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2016-03-07 16:20:30 -0500 | answered a question | Extract DH Parameters From URDF File You could check out Jennifer Buehler's URDF to GraspIt package, which was designed to convert URDF files to DH parameters: https://github.com/JenniferBuehler/jb... She's currently working on releasing it as a debian package. |
2016-03-07 15:25:12 -0500 | commented question | Odroid XU4 ROS-Jade Can you be more specific than "it doesn't work"? e.g. what instructions did you put into the terminal and what error messages do you get? |
2016-03-07 15:24:16 -0500 | commented question | Module fails dependency check in python script Did you include genmsg in your package.xml as a build_depend? |
2016-03-07 15:22:48 -0500 | commented question | dependency check error this appears to be redundant with http://answers.ros.org/question/22845... ; can you close this one (or whichever one you think has the better name)? |
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2016-03-07 15:11:54 -0500 | answered a question | Confusion about AsyncSpinner I don't think that your subscriptions callbacks are guaranteed to overlap. How did you choose 25,000 lines, and have you timed the callback to see if it actually takes longer than 0.5 seconds? I would try rewriting your subscription callback as such: This way you know that the subscription callbacks are slower than your publish calls. You should then expect to see the subscription process print something like: etc... |
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2016-02-29 12:57:28 -0500 | answered a question | What does `Int32MultiArray.layout.data_offset` mean It's true, the documentation contradicts itself for most data types. If If Of course, before changing the documentation, it might be good to understand how downstream packages are using MultiArrayLayout and if they consider Can you ticket this issue on https://github.com/ros/std_msgs? Thanks. |
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2016-02-25 16:49:57 -0500 | answered a question | What is the best way for CMakeLists.txt to check if ROS is installed? The Alternatively, if you know ROS was installed from a debian package and not from source, you can check if the folder |
2016-02-25 15:00:31 -0500 | answered a question | ROS Live Community Meeting February Thanks for listening! We are preparing a post for a summary of the meeting, a link to the recording, and the notes (which will include links) to ROS Users and the ROS blog ( http://www.ros.org/news/ ). In the meantime, here is the link to the notes taken during the meeting: |
2016-02-24 11:09:55 -0500 | commented answer | How can I connect optitrack and ros together? Did you create a rigid body to publish and edited the mocap.yaml? Can you get a gdb backtrace of that segfault and post it as an issue on the Github repo for the package ( https://github.com/ros-drivers/mocap_... ), to help the maintainers? |
2016-02-23 14:56:55 -0500 | answered a question | How can I connect optitrack and ros together? Follow the directions to configure Motive on your Windows system via the GUI on the Wiki page: http://wiki.ros.org/mocap_optitrack |
2016-02-12 11:39:22 -0500 | answered a question | ROS with Chrono Engine The Chrono/Gazebo project that you linked is probably your best bet, combined with gazebo_ros_pkgs. Asher (author of that repo) is a grad student at the lab at University of Wisconsin Madison that founded Chrono. I haven't heard of other efforts that bridge Chrono and ROS without Gazebo. And yes, you might want to invest in a supercomputer if you are planning on doing navigation and motion planning while running Chrono with a real-time factor of 1 :) |
2016-01-29 15:31:58 -0500 | commented answer | Unable to run R2 Simulation In a catkin workspace, you need to source the devel/setup.bash in order to configure your PATH and your ROS environment to find the files that you built in the workspace. See page 14 of the book, or the catkin tutorials http://wiki.ros.org/catkin/Tutorials/... |
2016-01-28 18:12:33 -0500 | answered a question | Unable to run R2 Simulation Make sure you've cloned and the nasa_r2_simulator and nasa_r2_common (instructions are page 172 in the copy I have) into your catkin workspace (i.e. run the "git clone" commands in chessbot/src). You should also make sure that you've sourced the devel/setup.bash file before you try run the r2_mime.py script. r2_description is in the nasa_r2_common repository. Therefore you need to get the repository, build it into your catkin workspace, and source the setup.bash for that workspace before you can run code that uses it. If you have more problems, please describe the state of your workspace and the commands that you've typed in and report the issue on https://github.com/osrf/rosbook/issues |
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2016-01-25 18:35:04 -0500 | commented answer | I am having truble with geting the software version in Baxter make sure the robot is on and that baxter.sh is sourced in every terminal in which you put baxter-specific commands. If you have more problems you should really email the brr-users list: brr-users@rethinkrobotics.com |
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2016-01-25 15:48:36 -0500 | answered a question | I am having truble with geting the software version in Baxter Did you source your baxter.sh file before trying to get the rosparam? The baxter.sh file configures your shell to talk to the ROS Master running on the Baxter robot. If the software_version parameter was set in the Parameter Server running on the Baxter's ROS Master, then you won't be able to access if it if you aren't connected. You can also try emailing the brr-users list for Baxter-specific questions, or searching their Google Groups page: |
2016-01-22 16:57:11 -0500 | answered a question | Running rosserial_embeddedlinux on MIPS platform (big-endian) Can you reconfigure your device to be in little-endian mode? MIPS is a bi-endian instruction set, so you should theoretically be able to switch it to little-endian mode... From http://wiki.ros.org/rosserial_client
I don't have a MIPS device with me to test this, sorry. Good luck! |
2015-07-05 22:54:53 -0500 | answered a question | MoveIt! Installation I ran into the same problem installing The problem is that the version of libassimp3 that these packages depend on (via their dependency on To fix this manually, download then install it using |