Wolf's profile - overview

● Good Question   × 12

• Warning on advertise of std_mgs/Empty
• Warning on advertise of std_mgs/Empty
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• custom rqt gui
• custom rqt gui
• roslaunch forwarding args to included launch file
• roslaunch forwarding args to included launch file
• retrieve ros param in launch file
• retrieve ros param in launch file
• share params between nodes ROS2
• share params between nodes ROS2

● Necromancer   × 13

• problem facing in integration of ROS and OPENCV
• How to work with kinect frames in RGB color format using cvbridge
• opencv undefined reference problem
• How to run a newly created rqt plugin?
• cv_bridge swaps the RGB channels?
• Image transfer issue: cv_bridge
• having problem using vision_opencv to get image from kinect?
• rosserial arduino use PROGMEM in ros_lib
• Bird's Eye Projection in OpenCV
• ApproximateTime Policy error
• OpenCV setMouseCallback
• Real time control of the platform without encoders
• rosrun crash on auto-complete (tab)

● Supporter   × 2

• Which ROS version will be appropriate for an Autonomous Underwater Vehicle ?
• Which ROS version will be appropriate for an Autonomous Underwater Vehicle ?

● Self-Learner   × 6

• catkin export cmake definitions/variables to depending packages
• catkin export cmake definitions/variables to depending packages
• rosserial arduino use PROGMEM in ros_lib
• rosserial arduino use PROGMEM in ros_lib
• weird logs when using tab completion on rosrun
• weird logs when using tab completion on rosrun

● Popular Question   × 72

• Warning on advertise of std_mgs/Empty
• Warning on advertise of std_mgs/Empty
• Rosserial arduino: How to check on device if in sync with host?
• Rosserial arduino: How to check on device if in sync with host?
• megatree for hydro / src, wiki outdated
• megatree for hydro / src, wiki outdated
• nodelets what to take care of?
• nodelets what to take care of?
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Breakpoint in ROS_ASSERT
• Breakpoint in ROS_ASSERT
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Invalid package manifest of qt-ros when invoking catkin_make
• Invalid package manifest of qt-ros when invoking catkin_make
• robot web tools -> set fixed frame for camera
• robot web tools -> set fixed frame for camera
• Binary data representation in messages
• Binary data representation in messages
• qt moc header in different packages
• qt moc header in different packages
• remapping in rqt_plugins
• remapping in rqt_plugins
• Use rqt plugins as widgets in a "bigger" GUI
• Use rqt plugins as widgets in a "bigger" GUI
• catkin package CATKIN_DEPENDS question
• catkin package CATKIN_DEPENDS question
• rosserial arduino use PROGMEM in ros_lib
• rosserial arduino use PROGMEM in ros_lib
• catkin export cmake definitions/variables to depending packages
• catkin export cmake definitions/variables to depending packages
• Appropriate warning/error level for gcc with ROS
• Appropriate warning/error level for gcc with ROS
• How "expensive" is getNumSubscribers() of Publisher
• How "expensive" is getNumSubscribers() of Publisher
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• sync rosserial arduino
• sync rosserial arduino
• Is'nt ROS_INFO_STREAM_THROTTLE signature a little misleading
• Is'nt ROS_INFO_STREAM_THROTTLE signature a little misleading
• custom rqt gui
• custom rqt gui
• weird logs when using tab completion on rosrun
• weird logs when using tab completion on rosrun
• Which xml_rpc call performs rostopic list?
• Which xml_rpc call performs rostopic list?
• message size limit
• message size limit
• retrieve ros param in launch file
• retrieve ros param in launch file
• bag migration, fill new field with incrementing counter
• bag migration, fill new field with incrementing counter
• what makes rosbag to start playing fast?
• what makes rosbag to start playing fast?
• roscpp: requesting current queue state of subscriber
• roscpp: requesting current queue state of subscriber
• Emulate missing messages from rosbag; publish only every 2nd/4th/8th message
• Emulate missing messages from rosbag; publish only every 2nd/4th/8th message
• roslaunch forwarding args to included launch file
• roslaunch forwarding args to included launch file
• Aproximate Time jitter for rosserial ardunio
• Aproximate Time jitter for rosserial ardunio
• ROS plugins vs. static linking
• ROS plugins vs. static linking
• Respawn entire launch file
• Respawn entire launch file
• share params between nodes ROS2
• share params between nodes ROS2
• LookupTwist equivalent in tf2_ros
• LookupTwist equivalent in tf2_ros

● Nice Answer   × 204

• Is it possible to use Fuerte packages in Hydro?
• Is it possible to use Fuerte packages in Hydro?
• undefined symbol
• undefined symbol
• prunePlan() takes occasionally over 40 seconds!
• prunePlan() takes occasionally over 40 seconds!
• boost::bind errors in subscriber callback functions
• boost::bind errors in subscriber callback functions
• problem facing in integration of ROS and OPENCV
• problem facing in integration of ROS and OPENCV
• Could not find a configuration file for package opencv
• Could not find a configuration file for package opencv
• Problem of running "rosrun turtlesim turtlesim_node"
• Problem of running "rosrun turtlesim turtlesim_node"
• How to use depth value from /camera/depth/image?
• How to use depth value from /camera/depth/image?
• compile errors after update (ros::console)
• compile errors after update (ros::console)
• rosservice call in bash causing issues
• rosservice call in bash causing issues
• rosrun rviz rviz -d markers.rviz could not contact ROS master
• rosrun rviz rviz -d markers.rviz could not contact ROS master
• How to make a class with publisher and subscriber which is a member of another class
• How to make a class with publisher and subscriber which is a member of another class
• ros-fuerte cannot find opencv package
• ros-fuerte cannot find opencv package
• Undefined reference to ros::xx even after linking to ${catkin_LIBRARIES}
• Undefined reference to ros::xx even after linking to ${catkin_LIBRARIES}
• [Solved]catkin_make error: c++: error: $(catkin_LIBRARIES) no such file or directory
• [Solved]catkin_make error: c++: error: $(catkin_LIBRARIES) no such file or directory
• How can I list/know the available nodes in a package?
• How can I list/know the available nodes in a package?
• rosrun or roslaunch
• rosrun or roslaunch
• catkin structure
• catkin structure
• CMake - Linking external C++ library
• CMake - Linking external C++ library
• Display ros image on webpage using roslibjs
• Display ros image on webpage using roslibjs
• opencv undefined reference problem
• opencv undefined reference problem
• error during catkin_make
• error during catkin_make
• I am trying to run rviz but its showing this error
• I am trying to run rviz but its showing this error
• How to link own build OpenCV instead of ros-hydro-opencv
• How to link own build OpenCV instead of ros-hydro-opencv
• static transform shrinking and expanding randomly
• static transform shrinking and expanding randomly
• Creating continous tf broadcaster with Boost::Thread
• Creating continous tf broadcaster with Boost::Thread
• How to include header file generated by catkin srv?
• How to include header file generated by catkin srv?
• Publisher sleep forever using roslaunch
• Publisher sleep forever using roslaunch
• How to run sudo rosrun
• How to run sudo rosrun
• Is there a general way to convert ROS messages into JSON format?
• Is there a general way to convert ROS messages into JSON format?
• Get Const::PTR from message
• Get Const::PTR from message
• Android and ROS communication (Bluetooth or USB)
• Android and ROS communication (Bluetooth or USB)
• Guaranteed message delivery
• Guaranteed message delivery
• Callback from subscriber does not work
• Callback from subscriber does not work
• Node crashes
• Node crashes
• チュートリアルについて
• チュートリアルについて
• extend JointState with more data
• extend JointState with more data
• Does ROS support this scenario off-the-shelf?
• Does ROS support this scenario off-the-shelf?
• ROS performace as number of topics increase
• ROS performace as number of topics increase
• Multiple CameraInfoManagers in same node?
• Multiple CameraInfoManagers in same node?
• How to check whether message is the same as sent by the publisher?
• How to check whether message is the same as sent by the publisher?
• how to publish and sub camera in opencv
• how to publish and sub camera in opencv
• can i control the speed of ros running?
• can i control the speed of ros running?
• Rosbridge PNG decompression in Obj-C/C++
• Rosbridge PNG decompression in Obj-C/C++
• Why ROS messages do not inherit from a base class??
• Why ROS messages do not inherit from a base class??
• ros::Time.now().toSec() optimized out
• ros::Time.now().toSec() optimized out
• Directory of executables of ROS nodes compiled with Catkin
• Directory of executables of ROS nodes compiled with Catkin
• what is dependency?
• what is dependency?
• ROS_WARN not able to print std::string
• ROS_WARN not able to print std::string
• Sub meter ROS compatible GPS
• Sub meter ROS compatible GPS
• How to use image_proc node
• How to use image_proc node
• c++ : one file class-in-node to three files class, node, and header
• c++ : one file class-in-node to three files class, node, and header
• Debugging a bad topic subscription
• Debugging a bad topic subscription
• One callback interrupting another, is that possible?
• One callback interrupting another, is that possible?
• Image transfer issue: cv_bridge
• Image transfer issue: cv_bridge
• Error using sensor_msgs global variable
• Error using sensor_msgs global variable
• Getting list of published topics from within C++ code
• Getting list of published topics from within C++ code
• Error when calling catkin_make --> Invoking "make" failed'
• Error when calling catkin_make --> Invoking "make" failed'
• Why prefer to use uvc_camera instead of cv::Capture when working with OpenCV?
• Why prefer to use uvc_camera instead of cv::Capture when working with OpenCV?
• Setting class method callback from within object (C++)
• Setting class method callback from within object (C++)
• Where do I put base_footprint?
• Where do I put base_footprint?
• Void callback subscriber does not work
• Void callback subscriber does not work
• roslaunch python
• roslaunch python
• Segregating roscolsole output (C++)
• Segregating roscolsole output (C++)
• CMake Error for depending two custom packages
• CMake Error for depending two custom packages
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• Unable to #include pcl files in header
• Unable to #include pcl files in header
• How to run image_proc with roslaunch
• How to run image_proc with roslaunch
• Arduino IDE does not find msg header
• Arduino IDE does not find msg header
• Bagfile (containing depth and RGB data) to picture frames
• Bagfile (containing depth and RGB data) to picture frames
• Bagfile (containing depth and RGB data) to picture frames
• Bagfile (containing depth and RGB data) to picture frames
• cv_bridge tutorial program (ROS node) not working.
• cv_bridge tutorial program (ROS node) not working.
• How to properly shut down a node
• How to properly shut down a node
• How to save subscribed image in any location
• How to save subscribed image in any location
• Installing Packages
• Installing Packages
• Rqt_myPlugin can't subscribe node
• Rqt_myPlugin can't subscribe node
• catkin_package(INCLUDE_DIRS include) vs. include_directories(include)
• catkin_package(INCLUDE_DIRS include) vs. include_directories(include)
• opencv with ros kinetic
• opencv with ros kinetic
• How can I send a SIGINT to a single node?
• How can I send a SIGINT to a single node?
• What is a timestamp?
• What is a timestamp?
• Difference between roslaunch and rosrun with image_view
• Difference between roslaunch and rosrun with image_view
• how to catkin_make cuda code
• how to catkin_make cuda code
• can a node listen to two other nodes?
• can a node listen to two other nodes?
• SIGINT handler not working
• SIGINT handler not working
• Time Synchronizer (message_filters) with Custom Message type
• Time Synchronizer (message_filters) with Custom Message type
• How to specify my own OpenCV3 for cv_bridge
• How to specify my own OpenCV3 for cv_bridge
• start and kill rosbag record from bash shell script
• start and kill rosbag record from bash shell script
• Issues launching ROS on startup
• Issues launching ROS on startup
• Why isn't the response filled if my service returns false?
• Why isn't the response filled if my service returns false?
• Create service server in rqt c++
• Create service server in rqt c++
• Can catkin_make show all warnings?
• Can catkin_make show all warnings?
• How can I subscribe to a topic, using a parent class function as the callback?
• How can I subscribe to a topic, using a parent class function as the callback?
• How to run a newly created rqt plugin?
• How to run a newly created rqt plugin?
• catkin build can't find shared library from a dependent package
• catkin build can't find shared library from a dependent package
• Using Rosnode's API c++
• Using Rosnode's API c++
• Working with cv_bridge and OpenCV correctly
• Working with cv_bridge and OpenCV correctly
• launching remote machine
• launching remote machine
• Create a std::vector of msgs
• Create a std::vector of msgs
• Formatting ROS data to .csv file
• Formatting ROS data to .csv file
• how to access depth values form /camera/depth/image_raw??
• how to access depth values form /camera/depth/image_raw??
• cv_bridge swaps the RGB channels?
• cv_bridge swaps the RGB channels?
• Synchronise point Cloud and RGB Image from the same camera
• Synchronise point Cloud and RGB Image from the same camera

● Good Answer   × 94

• Is it possible to use Fuerte packages in Hydro?
• Is it possible to use Fuerte packages in Hydro?
• undefined symbol
• undefined symbol
• rosrun rviz rviz -d markers.rviz could not contact ROS master
• rosrun rviz rviz -d markers.rviz could not contact ROS master
• ros-fuerte cannot find opencv package
• ros-fuerte cannot find opencv package
• Could not find a configuration file for package opencv
• Could not find a configuration file for package opencv
• boost::bind errors in subscriber callback functions
• boost::bind errors in subscriber callback functions
• How to use depth value from /camera/depth/image?
• How to use depth value from /camera/depth/image?
• opencv undefined reference problem
• opencv undefined reference problem
• error during catkin_make
• error during catkin_make
• Undefined reference to ros::xx even after linking to ${catkin_LIBRARIES}
• Undefined reference to ros::xx even after linking to ${catkin_LIBRARIES}
• Does ROS support this scenario off-the-shelf?
• Does ROS support this scenario off-the-shelf?
• ROS performace as number of topics increase
• ROS performace as number of topics increase
• Directory of executables of ROS nodes compiled with Catkin
• Directory of executables of ROS nodes compiled with Catkin
• ROS_WARN not able to print std::string
• ROS_WARN not able to print std::string
• How to run sudo rosrun
• How to run sudo rosrun
• Why ROS messages do not inherit from a base class??
• Why ROS messages do not inherit from a base class??
• c++ : one file class-in-node to three files class, node, and header
• c++ : one file class-in-node to three files class, node, and header
• Debugging a bad topic subscription
• Debugging a bad topic subscription
• Setting class method callback from within object (C++)
• Setting class method callback from within object (C++)
• Is there a general way to convert ROS messages into JSON format?
• Is there a general way to convert ROS messages into JSON format?
• CMake - Linking external C++ library
• CMake - Linking external C++ library
• Display ros image on webpage using roslibjs
• Display ros image on webpage using roslibjs
• How to include header file generated by catkin srv?
• How to include header file generated by catkin srv?
• Unable to #include pcl files in header
• Unable to #include pcl files in header
• how to publish and sub camera in opencv
• how to publish and sub camera in opencv
• Callback from subscriber does not work
• Callback from subscriber does not work
• Problem of running "rosrun turtlesim turtlesim_node"
• Problem of running "rosrun turtlesim turtlesim_node"
• Get Const::PTR from message
• Get Const::PTR from message
• How to run image_proc with roslaunch
• How to run image_proc with roslaunch
• Arduino IDE does not find msg header
• Arduino IDE does not find msg header
• How to use image_proc node
• How to use image_proc node
• What is a timestamp?
• What is a timestamp?
• roslaunch python
• roslaunch python
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• start and kill rosbag record from bash shell script
• start and kill rosbag record from bash shell script
• [Solved]catkin_make error: c++: error: $(catkin_LIBRARIES) no such file or directory
• [Solved]catkin_make error: c++: error: $(catkin_LIBRARIES) no such file or directory
• One callback interrupting another, is that possible?
• One callback interrupting another, is that possible?
• Difference between roslaunch and rosrun with image_view
• Difference between roslaunch and rosrun with image_view
• How to specify my own OpenCV3 for cv_bridge
• How to specify my own OpenCV3 for cv_bridge
• Getting list of published topics from within C++ code
• Getting list of published topics from within C++ code
• Issues launching ROS on startup
• Issues launching ROS on startup
• Android and ROS communication (Bluetooth or USB)
• Android and ROS communication (Bluetooth or USB)
• SIGINT handler not working
• SIGINT handler not working
• CMake Error for depending two custom packages
• CMake Error for depending two custom packages
• catkin_package(INCLUDE_DIRS include) vs. include_directories(include)
• catkin_package(INCLUDE_DIRS include) vs. include_directories(include)
• Using Rosnode's API c++
• Using Rosnode's API c++
• How can I subscribe to a topic, using a parent class function as the callback?
• How can I subscribe to a topic, using a parent class function as the callback?

● Enlightened   × 2

• undefined symbol
• undefined symbol

● Commentator   × 1

• Write PCD File from a Topic - Hydro + PCL (Migration)

● Student   × 2

• Warning on advertise of std_mgs/Empty
• Warning on advertise of std_mgs/Empty

● Nice Question   × 30

• Warning on advertise of std_mgs/Empty
• Warning on advertise of std_mgs/Empty
• megatree for hydro / src, wiki outdated
• megatree for hydro / src, wiki outdated
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• catkin export cmake definitions/variables to depending packages
• catkin export cmake definitions/variables to depending packages
• Appropriate warning/error level for gcc with ROS
• Appropriate warning/error level for gcc with ROS
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• custom rqt gui
• custom rqt gui
• roslaunch forwarding args to included launch file
• roslaunch forwarding args to included launch file
• rosserial arduino use PROGMEM in ros_lib
• rosserial arduino use PROGMEM in ros_lib
• what makes rosbag to start playing fast?
• what makes rosbag to start playing fast?
• Aproximate Time jitter for rosserial ardunio
• Aproximate Time jitter for rosserial ardunio
• message size limit
• message size limit
• retrieve ros param in launch file
• retrieve ros param in launch file
• How "expensive" is getNumSubscribers() of Publisher
• How "expensive" is getNumSubscribers() of Publisher
• share params between nodes ROS2
• share params between nodes ROS2

● Teacher   × 2

• How to itegrate ROS in real time application?
• How to itegrate ROS in real time application?

● Citizen Patrol   × 2

• Creating continous tf broadcaster with Boost::Thread
• Creating continous tf broadcaster with Boost::Thread

● Notable Question   × 76

• Rosserial arduino: How to check on device if in sync with host?
• Rosserial arduino: How to check on device if in sync with host?
• Rosserial arduino: How to check on device if in sync with host?
• Rosserial arduino: How to check on device if in sync with host?
• Warning on advertise of std_mgs/Empty
• Warning on advertise of std_mgs/Empty
• megatree for hydro / src, wiki outdated
• megatree for hydro / src, wiki outdated
• nodelets what to take care of?
• nodelets what to take care of?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Invalid package manifest of qt-ros when invoking catkin_make
• Invalid package manifest of qt-ros when invoking catkin_make
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Breakpoint in ROS_ASSERT
• Breakpoint in ROS_ASSERT
• remapping in rqt_plugins
• remapping in rqt_plugins
• catkin package CATKIN_DEPENDS question
• catkin package CATKIN_DEPENDS question
• rosserial arduino use PROGMEM in ros_lib
• rosserial arduino use PROGMEM in ros_lib
• Appropriate warning/error level for gcc with ROS
• Appropriate warning/error level for gcc with ROS
• Binary data representation in messages
• Binary data representation in messages
• Is'nt ROS_INFO_STREAM_THROTTLE signature a little misleading
• Is'nt ROS_INFO_STREAM_THROTTLE signature a little misleading
• How "expensive" is getNumSubscribers() of Publisher
• How "expensive" is getNumSubscribers() of Publisher
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• custom rqt gui
• custom rqt gui
• sync rosserial arduino
• sync rosserial arduino
• catkin export cmake definitions/variables to depending packages
• catkin export cmake definitions/variables to depending packages
• Use rqt plugins as widgets in a "bigger" GUI
• Use rqt plugins as widgets in a "bigger" GUI
• weird logs when using tab completion on rosrun
• weird logs when using tab completion on rosrun
• message size limit
• message size limit
• robot web tools -> set fixed frame for camera
• robot web tools -> set fixed frame for camera
• qt moc header in different packages
• qt moc header in different packages
• roslaunch forwarding args to included launch file
• roslaunch forwarding args to included launch file
• bag migration, fill new field with incrementing counter
• bag migration, fill new field with incrementing counter
• roscpp: requesting current queue state of subscriber
• roscpp: requesting current queue state of subscriber
• Which xml_rpc call performs rostopic list?
• Which xml_rpc call performs rostopic list?
• Emulate missing messages from rosbag; publish only every 2nd/4th/8th message
• Emulate missing messages from rosbag; publish only every 2nd/4th/8th message
• retrieve ros param in launch file
• retrieve ros param in launch file
• what makes rosbag to start playing fast?
• what makes rosbag to start playing fast?
• Aproximate Time jitter for rosserial ardunio
• Aproximate Time jitter for rosserial ardunio
• ROS plugins vs. static linking
• ROS plugins vs. static linking
• Respawn entire launch file
• Respawn entire launch file
• share params between nodes ROS2
• share params between nodes ROS2
• LookupTwist equivalent in tf2_ros
• LookupTwist equivalent in tf2_ros

● Scholar   × 2

• Rosserial arduino: How to check on device if in sync with host?
• Rosserial arduino: How to check on device if in sync with host?

● Enthusiast   × 1

● Rapid Responder   × 1

• launching remote machine

● Taxonomist   × 1

● Famous Question   × 76

• Rosserial arduino: How to check on device if in sync with host?
• Rosserial arduino: How to check on device if in sync with host?
• nodelets what to take care of?
• nodelets what to take care of?
• megatree for hydro / src, wiki outdated
• megatree for hydro / src, wiki outdated
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Can constants in messages be changed without troubles with respect to "old" data?
• Warning on advertise of std_mgs/Empty
• Warning on advertise of std_mgs/Empty
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Bug or intended behaviour: TransformListener::waitForTransform does not poll ros::ok()
• Invalid package manifest of qt-ros when invoking catkin_make
• Invalid package manifest of qt-ros when invoking catkin_make
• rosserial arduino use PROGMEM in ros_lib
• rosserial arduino use PROGMEM in ros_lib
• Breakpoint in ROS_ASSERT
• Breakpoint in ROS_ASSERT
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• Workspace layout question: ros-agnostic parts in or out of the ros packages?
• Appropriate warning/error level for gcc with ROS
• Appropriate warning/error level for gcc with ROS
• catkin export cmake definitions/variables to depending packages
• catkin export cmake definitions/variables to depending packages
• Binary data representation in messages
• Binary data representation in messages
• sync rosserial arduino
• sync rosserial arduino
• catkin package CATKIN_DEPENDS question
• catkin package CATKIN_DEPENDS question
• qt moc header in different packages
• qt moc header in different packages
• custom rqt gui
• custom rqt gui
• Is'nt ROS_INFO_STREAM_THROTTLE signature a little misleading
• Is'nt ROS_INFO_STREAM_THROTTLE signature a little misleading
• remapping in rqt_plugins
• remapping in rqt_plugins
• bag migration, fill new field with incrementing counter
• bag migration, fill new field with incrementing counter
• How "expensive" is getNumSubscribers() of Publisher
• How "expensive" is getNumSubscribers() of Publisher
• Use rqt plugins as widgets in a "bigger" GUI
• Use rqt plugins as widgets in a "bigger" GUI
• roslaunch forwarding args to included launch file
• roslaunch forwarding args to included launch file
• weird logs when using tab completion on rosrun
• weird logs when using tab completion on rosrun
• roscpp: requesting current queue state of subscriber
• roscpp: requesting current queue state of subscriber
• message size limit
• message size limit
• robot web tools -> set fixed frame for camera
• robot web tools -> set fixed frame for camera
• Which xml_rpc call performs rostopic list?
• Which xml_rpc call performs rostopic list?
• what makes rosbag to start playing fast?
• what makes rosbag to start playing fast?
• retrieve ros param in launch file
• retrieve ros param in launch file
• Emulate missing messages from rosbag; publish only every 2nd/4th/8th message
• Emulate missing messages from rosbag; publish only every 2nd/4th/8th message
• Aproximate Time jitter for rosserial ardunio
• Aproximate Time jitter for rosserial ardunio
• Respawn entire launch file
• Respawn entire launch file
• ROS plugins vs. static linking
• ROS plugins vs. static linking
• share params between nodes ROS2
• share params between nodes ROS2
• LookupTwist equivalent in tf2_ros
• LookupTwist equivalent in tf2_ros

● Great Answer   × 36

• undefined symbol
• undefined symbol
• error during catkin_make
• error during catkin_make
• Could not find a configuration file for package opencv
• Could not find a configuration file for package opencv
• ROS_WARN not able to print std::string
• ROS_WARN not able to print std::string
• Is there a general way to convert ROS messages into JSON format?
• Is there a general way to convert ROS messages into JSON format?
• Unable to #include pcl files in header
• Unable to #include pcl files in header
• Why ROS messages do not inherit from a base class??
• Why ROS messages do not inherit from a base class??
• c++ : one file class-in-node to three files class, node, and header
• c++ : one file class-in-node to three files class, node, and header
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• start and kill rosbag record from bash shell script
• start and kill rosbag record from bash shell script
• How to specify my own OpenCV3 for cv_bridge
• How to specify my own OpenCV3 for cv_bridge
• Problem of running "rosrun turtlesim turtlesim_node"
• Problem of running "rosrun turtlesim turtlesim_node"
• How to run image_proc with roslaunch
• How to run image_proc with roslaunch
• Directory of executables of ROS nodes compiled with Catkin
• Directory of executables of ROS nodes compiled with Catkin
• Get Const::PTR from message
• Get Const::PTR from message
• Getting list of published topics from within C++ code
• Getting list of published topics from within C++ code
• How to run sudo rosrun
• How to run sudo rosrun
• Display ros image on webpage using roslibjs
• Display ros image on webpage using roslibjs

● Guru   × 17

• undefined symbol
• error during catkin_make
• Could not find a configuration file for package opencv
• ROS_WARN not able to print std::string
• Unable to #include pcl files in header
• Is there a general way to convert ROS messages into JSON format?
• c++ : one file class-in-node to three files class, node, and header
• Tutorial 1.16 "ImportError: No module named beginner_tutorials.srv" with Catkin system build
• start and kill rosbag record from bash shell script
• How to specify my own OpenCV3 for cv_bridge
• Problem of running "rosrun turtlesim turtlesim_node"
• How to run image_proc with roslaunch
• Directory of executables of ROS nodes compiled with Catkin
• Get Const::PTR from message
• Getting list of published topics from within C++ code
• How to run sudo rosrun
• Display ros image on webpage using roslibjs

● Civic Duty   × 2

• input to point_cloud_xyzrgb nodelet
• input to point_cloud_xyzrgb nodelet

● Organizer   × 2

• what are the prerequisites to learn ros and make the application on ros
• what are the prerequisites to learn ros and make the application on ros

● Editor   × 2

• Is it possible to use Fuerte packages in Hydro?
• Is it possible to use Fuerte packages in Hydro?

● Critic   × 2

• mkdir: cannot create directory `build': Permission denied
• mkdir: cannot create directory `build': Permission denied