Rqt_plot window in UNDERSTANDING KALMAN FILTERS course

Course Support Kalman Filters
1

Unable to open rqt_plot window in UNDERSTANDING KALMAN FILTERS course.

Unit 0: Introduction to the Course

  1. Execute the Kalman filter

Execute in WebShell #3
​rqt_plot
$ rqt_plot

2

Hi,

The command is:

rosrun rqt_plot rqt_plot
3

Hello, I have the same error.
I get the following message:

QXcbConnection: XCB error: 2 (BadValue), sequence: 440, resource id: 284, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 2 (BadValue), sequence: 441, resource id: 284, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 2 (BadValue), sequence: 443, resource id: 284, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 2 (BadValue), sequence: 444, resource id: 284, major code: 130 (Unknown), minor code: 3
Blockquote (#244)

4

Hi,

Yes, that error doesn’t mean necessarily that it’s not working. Does it appear in the Graphical Tools window?