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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...

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Rosbag 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...

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How 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...

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How 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...

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Catkin_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....

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Does 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...

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How 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...

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Bug 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:...

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Emulate 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....

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Error 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...

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"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...

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Filter 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...

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Kill 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...

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collecting 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...

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Rosbag 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...

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Use 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...

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rosbag 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]...

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Read 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:...

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How 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...

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Playing 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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