Why do I need the static transform if my urdf is properly defined?
Hi, As the questions says, I do not understand why do we need the static_transform_publisher when the urdf model of the robot with all sensors is properly defined in the urdf file. Doesn't loading the...
View ArticleTransforming PointCloud2
I would like to know if somebody knows what is the substitute for the function of transformPointCloud() for PointCloud2 data type as in this...
View ArticleProblem Moving the Robot in Rviz
I have written a urdf file for my differential drive mobile robot an want to make it move on rviz. I'm doing the tutorials on the book "Learning ROS for Robotic Programming" and used the codes and...
View Articletf, translation between frames
Hi, I have a setup with multiple target frames. Now I want to get the position of my last frame in relation to the world frame. During execution typing **rosrun tf tf_echo /world /LAST_LINK** I receive...
View ArticleRun .launch file with arg from .launch file
I would like to use a master .launch file to run another .launch file, but with an arg. Specifically, I am attempting to create a .launch file which would be equivalent to running: roslaunch...
View ArticleHow to transform tf::Vector3 with tf::TransformationListener?
I am trying to convert a `tf::Vector3` with `tf::TransfomationListener::transformVector(string("/base_link"), sourceV, targetV)`. What I get is the following: *no known conversion for argument 2 from...
View ArticleHow to transform tf::Vector3 with tf::TransformListener::transformVector?
I am trying to convert a `tf::Vector3` with `tf::TransfomListener::transformVector(string("/base_link"), sourceV, targetV)`. What I get is the following: *no known conversion for argument 2 from 'const...
View ArticleIs it possible to use a normal publisher in place of a TransformBroadcaster?
I'm just wondering whether a TransformBroadcaster does anything special that a normal publisher can't. Thanks
View Articletf tree is invalide because it contains a loop
I am trying to display my laserscan on rviz but its status flickers between Status:Ok and Status:Error because of Transform. Transform [sender=/depthimage_to_laserscan] For frame [camera_depth_frame]:...
View Articletf cannot find boost thread library
I am trying to build ros hydro from source on ubuntu 12.04 it requires boost 1.46.1 but the version of boost installed on my machine is 1.48 so I downloaded boost 1.46.1 and installed it in a local...
View ArticleThe transform between /map and /base_link
While I try the gmapping with turtlebot2+rplidar laser range, there is a problem, then I try the commod below: $ rosrun tf tf_echo /map /base_link when I control the turtlebot2 move back, the X axis...
View ArticleProblem with leg_detector in People: Dropped 100:00% message so far
hi, all. I am trying to run [leg_detector](http://wiki.ros.org/leg_detector?distro=hydro) with indigo-devel branch which is a part of people in ROS wiki. I found that "odom_combined" was set to be "...
View ArticleRosbag play stuck, tf issues?
I have a very peculiar issue here. When playing the well known bagfile rgbd_dataset_freiburg1_xyz.bag and have rviz open, the clock gets stuck around 3.780429. If i play back with 10% speed, everything...
View ArticleProblem with tf tutorial
ERROR: the following packages/stacks could not have their rosdep keys resolved to system dependencies: rviz: Missing resource catkin ROS path [0]=/opt/ros/fuerte/share/ros ROS path...
View ArticleFusing 2 sonars / pingers as continous sensors or 'GPS'
Picking up where I left [ekf_localization-node-not-responding](http://answers.ros.org/question/197404/ekf_localization-node-not-responding/), I am trying to fuse position in x and y from 2 sonars...
View ArticleProblem setting up hector_slam (no map), please help
Hello, I have been trying to make hector slam work on my turtlebot with a hokuyo 04lx laser. I am using ROS fuerte, ubuntu 12.04. Steps I followed: 1) Did rosmake to hector_slam package with no errors....
View ArticleHow to update map to odom with corrections from SLAM ?
Our basic goal is to publish a map to odom transform that corrects for the drift of our odometry. We have a localization algorithm that uses landmarks to give an absolute position wrt the map frame....
View ArticleRViz keep saying "No transform from [front_left] to [base_link]"
I have a package named sp1s, I added a URDF, as simple as below: Here is the launch file I edited: When I launch it by "roslaunch sp1s display.launch model:=urdf/sp1s.urdf", the Rviz keep saying "No...
View ArticleTF_OLD_DATA ignoring data from the past for frame odom
Hello everyone I was using ROS hydro, however I updated Ubuntu and installed ROS indigo in my computer. I am writing to you because I am currently trying to make a robot which goes from an estimated...
View ArticleStampedTransform getting Position instead of Relative Position
HI, I am trying to log some data. The code works like intended except I am receiving the Relative Position instead of the Position. tf::StampedTransform transformOdom; current_time = ros::Time::now();...
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