signal 'draw' is invalid for instance ... of type 'GtkDrawingArea'
I don't understand the reason for this error. After I compiled my code and run it I got the message signal 'draw' is invalid for instance (...) of type 'GtkDrawingArea' I may have errors on my source...
View ArticleMessage-generation package not found
Hi all, Since a few days I have had the following error mesage: CMake Warning at /opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake:76 (find_package): Could not find a package configuration file...
View ArticleGmapping working on my jackal but localization is not working
I have a clearpath jackal robot which I am using the nav stack on. I have successfully configured the robot so that when I run: `roslaunch jackal_viz view_robot.launch config:=gmapping` I am able to...
View ArticleLaunching PowerCube on multiple CAN busses
Hello I am working with a Schunk LWA3 (DOF 7) in ROS with the Schunk PowerCube package. I have success launching the PowerCube and initializing the modules. The issue is that the arm has the modules...
View ArticleInstall OpenCV3 under Indigo on Ubuntu 14.04
Hello, I want to use a node for detecting markers that is depending on OpenCV3. Since ROS Indigo has only openCV2.4.8 preinstaleld the downloaded node fails on "catkin_make". I was searching for an...
View Articleremove single data points
Hi I have a pointcloud and i want to remove all single data point which have no specified number ofneighbours. I found the pcl filer nodelet and the RadiusOutlierRemoval which does this think. But I...
View Articlemoveit_commander import fails after Ubuntu update
I had been using the moveit_commander Python package without any issues. I installed the recommended updates on Ubuntu 14.04, which included libassimp3 and python pysassimp. A full list of updated...
View ArticleHow to get Jackal clearpath running outdoors?
I am using a clearpath jackal robot which I am running the nav stack on to do slam_gmapping and amcl localization. Currently I ssh into the jackal over wifi to run the nav stack on the robot, but I am...
View ArticleICP 3D scan matching algorithms
Hi guys, I am looking for latest scan matching algorithms based on ICP, implemented for 3D case in ROS. Can you give me some examples? Thanks!
View ArticleERROR: cannot launch node of type [controller_manager/spawner]: can't locate...
why? when i"roslaunch rrbot_control test1.launch"
View ArticleHow can I record a single message in a rosbag to reserve to reload for future...
I have a node that creates a motion plan of the type moveit_msgs::RobotTrajectory. I want to hold this motion plan for future use (i.e., load it later to "execute" it). However, I only want to save...
View ArticleRQT Custom Plugin: Could not load library: Undefined Symbol
Hello all. I've been using ROS Indigo for about a year now on various projects and finally am starting to experiment with creating custom plugins for RQT. I spent a few days introducing myself to Qt...
View ArticleAMCL localization get lost
Hi, I'm using AMCL as the localization sub-system in my project. But I found that the robot will get lost when the robot bumps into the obstacle ( the height of the obstacle is below the bumper). The...
View ArticleAccess to internal IO on UR driver
Hi everyone, Is it possible with the two ur packages to access to the internal IO ? You can access to the physical IO. Thomas
View ArticleUbuntu 14.04 Install ROS Indigo with Boost 1.64/1.67
I am on Ubuntu 14.04 and I would like to install ROS Indigo but with a small difference. On Ubuntu 14.04 the `libboost-dev` and `libboost-all-dev` are linked to `libboost1.54-dev` and...
View Articleplease help me with the navigation stack
hi, i'm trying to use the navigation stack but i think that i have trouble with amcl , i have a two wheel mobile robot like a big version of turtlebot with 0.5 m radius equiped with Hokuyo laser , and...
View Articleinstall ros nodelet
Hi I try to write my own ros nodelet but now i can not start it in my launchfile because it doesn't find the nodelet. When i source the deve/setup.bash file i can start it but now i want to start it...
View ArticleCan rviz visualize custom msgs?
I'm running ros indigo. I have a topic publishing a customized ros msgs which includes sensor data and the position information. For example, I have the temperature data regarding the position data,...
View Articlertabmap+3d map
hi all, i used rtabmap to created 3d map from environment. i used stereo camera for this. my question is that, in rtabmap, How is the 3D map created for stereo camera? it is feature based or area...
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