February 2020
Intermediate to advanced
432 pages
10h 50m
English
Content preview from Hands-On ROS for Robotics Programming
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Displaying image data using rqt_image_view
This plugin allows you to visualize image data that is published in a ROS topic. Kill the previous two terminals and launch the following new ones:
T1 $ roslaunch raspicam_node camerav2_410x308_30fps.launchT2 $ rqt_image_view
In the upper-left drop-down list, select the topic of the image that you want to visualize. It needs to be in compressed format as it is published by raspicam_node. The following screenshot shows the result:
In the event you have several topics with image data, the plugin allows you to interactively select what feed to watch and also change between them on demand.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.