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2018-12-06 04:21:52 -0500	received badge	● Popular Question (source)
2018-12-06 03:41:34 -0500	commented answer	How to get param value in to arg in roslaunch? where i can put this python scrip? There is other way besides the ways in the link?
2018-12-06 03:41:33 -0500	marked best answer	How to get param value in to arg in roslaunch? I am using ros kinetic I have ros parameter name "tal" I want to get this param value into argument tag. `<arg name="tal_arg" value=??? />` I am using ros kinetic, this post suggest to use eval, but I don't know how to do it. Can you help?
2018-12-06 03:39:17 -0500	commented question	How to get param value in to arg in roslaunch? I want to put the value of rosparm tal like $(param tal) into argument tal_arg.
2018-12-06 03:13:54 -0500	edited question	How to get param value in to arg in roslaunch? How to get param value in to arg in roslaunch? I am using ros kinetic I have ros parameter name "tal" I want to get th
2018-12-06 03:13:25 -0500	asked a question	How to get param value in to arg in roslaunch? How to get param value in to arg in roslaunch? I have ros parameter name "tal" I want to get this param value into argu
2018-11-30 13:23:00 -0500	received badge	● Popular Question (source)
2018-11-26 09:09:42 -0500	commented question	get file location in launch file in ROS Kinetic How I can do it not officially? work around? any other creative way?
2018-11-26 08:04:29 -0500	asked a question	get file location in launch file in ROS Kinetic get file location in launch file in ROS Kinetic I want to set a ros paramter with the full dir or full file path of the
2018-11-08 01:57:07 -0500	commented answer	"The library is neither a target nor built/installed properly" I had the same problem, and this is the actually the correct answer. The order dose matter.
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2016-11-24 03:26:02 -0500	answered a question	generating boxes from octomap::octree error You need to convert your octomap::OcTree to fcl::OcTree (is the same class name that why you have the confusion). by convert your octomap::OcTree to std::shared_pointer<const octomap::octree="">. After you have fcl::OcTree instance. you can do toBoxes. You can look at official FCL documentation.
2016-06-09 18:42:13 -0500	commented answer	compile android_sensors_driver Just download the app from here: https://play.google.com/store/apps/de...
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2016-05-08 15:46:29 -0500	marked best answer	compile android_sensors_driver I want to compile android_sensors_driver. i am using this guide: https://github.com/chadrockey/android... i have ubuntu 14.0.4. ros indigo installed. rosjava installed android_core installed. i am adding android_sensors_driver at android_core folder: git clone https://github.com/chadrockey/android... edit the settings.gradle in android_core and add this line at the end of the file: include "android_sensors_driver" then: cd android_sensors_driver ../gradlew clean debug then i get error msg: http://en.textsave.org/UCtb the build.gradle file: http://en.textsave.org/YCtb can you help me compile? thanks, Tal. I am master student, working on ros and rosjava project. I was using android_sensors_driver from android store, and it was great. I want to modified android_sensors_driver, and re-compile it. I compiled all the other libraries: rosjava, and android core, with catkin_make (catkin build system). I change build.gradle at android_sensor_driver, and now it find all the dependencies: http://en.textsave.org/bEtb but still, it not fully compile. and if you can look the errors that i get after modified the build.gradle: http://en.textsave.org/aEtb can you help me please? I feel i am so close, but need the final touch. Thanks for your time, Tal Regev.
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2015-06-14 14:58:20 -0500	answered a question	tum_simulator installation issue in ROS Indigo please try tum_simulator for indigo https://github.com/dougvk/tum_simulator
2015-06-12 06:11:29 -0500	asked a question	Add 2 ardrone to gazebo I want to add 2 or more ardrone model to gazebo to work simulations. I have ros indigo, and i am using this simulation for ardrone. I am using this simulation: tum_simulator indigo. I have this lanchfile: file robots.launch <launch> <arg name="world_name" default="cafe.world"/> <!-- start gazebo --> <include file="$(find gazebo_ros)/launch/empty_world.launch"> <arg name="use_sim_time" value="true"/> <arg name="debug" value="false"/> <arg name="world_name" value="$(find gtsam_infrastructure)/gazebo_worlds/$(arg world_name)"/> </include> <!-- start robot state publisher --> <node pkg="robot_state_publisher" type="state_publisher" name="robot_state_publisher" output="screen" > <param name="publish_frequency" type="double" value="50.0" /> <param name="tf_prefix" type="string" value="" /> </node> <group ns="quad1"> <!-- Spawn simulated quadrotor uav --> <include file="$(find gtsam_infrastructure)/launch/spawn_quadrotor.launch" > <arg name="model" value="$(find cvg_sim_gazebo)/urdf/quadrotor_sensors.urdf.xacro"/> </include> </group> </launch> file spawn_quadrotor.launch <?xml version="1.0"?> <launch> <arg name="model" default="$(find cvg_sim_gazebo)/urdf/quadrotor.urdf.xacro"/> <arg name="x" default="0"/> <arg name="y" default="0"/> <arg name="z" default="0.5"/> <arg name="R" default="0"/> <arg name="P" default="0"/> <arg name="Y" default="0"/> <!-- send the robot XML to param server --> <param name="robot_description2" command="$(find xacro)/xacro.py '$(arg model)'" /> <!-- push robot_description to factory and spawn robot in gazebo --> <node name="spawn_robot" pkg="gazebo_ros" type="spawn_model" args="-param robot_description2 -urdf -x '$(arg x)' -y '$(arg y)' -z '$(arg z)' -R '$(arg R)' -P '$(arg P)' -Y '$(arg Y)' -model quadrotor" respawn="false" output="screen"/> <node name="ground_truth_to_tf" pkg="message_to_tf" type="message_to_tf" output="screen"> <param name="odometry_topic" value="ground_truth/state" /> <param name="frame_id" value="nav" /> </node> <!-- node name="hector_pose_estimation" pkg="hector_pose_estimation" type="hector_pose_estimation_node" output="screen"/--> </launch> when i start this simulation, i have this topics: /quad1/altimeter /quad1/ardrone/bottom/parameter_descriptions /quad1/ardrone/bottom/parameter_updates /quad1/ardrone/front/parameter_descriptions /quad1/ardrone/front/parameter_updates /quad1/ardrone/imu /quad1/cmd_vel /quad1/fix /quad1/fix_velocity /quad1/ground_truth/state /quad1/magnetic /quad1/pressure_height /quad1/sonar_height /ardrone/bottom/camera_info /ardrone/bottom/image_raw /ardrone/bottom/image_raw/compressed /ardrone/bottom/image_raw/compressed/parameter_descriptions /ardrone/bottom/image_raw/compressed/parameter_updates /ardrone/bottom/image_raw/compressedDepth /ardrone/bottom/image_raw/compressedDepth/parameter_descriptions /ardrone/bottom/image_raw/compressedDepth/parameter_updates /ardrone/bottom/image_raw/theora /ardrone/bottom/image_raw/theora/parameter_descriptions /ardrone/bottom/image_raw/theora/parameter_updates /ardrone/camera_info /ardrone/front/camera_info /ardrone/front/image_raw /ardrone/front/image_raw/compressed /ardrone/front/image_raw/compressed/parameter_descriptions /ardrone/front/image_raw/compressed/parameter_updates /ardrone/front/image_raw/compressedDepth /ardrone/front/image_raw/compressedDepth/parameter_descriptions /ardrone/front/image_raw/compressedDepth/parameter_updates /ardrone/front/image_raw/theora /ardrone/front/image_raw/theora/parameter_descriptions /ardrone/front/image_raw/theora/parameter_updates /ardrone/image_raw /ardrone/image_raw/compressed /ardrone/image_raw/compressed/parameter_descriptions /ardrone/image_raw/compressed/parameter_updates /ardrone/image_raw/compressedDepth /ardrone/image_raw/compressedDepth/parameter_descriptions /ardrone/image_raw/compressedDepth/parameter_updates /ardrone/image_raw/theora /ardrone/image_raw/theora/parameter_descriptions /ardrone/image_raw/theora/parameter_updates /ardrone/imu /ardrone/land /ardrone/navdata /ardrone/reset /ardrone/takeoff and I want to be able to remap all the all the topic that start with `/ardrone` to `/quad1/ardrone` Already try: add `<group ns="quad1"> </group>` to spawn_quadrotor.launch add `<remap from="ardrone/takeoff" to="/quad1/ardrone/takeoff"/>` to ... (more)
2015-03-25 07:17:30 -0500	received badge	● Famous Question (source)
2015-03-21 04:54:59 -0500	answered a question	Create anonymous node in rosjava Daniel answer: https://github.com/rosjava/rosjava_co...
2015-03-13 17:21:21 -0500	asked a question	Create anonymous node in rosjava Here a link to simple ros node: listener there is a way to create anonymous node: `# In ROS, nodes are uniquely named. If two nodes with the same # node are launched, the previous one is kicked off. The # anonymous=True flag means that rospy will choose a unique # name for our 'listener' node so that multiple listeners can # run simultaneously. rospy.init_node('listener', anonymous=True)` How i can do the same functionality in rosjava? Thanks, Tal.
2015-01-12 19:47:17 -0500	received badge	● Famous Question (source)
2015-01-12 18:01:51 -0500	answered a question	rosandroid master chooser hostname resolving problem I think it not handle to resolve host name. I have the same issue, but!! it open source, you can compile it, and add the feature yourself!! :)
2014-12-01 09:09:57 -0500	received badge	● Notable Question (source)
2014-11-18 19:32:05 -0500	edited answer	compile rosjava just delete all the rosjava folder and just do it again from begin, and it work. maybe the git was updated? maybe i install more sdk? then it work? I am not really sure. but now it working. It happen me again when i just delete some file from devel folder. Make sure you close all app in the computer. this compilation is hard job, and if it stop at the middle, you probable get this errors messages. then just delete build and devel folder in ~/rosjava folder, then catkin_make. good luck!
2014-11-16 05:45:56 -0500	answered a question	compile android_sensors_driver I talk with Chad Rockey, he say that the android sensors driver was outdated. So I modified the project, and now it compile!! The project now on my github project: https://github.com/talregev/android_s... also update on github of Chad.