On Friday 01 Jul 2005 21:51, Curtis L. Olson wrote: > I had an interesting day today. As I've mentioned before, I'm > helping out with a University of MN UAV project. My main > capacity was to assemble the airframe, and now I am the > primary test pilot. We are just now starting to add > instrumentation to our airplane. Today we flew (manually) > with a simple gps and radio modem on board and captured the > gps output on our ground station. We had a couple very > successful flights and captured a lot of good data. > > Right now the gps data can be stuffed into a running copy of > FG and FG will show a virtual rendition of what is going on. > That sounds really cool (and it is), however, our cheap gps > outputs data at 0.5hz (once every 2 seconds) which is very > coarse. We captured our data to a file so I can visualize > that with something like: > > fgfs --nmea=file,in,10,/home/curt/Flight4_3.txt --fdm=null > > However, position updates for an RC model at 0.5hz gives an > almost unusable display for typical manaul flying because you > can fly an entire turn and be going the opposite direction > before the next gps report comes in. > > I recall a while back, someone was working on a program to > take a 0.5 hz gps data stream and interpolate data to make > smoother visualization in FG. Is that code still floating > around and available any place? > > I have some early pictures and info about our project here: > > http://www.flightgear.org/~curt/Models/Construction/Rascal110/ > > Thanks, > > Curt.
Hello Curt, The update rate for the basic e-trex should be 1Hz, though I doubt that this would be fast enough for you anyway. You're not operating the e-trex in battery-save mode are you? Battery-save mode lowers the update rate. LeeE _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
