Can 3D Lidar localize when placed vertically ?
Currently the Velodyne puck being used on our UAV can localize in an obstacle course room when it is mounted with the base parallel to the ground. But there are more obstacles above and below the...
View ArticleI am using amr-ros-config to communicate with a p3dx drive and I am able to...
I am trying to move my p3dx drive using amr-ros-config, but it doesnt reflect in the rviz file provided by amr-ros-config.
View ArticleSubscribing to a topic whenever it publishes without affecting the execution...
Hello, I'm writing a project with C++ in ROS indigo installed in Ubuntu. In my project, I do some processes in one node and publish the result data and in an other node, want to subscribe to this data...
View ArticleMoveIt and Schunk PowerCube
Hello I am trying to move a physical Schunk LWA3 DOF 7, Schunks PowerCube drivers, and Moveit! I started with the moveit_setup_assistant to build the package with no errors Currently I use this 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 ArticleHow to define a static_transform_publisher between two frames with a same...
Hi everybody, I'm using ROS Indigo on Ubuntu 14.04 LTS with the package loam_velodyne and trying to run a static_transform_publisher between two frames (frame_velodyne and frame_imu) with the same...
View ArticleRead parameter in launch file
Hi, I am new to ros and I am two launch files. The first launch file launches a script in cpp which sets a global parameter. The second launch file (optional run) needs to read this parameter in its...
View Articletrying to use cairo gtk and ros at the same time
I am having problems compiling this code, can someone give me a hint on how to solve it. thanks in advance. Rodrigo #include "ros/ros.h" #include "std_msgs/Int16.h" #include "std_msgs/Float64.h"...
View ArticleHow can I execute a moveit_msgs::RobotTrajectory that I have on file?
I am trying to execute a RobotTrajectory on a MoveGroup that I have predefined. I have tried stuff like group.execute(myRobotTrajectory) and...
View ArticleIssues with Spin() and AsyncSpinner: multithreaded application
Hello the following code gives me this error: `SingleThreadedSpinner: You've attempted to call spin from multiple threads. Use a MultiThreadedSpinner instead.` And this warning: `AsyncSpinnerImpl:...
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...
View Articlechanges for imu_pipeline to work with tf instead of tf2
Hi everybody, I'm using ROS Indigo with Ubuntu 14.04 LTS and trying to implement imu_pipeline to transform IMU messages from one frame to the other frame of my bag file. It doesn't work because my bag...
View Articleobtaining IMU linear acceleration without activating a GPS
Hi everyone, I'm using ROS Indigo on Ubuntu 14.04 LTS and advanced_navigation_driver. I used the command rostopic echo /an_device/Imu to see the sensor_msgs/Imu messages published by my IMU device and...
View ArticleAMCL: Lookup would require extrapolation into the future. Requested time...
Hi, I am working with a real *kuka* *youbot* robot. When I run AMCL I get constantly the following warning and error: [WARN] [1531475915.405190988]: Failed to compute odom pose, skipping scan (Lookup...
View ArticleFinding pose in base coordinate when given input point on camera image
Hello, I'm a beginner to ROS, and I'm using ROS Indigo in Ubuntu 14.04. With mobile manipulator, I'm going to implement a teleoperation system which user can operate from a distance. Especially in...
View ArticleContinuous Jerks during Cartesian Planning
Hi I am using ROS Indigo on Ubuntu 14.04. I am trying to move a 7 axis manipulator arm in Cartesian path in only "-X" direction, in small steps keeping the step size constant (0.0001 m). However I am...
View ArticleHow do you add new frames to the tf tree of a Jackal robot?
I have a Jackal robot that is running ubuntu 14.04 with ROS indigo installed. I have attached a Hokuyo UTM 30lx laser to the jackal robot so I am trying to modify the jackal.urdf.xacro file to include...
View Articlehrpsys update to make clear command for nextage work
I am working with the KaWaDa Nextage Open (the real robot, not in simulation). I would like to start a movement by `robot.setTargetPosition(...)` and if some condition is fullfilled while the robot is...
View ArticleHow can I update/remove cmake without partially deleting my ROS distribution?
## Problem (TL;DR) ## I need to update my cmake from version 2.8.12.2 to version 3.1 or higher. However this requires removing the previous version with the command: `sudo apt remove cmake`. This...
View ArticleFailed to create local planner.
Hi, I have created my own customized local planner. When I compile it, there were no errors. But when I try to run my robot using the local planner, it showed the following error ![image...
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