Quantcast
Channel: ROS Answers: Open Source Q&A Forum - RSS feed
Browsing all 475 articles
Browse latest View live
↧

How to create 2Dmap with p3dx with rosbag?

I recorded the data in rosbag file of /tf and /scan topics and when i run the gmapping and playback the recorded data from rosbag file nothing changes. And the error is 100% messages dropped.Do i have...

View Article


Convert legacy logs to ROS bag

Is there a way to convert legacy logs to ROS bags? I have a set of sensors logs that were recorded before my project started using ROS. I am now converting everything to use ROS, but I still want to...

View Article


Rosbagging MoveIt! Best practise

Hi Everybody Every once in a while I see some strange movements executed by our robots (mitsubishi, fanuc, ... - industrial 6-axis). Since execution has continued already it's of course difficult to...

View Article

record kinect data

hello i have question about record kinect data. when i record kinect data, i write command line rosbag record /odom /camera/rgb/image_rect_color camera/depth_registered/image_raw...

View Article

How to create .bag files from .clf files having laser and odometry data???

Is there any generalized code for converting any .clf file to .bag format??????I was trying the same code for 'aces.clf' file, but it was giving IO error.

View Article


How to choose a fixed location for created bag files ?

Hey guys, I am creating a rqt plugin at the moment in Python and I am working with bag files. In the rqt plugin I create new bag files with rosbag.Bag("file_name", "w") and close them later. Everything...

View Article

Has there been progress for URDF transform jitter in RVIZ?

From my [ros-users post](https://code.ros.org/lurker/message/20101217.042334.a4610002.gl.html): *So I have been following the really nice (R2D2) tutorials on URDF, thanks a lot for those! I've managed...

View Article

How do I convert csv format to rosbag?

Hello there, I am working on this project which expects me to run SLAM on ROS using any filter of my choice. I have decided to choose gmapping SLAM. I am provided with two datasets from Rawseeds.org,...

View Article


Hector Mapping working with bag file but not LIVE?

I am currently working on an autonomous robot that requires me to build a map and navigate it. I can get a map built using the tutorial.launch file within the hector_slam_launch package, but I can't...

View Article


Convert carmen log file to rosbag

Hi, I am new to ros and I am trying to convert a carmen log file to a bag file. I can parse the file but I don't know how to put the values of the carmen file in the bag. I think that I have to put...

View Article

How do you convert from a csv to a bag file in ROS?

I see a lot of things for going from bag to csv, but does anyone know how to go from csv to bag? I am running gmapping but data files in the csv format need to be bag files for gmapping to work.

View Article

Store Published Image into cv2.VideoCapture()-Like Object

Folks, How can I store published images into a video-like OpenCV object, without having to create a video file (e.g. .mp4) first? Does not have to be a VideoCapture() object, but just any object that...

View Article

rosbag Image Decompression With API

Folks, My rosbags all have compressed image topics ONLY. I want to grab the images from my rosbag and decompressed them through the rosbag API (or through code, in general). I believe that should be a...

View Article


rosbag play --clock

I record a data.bag using Hokuyo Laser. Then, i use the commad: rosparam set use_sim_time true; rosrun gmapping slam_gmapping scan:=scan After that, rosbag play --clock data.bag Using rosbag info , i...

View Article

Display CompressedDepth Image Python cv2

Folks, What is the correct way to subscribe to a CompressDepth (32FC1, plus, no regular depth image available) image and display (e.g., cv2.imshow) in Python? I can do this easily in roscpp, but I get...

View Article


reading large rosbag

Hello i have a rosbag of 300 mb which contains the pattern of an object for object recognition purpose. My problem is that when i read it, it takes too long time to read it. Is their any other methods...

View Article

How do I parse rostopics from a ros bag in C++?

I want to write a node that would parse a ros topic given as the input argument and display the message published by it. Can you please give me leads to point to existing examples that I could look into?

View Article


rosbag, unable to create a map

I have another problem that need your help, I built a data.bag using rosbag terminal 1: turn on rosaria terminal 2: using keyboard to drive a robot terminal 3: turn on hokuyo_scan terminal 4: turn on...

View Article

ROS bag synchronization problem with laser scan messages

I have a raw csv data sequence of laser scans and odometry data. Here are a few data samples: Laser scans: 25 1205853395.41 181 0.5429999828338623 0.5389999747276306 ... 26 1205853395.51 181...

View Article

How to pass topic names as input argument in the command line terminal?

Hello ! I have a problem that states "Read a rosbag, to parse a topic, that is passed as an input argument" How do I pass the input argument using "rosrun" in the command line terminal? My code...

View Article
Browsing all 475 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>