All Questions
14 questions
1
vote
1
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32
views
TF2 Question about frame conversion
I modeled the following robot with an urdf file. Thanks to a robot state publisher, i have access to the static tfs between camera_link and base_link.
I'm using orb_slam3 library as SLAM algorithm. ...
0
votes
1
answer
73
views
Error when initializing tf2_ros::buffer in ROS2 Foxy
does anyone know why i cant initialize an instance of tf2_ros::buffer in ROS2 Foxy?
test_file.cpp :
...
0
votes
0
answers
40
views
2D LIDAR and Camera D435i Fusion
I have a question about data fusion. Can I use the tf2 tool to fuse LIDAR and camera data ?
0
votes
1
answer
91
views
ROS2, Create3, Node subscribes to topic /tf but cannot receive data
In ROS2 for the iRobot Create3.
I created a node and subscribed to the topics /tf and tf_static. It seems to work because I can compile it and subscribed to other topics without any problems. But /tf ...
0
votes
3
answers
225
views
tf-prefix problem in turtlebot3 (ROS2 Foxy)
I am trying to namespace the topic, nodes and tf frames of a turtlebot3 to use it for multirobot experiment.
So, i created a rsp.launch.py file to just publish the robot description at first using the ...
0
votes
1
answer
42
views
Duplicate tf messages with robot_state_publisher and coded tfs
From what I understand, robot_state_publisher reads the urdf and publishes the default frames to the ...
0
votes
0
answers
34
views
Transform vision msgs array from sensor coordinates to world coordinates
I want to transform a detectionarray3d msgs from sensor coordinates to world coordinates. I know the transform function of the tf2 library, which should fulfill this step.
...
0
votes
1
answer
89
views
TransformListener x10 higher CPU load in rclpy than rclpp
System info
Operating System:
Docker + Ubuntu 20.04, 10th gen i7
Docker + Ubuntu 20.04, jetson AGX Xavier
ROS2 Version:
Foxy binaries
Steps to reproduce issue
Make sure the system is publishing ...
0
votes
1
answer
25
views
Segmentation fault on tf2_ros
I am using slam_toolbox with arm64 architecture.
But I encount SIGSEGV.
How do I fix this error?
backtrace:
...
0
votes
1
answer
15
views
ROS2 Eloquent TF listener (tf_echo) values freeze/resume on a cycle unexpectedly
Ubuntu 18.04
ROS2 Eloquent
TF
C++
###My pipeline:
I have a robot which uses sensors to detect the rotation, extension of its joints. It has revolute, prismatic, and fixed joints in a URDF file. Yes, ...
0
votes
2
answers
208
views
[ROS2] tf2 broadcaster
Hello,
I'm currently working on a differential drive robot with ROS2 and encountering some errors with a rclcpp transform broadcaster. I hope i can get some answers as to what I am doing wrong. I'm ...
0
votes
1
answer
388
views
transform pose in tf2
Ubuntu 18.04
ROS2 Eloquent (installed by binaries)
I am trying to transform a PoseStamped in the target frame in python.
Below would how my code look like:
...
0
votes
2
answers
59
views
[ROS2]Are there any examples of tf2 broadcast or listener
Hello comrades, I`m just trying to get odometry from t265 from realsense2_lib examples. After compiling and running this code below, I get that target frame does not exist.
Thanks in advance.
...
0
votes
1
answer
4
views
Support for ROS2 Dashing along with python3
I have built the geometry library for my project using colcon for ROS2 Dashing and Python 3 and sourced it using ...