NEngelhard's profile - overview

● Associate Editor   × 1

• Why transform has to be broadcasted periodically?

● Autobiographer   × 2

● Nice Answer   × 94

• Random number in launch file
• Random number in launch file
• Do ROS srv open and close nodes?
• Do ROS srv open and close nodes?
• C++ RAII interface to ROS?
• C++ RAII interface to ROS?
• Determining pose from ar_track_alvar message
• Determining pose from ar_track_alvar message
• image_geometry projectPixelTo3dRay World Coordinates
• image_geometry projectPixelTo3dRay World Coordinates
• How do the YAML Parameters relate to Pinhole-Model
• How do the YAML Parameters relate to Pinhole-Model
• Bundling a message stream
• Bundling a message stream
• tf Listener for OpenNI Tracker [Solved]
• tf Listener for OpenNI Tracker [Solved]
• How can i subscribe to multiple topics when programming in C++
• How can i subscribe to multiple topics when programming in C++
• compile node which uses messages defined in an other machine
• compile node which uses messages defined in an other machine
• How to get the current position of a robot (C++) ?
• How to get the current position of a robot (C++) ?
• point_cloud2.read_points and then?
• point_cloud2.read_points and then?
• Reducing the publishing rate of a topic from RosLaunch
• Reducing the publishing rate of a topic from RosLaunch
• TF Listener for static transforms exclusively
• TF Listener for static transforms exclusively
• sprintf. process has died exit code -11
• sprintf. process has died exit code -11
• How to fix ros::NodeHandle error?
• How to fix ros::NodeHandle error?
• how to generate urdf.rviz file
• how to generate urdf.rviz file
• How to display the function of latch?
• How to display the function of latch?
• ROS Message Best Practices
• ROS Message Best Practices
• Problem Listener with
• Problem Listener with
• Problem with parameter in launch file
• Problem with parameter in launch file
• What is the most efficient way to control and manage task nodes?
• What is the most efficient way to control and manage task nodes?
• Listener does not update
• Listener does not update
• convert pixel values to meters
• convert pixel values to meters
• One time publish executable
• One time publish executable
• create rosmsg content from string
• create rosmsg content from string
• ros python creating strange side effects
• ros python creating strange side effects
• Is it possible to allow some ROS command lines to be executed automatically when a Raspberry Pi is turned on?
• Is it possible to allow some ROS command lines to be executed automatically when a Raspberry Pi is turned on?
• Please suggest all packages to achieve SLAM for robot
• Please suggest all packages to achieve SLAM for robot
• Set value for distortion coefficient in CameraInfo
• Set value for distortion coefficient in CameraInfo
• how can I record the same number of massages from different topics?
• how can I record the same number of massages from different topics?
• Getting subscribers and publishers invoked by a ROS node
• Getting subscribers and publishers invoked by a ROS node
• Building an action server and action client located in two separate packages
• Building an action server and action client located in two separate packages
• Unable to subscribe to pcl::PointCloud<Eigen::MatrixXf>
• Unable to subscribe to pcl::PointCloud<Eigen::MatrixXf>
• big delay between publisher and subscriber !
• big delay between publisher and subscriber !
• Node not inizialized (critical but ignorable error?)
• Node not inizialized (critical but ignorable error?)
• $ rostopic list ERROR: Unable to communicate with master!
• $ rostopic list ERROR: Unable to communicate with master!
• IMU Message Error
• IMU Message Error
• Interrupting rospy.spin() or writing a custom loop that does the equivalent.
• Interrupting rospy.spin() or writing a custom loop that does the equivalent.
• How to use rosbag play to paly multiple rosbags which are in a folder with a single command ?
• How to use rosbag play to paly multiple rosbags which are in a folder with a single command ?
• IMU: What is the "w" in the IMU data
• IMU: What is the "w" in the IMU data
• Stop publishing a specific topic
• Stop publishing a specific topic
• alternative publisher for Joy_node
• alternative publisher for Joy_node
• Error reading end tag - Model parsing the xml failed
• Error reading end tag - Model parsing the xml failed
• Why can't I send a string message through my program?
• Why can't I send a string message through my program?
• How does rospy.Timer behave if it triggers while the previous callback is still busy?
• How does rospy.Timer behave if it triggers while the previous callback is still busy?
• roslaunch using tmux for large project [solved]
• roslaunch using tmux for large project [solved]

● Nice Question   × 12

• Why can't I send "123" via rostopic pub?
• Why can't I send "123" via rostopic pub?
• Can I reset RVIZ via topic?
• Can I reset RVIZ via topic?
• reload urdf for robot_state_publisher?
• reload urdf for robot_state_publisher?
• VR Headset for ROS
• VR Headset for ROS
• Bad performance of ROS2 via Wifi
• Bad performance of ROS2 via Wifi
• How to configure Nav2 for a non-circular robot?
• How to configure Nav2 for a non-circular robot?

● Organizer   × 2

• How do you change the message in a rosbag. For eg. from string to float
• How do you change the message in a rosbag. For eg. from string to float

● Enlightened   × 2

• How to fix ros::NodeHandle error?
• How to fix ros::NodeHandle error?

● Civic Duty   × 2

• rosbag randomly missing topics on record
• rosbag randomly missing topics on record

● Enthusiast   × 1

● Scholar   × 2

• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?

● Good Answer   × 42

• How to fix ros::NodeHandle error?
• How to fix ros::NodeHandle error?
• Reducing the publishing rate of a topic from RosLaunch
• Reducing the publishing rate of a topic from RosLaunch
• Problem Listener with
• Problem Listener with
• convert pixel values to meters
• convert pixel values to meters
• point_cloud2.read_points and then?
• point_cloud2.read_points and then?
• Is it possible to allow some ROS command lines to be executed automatically when a Raspberry Pi is turned on?
• Is it possible to allow some ROS command lines to be executed automatically when a Raspberry Pi is turned on?
• Please suggest all packages to achieve SLAM for robot
• Please suggest all packages to achieve SLAM for robot
• how to generate urdf.rviz file
• how to generate urdf.rviz file
• Getting subscribers and publishers invoked by a ROS node
• Getting subscribers and publishers invoked by a ROS node
• Building an action server and action client located in two separate packages
• Building an action server and action client located in two separate packages
• Set value for distortion coefficient in CameraInfo
• Set value for distortion coefficient in CameraInfo
• ROS Message Best Practices
• ROS Message Best Practices
• $ rostopic list ERROR: Unable to communicate with master!
• $ rostopic list ERROR: Unable to communicate with master!
• ros python creating strange side effects
• ros python creating strange side effects
• Random number in launch file
• Random number in launch file
• Listener does not update
• Listener does not update
• Why can't I send a string message through my program?
• Why can't I send a string message through my program?
• big delay between publisher and subscriber !
• big delay between publisher and subscriber !
• TF Listener for static transforms exclusively
• TF Listener for static transforms exclusively
• IMU Message Error
• IMU Message Error
• How to use rosbag play to paly multiple rosbags which are in a folder with a single command ?
• How to use rosbag play to paly multiple rosbags which are in a folder with a single command ?

● Supporter   × 2

• difference between octomap and voxel grid?
• difference between octomap and voxel grid?

● Notable Question   × 54

• Why can't I send "123" via rostopic pub?
• Why can't I send "123" via rostopic pub?
• Can RVIZ send the camera image (with TF...) as a image topic?
• Can RVIZ send the camera image (with TF...) as a image topic?
• Best way to fill urdf.xacro files from a Database
• Best way to fill urdf.xacro files from a Database
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• reload urdf for robot_state_publisher?
• reload urdf for robot_state_publisher?
• Turn off msg-generation for lisp
• Turn off msg-generation for lisp
• Support for markers with non-zero depth in ar_track_alvar
• Support for markers with non-zero depth in ar_track_alvar
• How can I use arg to add a node to a urdf.xacro?
• How can I use arg to add a node to a urdf.xacro?
• Can I reset RVIZ via topic?
• Can I reset RVIZ via topic?
• Wrong occlusions in RVIZ
• Wrong occlusions in RVIZ
• How can I listen to service-topics?
• How can I listen to service-topics?
• Forcing markers in ar_track_alvar to lie in the same plane
• Forcing markers in ar_track_alvar to lie in the same plane
• VR Headset for ROS
• VR Headset for ROS
• (Too) High number of intermediate points in compute_cartesian_path()
• (Too) High number of intermediate points in compute_cartesian_path()
• Where can I find the test_ros package?
• Where can I find the test_ros package?
• MoveIt: How to constrain joint limit only at end of movement
• MoveIt: How to constrain joint limit only at end of movement
• Temporary deactivation of a subscriber
• Temporary deactivation of a subscriber
• Is there a multi-camera marker localization package?
• Is there a multi-camera marker localization package?
• Is there a way to set the respawn-property at runtime?
• Is there a way to set the respawn-property at runtime?
• How to use the factory DH-calibration of the UR-Arms?
• How to use the factory DH-calibration of the UR-Arms?
• Best practices for using slam toolbox without odometry
• Best practices for using slam toolbox without odometry
• Bad performance of ROS2 via Wifi
• Bad performance of ROS2 via Wifi
• How to configure Nav2 for a non-circular robot?
• How to configure Nav2 for a non-circular robot?
• How do the executors check if a subscriber has something to do?
• How do the executors check if a subscriber has something to do?
• Spam from the controller_server/LifecyclePublisher
• Spam from the controller_server/LifecyclePublisher
• Experience with the lidars from lslidar/LeiShen
• Experience with the lidars from lslidar/LeiShen
• FastRTPS Discovery server through the internet
• FastRTPS Discovery server through the internet

● Popular Question   × 54

• Why can't I send "123" via rostopic pub?
• Why can't I send "123" via rostopic pub?
• Can RVIZ send the camera image (with TF...) as a image topic?
• Can RVIZ send the camera image (with TF...) as a image topic?
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• Best way to fill urdf.xacro files from a Database
• Best way to fill urdf.xacro files from a Database
• How can I use arg to add a node to a urdf.xacro?
• How can I use arg to add a node to a urdf.xacro?
• reload urdf for robot_state_publisher?
• reload urdf for robot_state_publisher?
• How can I listen to service-topics?
• How can I listen to service-topics?
• Forcing markers in ar_track_alvar to lie in the same plane
• Forcing markers in ar_track_alvar to lie in the same plane
• Turn off msg-generation for lisp
• Turn off msg-generation for lisp
• Support for markers with non-zero depth in ar_track_alvar
• Support for markers with non-zero depth in ar_track_alvar
• Where can I find the test_ros package?
• Where can I find the test_ros package?
• Can I reset RVIZ via topic?
• Can I reset RVIZ via topic?
• Temporary deactivation of a subscriber
• Temporary deactivation of a subscriber
• Wrong occlusions in RVIZ
• Wrong occlusions in RVIZ
• VR Headset for ROS
• VR Headset for ROS
• (Too) High number of intermediate points in compute_cartesian_path()
• (Too) High number of intermediate points in compute_cartesian_path()
• MoveIt: How to constrain joint limit only at end of movement
• MoveIt: How to constrain joint limit only at end of movement
• Is there a multi-camera marker localization package?
• Is there a multi-camera marker localization package?
• How to use the factory DH-calibration of the UR-Arms?
• How to use the factory DH-calibration of the UR-Arms?
• Is there a way to set the respawn-property at runtime?
• Is there a way to set the respawn-property at runtime?
• Best practices for using slam toolbox without odometry
• Best practices for using slam toolbox without odometry
• Bad performance of ROS2 via Wifi
• Bad performance of ROS2 via Wifi
• How to configure Nav2 for a non-circular robot?
• How to configure Nav2 for a non-circular robot?
• Spam from the controller_server/LifecyclePublisher
• Spam from the controller_server/LifecyclePublisher
• How do the executors check if a subscriber has something to do?
• How do the executors check if a subscriber has something to do?
• Experience with the lidars from lslidar/LeiShen
• Experience with the lidars from lslidar/LeiShen
• FastRTPS Discovery server through the internet
• FastRTPS Discovery server through the internet

● Citizen Patrol   × 2

• ethernet camera driver
• ethernet camera driver

● Student   × 2

• Why can't I send "123" via rostopic pub?
• Why can't I send "123" via rostopic pub?

● Editor   × 2

• Is there a way to set the respawn-property at runtime?
• Is there a way to set the respawn-property at runtime?

● Critic   × 2

• connect python to c++
• connect python to c++

● Commentator   × 1

• Turn off msg-generation for lisp

● Teacher   × 2

• Picking up a moving object with MoveIt!
• Picking up a moving object with MoveIt!

● Famous Question   × 46

• Why can't I send "123" via rostopic pub?
• Why can't I send "123" via rostopic pub?
• Turn off msg-generation for lisp
• Turn off msg-generation for lisp
• reload urdf for robot_state_publisher?
• reload urdf for robot_state_publisher?
• Can I reset RVIZ via topic?
• Can I reset RVIZ via topic?
• Can RVIZ send the camera image (with TF...) as a image topic?
• Can RVIZ send the camera image (with TF...) as a image topic?
• Forcing markers in ar_track_alvar to lie in the same plane
• Forcing markers in ar_track_alvar to lie in the same plane
• Best way to fill urdf.xacro files from a Database
• Best way to fill urdf.xacro files from a Database
• How can I listen to service-topics?
• How can I listen to service-topics?
• VR Headset for ROS
• VR Headset for ROS
• (Too) High number of intermediate points in compute_cartesian_path()
• (Too) High number of intermediate points in compute_cartesian_path()
• MoveIt: How to constrain joint limit only at end of movement
• MoveIt: How to constrain joint limit only at end of movement
• How can I use arg to add a node to a urdf.xacro?
• How can I use arg to add a node to a urdf.xacro?
• Wrong occlusions in RVIZ
• Wrong occlusions in RVIZ
• Temporary deactivation of a subscriber
• Temporary deactivation of a subscriber
• Is there a way to set the respawn-property at runtime?
• Is there a way to set the respawn-property at runtime?
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• Why ist TRIANGLE_LIST with scale.x = 0.001 not shown?
• How to use the factory DH-calibration of the UR-Arms?
• How to use the factory DH-calibration of the UR-Arms?
• Is there a multi-camera marker localization package?
• Is there a multi-camera marker localization package?
• Best practices for using slam toolbox without odometry
• Best practices for using slam toolbox without odometry
• Bad performance of ROS2 via Wifi
• Bad performance of ROS2 via Wifi
• How to configure Nav2 for a non-circular robot?
• How to configure Nav2 for a non-circular robot?
• Spam from the controller_server/LifecyclePublisher
• Spam from the controller_server/LifecyclePublisher
• How do the executors check if a subscriber has something to do?
• How do the executors check if a subscriber has something to do?

● Favorite Question   × 2

• VR Headset for ROS
• VR Headset for ROS

● Rapid Responder   × 2

• Bad performance of ROS2 via Wifi
• How to solve md5sum error

● Taxonomist   × 1

● Good Question   × 4

• VR Headset for ROS
• VR Headset for ROS
• Why can't I send "123" via rostopic pub?
• Why can't I send "123" via rostopic pub?

● Stellar Question   × 2

• VR Headset for ROS
• VR Headset for ROS