ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | Q&A answers.ros.org
Ask Your Question
0

RQT graph line colour

asked 2014-12-13 18:08:24 -0600

ghost gravatar image

Hi there. Im running the rqt graph code.as you know there is lot of line, and when you move the mouse at the line, there will be colour on the line like red, green, orange,blue and others. So what are the meaning for each colour on the rqt graph? regards.

edit retag flag offensive close merge delete

2 Answers

Sort by ยป oldest newest most voted
0

answered 2014-12-14 03:08:29 -0600

ahendrix gravatar image

Each line represents a single field (from a topic) which is plotted over time.

The color of the line indicates which value it represents; the legend on the graph tells you which field in the topic is represented by each color.

If you're still having trouble, maybe you can edit you question to include a screenshot, and I can explain by example.

edit flag offensive delete link more
0

answered 2022-05-22 22:03:49 -0600

qilin_gundamenjoyer gravatar image

In ROS the color represents either a publisher, topic, or a subscriber. Blue represents a Publisher, Red represents a Topic, and Green represents a Subscriber. Publisher and Subscriber are nodes that are depicted as oval with text wrapped within it. Topics are represented as lines/edges that are stream of messages that connects a publisher and a subscriber, which allows communication, receive inputs and outputs.

edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Question Tools

1 follower

Stats

Asked: 2014-12-13 18:08:24 -0600

Seen: 686 times

Last updated: Dec 14 '14