dornhege's profile - overview

● Good Answer   × 474

• quaternions orientation representation
• quaternions orientation representation
• Parsing 3D txt data set
• Parsing 3D txt data set
• changing point cloud color in rviz
• changing point cloud color in rviz
• topic tantrums
• topic tantrums
• Kinect for Navigation on Erratic Robot
• Kinect for Navigation on Erratic Robot
• What "escalating to SIGTERM" mean ?
• What "escalating to SIGTERM" mean ?
• UDPROS/TCPROS - how to select?
• UDPROS/TCPROS - how to select?
• How to construct the point cloud data from the depth data
• How to construct the point cloud data from the depth data
• std::ofstream
• std::ofstream
• Is ROS able to support C# language?
• Is ROS able to support C# language?
• Turtlebot calibration(Still waiting for imu/scan)
• Turtlebot calibration(Still waiting for imu/scan)
• rosmake compiler warnings
• rosmake compiler warnings
• Using service to communicate between nodes in different package
• Using service to communicate between nodes in different package
• Specifying non-standard library path
• Specifying non-standard library path
• Is it possible to save the rxloggerlevel level's?
• Is it possible to save the rxloggerlevel level's?
• How to add the node name in warning or fatal message?
• How to add the node name in warning or fatal message?
• Referencing non-ROS packages dependencies
• Referencing non-ROS packages dependencies
• Why robot_model use urdf not just using universal CAD extension file?
• Why robot_model use urdf not just using universal CAD extension file?
• unable to transform pos constraints to odom_combined
• unable to transform pos constraints to odom_combined
• Is it safe to change system date/time during execution
• Is it safe to change system date/time during execution
• Compile error: Multiple main functions in using service clients
• Compile error: Multiple main functions in using service clients
• Waiting on transform from /base_link to /map?
• Waiting on transform from /base_link to /map?
• `Frame id /base_link does not exist` in pr2 simulation
• `Frame id /base_link does not exist` in pr2 simulation
• Goals and Navigation in dynamic maps using GMapping
• Goals and Navigation in dynamic maps using GMapping
• What is a Package, Stack, Repository?
• What is a Package, Stack, Repository?
• Transparent cubes in RViz
• Transparent cubes in RViz
• roscpp relative parameter
• roscpp relative parameter
• plotting a MarkerArray of spheres with rviz
• plotting a MarkerArray of spheres with rviz
• Chrony configuration and limitations
• Chrony configuration and limitations
• Plot a Gaussian 3D representation with markers in rviz
• Plot a Gaussian 3D representation with markers in rviz
• Advice ROS Single Board Computer - (Kinect, +other sensors)
• Advice ROS Single Board Computer - (Kinect, +other sensors)
• How to use ROS with GTK+?
• How to use ROS with GTK+?
• Why do all nodes have to be linked to /rosout?
• Why do all nodes have to be linked to /rosout?
• Namespace and Remapping
• Namespace and Remapping
• How to deliver arguments to a callback function?
• How to deliver arguments to a callback function?
• how to get the data from subscriber
• how to get the data from subscriber
• Can you launch non-ROS programs from a .launch file?
• Can you launch non-ROS programs from a .launch file?
• Is there a way to wait for certain topics to be published in a launchfile?
• Is there a way to wait for certain topics to be published in a launchfile?
• ROS topic structure?
• ROS topic structure?
• How to compile init.cpp in roscpp package?
• How to compile init.cpp in roscpp package?
• Problem with teleop_base stage tutorial, how to install 'joy' package?
• Problem with teleop_base stage tutorial, how to install 'joy' package?
• Is it possible to have 2 nodehandlers for a single node
• Is it possible to have 2 nodehandlers for a single node
• ROS Stream prints spurious characters to log
• ROS Stream prints spurious characters to log
• Does ROS optimize around unheard messages?
• Does ROS optimize around unheard messages?
• Conversion into ROS compatible timestamp
• Conversion into ROS compatible timestamp
• after running the Publisher and subcriber, .h file is not being made
• after running the Publisher and subcriber, .h file is not being made
• Using services from Node
• Using services from Node
• unmet dependencies when install ros-electric-desktop-full
• unmet dependencies when install ros-electric-desktop-full
• Help with writing a subscriber node for an existing publisher
• Help with writing a subscriber node for an existing publisher
• Is it possible to commuincate over UDP?
• Is it possible to commuincate over UDP?
• ROS Qt creator GUI
• ROS Qt creator GUI
• Navigation Goals {Robot Position and Orientation}
• Navigation Goals {Robot Position and Orientation}
• Do not have any equipment
• Do not have any equipment
• Concepts of parameters and services
• Concepts of parameters and services
• ROS subscriber integration
• ROS subscriber integration
• Rospack failed to build
• Rospack failed to build
• Send data from one laptop(code blocks) to another laptop(ros packages)?
• Send data from one laptop(code blocks) to another laptop(ros packages)?
• How to colorize shell while using rosmake?
• How to colorize shell while using rosmake?
• Fixed Frame [/laser] does not exist
• Fixed Frame [/laser] does not exist
• Will fuerte have an Ubuntu 10.04 installation ?
• Will fuerte have an Ubuntu 10.04 installation ?
• How to make clean to my stack?
• How to make clean to my stack?
• How to replace old ROS Turtle version with ROS Fuerte installation
• How to replace old ROS Turtle version with ROS Fuerte installation
• How do I make a debian binary out of my stacks and get it listed as a ros package?
• How do I make a debian binary out of my stacks and get it listed as a ros package?
• Add markers to markerarray in c++
• Add markers to markerarray in c++
• how to realise this function?
• how to realise this function?
• cmd_vel.y=1 stop pioneer robot
• cmd_vel.y=1 stop pioneer robot
• cannot specify link libraries for target
• cannot specify link libraries for target
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• Can someone explain callbacks?
• Can someone explain callbacks?
• kinect /scan data format
• kinect /scan data format
• int callback
• int callback
• how to fix ros:Message error?
• how to fix ros:Message error?
• NO MAP DATA
• NO MAP DATA
• octovis for ros-electric
• octovis for ros-electric
• Error in tutorial 10---rosmake beginner_tutorials
• Error in tutorial 10---rosmake beginner_tutorials
• ls: cannot access /dev/ttyACM0: No such file or directory
• ls: cannot access /dev/ttyACM0: No such file or directory
• Tutorial Question: Writing a Simple Publisher and Subscriber (C++)
• Tutorial Question: Writing a Simple Publisher and Subscriber (C++)
• Problems with TF using the navigation stack
• Problems with TF using the navigation stack
• Passing Messages between multiple roscores linked on a network
• Passing Messages between multiple roscores linked on a network
• Interfacing SPI signal based sensor to ROS? any idea?
• Interfacing SPI signal based sensor to ROS? any idea?
• Problem with rostopic
• Problem with rostopic
• Subscribing to a topic and storing the message
• Subscribing to a topic and storing the message
• Roslaunch Sequentially
• Roslaunch Sequentially
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• What is the difference between Fuerte and ROS electric
• What is the difference between Fuerte and ROS electric
• How to work with ROS in new hardware platform?
• How to work with ROS in new hardware platform?
• Terminal Software for ROS/Ubuntu ?
• Terminal Software for ROS/Ubuntu ?
• slam_gmapping using imu data instead of /odom
• slam_gmapping using imu data instead of /odom
• ROS Stacks in home and file system
• ROS Stacks in home and file system
• mathematic library for ros
• mathematic library for ros
• Fusing different laser scanners
• Fusing different laser scanners
• rgbdslam on electric, compiling error
• rgbdslam on electric, compiling error
• all benefits to use overlay
• all benefits to use overlay
• Install of ROS Groovy on Ubuntu 12.04 Failed
• Install of ROS Groovy on Ubuntu 12.04 Failed
• project structure question concerning dynamic reconfigure and the parameter server
• project structure question concerning dynamic reconfigure and the parameter server
• How to search for ROS packages?
• How to search for ROS packages?
• Get all topics in c++
• Get all topics in c++
• Producer-consumer problem in ROS
• Producer-consumer problem in ROS
• How to exclude one package from the catkin_make build?
• How to exclude one package from the catkin_make build?
• Is there a public ROS matster available?
• Is there a public ROS matster available?
• Internal Architecture of ROS
• Internal Architecture of ROS
• Why does ROS overwrite my sequence number?
• Why does ROS overwrite my sequence number?
• Does roslaunch support topic remapping from command line?
• Does roslaunch support topic remapping from command line?
• RViz camera view: other coordinate frame convention
• RViz camera view: other coordinate frame convention
• tf::Quaternion syntax question
• tf::Quaternion syntax question
• Hokuyo_node with groovy
• Hokuyo_node with groovy
• Relative pose between two tf::Transforms
• Relative pose between two tf::Transforms
• Error reading /odom topic
• Error reading /odom topic
• ROS vs MATLAB...which is best..?
• ROS vs MATLAB...which is best..?
• Giving goal points without using rviz
• Giving goal points without using rviz
• Navigation Stack Without sensor
• Navigation Stack Without sensor
• Socket Programming in ROS
• Socket Programming in ROS
• How can I cancel a navigation command?
• How can I cancel a navigation command?
• publisher and subscriber in the same node
• publisher and subscriber in the same node
• rosrun UWSim error
• rosrun UWSim error
• read cmd_vel commands from a text file
• read cmd_vel commands from a text file
• How do I install and run a ROS Package?
• How do I install and run a ROS Package?
• Calculate difference between two poses
• Calculate difference between two poses
• how can i save my map permanently ?
• how can i save my map permanently ?
• Attaching an Sick S300 Advanced to a PC with ROS
• Attaching an Sick S300 Advanced to a PC with ROS
• roscd: No such package/stack 'beginner_tutorials'
• roscd: No such package/stack 'beginner_tutorials'
• publisher not publishing on topic
• publisher not publishing on topic
• What determines the published message on a topic
• What determines the published message on a topic
• How to 3D represent model in ROS
• How to 3D represent model in ROS
• publish only some topics of a rosbag file (Command line or launch file)
• publish only some topics of a rosbag file (Command line or launch file)
• rewriting python program in cpp, how to fill in the header field in msg
• rewriting python program in cpp, how to fill in the header field in msg
• Different ROS versions on multiple machines
• Different ROS versions on multiple machines
• Why /base_footprint's position is not (0,0,0) in /tf?
• Why /base_footprint's position is not (0,0,0) in /tf?
• Any best practices to record high quality images in rosbag?
• Any best practices to record high quality images in rosbag?
• ROS remote master: can see topics but no data
• ROS remote master: can see topics but no data
• Is AMCL necessary for exploration if gmapping is already running?
• Is AMCL necessary for exploration if gmapping is already running?
• Publish unknown number of topics?
• Publish unknown number of topics?
• How to set sinusoidal velocity?
• How to set sinusoidal velocity?
• Switching between autonomous control and keyboard control in ROS
• Switching between autonomous control and keyboard control in ROS
• Security Vulnerabilities in ROS
• Security Vulnerabilities in ROS
• Problem using Qt creator with ROS
• Problem using Qt creator with ROS
• How odometry is going to help the navigation stack?
• How odometry is going to help the navigation stack?
• Putting log messages from non-ROS code into ROS logging system
• Putting log messages from non-ROS code into ROS logging system
• ros as root - common bug, when workspace is in /home/user/ros_workspace
• ros as root - common bug, when workspace is in /home/user/ros_workspace
• How to exchange data between nodes?
• How to exchange data between nodes?
• Which ROS version will be appropriate for an Autonomous Underwater Vehicle ?
• Which ROS version will be appropriate for an Autonomous Underwater Vehicle ?
• How can i write a tf?
• How can i write a tf?
• catkin vs rosbuild system?
• catkin vs rosbuild system?
• adding support lib and headers to ros package
• adding support lib and headers to ros package
• Ros topic published string cannot be captured
• Ros topic published string cannot be captured
• Move base to absolute coordinates?
• Move base to absolute coordinates?
• pausing inside .launch file?
• pausing inside .launch file?
• Who knows "ROS Answers" that how to deploy ？
• Who knows "ROS Answers" that how to deploy ？
• Turtlebot 2 with Kobuki base - Jerky movement and Warning message
• Turtlebot 2 with Kobuki base - Jerky movement and Warning message
• What are publishers and subscribers?
• What are publishers and subscribers?
• Package for Generically Listening to Topics
• Package for Generically Listening to Topics
• Computer vision in ROS
• Computer vision in ROS
• Separate Package for Messages?
• Separate Package for Messages?
• Catkin fails to chain workspaces
• Catkin fails to chain workspaces
• What are good Kinect gmapping parameters?
• What are good Kinect gmapping parameters?
• catkin: move/remove package and workspace
• catkin: move/remove package and workspace
• Multi beam laser
• Multi beam laser
• Best way of sharing parameters/flags among nodes which donot change much?
• Best way of sharing parameters/flags among nodes which donot change much?
• Why no dedicated support for many platforms?
• Why no dedicated support for many platforms?
• Getting Coordinates of Turtlebot
• Getting Coordinates of Turtlebot
• How to move a Robot in Reverse in ROS?
• How to move a Robot in Reverse in ROS?
• Multiple GIT repositories in a workspace
• Multiple GIT repositories in a workspace
• Difference between two transform broadcasters
• Difference between two transform broadcasters
• synch between gazebo and rviz
• synch between gazebo and rviz
• How to subscribe to a topic at will/on demand?
• How to subscribe to a topic at will/on demand?
• About using callbacks [Not solved]
• About using callbacks [Not solved]
• Programatically load yaml config file to the Parameter Server in Python
• Programatically load yaml config file to the Parameter Server in Python
• Choose the right IMU for our Robot
• Choose the right IMU for our Robot
• How to run multiple roscore/master in a single machine?
• How to run multiple roscore/master in a single machine?
• Check if service advertised successfully
• Check if service advertised successfully
• Sensor out of bounds
• Sensor out of bounds
• How to set arg to a node from launch file?
• How to set arg to a node from launch file?
• How to convert LaserScanner msgs to 2D cartesian cooridnates?
• How to convert LaserScanner msgs to 2D cartesian cooridnates?
• arduino example for cmd_vel subsriber
• arduino example for cmd_vel subsriber
• listing parameters or using a dictionary
• listing parameters or using a dictionary
• rosmake openni_camera gives an error
• rosmake openni_camera gives an error
• Parameter list from launch file
• Parameter list from launch file
• gmapping: base_link to odom missing
• gmapping: base_link to odom missing
• Path to resource files in C++ node
• Path to resource files in C++ node
• Hokuyo scans to 3D point clouds (with tilt angle and sensor position)
• Hokuyo scans to 3D point clouds (with tilt angle and sensor position)
• Programmatic way to stop roslaunch
• Programmatic way to stop roslaunch
• ROS Time vs Wall time
• ROS Time vs Wall time
• reading parameter in c
• reading parameter in c
• Comparing two Occupancy Grids
• Comparing two Occupancy Grids
• How to save a 2dmap obtained from a topic published by octomap ??
• How to save a 2dmap obtained from a topic published by octomap ??
• Velodyne 64 to 32
• Velodyne 64 to 32
• Velodyne 64 to 32
• Velodyne 64 to 32
• Combining laser_scan_matcher with gmapping
• Combining laser_scan_matcher with gmapping
• transformLaserScanToPointCloud and pcl::fromROSMsgs???
• transformLaserScanToPointCloud and pcl::fromROSMsgs???
• `Message No map received` in Rviz
• `Message No map received` in Rviz
• How to "Rostopic echo" only the pose in the 'odom' topic
• How to "Rostopic echo" only the pose in the 'odom' topic
• Start/Stop node at runtime?
• Start/Stop node at runtime?
• problem getting topic remaps in the code
• problem getting topic remaps in the code
• Accessing float/double list using rosparam
• Accessing float/double list using rosparam
• Simple action client freezes at waitForServer(), command line possibility?
• Simple action client freezes at waitForServer(), command line possibility?
• rosserial_arduino can't send a sensor_msgs/Imu msg
• rosserial_arduino can't send a sensor_msgs/Imu msg
• Give move_base goalpoints without orientation
• Give move_base goalpoints without orientation
• rostopic publish message to remote machine?
• rostopic publish message to remote machine?
• Creating a ROS msg and srv - Tutorial
• Creating a ROS msg and srv - Tutorial
• move_base sometimes fails to drive, how to find out why
• move_base sometimes fails to drive, how to find out why
• How can I publish an int8 array as a nav_msgs/OccupancyGrid?
• How can I publish an int8 array as a nav_msgs/OccupancyGrid?
• Navigation stack, no laser
• Navigation stack, no laser
• How to get data from lookupTransform() without publishing tf data?
• How to get data from lookupTransform() without publishing tf data?
• Why publish if no one is subscribing?
• Why publish if no one is subscribing?
• install pr2_description
• install pr2_description
• Kill other roscore/master processes on bourn shell
• Kill other roscore/master processes on bourn shell
• Rotation in static transform publisher
• Rotation in static transform publisher
• Rostopic node in launch files
• Rostopic node in launch files
• How to use txt file as a parameter to roslaunch file?
• How to use txt file as a parameter to roslaunch file?
• How to change rosbag record rate - how to undersample messages
• How to change rosbag record rate - how to undersample messages
• How to use laptop integrated camera to capture image?
• How to use laptop integrated camera to capture image?
• remove info and time from ROS_INFO
• remove info and time from ROS_INFO
• About Subscriber Structure and “latch” on Publisher
• About Subscriber Structure and “latch” on Publisher
• Is the data in header message automatically filled?
• Is the data in header message automatically filled?
• Catkin_make requires root
• Catkin_make requires root
• Custom message
• Custom message
• Install ROS on Linux Mint 16
• Install ROS on Linux Mint 16
• Sensor msg to an opencv image
• Sensor msg to an opencv image
• pcl::PointCloud vs. sensor_msgs::PointCloud
• pcl::PointCloud vs. sensor_msgs::PointCloud
• Publishing PointCloud2
• Publishing PointCloud2
• Tutorial: Parse a urdf file
• Tutorial: Parse a urdf file
• when is the callback function called
• when is the callback function called
• TypeError: cannot marshal <type 'numpy.float64'> objects
• TypeError: cannot marshal <type 'numpy.float64'> objects
• Can I clear all topics after I kill all nodes?
• Can I clear all topics after I kill all nodes?
• Documentation on writing hardware drivers
• Documentation on writing hardware drivers
• How to promote questions/get answers?
• How to promote questions/get answers?
• What are the minimun System Hardware Requirements
• What are the minimun System Hardware Requirements
• Using rosserial for a ATmega168/Arduino based motorcontroller
• Using rosserial for a ATmega168/Arduino based motorcontroller
• cannot find libraries when linking
• cannot find libraries when linking
• Retrieve end effector pose in MoveIt
• Retrieve end effector pose in MoveIt
• ros::service::waitForService() blocks infinite
• ros::service::waitForService() blocks infinite
• ROS+Qt question
• ROS+Qt question
• comparison operators for messages
• comparison operators for messages
• sync ros bag timestamps with ros system
• sync ros bag timestamps with ros system
• Tf tutorial Cpp Question
• Tf tutorial Cpp Question
• What's the difference between Topic and Parameter?
• What's the difference between Topic and Parameter?
• What is first ? Publisher or Subscriber?
• What is first ? Publisher or Subscriber?

● Notable Question   × 56

• openni_node internal throttle to limit cpu usage
• openni_node internal throttle to limit cpu usage
• What is the correct way to do stuff before a node is shutdown?
• What is the correct way to do stuff before a node is shutdown?
• Rviz weird shading when using materials
• Rviz weird shading when using materials
• Mixed publishers for robot_state_publisher?
• Mixed publishers for robot_state_publisher?
• rosws: Managing multiple workspaces with the same repository in place
• rosws: Managing multiple workspaces with the same repository in place
• Handling Date/Time parameters issues in rosparam/paramserver?
• Handling Date/Time parameters issues in rosparam/paramserver?
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• pluginlib terminates when there are no plugins
• pluginlib terminates when there are no plugins
• Bug when adding a 6th comment?
• Bug when adding a 6th comment?
• rviz camera display locked in top left corner of screen
• rviz camera display locked in top left corner of screen
• Multiple visual entries in urdf
• Multiple visual entries in urdf
• How to link URLs with parentheses correctly?
• How to link URLs with parentheses correctly?
• rviz displays gap in robot model
• rviz displays gap in robot model
• move_base ~make_plan (nav_msgs/GetPlan) very slow
• move_base ~make_plan (nav_msgs/GetPlan) very slow
• Should catkin_make work for package targets?
• Should catkin_make work for package targets?
• Is there a simple way to test services (like actionlib's axclient)?
• Is there a simple way to test services (like actionlib's axclient)?
• Extending bash completion for a command in rosbash (with catkin_add_env_hooks)
• Extending bash completion for a command in rosbash (with catkin_add_env_hooks)
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• rosdep rules for released stacks
• rosdep rules for released stacks
• Is there a simple script to crop an occupancy map?
• Is there a simple script to crop an occupancy map?
• Multiple / in computation graph names
• Multiple / in computation graph names
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• rospack cache per workspace?
• rospack cache per workspace?
• Policy on run_depends for external optional binary packages
• Policy on run_depends for external optional binary packages
• Prerelease tests with Bloom on first-release
• Prerelease tests with Bloom on first-release
• DiagnosedPublisher window size seems wrong.
• DiagnosedPublisher window size seems wrong.
• catkin build fails with rosbash errors
• catkin build fails with rosbash errors
• Setting roslaunch param via command with specific env var set
• Setting roslaunch param via command with specific env var set

● Rapid Responder   × 5

• What is first ? Publisher or Subscriber?
• what does <rosparam param="a_list">[1, 2, 3, 4]</rosparam> mean?
• source /opt/ros/<distro>/setup.bash bash: distro: No such file or directory
• how to realease ROS package with third party non-catkin packages
• 2d pose relative to initial pose based on odom

● Necromancer   × 8

• gscam - "illegal operation"
• How to use bilibot?
• Looking for a reference use of PoseWithCovariance: any pkg using it?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• rosserial_arduino can't send a sensor_msgs/Imu msg
• Calibrating xsens IMU
• Moving a box using tf
• turtlebot teleop and follower apps do not work

● Supporter   × 2

• Which IDE(s) do ROS developers use?
• Which IDE(s) do ROS developers use?

● Self-Learner   × 2

• rviz displays gap in robot model
• rviz displays gap in robot model

● Guru   × 50

• `Frame id /base_link does not exist` in pr2 simulation
• How to construct the point cloud data from the depth data
• Concepts of parameters and services
• Can someone explain callbacks?
• int callback
• How to work with ROS in new hardware platform?
• all benefits to use overlay
• Is there a way to wait for certain topics to be published in a launchfile?
• rgbdslam on electric, compiling error
• ROS Qt creator GUI
• How can I cancel a navigation command?
• Problem with rostopic
• Calculate difference between two poses
• ROS Stacks in home and file system
• roscd: No such package/stack 'beginner_tutorials'
• cannot specify link libraries for target
• Socket Programming in ROS
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• Relative pose between two tf::Transforms
• How to make clean to my stack?
• Why does ROS overwrite my sequence number?
• ROS remote master: can see topics but no data
• Why no dedicated support for many platforms?
• How do I install and run a ROS Package?
• Error reading /odom topic
• Namespace and Remapping
• How to deliver arguments to a callback function?
• How to exclude one package from the catkin_make build?
• Add markers to markerarray in c++
• publisher not publishing on topic
• catkin: move/remove package and workspace
• Path to resource files in C++ node
• Does roslaunch support topic remapping from command line?
• Catkin fails to chain workspaces
• how to realise this function?
• Terminal Software for ROS/Ubuntu ?
• roscpp relative parameter
• What "escalating to SIGTERM" mean ?
• Why publish if no one is subscribing?
• Start/Stop node at runtime?
• What is a Package, Stack, Repository?
• About Subscriber Structure and “latch” on Publisher
• slam_gmapping using imu data instead of /odom
• Custom message
• Rostopic node in launch files
• Is AMCL necessary for exploration if gmapping is already running?
• Check if service advertised successfully
• rewriting python program in cpp, how to fill in the header field in msg
• How to save a 2dmap obtained from a topic published by octomap ??
• Publish unknown number of topics?

● Great Answer   × 114

• quaternions orientation representation
• quaternions orientation representation
• `Frame id /base_link does not exist` in pr2 simulation
• `Frame id /base_link does not exist` in pr2 simulation
• How to construct the point cloud data from the depth data
• How to construct the point cloud data from the depth data
• Concepts of parameters and services
• Concepts of parameters and services
• Can someone explain callbacks?
• Can someone explain callbacks?
• int callback
• int callback
• How to work with ROS in new hardware platform?
• How to work with ROS in new hardware platform?
• all benefits to use overlay
• all benefits to use overlay
• Is there a way to wait for certain topics to be published in a launchfile?
• Is there a way to wait for certain topics to be published in a launchfile?
• rgbdslam on electric, compiling error
• rgbdslam on electric, compiling error
• ROS Qt creator GUI
• ROS Qt creator GUI
• ROS vs MATLAB...which is best..?
• ROS vs MATLAB...which is best..?
• Problem with rostopic
• Problem with rostopic
• How can I cancel a navigation command?
• How can I cancel a navigation command?
• Calculate difference between two poses
• Calculate difference between two poses
• ROS Stacks in home and file system
• ROS Stacks in home and file system
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• roscd: No such package/stack 'beginner_tutorials'
• roscd: No such package/stack 'beginner_tutorials'
• cannot specify link libraries for target
• cannot specify link libraries for target
• Socket Programming in ROS
• Socket Programming in ROS
• How to exclude one package from the catkin_make build?
• How to exclude one package from the catkin_make build?
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• publish only some topics of a rosbag file (Command line or launch file)
• publish only some topics of a rosbag file (Command line or launch file)
• Relative pose between two tf::Transforms
• Relative pose between two tf::Transforms
• How to make clean to my stack?
• How to make clean to my stack?
• Why does ROS overwrite my sequence number?
• Why does ROS overwrite my sequence number?
• Why no dedicated support for many platforms?
• Why no dedicated support for many platforms?
• ROS remote master: can see topics but no data
• ROS remote master: can see topics but no data
• How do I install and run a ROS Package?
• How do I install and run a ROS Package?
• How do I install and run a ROS Package?
• How do I install and run a ROS Package?
• Error reading /odom topic
• Error reading /odom topic
• Namespace and Remapping
• Namespace and Remapping
• How to deliver arguments to a callback function?
• How to deliver arguments to a callback function?
• Add markers to markerarray in c++
• Add markers to markerarray in c++
• publisher not publishing on topic
• publisher not publishing on topic
• catkin: move/remove package and workspace
• catkin: move/remove package and workspace
• Path to resource files in C++ node
• Path to resource files in C++ node
• Does roslaunch support topic remapping from command line?
• Does roslaunch support topic remapping from command line?
• Catkin fails to chain workspaces
• Catkin fails to chain workspaces
• how to realise this function?
• how to realise this function?
• Terminal Software for ROS/Ubuntu ?
• Terminal Software for ROS/Ubuntu ?
• roscpp relative parameter
• roscpp relative parameter
• What "escalating to SIGTERM" mean ?
• What "escalating to SIGTERM" mean ?
• Kill other roscore/master processes on bourn shell
• Kill other roscore/master processes on bourn shell
• Why publish if no one is subscribing?
• Why publish if no one is subscribing?
• Start/Stop node at runtime?
• Start/Stop node at runtime?
• What is a Package, Stack, Repository?
• What is a Package, Stack, Repository?
• About Subscriber Structure and “latch” on Publisher
• About Subscriber Structure and “latch” on Publisher
• slam_gmapping using imu data instead of /odom
• slam_gmapping using imu data instead of /odom
• What are publishers and subscribers?
• What are publishers and subscribers?
• Custom message
• Custom message
• Rostopic node in launch files
• Rostopic node in launch files
• Is AMCL necessary for exploration if gmapping is already running?
• Is AMCL necessary for exploration if gmapping is already running?
• Check if service advertised successfully
• Check if service advertised successfully
• rewriting python program in cpp, how to fill in the header field in msg
• rewriting python program in cpp, how to fill in the header field in msg
• How to save a 2dmap obtained from a topic published by octomap ??
• How to save a 2dmap obtained from a topic published by octomap ??
• Publish unknown number of topics?
• Publish unknown number of topics?

● Famous Question   × 54

• Mixed publishers for robot_state_publisher?
• Mixed publishers for robot_state_publisher?
• openni_node internal throttle to limit cpu usage
• openni_node internal throttle to limit cpu usage
• What is the correct way to do stuff before a node is shutdown?
• What is the correct way to do stuff before a node is shutdown?
• Handling Date/Time parameters issues in rosparam/paramserver?
• Handling Date/Time parameters issues in rosparam/paramserver?
• pluginlib terminates when there are no plugins
• pluginlib terminates when there are no plugins
• Bug when adding a 6th comment?
• Bug when adding a 6th comment?
• Rviz weird shading when using materials
• Rviz weird shading when using materials
• rviz camera display locked in top left corner of screen
• rviz camera display locked in top left corner of screen
• Multiple visual entries in urdf
• Multiple visual entries in urdf
• How to link URLs with parentheses correctly?
• How to link URLs with parentheses correctly?
• rviz displays gap in robot model
• rviz displays gap in robot model
• move_base ~make_plan (nav_msgs/GetPlan) very slow
• move_base ~make_plan (nav_msgs/GetPlan) very slow
• rosws: Managing multiple workspaces with the same repository in place
• rosws: Managing multiple workspaces with the same repository in place
• Should catkin_make work for package targets?
• Should catkin_make work for package targets?
• Is there a simple way to test services (like actionlib's axclient)?
• Is there a simple way to test services (like actionlib's axclient)?
• Extending bash completion for a command in rosbash (with catkin_add_env_hooks)
• Extending bash completion for a command in rosbash (with catkin_add_env_hooks)
• Is there a simple script to crop an occupancy map?
• Is there a simple script to crop an occupancy map?
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Multiple / in computation graph names
• Multiple / in computation graph names
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• rosdep rules for released stacks
• rosdep rules for released stacks
• rospack cache per workspace?
• rospack cache per workspace?
• Policy on run_depends for external optional binary packages
• Policy on run_depends for external optional binary packages
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• catkin build fails with rosbash errors
• catkin build fails with rosbash errors
• Prerelease tests with Bloom on first-release
• Prerelease tests with Bloom on first-release
• Setting roslaunch param via command with specific env var set
• Setting roslaunch param via command with specific env var set

● Nice Answer   × 904

• Troubles installing ROS C turtle base
• Troubles installing ROS C turtle base
• Find the name of package containing a file, given the file's path
• Find the name of package containing a file, given the file's path
• quaternions orientation representation
• quaternions orientation representation
• Can you launch non-ROS programs from a .launch file?
• Can you launch non-ROS programs from a .launch file?
• How to mount a Kinect with my laptop without any AC Adapter
• How to mount a Kinect with my laptop without any AC Adapter
• Goals and Navigation in dynamic maps using GMapping
• Goals and Navigation in dynamic maps using GMapping
• publish an array of images
• publish an array of images
• Parsing 3D txt data set
• Parsing 3D txt data set
• robot setup tf setup for navigation
• robot setup tf setup for navigation
• Subscribing to a topic and storing the message
• Subscribing to a topic and storing the message
• Ros, stage, gmapping --> tf
• Ros, stage, gmapping --> tf
• changing point cloud color in rviz
• changing point cloud color in rviz
• UDPROS/TCPROS - how to select?
• UDPROS/TCPROS - how to select?
• Rosout topic, non-string messages
• Rosout topic, non-string messages
• topic tantrums
• topic tantrums
• Synchronizing image display and services between two ROS nodes
• Synchronizing image display and services between two ROS nodes
• Kinect for Navigation on Erratic Robot
• Kinect for Navigation on Erratic Robot
• What "escalating to SIGTERM" mean ?
• What "escalating to SIGTERM" mean ?
• What is a Package, Stack, Repository?
• What is a Package, Stack, Repository?
• Trouble subscribing to turtlesim color sensor in a rostest
• Trouble subscribing to turtlesim color sensor in a rostest
• Sensor out of bounds
• Sensor out of bounds
• why do pr2 joints have values that are outside of [-pi,pi]?
• why do pr2 joints have values that are outside of [-pi,pi]?
• shift in the map of gmapping
• shift in the map of gmapping
• How to construct the point cloud data from the depth data
• How to construct the point cloud data from the depth data
• std::ofstream
• std::ofstream
• Turtlebot calibration(Still waiting for imu/scan)
• Turtlebot calibration(Still waiting for imu/scan)
• Is ROS able to support C# language?
• Is ROS able to support C# language?
• ROS sans Master Server/Parameter Server?
• ROS sans Master Server/Parameter Server?
• ros service callback blocks the other node callbacks?
• ros service callback blocks the other node callbacks?
• Android phone connecting to roscore on pc and thus how android phone can act as device for command input
• Android phone connecting to roscore on pc and thus how android phone can act as device for command input
• subscriber pointcloud
• subscriber pointcloud
• rosmake compiler warnings
• rosmake compiler warnings
• Programmatic way to stop roslaunch
• Programmatic way to stop roslaunch
• Using service to communicate between nodes in different package
• Using service to communicate between nodes in different package
• install pr2_description
• install pr2_description
• rostest kills roscore
• rostest kills roscore
• Subscriber node
• Subscriber node
• Specifying non-standard library path
• Specifying non-standard library path
• combining launch files doesn't give same behavior: order / timing of ik solver
• combining launch files doesn't give same behavior: order / timing of ik solver
• How to build ROS nodes with other libraries?
• How to build ROS nodes with other libraries?
• Is it possible to save the rxloggerlevel level's?
• Is it possible to save the rxloggerlevel level's?
• Rospack failed to build
• Rospack failed to build
• How to add the node name in warning or fatal message?
• How to add the node name in warning or fatal message?
• pausing inside .launch file?
• pausing inside .launch file?
• Fixed Frame [/laser] does not exist
• Fixed Frame [/laser] does not exist
• Referencing non-ROS packages dependencies
• Referencing non-ROS packages dependencies
• Why robot_model use urdf not just using universal CAD extension file?
• Why robot_model use urdf not just using universal CAD extension file?
• unable to transform pos constraints to odom_combined
• unable to transform pos constraints to odom_combined
• pcl::PointCloud vs. sensor_msgs::PointCloud
• pcl::PointCloud vs. sensor_msgs::PointCloud
• How to install ROS on another partition not /opt
• How to install ROS on another partition not /opt
• Advice ROS Single Board Computer - (Kinect, +other sensors)
• Advice ROS Single Board Computer - (Kinect, +other sensors)
• What happens is a node receives a message while it's in the middle of a callback?
• What happens is a node receives a message while it's in the middle of a callback?
• Is it safe to change system date/time during execution
• Is it safe to change system date/time during execution
• question on one-to-many communication using rosservice
• question on one-to-many communication using rosservice
• Compile error: Multiple main functions in using service clients
• Compile error: Multiple main functions in using service clients
• Waiting on transform from /base_link to /map?
• Waiting on transform from /base_link to /map?
• Help understanding how fast the sensor_msgs::PointCloud2 from the openni_camera are received
• Help understanding how fast the sensor_msgs::PointCloud2 from the openni_camera are received
• Error installing "could not get lock..."
• Error installing "could not get lock..."
• rewriting python program in cpp, how to fill in the header field in msg
• rewriting python program in cpp, how to fill in the header field in msg
• `Frame id /base_link does not exist` in pr2 simulation
• `Frame id /base_link does not exist` in pr2 simulation
• adding support lib and headers to ros package
• adding support lib and headers to ros package
• add a custom library?
• add a custom library?
• cannot specify link libraries for target
• cannot specify link libraries for target
• Correct way to publish a 3D PointStamped target for head tracking?
• Correct way to publish a 3D PointStamped target for head tracking?
• Porting ROS to other Languages
• Porting ROS to other Languages
• Transparent cubes in RViz
• Transparent cubes in RViz
• Is re-compilation of rviz, after adding a module necessary?
• Is re-compilation of rviz, after adding a module necessary?
• Plot a Gaussian 3D representation with markers in rviz
• Plot a Gaussian 3D representation with markers in rviz
• roscpp relative parameter
• roscpp relative parameter
• problem installing ros full ubuntu 10.4
• problem installing ros full ubuntu 10.4
• plotting a MarkerArray of spheres with rviz
• plotting a MarkerArray of spheres with rviz
• Why roscore can' find the good IP adress ?
• Why roscore can' find the good IP adress ?
• hokuyo_node error code 15->15
• hokuyo_node error code 15->15
• Chrony configuration and limitations
• Chrony configuration and limitations
• can not link library files
• can not link library files
• Problem while launching Gazebo
• Problem while launching Gazebo
• How to use ROS with GTK+?
• How to use ROS with GTK+?
• Why do all nodes have to be linked to /rosout?
• Why do all nodes have to be linked to /rosout?
• Send data from one laptop(code blocks) to another laptop(ros packages)?
• Send data from one laptop(code blocks) to another laptop(ros packages)?
• Gazebo object pose and getAsEuler
• Gazebo object pose and getAsEuler
• Conversion into ROS compatible timestamp
• Conversion into ROS compatible timestamp
• Namespace and Remapping
• Namespace and Remapping
• base_link to laser frame
• base_link to laser frame
• is tf.transformations.quaternion_from_euler equal with tf::createQuaternionMsgFromYaw in functional?
• is tf.transformations.quaternion_from_euler equal with tf::createQuaternionMsgFromYaw in functional?
• save data from the kinect
• save data from the kinect
• How to use Simple_navigation_goals ?
• How to use Simple_navigation_goals ?
• Problem with teleop_base stage tutorial, how to install 'joy' package?
• Problem with teleop_base stage tutorial, how to install 'joy' package?
• How to deliver arguments to a callback function?
• How to deliver arguments to a callback function?
• how to get the data from subscriber
• how to get the data from subscriber
• navigation carlike
• navigation carlike
• unmet dependencies when install ros-electric-desktop-full
• unmet dependencies when install ros-electric-desktop-full
• Is there a way to wait for certain topics to be published in a launchfile?
• Is there a way to wait for certain topics to be published in a launchfile?
• trying to play back images from multiple cameras in rxbag causes both videos to flip between cameras
• trying to play back images from multiple cameras in rxbag causes both videos to flip between cameras
• How to make clean to my stack?
• How to make clean to my stack?
• Publishing a topic/message in a callback member function
• Publishing a topic/message in a callback member function
• How to compile init.cpp in roscpp package?
• How to compile init.cpp in roscpp package?
• ROS topic structure?
• ROS topic structure?
• pr2controller tutorial, quaternion not the same for same program in python and cpp
• pr2controller tutorial, quaternion not the same for same program in python and cpp
• Is it possible to have 2 nodehandlers for a single node
• Is it possible to have 2 nodehandlers for a single node
• ROS Stream prints spurious characters to log
• ROS Stream prints spurious characters to log
• Does ROS optimize around unheard messages?
• Does ROS optimize around unheard messages?
• How do I record multiple paths?
• How do I record multiple paths?
• Installation problem with kinect
• Installation problem with kinect
• How to rename existing package?
• How to rename existing package?
• circular dependency
• circular dependency
• Will fuerte have an Ubuntu 10.04 installation ?
• Will fuerte have an Ubuntu 10.04 installation ?
• Relative pose between two tf::Transforms
• Relative pose between two tf::Transforms
• after running the Publisher and subcriber, .h file is not being made
• after running the Publisher and subcriber, .h file is not being made
• Using services from Node
• Using services from Node
• RGBDSLAM Installation problem
• RGBDSLAM Installation problem
• Help with writing a subscriber node for an existing publisher
• Help with writing a subscriber node for an existing publisher
• Rotation in static transform publisher
• Rotation in static transform publisher
• ROS Qt creator GUI
• ROS Qt creator GUI
• Is it possible to commuincate over UDP?
• Is it possible to commuincate over UDP?
• Subscribing problem with message_filters
• Subscribing problem with message_filters
• Navigation Goals {Robot Position and Orientation}
• Navigation Goals {Robot Position and Orientation}
• Do not have any equipment
• Do not have any equipment
• "frame_id" assignment
• "frame_id" assignment
• Concepts of parameters and services
• Concepts of parameters and services
• ROS subscriber integration
• ROS subscriber integration
• How to colorize shell while using rosmake?
• How to colorize shell while using rosmake?
• rosserial arduino
• rosserial arduino
• Path calculation by Android phone... Generally possible?
• Path calculation by Android phone... Generally possible?
• Pr2 simulation speed
• Pr2 simulation speed
• Start/Stop node at runtime?
• Start/Stop node at runtime?
• transformLaserScanToPointCloud and pcl::fromROSMsgs???
• transformLaserScanToPointCloud and pcl::fromROSMsgs???
• Using rosserial for a ATmega168/Arduino based motorcontroller
• Using rosserial for a ATmega168/Arduino based motorcontroller
• how to fix ros:Message error?
• how to fix ros:Message error?
• What is an ideal way of debugging a segmentation fault in ROS?
• What is an ideal way of debugging a segmentation fault in ROS?
• Putting log messages from non-ROS code into ROS logging system
• Putting log messages from non-ROS code into ROS logging system
• What tools were used to create PR2's rviz model?
• What tools were used to create PR2's rviz model?
• port problems for not being root
• port problems for not being root
• How to replace old ROS Turtle version with ROS Fuerte installation
• How to replace old ROS Turtle version with ROS Fuerte installation
• simple question about #include </control_toolbox/pid.h>
• simple question about #include </control_toolbox/pid.h>
• How do I make a debian binary out of my stacks and get it listed as a ros package?
• How do I make a debian binary out of my stacks and get it listed as a ros package?
• What are the minimun System Hardware Requirements
• What are the minimun System Hardware Requirements
• How to generate a control signal from the USB port?
• How to generate a control signal from the USB port?
• Add markers to markerarray in c++
• Add markers to markerarray in c++
• remapping with robot_state_publisher
• remapping with robot_state_publisher
• how to realise this function?
• how to realise this function?
• cmd_vel.y=1 stop pioneer robot
• cmd_vel.y=1 stop pioneer robot
• Combining laser_scan_matcher with gmapping
• Combining laser_scan_matcher with gmapping
• hector_localization
• hector_localization
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• Multiple nodes publish to one topic, all fields in msg are not populated at once
• ros as root - common bug, when workspace is in /home/user/ros_workspace
• ros as root - common bug, when workspace is in /home/user/ros_workspace
• Passing Messages between multiple roscores linked on a network
• Passing Messages between multiple roscores linked on a network
• Gazebo SDF has no gazebo element
• Gazebo SDF has no gazebo element
• How to subscribe to a topic at will/on demand?
• How to subscribe to a topic at will/on demand?
• subscribing to a topic at every iteration of a loop
• subscribing to a topic at every iteration of a loop
• Custom global planner
• Custom global planner
• Can someone explain callbacks?
• Can someone explain callbacks?
• NO MAP DATA
• NO MAP DATA
• kinect /scan data format
• kinect /scan data format
• About Octomap from rgbdslam.
• About Octomap from rgbdslam.
• int callback
• int callback
• openni driver installation
• openni driver installation
• octovis for ros-electric
• octovis for ros-electric
• Error in tutorial 10---rosmake beginner_tutorials
• Error in tutorial 10---rosmake beginner_tutorials
• using eclipse in linux(make instruction)
• using eclipse in linux(make instruction)
• Interfacing SPI signal based sensor to ROS? any idea?
• Interfacing SPI signal based sensor to ROS? any idea?
• Tutorial Question: Writing a Simple Publisher and Subscriber (C++)
• Tutorial Question: Writing a Simple Publisher and Subscriber (C++)
• ls: cannot access /dev/ttyACM0: No such file or directory
• ls: cannot access /dev/ttyACM0: No such file or directory
• Problems with TF using the navigation stack
• Problems with TF using the navigation stack
• Can I clear all topics after I kill all nodes?
• Can I clear all topics after I kill all nodes?
• How do I get the angle in radians (0 to 2pi) from a quaternion?
• How do I get the angle in radians (0 to 2pi) from a quaternion?
• synch between gazebo and rviz
• synch between gazebo and rviz
• When is the time that ROS will support backward compatibility?
• When is the time that ROS will support backward compatibility?
• Problem with rostopic
• Problem with rostopic
• cannot subscribe plugin
• cannot subscribe plugin
• Roslaunch Sequentially
• Roslaunch Sequentially
• [gmapping] get current robot-position?
• [gmapping] get current robot-position?
• Pointcloud_to_Laserscan correctly installed?
• Pointcloud_to_Laserscan correctly installed?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• When should I use topics vs services vs actionlib actions (vs dynamic_reconfigure)?
• What to use with amcl to get the robot current Velocity, geometry_msgs or nav_msg/Odometry??
• What to use with amcl to get the robot current Velocity, geometry_msgs or nav_msg/Odometry??
• What is the difference between Fuerte and ROS electric
• What is the difference between Fuerte and ROS electric
• How can a PIC18F4550 communicate with ROS?
• How can a PIC18F4550 communicate with ROS?
• Will Ubuntu/ROS recognize my R/C plane simulator joystick?
• Will Ubuntu/ROS recognize my R/C plane simulator joystick?
• How to work with ROS in new hardware platform?
• How to work with ROS in new hardware platform?
• Regarding ros::WallTime
• Regarding ros::WallTime
• project structure question concerning dynamic reconfigure and the parameter server
• project structure question concerning dynamic reconfigure and the parameter server
• ROS+Qt question
• ROS+Qt question
• Is VPN necessary for networking turtlebot?
• Is VPN necessary for networking turtlebot?
• Terminal Software for ROS/Ubuntu ?
• Terminal Software for ROS/Ubuntu ?
• How to set arg to a node from launch file?
• How to set arg to a node from launch file?
• Determine if another rosnode is subscribing to published topic?
• Determine if another rosnode is subscribing to published topic?
• Installation error in Ubuntu 12.10
• Installation error in Ubuntu 12.10
• How do you install dependencies
• How do you install dependencies
• rgbdslam on electric, compiling error
• rgbdslam on electric, compiling error
• slam_gmapping using imu data instead of /odom
• slam_gmapping using imu data instead of /odom
• listing parameters or using a dictionary
• listing parameters or using a dictionary
• Choose the right IMU for our Robot
• Choose the right IMU for our Robot
• mathematic library for ros
• mathematic library for ros
• ROS Stacks in home and file system
• ROS Stacks in home and file system
• Fusing different laser scanners
• Fusing different laser scanners
• The meaning of error msgs in arm_navigation and how to debug
• The meaning of error msgs in arm_navigation and how to debug
• publisher and subscriber in the same node
• publisher and subscriber in the same node
• all benefits to use overlay
• all benefits to use overlay
• strange dates in ROS' bags
• strange dates in ROS' bags
• How to generate an external library to work in the ROS as the thirdparty file?
• How to generate an external library to work in the ROS as the thirdparty file?
• publish only some topics of a rosbag file (Command line or launch file)
• publish only some topics of a rosbag file (Command line or launch file)
• Install of ROS Groovy on Ubuntu 12.04 Failed
• Install of ROS Groovy on Ubuntu 12.04 Failed
• rosmake openni_camera gives an error
• rosmake openni_camera gives an error
• angles::normalize_angle_positive not resolved
• angles::normalize_angle_positive not resolved
• Ideas for communicate N systems that uses ROS. (Example inside)
• Ideas for communicate N systems that uses ROS. (Example inside)
• Getting Coordinates of Turtlebot
• Getting Coordinates of Turtlebot
• Why can't you use floats for accessing parameters in roscpp?
• Why can't you use floats for accessing parameters in roscpp?
• How to call methods defined in python in a node written in C++
• How to call methods defined in python in a node written in C++
• How to evaluate the performance of the pose estimation of Hector_Mapping
• How to evaluate the performance of the pose estimation of Hector_Mapping
• Are there ROS API documents published, and where?
• Are there ROS API documents published, and where?
• Prevent (via command line) a node from advertising topics
• Prevent (via command line) a node from advertising topics
• How to search for ROS packages?
• How to search for ROS packages?
• ROS network bandwidth requirements
• ROS network bandwidth requirements
• Memory requirement
• Memory requirement
• Synchronizing 3 messages: Build Errors
• Synchronizing 3 messages: Build Errors
• remove info and time from ROS_INFO
• remove info and time from ROS_INFO
• Get all topics in c++
• Get all topics in c++
• Producer-consumer problem in ROS
• Producer-consumer problem in ROS
• Clean-up of rosparam after ending launch scripts
• Clean-up of rosparam after ending launch scripts
• How to use rosinstall with articulation
• How to use rosinstall with articulation
• How to use laptop integrated camera to capture image?
• How to use laptop integrated camera to capture image?
• How to use txt file as a parameter to roslaunch file?
• How to use txt file as a parameter to roslaunch file?
• turtlebot navigation
• turtlebot navigation
• How to exclude one package from the catkin_make build?
• How to exclude one package from the catkin_make build?
• ROS msg get seqence number || pointer adress allways added
• ROS msg get seqence number || pointer adress allways added
• What are good Kinect gmapping parameters?
• What are good Kinect gmapping parameters?
• Is there a public ROS matster available?
• Is there a public ROS matster available?
• Internal Architecture of ROS
• Internal Architecture of ROS
• Why does ROS overwrite my sequence number?
• Why does ROS overwrite my sequence number?
• Running gscam simultaneously on multiple laptops having a common ROSmaster
• Running gscam simultaneously on multiple laptops having a common ROSmaster
• Give move_base goalpoints without orientation
• Give move_base goalpoints without orientation
• RViz camera view: other coordinate frame convention
• RViz camera view: other coordinate frame convention
• Does roslaunch support topic remapping from command line?
• Does roslaunch support topic remapping from command line?
• read cmd_vel commands from a text file
• read cmd_vel commands from a text file
• Running navigation stack in Stage - move_base problem appeared
• Running navigation stack in Stage - move_base problem appeared
• Navigation Stack Without sensor
• Navigation Stack Without sensor
• Hokuyo_node with groovy
• Hokuyo_node with groovy
• tf::Quaternion syntax question
• tf::Quaternion syntax question
• Parameter list from launch file
• Parameter list from launch file
• How can I use ROS data to create a GUI??
• How can I use ROS data to create a GUI??
• Error reading /odom topic
• Error reading /odom topic
• gmapping: base_link to odom missing
• gmapping: base_link to odom missing
• ROS vs MATLAB...which is best..?
• ROS vs MATLAB...which is best..?
• Giving goal points without using rviz
• Giving goal points without using rviz
• Socket Programming in ROS
• Socket Programming in ROS
• defining serial ports
• defining serial ports
• rosdep is not working in my ubuntu 11.10
• rosdep is not working in my ubuntu 11.10
• return an array from a function member of a class
• return an array from a function member of a class
• `Message No map received` in Rviz
• `Message No map received` in Rviz
• How to run multiple roscore/master in a single machine?
• How to run multiple roscore/master in a single machine?
• Turtlebot Installtion help
• Turtlebot Installtion help
• How can I cancel a navigation command?
• How can I cancel a navigation command?
• Creating ROS Package with Hokuyo_node catkin
• Creating ROS Package with Hokuyo_node catkin
• rosrun UWSim error
• rosrun UWSim error
• Difference between rosrun and directly launching an executable
• Difference between rosrun and directly launching an executable
• Problem using Qt creator with ROS
• Problem using Qt creator with ROS
• ros::service::waitForService() blocks infinite
• ros::service::waitForService() blocks infinite
• Programatically load yaml config file to the Parameter Server in Python
• Programatically load yaml config file to the Parameter Server in Python
• problem getting topic remaps in the code
• problem getting topic remaps in the code
• How to pause one node while a specific argument (rostopic) is active
• How to pause one node while a specific argument (rostopic) is active
• How do I install and run a ROS Package?
• How do I install and run a ROS Package?
• Calculate difference between two poses
• Calculate difference between two poses
• Finding a frame pose given pose (calculated) of another frame
• Finding a frame pose given pose (calculated) of another frame
• How to find the IP of your turtlebot
• How to find the IP of your turtlebot
• how can i save my map permanently ?
• how can i save my map permanently ?
• Can not create a map with gmapping
• Can not create a map with gmapping
• Running ROS in pure simulation
• Running ROS in pure simulation
• arduino example for cmd_vel subsriber
• arduino example for cmd_vel subsriber
• Rosdep: Adding dependencies that have to be compiled
• Rosdep: Adding dependencies that have to be compiled
• rostopic pub
• rostopic pub
• Driving the robot up a ramp
• Driving the robot up a ramp
• Action Client Results
• Action Client Results
• Attaching an Sick S300 Advanced to a PC with ROS
• Attaching an Sick S300 Advanced to a PC with ROS
• Hokuyo scans to 3D point clouds (with tilt angle and sensor position)
• Hokuyo scans to 3D point clouds (with tilt angle and sensor position)
• CAD model of the PR2?
• CAD model of the PR2?
• hokuyo node laser message publishing
• hokuyo node laser message publishing
• roscd: No such package/stack 'beginner_tutorials'
• roscd: No such package/stack 'beginner_tutorials'
• Turtlebot 2 with Kobuki base - Jerky movement and Warning message
• Turtlebot 2 with Kobuki base - Jerky movement and Warning message
• publisher not publishing on topic
• publisher not publishing on topic
• Why can't catkin depend on rosbuild?
• Why can't catkin depend on rosbuild?
• Catkin_make requires root
• Catkin_make requires root
• Autonomous Navigation of a Known Map with TurtleBot Problem
• Autonomous Navigation of a Known Map with TurtleBot Problem
• Use central definition database (XML) across multiple nodes?
• Use central definition database (XML) across multiple nodes?
• Comparing two Occupancy Grids
• Comparing two Occupancy Grids
• Rosdep update
• Rosdep update
• Specify TCP port communication between a ROS node and a none ROS exe
• Specify TCP port communication between a ROS node and a none ROS exe
• Is AMCL necessary for exploration if gmapping is already running?
• Is AMCL necessary for exploration if gmapping is already running?
• What determines the published message on a topic
• What determines the published message on a topic
• How to 3D represent model in ROS
• How to 3D represent model in ROS
• How to use Support Vector Mashines and ROS?
• How to use Support Vector Mashines and ROS?
• Different ROS versions on multiple machines
• Different ROS versions on multiple machines
• Separate Package for Messages?
• Separate Package for Messages?
• Why /base_footprint's position is not (0,0,0) in /tf?
• Why /base_footprint's position is not (0,0,0) in /tf?
• Broadcaster & Listener
• Broadcaster & Listener
• Multi beam laser
• Multi beam laser
• Any best practices to record high quality images in rosbag?
• Any best practices to record high quality images in rosbag?
• ROS remote master: can see topics but no data
• ROS remote master: can see topics but no data
• rosserial_arduino can't send a sensor_msgs/Imu msg
• rosserial_arduino can't send a sensor_msgs/Imu msg
• Publish unknown number of topics?
• Publish unknown number of topics?
• How to set sinusoidal velocity?
• How to set sinusoidal velocity?
• SOme help with launch files
• SOme help with launch files
• Switching between autonomous control and keyboard control in ROS
• Switching between autonomous control and keyboard control in ROS
• Security Vulnerabilities in ROS
• Security Vulnerabilities in ROS
• How odometry is going to help the navigation stack?
• How odometry is going to help the navigation stack?
• How to link a common module in more packages?
• How to link a common module in more packages?
• ros code: expired license svn ?
• ros code: expired license svn ?
• How to exchange data between nodes?
• How to exchange data between nodes?
• Which ROS version will be appropriate for an Autonomous Underwater Vehicle ?
• Which ROS version will be appropriate for an Autonomous Underwater Vehicle ?
• Install ROS on Linux Mint 16
• Install ROS on Linux Mint 16
• rostopic publish message to remote machine?
• rostopic publish message to remote machine?
• How can i write a tf?
• How can i write a tf?
• Trying to write a service to publish data from serial
• Trying to write a service to publish data from serial
• catkin vs rosbuild system?
• catkin vs rosbuild system?
• Package for Generically Listening to Topics
• Package for Generically Listening to Topics
• Velodyne 64 to 32
• Velodyne 64 to 32
• install ROS groovy and Hydro at the same time
• install ROS groovy and Hydro at the same time
• Is Header required in a message?
• Is Header required in a message?
• Ros topic published string cannot be captured
• Ros topic published string cannot be captured
• Using the same node twice
• Using the same node twice
• convenience scripts for switching catkin workspaces
• convenience scripts for switching catkin workspaces
• Move base to absolute coordinates?
• Move base to absolute coordinates?
• Transformation between two frames from unconnected trees
• Transformation between two frames from unconnected trees
• Who knows "ROS Answers" that how to deploy ？
• Who knows "ROS Answers" that how to deploy ？
• Octomap + Rosjava?
• Octomap + Rosjava?
• Problem with gmapping
• Problem with gmapping
• How to "Rostopic echo" only the pose in the 'odom' topic
• How to "Rostopic echo" only the pose in the 'odom' topic
• How to crate a map with gmapping and hokuyo laser
• How to crate a map with gmapping and hokuyo laser
• The right way to clear out the obstacle on costmap?
• The right way to clear out the obstacle on costmap?
• catkin: move/remove package and workspace
• catkin: move/remove package and workspace
• Handling two nodes
• Handling two nodes
• SPAM - can admins do something please ?
• SPAM - can admins do something please ?
• why are .h and .cpp separate in the directory structure?
• why are .h and .cpp separate in the directory structure?
• Tf tutorial Cpp Question
• Tf tutorial Cpp Question
• What are publishers and subscribers?
• What are publishers and subscribers?
• make eclipse-project in stack
• make eclipse-project in stack
• What's the catkin equivalent of ROS_NOBUILD?
• What's the catkin equivalent of ROS_NOBUILD?
• How can i transplant old src from groovy to hydro?
• How can i transplant old src from groovy to hydro?
• Simple action client freezes at waitForServer(), command line possibility?
• Simple action client freezes at waitForServer(), command line possibility?
• Computer vision in ROS
• Computer vision in ROS
• Running ROS nodes without roscore
• Running ROS nodes without roscore
• Running processes on different machines causes md5sum incompatibility issue
• Running processes on different machines causes md5sum incompatibility issue
• How catkin compile with rosbuild package?
• How catkin compile with rosbuild package?
• robot_state_publisher fixed frames 0.5s ahead
• robot_state_publisher fixed frames 0.5s ahead
• Catkin fails to chain workspaces
• Catkin fails to chain workspaces
• gmapping pacakage Overlaying with catkin workspaces
• gmapping pacakage Overlaying with catkin workspaces
• iostream not found
• iostream not found
• right way of using rosmake?
• right way of using rosmake?
• how to omit the step of setup.bash every time?
• how to omit the step of setup.bash every time?
• Navigation stack, no laser
• Navigation stack, no laser
• Best way of sharing parameters/flags among nodes which donot change much?
• Best way of sharing parameters/flags among nodes which donot change much?
• Why no dedicated support for many platforms?
• Why no dedicated support for many platforms?
• Is PR2 also follow DH Convention?
• Is PR2 also follow DH Convention?
• Set log level for non-ROS nodes (my own nodes)
• Set log level for non-ROS nodes (my own nodes)
• How to move a Robot in Reverse in ROS?
• How to move a Robot in Reverse in ROS?
• Are there any unofficial distributions of ros?
• Are there any unofficial distributions of ros?
• cannot find log files
• cannot find log files
• Multiple GIT repositories in a workspace
• Multiple GIT repositories in a workspace
• Difference between two transform broadcasters
• Difference between two transform broadcasters
• ROS master URI is not set
• ROS master URI is not set
• StampedTransform getting Position instead of Relative Position
• StampedTransform getting Position instead of Relative Position
• Nodes of robotic system and actions
• Nodes of robotic system and actions
• About using callbacks [Not solved]
• About using callbacks [Not solved]
• Creating a ROS msg and srv - Tutorial
• Creating a ROS msg and srv - Tutorial
• Camera / Perception Tutorials in ROS
• Camera / Perception Tutorials in ROS
• Move a certain distance (geometry_msg:Twist)
• Move a certain distance (geometry_msg:Twist)
• when is the callback function called
• when is the callback function called
• Using Hokuyo node with multiple lasers
• Using Hokuyo node with multiple lasers
• Two nodes publish to one topic
• Two nodes publish to one topic
• How to use a parameter file with a rosrun
• How to use a parameter file with a rosrun
• How to save a 2dmap obtained from a topic published by octomap ??
• How to save a 2dmap obtained from a topic published by octomap ??
• ROS Time vs Wall time
• ROS Time vs Wall time
• Sensor msg to an opencv image
• Sensor msg to an opencv image
• Check if service advertised successfully
• Check if service advertised successfully
• cannot find libraries when linking
• cannot find libraries when linking
• Get the name of a sub-parameter, not the whole structure
• Get the name of a sub-parameter, not the whole structure
• How to convert LaserScanner msgs to 2D cartesian cooridnates?
• How to convert LaserScanner msgs to 2D cartesian cooridnates?
• Path to resource files in C++ node
• Path to resource files in C++ node
• move_base sometimes fails to drive, how to find out why
• move_base sometimes fails to drive, how to find out why
• doubt regarding working of base_local_planner and oscillations about the global plan
• doubt regarding working of base_local_planner and oscillations about the global plan
• ROS_PACKAGE_PATH doesn't save
• ROS_PACKAGE_PATH doesn't save
• hokuyo at /dev/ttyACM0 change default settings
• hokuyo at /dev/ttyACM0 change default settings
• Missing resource
• Missing resource
• ROS Navigation Stack: Global Planner
• ROS Navigation Stack: Global Planner
• WARNING using viso2_ros mono_odometer: "The tf from '/base_link' to '/camera' does not seem to be available, will assume it as identity!"
• WARNING using viso2_ros mono_odometer: "The tf from '/base_link' to '/camera' does not seem to be available, will assume it as identity!"
• reading parameter in c
• reading parameter in c
• hector_slam: how to load a saved map (and perform localization)
• hector_slam: how to load a saved map (and perform localization)
• Problem with converting rosmake package to catkin package
• Problem with converting rosmake package to catkin package
• Does ros 2.0 yet exist? If so where can I find it
• Does ros 2.0 yet exist? If so where can I find it
• subscriber callback
• subscriber callback
• Using Num.msg from Beginner tutorial
• Using Num.msg from Beginner tutorial
• Why publish if no one is subscribing?
• Why publish if no one is subscribing?
• Simple... open a serial port and send a value to microcontroller
• Simple... open a serial port and send a value to microcontroller
• Jenkins build became unstable - what am I supposed to do?
• Jenkins build became unstable - what am I supposed to do?
• Publishing PointCloud2
• Publishing PointCloud2
• Accessing float/double list using rosparam
• Accessing float/double list using rosparam
• Setting a Pose goal through move_it package
• Setting a Pose goal through move_it package
• Kinect or Asus for a movement base
• Kinect or Asus for a movement base
• Ros threading to have multiple processes?
• Ros threading to have multiple processes?
• How to callback specific tf joint from openni_tracker
• How to callback specific tf joint from openni_tracker
• Kill other roscore/master processes on bourn shell
• Kill other roscore/master processes on bourn shell
• About Subscriber Structure and “latch” on Publisher
• About Subscriber Structure and “latch” on Publisher
• About response function in a server file.
• About response function in a server file.
• what is normalize()
• what is normalize()
• Rostopic node in launch files
• Rostopic node in launch files
• One Action Client to Many Action Servers
• One Action Client to Many Action Servers
• How to get data from lookupTransform() without publishing tf data?
• How to get data from lookupTransform() without publishing tf data?
• Documentation on writing hardware drivers
• Documentation on writing hardware drivers
• Run shell command from launch script
• Run shell command from launch script
• Is the data in header message automatically filled?
• Is the data in header message automatically filled?
• How can I publish an int8 array as a nav_msgs/OccupancyGrid?
• How can I publish an int8 array as a nav_msgs/OccupancyGrid?
• [Map] question about its basic 2d map structure~
• [Map] question about its basic 2d map structure~
• How to change rosbag record rate - how to undersample messages
• How to change rosbag record rate - how to undersample messages
• A silly question about packages organization!!!
• A silly question about packages organization!!!
• How to calculate sensor_msgs/Imu data from IMU sensor
• How to calculate sensor_msgs/Imu data from IMU sensor
• How to promote questions/get answers?
• How to promote questions/get answers?
• How to make my own base controller publish /odom?
• How to make my own base controller publish /odom?
• UDP connection setting
• UDP connection setting
• Warning "No map received" occurs, when trying to visualize map in rviz
• Warning "No map received" occurs, when trying to visualize map in rviz
• Custom message
• Custom message
• How to kill master process 'rosout'? (will always respawn)
• How to kill master process 'rosout'? (will always respawn)
• Old versions of packages in ROS repository
• Old versions of packages in ROS repository
• problem publishing tf map->base_link
• problem publishing tf map->base_link
• Task scheduler recommendation/advice
• Task scheduler recommendation/advice
• What's the difference between Topic and Parameter?
• What's the difference between Topic and Parameter?
• detecting timeout from waitForMessage
• detecting timeout from waitForMessage
• Converting SolidWorks STL files into urdf file
• Converting SolidWorks STL files into urdf file
• Difference between Gazebo & Moveit!!!
• Difference between Gazebo & Moveit!!!
• sync ros bag timestamps with ros system
• sync ros bag timestamps with ros system
• Strange sensor_msgs/PointCloud2 MD5 signatures
• Strange sensor_msgs/PointCloud2 MD5 signatures
• poseEigenToMsg is not a member of 'tf'
• poseEigenToMsg is not a member of 'tf'
• Creating an RVIZ plugin for a new display type
• Creating an RVIZ plugin for a new display type
• Problems with catkin_make
• Problems with catkin_make
• laser_assembler and laser.bag issue
• laser_assembler and laser.bag issue
• STL vs DAE
• STL vs DAE
• How to get message type in rospy?
• How to get message type in rospy?
• Binary data representation in messages
• Binary data representation in messages
• Tutorial: Parse a urdf file
• Tutorial: Parse a urdf file
• TypeError: cannot marshal <type 'numpy.float64'> objects
• TypeError: cannot marshal <type 'numpy.float64'> objects
• Navigation stack parameter tuning for high accurate localization
• Navigation stack parameter tuning for high accurate localization
• AMCL, the purpose of "InitialPose" topic
• AMCL, the purpose of "InitialPose" topic
• Relation between Services and Nodes
• Relation between Services and Nodes
• How to read a topic last value from a Python script?
• How to read a topic last value from a Python script?
• Mono16 images displayed as 8 bits in rostopic echo
• Mono16 images displayed as 8 bits in rostopic echo
• Retrieve end effector pose in MoveIt
• Retrieve end effector pose in MoveIt
• Namespace without roslaunch
• Namespace without roslaunch
• What is first ? Publisher or Subscriber?
• What is first ? Publisher or Subscriber?
• How "expensive" is getNumSubscribers() of Publisher
• How "expensive" is getNumSubscribers() of Publisher
• comparison operators for messages
• comparison operators for messages
• image_raw and camera_info not synchronized in Wlan
• image_raw and camera_info not synchronized in Wlan
• roslaunch external program
• roslaunch external program
• no matching function for call to message_filters::sync_policies::ApproximateTime
• no matching function for call to message_filters::sync_policies::ApproximateTime
• add sources for rosinstall
• add sources for rosinstall
• Math functions for geometry_msgs?
• Math functions for geometry_msgs?

● Editor   × 2

• error in tf tutorial for diamondback
• error in tf tutorial for diamondback

● Autobiographer   × 2

● Student   × 2

• Mixed publishers for robot_state_publisher?
• Mixed publishers for robot_state_publisher?

● Enlightened   × 2

• topic tantrums
• topic tantrums

● Nice Question   × 20

• openni_node internal throttle to limit cpu usage
• openni_node internal throttle to limit cpu usage
• How to link URLs with parentheses correctly?
• How to link URLs with parentheses correctly?
• What is the correct way to do stuff before a node is shutdown?
• What is the correct way to do stuff before a node is shutdown?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Rviz weird shading when using materials
• Rviz weird shading when using materials
• rosdep rules for released stacks
• rosdep rules for released stacks
• Should catkin_make work for package targets?
• Should catkin_make work for package targets?
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• catkin build fails with rosbash errors
• catkin build fails with rosbash errors

● Great Question   × 4

• What is the correct way to do stuff before a node is shutdown?
• What is the correct way to do stuff before a node is shutdown?
• Should catkin_make work for package targets?
• Should catkin_make work for package targets?

● Good Question   × 8

• What is the correct way to do stuff before a node is shutdown?
• What is the correct way to do stuff before a node is shutdown?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• rosdep rules for released stacks
• rosdep rules for released stacks
• Should catkin_make work for package targets?
• Should catkin_make work for package targets?

● Enthusiast   × 1

● Organizer   × 2

• openni_node doesnt work
• openni_node doesnt work

● Critic   × 2

• Subscribing to a topic and storing the message
• Subscribing to a topic and storing the message

● Taxonomist   × 1

● Commentator   × 1

• Goals and Navigation in dynamic maps using GMapping

● Teacher   × 2

• Can you launch non-ROS programs from a .launch file?
• Can you launch non-ROS programs from a .launch file?

● Citizen Patrol   × 2

• Where is platform.h?
• Where is platform.h?

● Popular Question   × 56

• openni_node internal throttle to limit cpu usage
• openni_node internal throttle to limit cpu usage
• What is the correct way to do stuff before a node is shutdown?
• What is the correct way to do stuff before a node is shutdown?
• Rviz weird shading when using materials
• Rviz weird shading when using materials
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Correct way of using MultiDOFJointState in arm_navigation_msgs/RobotState
• Mixed publishers for robot_state_publisher?
• Mixed publishers for robot_state_publisher?
• rosws: Managing multiple workspaces with the same repository in place
• rosws: Managing multiple workspaces with the same repository in place
• Handling Date/Time parameters issues in rosparam/paramserver?
• Handling Date/Time parameters issues in rosparam/paramserver?
• pluginlib terminates when there are no plugins
• pluginlib terminates when there are no plugins
• Bug when adding a 6th comment?
• Bug when adding a 6th comment?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• Is a PlanningSceneDiff without CollisionObject shapes valid?
• rviz camera display locked in top left corner of screen
• rviz camera display locked in top left corner of screen
• Multiple visual entries in urdf
• Multiple visual entries in urdf
• How to link URLs with parentheses correctly?
• How to link URLs with parentheses correctly?
• rviz displays gap in robot model
• rviz displays gap in robot model
• move_base ~make_plan (nav_msgs/GetPlan) very slow
• move_base ~make_plan (nav_msgs/GetPlan) very slow
• rosdep rules for released stacks
• rosdep rules for released stacks
• Should catkin_make work for package targets?
• Should catkin_make work for package targets?
• Is there a simple way to test services (like actionlib's axclient)?
• Is there a simple way to test services (like actionlib's axclient)?
• Is there a simple script to crop an occupancy map?
• Is there a simple script to crop an occupancy map?
• Extending bash completion for a command in rosbash (with catkin_add_env_hooks)
• Extending bash completion for a command in rosbash (with catkin_add_env_hooks)
• rospack cache per workspace?
• rospack cache per workspace?
• DiagnosedPublisher window size seems wrong.
• DiagnosedPublisher window size seems wrong.
• Multiple / in computation graph names
• Multiple / in computation graph names
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• Running object_recognition (ORK) makes RViz with MoveIt Motion Planning Plugin unusable
• Policy on run_depends for external optional binary packages
• Policy on run_depends for external optional binary packages
• catkin build fails with rosbash errors
• catkin build fails with rosbash errors
• Prerelease tests with Bloom on first-release
• Prerelease tests with Bloom on first-release
• Setting roslaunch param via command with specific env var set
• Setting roslaunch param via command with specific env var set

● Civic Duty   × 2

• Do subscribers work on a FIFO queue?
• Do subscribers work on a FIFO queue?

● Scholar   × 2

• Multiple / in computation graph names
• Multiple / in computation graph names