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2020-03-17 11:35:37 -0500 | asked a question | How to publish audio and image stream from a video/webcam How to publish audio and image stream from a video/webcam Hi all, I'm familiar with gscam, usb_cam or video_stream_open |
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2018-10-09 09:27:08 -0500 | marked best answer | ros2 launch packages path I'm quite confused by how ROS2 manages packages and package locations. In ROS1, I would compile my nodes with a Now, ROS2/ By default, it looks for packages in And beyond that specific issue, what is the correct way of telling ROS2 where the packages are installed? Setting |
2018-10-09 09:27:04 -0500 | commented answer | ros2 launch packages path Thanks @jacobperron. In ROS1, the traditional, non-ROS-specific, cd build && cmake .. && make && |
2018-10-09 09:19:21 -0500 | commented answer | ros2 launch packages path But then the question surely is: why does ROS_PACKAGE_PATH find non-build packages? I've only ever pointed my ROS_PACKAG |
2018-10-09 09:17:38 -0500 | commented question | ros2 launch packages path @William in that particular case, the launch file was indeed in the current directory, but yes, in general you are right |
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2018-10-05 11:13:23 -0500 | asked a question | ros2 launch packages path ros2 launch packages path I'm quite confused by how ROS2 manages packages and package locations. In ROS1, I would compi |
2016-12-28 16:13:48 -0500 | answered a question | [Morse simulation]Module not found: No module named 'morse.middleware.ros_request_manager' Hello! Can you tell us:
...since quite a while, MORSE supports ROS 'out of the box', and does not require any particular ROS configuration steps. |
2015-12-16 05:59:10 -0500 | answered a question | How do you make xyz coordinate system appear in your marker? You probably want to publish your trajectories as paths and use the Path display type in RViz to visualize them: http://wiki.ros.org/rviz/DisplayTypes... |
2014-08-20 07:22:50 -0500 | commented question | Compiling ROS on Windows? Ubuntu not an option I'm curious to know what you need to test with the 'ROS Nao simulator': Gazebo support for Nao is extremely recent (a few weeks) and 100% experimental... |
2014-07-14 05:35:11 -0500 | commented answer | How to publish a C++ code to do: code -> ros -> morse simulator? I do not understand "publish a code to send those messages"... what kind of code? Btw, do not hesitate to post your question to morse-users@laas.fr as well. |
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2014-07-09 14:27:01 -0500 | answered a question | How to publish a C++ code to do: code -> ros -> morse simulator? MORSE supports many different middlewares, including ROS. As briefly explained here, when using the ROS middleware, each sensor and actuator writes/reads from a ros topic and, if the sensors/actuators has asynchronous services, they will also exposes ROS action servers. I recommend you to check the ROS + MORSE tutorial. If you do not need ROS and simply want to communicate with MORSE from various language, you may also want to check the simple socket interface (virtually every language should be able to write/read from a socket). |
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2014-05-27 05:57:01 -0500 | answered a question | Nao microphones and google API in ROS For a simpler library, you may want to check gspeet: it's a small python library that listen (continously or not) on the microphone (using ALSA. It should work on Nao), encode the speech using the Integration in a ROS node should be trivial, but the library itself is independant. |
2014-03-24 10:20:19 -0500 | answered a question | Which is the better option for NAO using ROS? Options 1.1 and 1.2 do not change much: where did you read about them? in any case, the easiest path is simply to install the pre-compiled ROS packages as explained here. The second option (ROS on Nao) is very different: you get an autonomous ROS system. The installation is however much more involving. |
2014-02-14 00:50:10 -0500 | commented answer | Using IKFast with ROS @TopSecret: if the setup (both move_it configuration and IKFast) works well for you, would you mind sharing it, so we can make it available to everyone on https://github.com/ros-nao ? |
2014-02-06 09:07:50 -0500 | commented answer | using nao with ros hydro If you want to work on the real robot, install [ROS on Nao](http://wiki.ros.org/nao/Installation/local) AND on your computer (to communicate with the robot). But if you have only limited experience with ROS and ROS deployment on robots, you should maybe first start with the simulator only. |
2014-02-06 00:11:38 -0500 | answered a question | using nao with ros hydro Be careful: So what you likely want to do (if you can not work directly on the real robot) is to install "Webots for Nao" (download it from this page -- requires an Aldebaran account) and then follow the installation instruction for ROS + Nao. |
2014-01-28 17:25:21 -0500 | marked best answer | State of the ECTO-based object recognition stack? Hello, I've been spending some time trying to figure out the puzzle, and I need some help: I'd love to try the ECTO-based framework for object recognition, but I've a hard time installing all the pieces. I've tried on 2 boxes (one is Ubuntu 10.04, the other one is Ubuntu 12.04), on both electric and fuerte. I understand these tools are new and everything is not stabilized yet. I summarize below my current experience. Hopefully it may help sorting out the documentation :-) (for each step, I've referenced the link to the corresponding documentation)
I went for: -> no package ros-electric-ecto (how ros-electric-object-recognition can work, then?), so I went for a manual installation of ecto. [here, the doc on [3] forget a few steps that are mentionned in README.rst, in the ecto_kitchen repo] It takes some time, but eventually everything compile. [3] mentions Here, I'm stuck. I do not know to install
No package for object recognition, but Then, I've installed the Which fails after cloning all repos with: For some reason, I've stopped here...
Ubuntu 12.04 ships with its own libopencv 2.3 which conflicts with the one from WG (because, amongst other issues, WG links against |
2014-01-28 17:25:13 -0500 | marked best answer | Import tf in python, in fuerte Hello there, Probably a dumb question, but I'm not sure how to import tf in Python with fuerte. I've installed fuerte with the Ubuntu packages. tf is available in the geometry stack, but it does not seem to install anything in /opt/ros/fuerte/lib/python2.6/dist-packages, so a simple "import tf" does not work (which is what is mention in the doc). Should I use the old 'manifest + roslib' way? |
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2013-12-23 01:17:26 -0500 | answered a question | Blender fails?!?!? Hello! Running 3D applications from a virtual machine is generally speaking a bad idea. Even if you get a correct display, performances are likely to be poor. Based on the error message ( Besides, you should update both Ubuntu and MORSE to their latest version (the 3D drivers have improved a lot over the last 2 years). Last point: we usually recommend MORSE users to use answer.ros.org to ask questions related to MORSE + ROS. For 'MORSE only' questions, it is usually preferable to drop a mail to |
2013-11-13 07:46:56 -0500 | commented question | nao_driver and joint_states with NaoQI 1.12 Akis, there is since a while official support for Nao in ROS. Check http://wiki.ros.org/nao/ and https://github.com/ahornung/nao_robot for the source code. |
2013-11-02 00:18:58 -0500 | commented answer | Error when installing ROS for Nao robot What are you trying to achieve? what steps have you followed? To install ROS *on* the robot, please follow these instructions: http://wiki.ros.org/nao/Installation/local |
2013-11-01 02:56:31 -0500 | commented answer | ERROR: the following packages/stacks could not have their rosdep keys resolved to system dependencies: The `nao_common` package does not exist anymore. It has been superseeded by `nao_extra`. Could you get the latest version, and if you encounter issue while installing it, give more details about what steps you have followed? |
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2013-10-03 00:43:55 -0500 | answered a question | ImportError: No module named 'rospkg' on hydro <SOLVED> If you follow the MORSE installation instruction for ROS, you'll see you indeed need to install |
2013-09-20 01:28:18 -0500 | commented answer | Installing ROS onto NAO V4 Sorry for the delay... can you be more specific? what would you like to do? You may also want to open new specific questions... |
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2013-08-07 06:02:20 -0500 | answered a question | Installing ROS onto NAO V4 Hello! We have just released a binary distribution of ROS groovy for Nao (not fuerte, sorry). Check it here if you wish: http://www.ros.org/wiki/nao/Installation/local |