Activity

From 2012-03-12 to 2012-04-10

2012-04-10

19:05 Bug #3: Orekit is not thread safe
The multi-threading branch has been merged back into master (see commit:68cca9dd).
The UTC time scale now uses the...
Luc Maisonobe
18:30 Revision 68cca9dd (orekit-main): Merge branch 'multi-threading'
Luc Maisonobe
18:29 Revision 4f6aaf8d (orekit-main): use the new thread-safe TimeStampedCache for leap seconds handling
Luc Maisonobe
18:28 Revision dbd719f4 (orekit-main): replaced checked exceptions by unchecked exceptions
Luc Maisonobe
18:27 Revision 88a11797 (orekit-main): fixed out of bounds errors in time stamped cache
Luc Maisonobe
18:25 Revision 194bca19 (orekit-main): updated UTC-TAI history (a new leap second will be introduced in...
Luc Maisonobe

2012-04-06

15:46 Bug #88: TLE propagation fails with null inclination
Fixed in git repository (see commit:2ecdf6d3).
Thanks for the report and the analysis about inclination.
Luc Maisonobe
15:29 Bug #88 (Closed): TLE propagation fails with null inclination
There is apparently an error when trying to propagate a TLE with zero inclination (as it could happen for geostationa... Romain Di Costanzo
15:41 Revision 2ecdf6d3 (orekit-main): Fixed TLE propagation in deep space with zero inclination.
Fixes bug #88 Luc Maisonobe
10:45 Revision 3af0d146 (orekit-main): Merge branch 'master' into multi-threading
Luc Maisonobe

2012-04-04

16:42 Revision 714ff57f (orekit-main): Added a way to fit Two-Line Elements against a spacecraft states...
Francesco Rocca

2012-04-03

16:33 Revision 1cf76731 (orekit-main): Fixed English errors in documentation.
Luc Maisonobe

2012-04-02

20:07 Feature #87 (Closed): Make getMaxCheckInterval() of an EventDetector adaptable
Currently, when using an EventDetector, one has to provide a maxCheck parameter that is used to divide the propagatio... Thomas Neidhart
19:55 Revision ac959256 (orekit-main): Corrected changes.xml after latest fixes.
Thomas Neidhart
16:30 Revision a82aad0d (orekit-main): Fixed documentation.
Luc Maisonobe
12:39 Bug #86: TLEPropagator fails to propagate some objects from the test reference file
Solved in git repository (see commit:353b183f) Luc Maisonobe
12:16 Bug #86 (Closed): TLEPropagator fails to propagate some objects from the test reference file
The testSatCodeCompliance Junit test expects propagation errors for objects 28872, 23333 and 29141 of the test refere... Luc Maisonobe
12:30 Revision 353b183f (orekit-main): Removed too stringent check on trajectory in TLE propagator.
The problem was due to a check on perigee altitude that was not
meaningful as it was done on Keplerian-only equation ...
Luc Maisonobe
12:22 Bug #85: TLEPropagator can not be used in ephemeris mode
The test that did not pass anymore is not due to this change.
Another issue has been opened for that (issue #86).
Luc Maisonobe
10:14 Revision ea1db7fe (orekit-main): Fixed English in documentation.
Luc Maisonobe

2012-04-01

00:32 Bug #85: TLEPropagator can not be used in ephemeris mode
i did not understood this TLE was one of the few ignored by the test.
So the problem probably existed earlier.
Se...
Luc Maisonobe
20:56 Bug #85: TLEPropagator can not be used in ephemeris mode
Luc Maisonobe wrote:
> I am not sure, but I think this case should succeed. This satellite does have results associa...
Thomas Neidhart
20:32 Bug #85: TLEPropagator can not be used in ephemeris mode
I am not sure, but I think this case should succeed. This satellite does have results associated in the reference fil... Luc Maisonobe
19:20 Bug #85: TLEPropagator can not be used in ephemeris mode
Hmm, I missed this one. When looking at the test, an exception is actually expected for three satellites:... Thomas Neidhart
18:28 Bug #85: TLEPropagator can not be used in ephemeris mode
Reopening the issue.
It seems the fix introduced in commit:21e4edbb induces a Junit test failure for test TLETest....
Luc Maisonobe
10:51 Bug #85: TLEPropagator can not be used in ephemeris mode
Fixed in rev 21e4edbb. Thomas Neidhart
19:12 Revision 79f2af0c (orekit-main): fixed findbugs warnings
Luc Maisonobe
13:05 Revision 82b1c29e (orekit-main): Merge branch 'master' of ssh://www.orekit.org/orekit
Luc Maisonobe
10:49 Revision 9c68016f (orekit-main): Added TLEPropagatorTest.
Thomas Neidhart

2012-03-31

19:56 Revision 2a667cb1 (orekit-main): Merge branch 'master' of http://www.orekit.org/git/orekit
Thomas Neidhart
19:52 Revision 21e4edbb (orekit-main): Set the initial state for a TLEPropagator, add unit tests (fixes...
Thomas Neidhart
18:09 Revision d44ebc72 (orekit-main): Data providers should not be serializable.
Indeed, the ClasspathCrawler data provider uses a class loader which is
not serializable.
Luc Maisonobe
17:39 Revision 55b51ed6 (orekit-main): Fixed javadoc warnings.
Luc Maisonobe
17:11 Revision c7f6826b (orekit-main): fixed copyright name and year
Luc Maisonobe

2012-03-30

15:00 Bug #85: TLEPropagator can not be used in ephemeris mode
Luc Maisonobe wrote:
> Making sure the initial state is initialized correctly is fine to me, but I'm not sure a publ...
Thomas Neidhart
13:24 Bug #85: TLEPropagator can not be used in ephemeris mode
Making sure the initial state is initialized correctly is fine to me, but I'm not sure a public setInitialState is th... Luc Maisonobe
11:34 Revision 198baf30 (orekit-main): Merge branch 'multi-threading' of ssh://www.orekit.org/orekit in...
Luc Maisonobe
11:27 Revision 2f2970e8 (orekit-main): Merge branch 'master' into multi-threading
Luc Maisonobe

2012-03-29

17:20 Revision 7b8fac32 (orekit-main): Fixed numerous checkstyle warnings.
Luc Maisonobe

2012-03-28

21:27 Revision 63148722 (orekit-main): Fixed a bunch of checkstyle warnings.
Luc Maisonobe
20:08 Revision 2af03640 (orekit-main): Orbits is also an important implementation of PVCoordinatesProvi...
Luc Maisonobe
20:05 Revision d39ac51b (orekit-main): Added a sequence diagram for numerical propagation.
Luc Maisonobe
16:47 Revision d310347b (orekit-main): Updated design and documentation, with new UML diagrams.
For diagrams creation, we have switched to PlantUML, which can be
directly integrated into the maven build and eclips...
Luc Maisonobe

2012-03-25

19:14 Bug #85 (Closed): TLEPropagator can not be used in ephemeris mode
I tried to use the TLEPropagator in ephemeris mode, but it is not working due to the fact, that the initialstate of t... Thomas Neidhart

2012-03-22

20:20 Bug #77: Generation of TLE
Yes, we could do this, but I would rather tend to throw an exception indicating a wrong input value in such a case.
...
Thomas Neidhart
09:49 Revision a9bce685 (orekit-main): Merge branch 'master' into multi-threading
Luc Maisonobe

2012-03-21

22:20 Bug #77: Generation of TLE
Hi Thomas,
You are right, the TLE was generated from a optimization process and apparently neither the first or se...
Petrus Hyvönen
20:28 Bug #77: Generation of TLE
Hi Petrus,
are you sure that you generated a TLE based on correct data? A value of 9.8e+11 is a pretty big number ...
Thomas Neidhart

2012-03-19

09:22 Revision bd3c53e6 (orekit-main): Generate output file on user home directory.
Luc Maisonobe

2012-03-17

19:18 Revision 391f00ed (orekit-main): merge
Luc Maisonobe
19:05 Revision 8be84332 (orekit-main): fixed sorting problems in cached entries
Luc Maisonobe
18:57 Revision e6a808dc (orekit-main): Improved time stamped cache following Thomas feedback.
see issue #3 Luc Maisonobe
18:57 Revision c30b2c74 (orekit-main): Improved thread-safety of TimeStampedCache.
There is now only one global lock, which should allow generator to be
called in a thread-safe manner, regardless of t...
Luc Maisonobe
18:53 Revision 84883013 (orekit-main): Started work on multi-threading aware cache.
Luc Maisonobe

2012-03-16

21:57 Bug #77 (Feedback): Generation of TLE
There is an error in the generation of this exponent, there should be no '+' sign when positive, then both characters... Petrus Hyvönen
16:35 Feature #84 (Closed): TLE PROPAGATOR
It would be convenient for certain aim to have SGP or SDP propagator with attitude provider and mass as arguments.
...
Francesco Rocca

2012-03-12

16:34 Bug #83: Attitude:Yaw Steering
miss:
k=(-1)*SQRT(1-Sz*Sz)
d/dtmax(yaw)=SQRT(1-Sy*Sy)*W0*(-1)/Sy
Shz=SQRT(1-Sx*Sx-Sy*Sy)*sig(Sz)
Francesco Rocca
16:30 Bug #83: Attitude:Yaw Steering
Hello,
following the explanation:
It can be shown that in yaw Steering law the:
cos(yaw)=Sx*(-1)/SQRT(1-Sz*Sz) whe...
Francesco Rocca
09:57 Bug #83: Attitude:Yaw Steering
Hi Francesco, thanks for the report.
I am on the fence on it. The problem here is that yaw steering *is* singular ...
Luc Maisonobe
 

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