SUBHASH's profile - activity

No, I am trying to convert .mat file to rosbag file using python code

any provision in python to read .mat data and store it in rosbag file format? Hiii, I am trying to store signal data fr

any provision in python to read .mat data and store it in rosbag file format? Hiii, I am trying to store signal data fr

I want to execute some python programs. How to execute on linux with ros? Please help me.

yes properly as per mentioned on the official site

Solution of this question link: https://answers.ros.org/question/317557/is-it-possible-to-convert-avi-file-into-rosbag-

please help me with python coding in ros

I also tried using import rosbag but still same error. Also I don't know how to run python programs on ROS

$ dpkg -l | grep rosbag ii ros-kinetic-rosbag 1.12.14-0xenial-20180824-103606-0800

I am not able to run a python code. Please help me with the steps and dependencies regarding python programming with ROS

I am not understanding it. Please tell me what exact problem is

AttributeError: 'module' object has no attribute 'Bag' Program: import time, sys, os from ros import rosbag import rosl

I am not understanding how to run a video using ros_kinetic_kame. Please share me a video or complete process with all required packages that how to convert a .avi file into rosbag format.

Edit: This is my error I found :

$  roslaunch video_stream_opencv camera.launch video_stream_provider:="/home/test/Desktop/Prj/output.avi"
... logging to /home/test/.ros/log/98df6008-40c1-11e9-9e42-c81f6622f107/roslaunch-DH1CT5Z1-14580.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://DH1CT5Z1:34887/

SUMMARY
========

PARAMETERS
 * /camera/camera_stream/buffer_queue_size: 100
 * /camera/camera_stream/camera_info_url: 
 * /camera/camera_stream/camera_name: camera
 * /camera/camera_stream/flip_horizontal: False
 * /camera/camera_stream/flip_vertical: False
 * /camera/camera_stream/fps: 30.0
 * /camera/camera_stream/frame_id: camera
 * /camera/camera_stream/height: 0
 * /camera/camera_stream/loop_videofile: False
 * /camera/camera_stream/set_camera_fps: 30.0
 * /camera/camera_stream/video_stream_provider: /home/test/Deskto...
 * /camera/camera_stream/width: 0
 * /rosdistro: kinetic
 * /rosversion: 1.12.14

NODES
  /camera/
    camera_stream (video_stream_opencv/video_stream)

ROS_MASTER_URI=http://localhost:11311

process[camera/camera_stream-1]: started with pid [14597]
[ INFO] [1551955599.176597852]: Resource video_stream_provider: /home/test/Desktop/Prj/output.avi
[ INFO] [1551955599.176662227]: Getting video from provider: /home/test/Desktop/Prj/output.avi
[ INFO] [1551955599.179496159]: Video stream provider type detected: videofile
[ INFO] [1551955599.180594786]: Camera name: camera
[ INFO] [1551955599.181613177]: Setting camera FPS to: 30
[ INFO] [1551955599.181655102]: Camera reports FPS: 20
[ INFO] [1551955599.182527461]: Setting buffer size for capturing frames to: 100
[ INFO] [1551955599.183486775]: Throttling to fps: 30
[ INFO] [1551955599.184338937]: Publishing with frame_id: camera
[ INFO] [1551955599.185229180]: Provided camera_info_url: ''
[ INFO] [1551955599.186110557]: Flip horizontal image is: false
[ INFO] [1551955599.187001087]: Flip vertical image is: false
[ INFO] [1551955599.191553137]: using default calibration URL
[ INFO] [1551955599.191696665]: camera calibration URL: file:///home/test/.ros/camera_info/camera.yaml
[ INFO] [1551955599.191759949]: Unable to open camera calibration file [/home/test/.ros/camera_info/camera.yaml]
[ WARN] [1551955599.191787319]: Camera calibration file /home/test/.ros/camera_info/camera.yaml not found.
[ INFO] [1551955599.191810010]: Opened the stream, starting to publish.
[camera/camera_stream-1] process has finished cleanly
log file: /home/test/.ros/log/98df6008-40c1-11e9-9e42-c81f6622f107/camera-camera_stream-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done

But .bag file also created. Now how to see whether recorded video is the same or not?

I got this error while recording on tab of $ roslaunch video_stream_opencv camera.launch video_stream_provider:="/home/t

$ rosrun image_view image_view image:=/camera/image_raw This worked I can see my video but now how to convert it into .b

This error I got

This is my error I found as comment box not allowing me to write complete error: $ roslaunch video_stream_opencv camera

This worked properly: rosrun video_stream_opencv test_video_resource.py path_to_your_video/your_video.avi Now I want to

I got this error: $ roslaunch video_stream_opencv camera.launch video_stream_provider:="/hometest/Desktop/Prj/output.avi

$ roslaunch video_stream_opencv camera.launch video_stream_provider:="path_to_your_video/your_video.avi" To launch this

Please tell me the process to execute this code with ROS. Does it need video_stream_opencv?

After executing $ rosrun video_stream_opencv test_video_resource.py home/Desktop/Prj/output.avi Error: Trying to open r