Re: [Fedora Robotics] URG range finder laser

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Hi Tim,

Sounds like a pretty cool software, going to give it a try and let you  
know if I have some issue

Thanks a lot

Mauricio

> Hello Mauricio.
>
> You might want to give Fawkes (http://www.fawkesrobotics.org) a try.  
> It
> has a plugin to gather laser data from a Hokuyo URG and visualize it
> with a GUI (http://www.fawkesrobotics.org/gallery/screenshots/page2/),
> which can even run on Maemo 5 on a N900 :-)
>
> I have built RPMs, but I have to fix a few issues before I push them  
> for
> review, but they should be good enough for you to try out. Get
> http://fedorapeople.org/~timn/robotics/fawkes-0.4-1.fc13.src.rpm and
> rebuild it (I can provide x86_64 builds if you don't know how to do  
> that).
>
> Then install fawkes, fawkes-plugin-laser, and fawkes-guis packages.  
> Edit
> /etc/cfg/default.sql and set the following values:
> /hardware/laser/urg/active        bool    1
> /hardware/laser/lase_edl/main_sensor bool    0
> /hardware/laser/urg/main_sensor        bool    1
> I think you can figure out the syntax. You can also run Fawkes and use
> the configuration GUI but editing the file is easier for the start. We
> have to improve here.
> Plugin the laser to a USB port and make sure the urg package is
> installed (should be a dep of the laser plugin package).
>
> Run fawkes on a console (-p parameter to load the laser module):
> fawkes -p laser
>
> Then start the GUI by calling either lasergui in another console or  
> from
> the Application menu via Education -> Fawkes LaserGUI. Click connect  
> and
> connect to localhost (if you have mDNS enabled on your machine by
> allowing it in the firewall it will appear in the selection box,
> otherwise open the extender to manually enter the IP or hostname). You
> should then see the laser data in realtime on your screen.
>
> For further study have a look at the laserht plugin. Load while Fawkes
> is already running with "ffplugin -l laserht". The parameters are  
> cloned
> for close range line detection. The detected line should be visualized
> in the GUI right away.
>
> Have fun,
>    Tim
>
> -- 
>     Tim Niemueller <tim@xxxxxxxxxxxxx>      www.niemueller.de
> =================================================================
>  Imagination is more important than knowledge. (Albert Einstein)
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