This node publishes all the images contained in an specified folder, in the specified topic. The images will be published in BGR8 format.
- Clone this repo
git clone https://github.com/amc-nu/RosImageFolderPublisher - Change to repo dir
cd RosImageFolderPublisher - Execute
catkin_make - 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.
Once in a sourced terminal, execute:
rosrun image_folder_publisher image_folder_publisher.py
or
roslaunch image_folder_publisher publisher.launch
| 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 |
rosrun image_folder_publisher image_folder_publisher.py _image_folder:=/PATH/Images _topic_name:=/image_topic
or modify these in publisher.launch
- Invalid files will be skipped. The supported image formats will correspond to the ones supported by CvBridge and OpenCV.
- Publish Rate will depend on the speed of the Hard disk.