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I was trying to extract the satellites position from the broadcast navigation message using an GPSEphemerisStore? object like in example 4. But then when trying to use the function .getXvt(prn, t) the program crashes (although no error is detected in code before compilation), with the following message:
"Non processed exception: InteropServices?.SEHException: The external component activated an exception.
in gpstk.OrbitEph.svXvt(OrbitEph?* , Xvt* , CommonTime?* )
in main() em c:\users\user\documents\visual studio 2012\projects\gnssrelpos\g
Press key to continue . . ."
I already used this approach successfully a few years ago in another project using version 1.6.
I tried to investigate a little bit the origin of the problem by making a few tests:
while (rin_nav >> nav_data) BcEStore?.addEphemeris(nav_data);
SatID? s(23, SatID?::systemGPS);
CommonTime? t = BcEStore?.getInitialTime();
const OrbitEph? *eph = BcEStore?.findOrbitEph(s, t);
cout << "test: " << eph->asString() << endl;
cout << "test2: " << eph->ecc << endl;
cout << "test3: " << eph->svClockBias(t) << endl;
cout << "test4: " << eph->isValid(t) << endl;
Xvt sv = eph->svXvt(t);
cout << "x = " << sv.x << endl;
These tests resulted in the following output:
test: EPH G23 | 2011 74 12:00:00 | 74 12:00:00 | 74 12:00:00 | 74 14:00:00
| 74 12:00:00 | 71 | 71 | 0
All of which are consistent with the nav file. After that the program crashes and the exception message appears.
Does anyone knows what's happening?
Thank you. Regards
I am trying to retrieve APC information from an Antex file (igs08.atx) using the gpstk::AntexReader class the following way:
SatAnt = ant.getAntenna(id, time );
In the AntexReader.cpp (line1350) the epoch comparison always leads to an unknown error.
I have debugged this part and the times (epochs, antenna.getAntennaValidFrom(), antenna.getAntennaValidFrom()) show right results, but the logical operation failes in line 1350 using GPS Satellite G11 on L1 frequency for JD 2454697.5.
Thanks for the help.
Iḿ using PRSolve. When I execute the comand generate a log File with the following problem:
PRSolve, part of the GPS Toolkit, Ver 5.0 8/1/13, Run 2014/07/03 18:53:34
Warning - unrecognized arguments:
End of unrecognized arguments
Errors found on command line:
Required option obs is not found.
End of command line errors.
Thanks for your help
Hi I am a student of Ingeniera Catastral in Colombia, Bogota. I dont speak English very well, so I hope you understand me.
I need help with undergraduate thesis'm taking over, and let me know how to link the RINEX files and meteorological observations with function tropmodel GPS-tk for tropospheric delay.
Please if someone could help it would be very grateful, I took a year for help and no one knows how to use GPS-tk
I have a novAtel receiver version OEM6, but the novaRinex Converter only supports
versions for OEM2 and OEM4.
Who administers maintenance of gpstk?
How long will it take for version OEM6 to be supported?