Thursday, October 21, 2010

I didn't realize how big that ROS was

I am in the process of updating my Ubuntu Laptop at work.  Part of that process is to update the files on my system that need updating.  There were a number of the Robot Operating System (ROS) files that needed updating as well.  I was wondering why it was taking so long for the update to complete when I looked at the listing and noticed that most of the ROS files were large.  For instance:

(1) ros-cturtle-point-cloud-perception is 56.5 MB
(2) ros-ctrutle-visualization is 44.5 MB
(3) ros-cturtle-navigation is 9.5 MB
(4) ros-cturtle-laser-pipeline is 6.7 MB (probably will never be used)
(5) ros-cturtle-visualization-tutorials is 308K (not a problem)
(6) ros-cturtle-simulator-gazebo is 146 MB (will never be loaded onto the Chumby)

Given some of these sizes that are reported, I can see why people have been having problems putting the ROS package onto an embedded system.  I am however going to take the tack of shoehorning the code onto the Chumby as best I can and try and figure out what parts will be missing after I get the initial set online.  If the packages are too big, I will end up having to abandon ROS and go to something smaller.  At the moment, since I know that ROS has been put on the Beagle Board and the Gum Stick I have faith that I will be able to add it to the Chumby mix.  I really need to test this out over the weekend.

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