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Questions tagged [ros-comm]

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does rostopic echo consider as a subscriber?

so i been browsing some packages (specially this one. https://github.com/ros-industrial/keyence_experimental). In this package, they say that 'no pulling from sensor if there is no subscriber' actual ...
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SROS Docker and Ubuntu install fails due to missing dependencies etc

Hello, i already stated this as a github issue Link, but got kindly redirected to ROS Answers with my issues. Hello, While trying to follow the official SROS Tutorials (http://wiki.ros.org/SROS/...
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How to pass complex arguments to rostopic (Python subprocess)?

I want to call ros_comm tools (mainly rostopic to publish messages right now) via Python ...
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Is it possible to receive messages on a topic which contain out-of-bound values in message fields?

As far as I know it is not possible to publish out-of-bound values for message fields with ROS nodes/nodelets. E.g. the only possible publish-able range for uint8 message field values is in the range ...
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Find dependents of ROS Message and Service statically

There used to be a command rosmsg users back in ROS Electric (!) or earlier that seems to return the list of ROS Messages that ...
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can a Robot with ROS_comm draw map using SLAM?

Hi everyone, I am new to ROS, i have used to for small projects but i still did not understand it very well. I have a Robot with raspberry pi on it( raspbian jessie ). i have installed ROS Kinetic ...
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Ros eats up RAM while recording rosbag remotely

I am running my ros application on a robot (arm) with limited RAM (1 GB). I configured my robot as the rosmaster. The rosbag recording was happening on my local linux machine whoser Ros master was the ...
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Indigo and Kinetic Compatibility

Hello, I'm (perhaps foolishly) integrating a Kinetic ROS install with a third-party package whose implementation is built on Indigo. In initial tests with clients built on Kinetic I've been able to ...
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cmake errors when compiling ros_comm from source

Hello, I am trying to build ros_comm from source, since I am on a platform which has boost 1.62 and the downloaded package for my arm64 architecture is seemingly ...
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How to edit/compile ROS source code

Good afternoon, I am trying to encrypt ros logs for a project, I currently have jade installed and running on an ubuntu OS. I believe the files I need to edit are in the ros_comm packages (rosconsole ...
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ROS-Indigo installation on Raspberry-Pi failes on "rosmake" package

Hello ROS community, I'm installing ROS on a Raspberry-Pi 2, I've followed this guide closely to install ROS on Jessie. On Section 3.3 - "Building the catkin workspace": Running the first ...
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ROS_comm Instal on Raspberry Pi 3 possibly stuck?

I am a new user, so my apologies ahead of time for the noob question. I am currently installing ROS Indigo (ROS_comm) on my Raspberry Pi which has Raspbian (Jessie). The last command I ran was: $ sudo ...
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installed ros_comm and now file is missing

I have been using JADE on Ubuntu 14.04 for a while. Yesterday I installed ROS_COMM from https://github.com/ros/ros_comm.git. After that all was fine. roscore and the luanch files working. Today got ...
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Port to connect to rostest rosmaster after Indigo

Connecting to rosmater with specific port number used to be possible. I see this pull request against Indigo that randomizes the ...
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define ROS_MASTER_URI with an ipv6 address

Hello! I would like to know if there's a way to define ROS_MASTER_URI with an ipv6 address to use ros on multiple machines. To be a bit more clear, I have two machines connected via ethernet, and ...
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SIGPIPE Conflict and Unmasking

I am trying to call roscpp within another program that uses SIGPIPE. ROS is blocking this (in https://github.com/ros/ros_comm/blob/ros_comm-1.8.15/clients/cpp/roscpp/src/libros/init.cpp#L432) and this ...
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ros_comm indigo trusty tahr

Hi, I installed ros on ubuntu 14.04 with sudo apt-get install ros-indigo* How can I install ros_comm from github.com/ros/ros_comm/tree/indigo-devel ? Thanks Originally posted by goupil35000 on ROS ...
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undefined symbol

Hi, I updated hydro this morning then I run "rosrun lms1xx LMS1xx_node .." I get error. error: /home/xx/catkin_ws/devel/lib/lms1xx/LMS1xx_node: symbol lookup error: /home/xx/catkin_ws/devel/...
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Missing log4cxx on latest ros_comm

With the latest release of ros_comm (1.9.52) and roscpp_core (0.3.17), the dependency on log4cxx has been removed. This breaks a couple of very old packages that relied on log4cxx being the underlying ...
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Compiling ROS development files from source

I followed the source-based install documentation for ROS Hydro to compile ros_comm. It seems as if the the .rosinstall file ...
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3 answers
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generate_messages fails with ros_comm

While installing with source, I've started seeing this error after synching ros_comm src to the latest commit (not sure if the error starts happening since this ...
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github access to ros_comm broken?

I am trying to chase down a problem running rostest on a dry stack under Groovy. But, when I go to https://github.com/ros/ros_comm, it says: ...
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Using rosbag c++ code API

Hello everyone, I am trying to use the rosbag C++ code API in my own node. For that I need to refer to the rosbag sources (rosbag::Bag etc.). By default only the binaries from rosbag were installed. ...
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ROS unable to function after fuerte update (due to python)

Since finding myself victim of the infamous multi-master roslaunch problem I updated my fuerte installation. Now nothing works anymore. ...
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Who is allowed to fix bugs in ros_comm (and other WG) stacks?

I noticed that help of rossrv erroneously refers to rosmsg. It should say: rossrv is a command-line tool for displaying information about ROS Service types. instead of: rosmsg is a command-line tool ...
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rosgraph unable to get node information in Fuerte

In Fuerte, rosgraph, rxgraph and roswtf do not work correctly for me. This error can be ...
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rosbag info C++ API

Is there any way to recover the number of messages of a given topic from a .bag file using the C++ API? I know the Python API does, which is used in ...
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cannot run ros commands

Hi! whenever i try to run ros commands such as roscore or rosmake, it keeps popping up >> File "/opt/ros/electric/ros/bin/roscore", line 34, in from ros import roslaunch File "/...
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rosmake ros_comm error

Trying rosmake ros_comm: ...
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missing rosdeps for gtest and paramiko running OS: Arch

hello, I installed a new ARCH system and made a rosinstall for the full desktop. At the end I got an error message because the rosmake for ros and ros_comm did not work. Manually I started the rosmake ...
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Is it possible to have memory mapped messages in ROS?

Sending huge messages like images over a pipe can slow things down a lot. Is there a way we can have memory mapped messages in ROS? Originally posted by Yogi on ROS Answers with karma: 411 on 2011-02-...
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