Author Archives : David


Exporting ROS Bag Files to Matlab, v2.0

A while ago I wrote a post about bag2csv, which is a tool I wrote to import data from ROS bags to Matlab workspaces. This tool first converted the bag data to CSV files, and then read the CSV files into Matlab. We’ve discovered a lot of shortcomings to this approach since that post was written, and as […]


Science Olympiad Flight

The Science Olympiad National Tournament was held here, in Lincoln, Nebraska, last Saturday. We had the opportunity to help in the closing ceremonies by flying the list of awards in to the presenters. One of the event staff captured a behind the scenes view of the awards coming in via an Ascending Technologies Hummingbird quadcopter. There were teams […]


Exporting ROS Bag Files to Matlab

This tool has been deprecated in favor of a new method which directly reads bag data into Matlab. See this post for details.   Original post: Recently, Adam introduced a tool to analyze ROS bag files using the Python pandas package, and plot the data using matplotlib. You can read his post here. While this is a great […]