Issues with LZ4
As some of you know, I've been working on the [Gentoo install for ROS](http://wiki.ros.org/jade/Installation/Gentoo). I am very close! I have GMapping and RVIZ working, but there are a few issues left...
View ArticleRosbag Record Speed
Hey, I am trying to record a bag file on an odroid (ARMv7) Board that acquires 95 fps images from a camera but running rosbag record freezes the publishing topic. Also, whatever is recorded barely has...
View ArticleHow to save rViz joint position in bag file
Hi guys, I'm trying to calculate by hand the kinematics of a simple 3-DOF manipulator and I want to automate my kinematics testing by using rViz with a transform publisher. Here's a screenshot of my...
View ArticleHow to use rosbag play to paly multiple rosbags which are in a folder with a...
I have several rosbags in a folder, and I want to use rosbag play to play them one by one automatically. So what should I do with the name of folder or its path so I can make the use of '' rosbag...
View ArticleCatkin_make fails due to Bzip2 libraries on Raspberry Pi
Hi, I'm using Ros Indigo installed on a Raspberry Pi model B. When I run catkin_make I get an error during the compilation of RosBag-storage package. The BZIP2_LIBRARIES BZIP2_INCLUDE_DIR are missing....
View ArticleDoes rosbag write cause a memory leak?
I have the following code running on x86-64 Linux with ROS indigo: #include #include #include #include #include #define TWO_MiB (2*1024*1024) int main(int argc, char **argv) { std::string...
View ArticleHow to use tf_remap??
Hello, I have a rosbag in which a /tf topic is recorded. I need to remap all tf frames in that bag which refer to the frame named '/world' to refer to a new frame named '/vision'. I tried the...
View ArticleBug in rosbag with compressed files?
Hello all, I have recorded a fairly long rosbag file (~8.5Mb). However, when I try to play it I get: [FATAL] [1441050519.918179421]: size of the compressed data exceeds *destLen Here is rosbag info:...
View ArticleEmulate missing messages from rosbag; publish only every 2nd/4th/8th message
I would like to check would stable some of my processing nodes work if there is data lost somehow. I would like to do so by feeding them only with every 2nd/4th/8th message of each topic of a rosbag....
View ArticleError in rosbag play despite setting use_sim_time param
**(ROS Hydro on Ubuntu 12.04)** I am following the tutorial on [Recording and Playing Back Kinect Data](http://wiki.ros.org/openni_launch/Tutorials/BagRecordingPlayback). First, I recorded a rosbag...
View Article"rosbag record -a" in C++?
I want to implement a node which is able to start recording every topic. It should record everything like the command line `rosbag record -a`. is there a possibility to use that command or something...
View ArticleFilter and play a bag file
I'd like to play a bag file as part of a roslaunch and apply a filter to it at the same time. I couldn't find anything better than doing the filter step beforehand, which is awful if one needs a number...
View ArticleKill roscore and all nodes when rosbag play finishes?
Hello, I'm writing some automated test scripts. I'd like to run a launch script with a bag file, which works fine. But when the rosbag play completes I would like roslaunch to exit so my script can...
View Articlecollecting and organizing rosbag files
Recording rosbag files is great. After multiple recording sessions, I'm left with all these bag files that are really only telling me date/time by direct observation. I can do rosbag info to get more...
View ArticleRosbag on srvs?
Hi, Is it possible to record the requests and responses over a srv with rosbag? When I use rosbag record on the srv name, the bag files are empty. I can't find any documentation about using rosbag with...
View ArticleUse generic home directory reference from launch file
I am running a .bag file from a launch file but I want to make the filepath generic so other team members can run this launch file. So I have: But not everyone on my team is named jimbob so I want to...
View Articlerosbag to variable
HI, I have saved a rosbag with the goal topic of an action: ... messages: 1 compression: none [1/1 chunks] types: control_msgs/FollowJointTrajectoryActionGoal [cff5c1d533bf2f82dd0138d57f4304bb]...
View ArticleRead Rosbag into Variable
Hello everyone, I am trying to read from a rosbag within my c++ node, and store the value of a message in a variable: This is my rosbag info: path: moveToPreGraspPosition.bag version: 2.0 duration:...
View ArticleHow to store explored nodes in ROS?
Hi, I am using nav2d to explore a map. Is there any way I can store the order of explored nodes in a data structure? I was thinking we can whether I can use rosbag for this somehow. Please let me know...
View ArticlePlaying big files with rosbag
Hi everybody, I am running Ubuntu 12.10, with ROS Groovy. My computer has a i7 processor with 6GB of RAM. I am recording in rosbag data from two kinects (and two skeletons). Of course, I din't recorded...
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