisher
• nao_teleop with keyboard?
• Remap joint_states spawned in Gazebo
• Effects of wrong lidar calibration
• Installing melodic on linux mint tara (19)
• Unsubscribe a message_filters.ApproximateTimeSynchronizer
• laser_scan_matcher always diverges
• Should tf frames exist at all times?
• Understanding the bytes in a pcl2 message
• Read message structure at runtime from advertised topic
• Where is the message definition stored?
• Error compiling web_video_server
• Depthcloud and Pointcloud2 not consistent in Rviz
• Is there any humanoid robot simulation working on Kinetic?
• Execution time of callback function
• Where is the main function in Rosjava
• Include rosjava node in a Java project under eclipse
• Nao microphones and google API in ROS
• rosrun of a working python script fails
• How to load a file contained in a package
• Python and C++ nodes in the same package
• Third-party ros messages
• What should I upload exactly to GitHub
• Natural language processing in ROS
• Visualize services in rqt_graph
• OpenCv GPU problem
• Interrupt or hold the execution of a state
• Controlling transitions between states in SMACH
• What is the meaning of the nine dots?
• How to remove the <p> and <br> from my profile description
• Callback Based SimpleActionClient with Python
• pi_face_tracker Idle waiting for image input
• Monocular camera calibration for Nao
• Importerror : cannot import name
• amcl not publishing map -> odom
• Eigen not found
• Make generated messages visible for an IDE
• 3 Computers Setting with ROS : Wifi -> (Wifi-Ethernet) -> Ethernet
• How do you calibrate the extrinsic parameters?
• ROS Indigo and libav libraries' version
• Local costmap is empty
• odom → base_footprint
• Rebroadcast tf transforms with different frame_id on the fly
• Ros industrial calibration linking error
• How do you deal with the "Kidnapped robot problem"
• controller_manager spawner dies after spawning
• Detecting AR Markers pose with a fisheye lense
• How to transform a pose
• Where should I put generated Python srv
• robot_localization use case with landmarks
• How to use opencv3 package
• Debugging urdf parsing problems in gazebo_ros
• Costmap2DROS transform timeout
• Indoor navigation frameworks
• Yet another tf problem
• Update to OpenCV 3 without destroying everything
• How to correctly reset time
• rosserial too big for Arduino
• Automatically get missing package dependencies
• This robot has a joint named "foo" which is not in the gazebo model.
• content of a node's publications
• Invert a pose using tf
• Structure from motion with covariance in ROS
• Open python scripts in QtCreator
• Multimodal landmarks for EKF
• Confusing tf transforms
• ethzasl_icp_mapping for ROS Indigo
• URDF of a box with image texture
• Lidar extrinsic calibration
• point_cloud2.read_points and then?
• odom_config parameter in robot_localization
• Compiling scan_tools
• Roslaunch and env variables for HOSTNAME
• How to correctly respawn a nodelet manager
• Load all joints with controller_manager
• tf_echo can find transform but waitForTransform can't
• Draw Camera Pose in Rviz
• Cover an angle range from -210 to -150 degrees for a laser scan
• Rosbag API and TF transforming tools
• Transform data to a buffer and publish it
• QtCreator breaking my workspace

● Enlightened   × 2

• Third-party ros messages
• Third-party ros messages

● Commentator   × 1

• Include rosjava node in a Java project under eclipse

● Taxonomist   × 1

● Guru   × 3

• How amcl works?
• ROS: Skill required?
• Confused about coordinate frames. Can someone please explain?

● Civic Duty   × 1

• multiple collision models per link in URDF