Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Difference between image_transport::Subscriber AND ros::Subscriber?

asked 2019-03-21 15:07:20 -0600

JeyP4
62 ●11 ●16 ●24

What is the Difference between image_transport::Subscriber AND ros::Subscriber?.

Which is more efficient?

edit retag flag offensive close merge delete

add a comment

1 Answer

Sort by » oldest newest most voted

answered 2019-03-22 06:21:27 -0600

VictorLamoine

1495 ●35 ●57 ●69

ros::Subscriber is a generic subscriber class that can subscribe to any topic.
image_transport::Subscriber is a specialized subscriber that can only subscribe to image topics, it is provided for ease of use with the image_transport package.

You use them for different purposes.