Subscribes to a ROS2 Image topic and stores received messages to PNG files.
How to launch:
ros2 launch ros2_bag_to_image topic_to_image.xml \
input/topic:=/camera/image_rect compressed:=True
The images are exported in lossless PNG format.
Set compressed to True to subscribe to a compressed image_transport.
| Parameter | Default | Description |
|---|---|---|
input/topic |
/image_raw |
ROS2 Topic to subscribe |
output/path |
/tmp/ |
Path where to store the PNG files. |
output/prefix |
Text to prepend to the output file |
Opens, reads, extracts and saves sensor_msgs/msg/Image or sensor_msgs/msg/CompressedImages from Ros2 bag.
Stores all the topics in the defined output path, names the images as:
topic_name_stampsecs_stampnsecs.png
The images are exported in lossless PNG format.
How to launch:
$ ros2 launch ros2_bag_to_image bag_to_image.xml \
input/path:=/PATH_TO/input_bag/ \
input/topics:="['camera1/image_rawcompressed', 'camera2/image_raw']"| Parameter | Default | Description |
|---|---|---|
input/path |
Input Rosbag Path | |
input/bag_format |
cdr |
Path where to store the PNG files. |
input/bag_storage_id |
sqlite3 |
Text to prepend to the output file |
input/topics |
List of Input Topics in the form "['topic1', 'topic2', 'topicN']" |
|
output/path |
/tmp/ |
Output path PNG files |