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amc-nu / RosImageFolderPublisher

ROS node to publish the images contained in an specified folder.
BSD 3-Clause "New" or "Revised" License
13 stars 11 forks source link
cvbridge images publisher ros

readme

ROS Image Publisher

This node publishes all the images contained in an specified folder, in the specified topic. The images will be published in BGR8 format.

Setup

  1. Clone this repo git clone https://github.com/amc-nu/RosImageFolderPublisher
  2. Change to repo dir cd RosImageFolderPublisher
  3. Execute catkin_make
  4. Source the workspace source devel/setup.bash

If you want to integrate this into another catkin workspace, just copy the image_folder_publisher into the src target workspace.

How to Launch

Once in a sourced terminal, execute:
rosrun image_folder_publisher image_folder_publisher.py
or
roslaunch image_folder_publisher publisher.launch

Params

Param name Type Description Default Value
topic_name String Name of the topic to publish the image stream image_raw
publish_rate Integer Frame rate in Hz to publish the image. 10
sort_files Boolean Defines if the files will be sorted before publishing True
frame_id String Sets the frame_id contained in the Image message header camera
image_folder String Path to the folder containing the images to be published
sleep Int Sleep few seconds to make sure the images process nodes are started 0

Example

rosrun image_folder_publisher image_folder_publisher.py _image_folder:=/PATH/Images _topic_name:=/image_topic or modify these in publisher.launch

Notes