Hello orekit community,
When I tried to generate the simulated measurements using the org.orekit.estimation.measurements.generation.Generator class, I find a weird phenomenon that the generator can only work for one time. Once I tried to run the generator for the second time, it would come to a deadlock keep running forever.
Here is part of my code (using Matlab)
% for the first tracklet
generator1 = Generator();
localSat = generator1.addPropagator(targetSatelliteAll(1).propagator);
remoteSat1 = generator1.addPropagator(observeSatelliteAll(1).propagator);
interSatellitesRangeBuilder1 = InterSatellitesRangeBuilder([], localSat, remoteSat1, 0, 0, 1);
selector1 = FixedStepSelector(timeStep, []);
selector1.selectDates(initialDate, finalDate)
scheduler1 = ContinuousScheduler(interSatellitesRangeBuilder1, selector);
generator1.addScheduler(scheduler1);
measurements1 = generator1.generate(initialDate, finalDate);
% for the second tracklet
generator2 = Generator();
remoteSat2 = generator2.addPropagator(observeSatelliteAll(2).propagator);
interSatellitesRangeBuilder2 = InterSatellitesRangeBuilder([], localSat, remoteSat2, 0, 0, 1);
selector2 = FixedStepSelector(timeStep, []);
scheduler2 = ContinuousScheduler(interSatellitesRangeBuilder2, selector2);
generator2.addScheduler(scheduler2);
measurements2 = generator2.generate(initialDate, finalDate);
In this code, measurements1 for the first tracklet can be generated successfully, but the second tecklet (measurements2) met a deadlock. I can’t understand why because generator1 and generator2 are totally different.
In fact, if I tried to run ‘generator1.generate(initialDate, finalDate)’ for the second time, it comes to a deadlock, too.
Why the geneartor can only work for one time? I’m confused of it. Do you have any idea?
Thank you very much for any help.
Xuefeng Tao.