Commit Graph

1677 Commits

Author SHA1 Message Date
Brandon Rhodes 2ce6482900 Add rudimentary subtraction ability to ICRS 2013-06-23 08:06:56 -04:00
Brandon Rhodes ea87e71506 Another TODO: Earth satellite orbit number 2013-06-21 20:12:55 -04:00
Brandon Rhodes 38bb1b2f75 Create a TODO list with an initial item 2013-06-21 20:05:06 -04:00
Brandon Rhodes 27ceeec86a Allow scalar dates to produce scalar coordinates 2013-06-08 06:43:37 -04:00
Brandon Rhodes 65f7980119 Make position repr() simpler and more static 2013-06-08 06:35:14 -04:00
Brandon Rhodes d251005a44 Discourage RA-to-degrees, dec-to-hours conversions 2013-05-24 14:10:40 -04:00
Brandon Rhodes 8691c0098e Split out separately the sign of sexagesimals 2013-05-24 10:21:08 -05:00
Brandon Rhodes 2baa57d08e Add a general sexagesimal routine for angles 2013-05-19 19:01:37 -04:00
Brandon Rhodes 3f385c59af Add sample output of asking for apparent position 2013-05-16 12:43:36 +02:00
Brandon Rhodes fc7d42f35c Add x, y, and z attributes to Cartesian positions 2013-05-16 12:37:06 +02:00
Brandon Rhodes ddb6b1e924 Add and test repr for ICRS and GCRS coordinates 2013-05-16 12:19:27 +02:00
Brandon Rhodes 907cc68c8d Repair old doctests in primitive introduction.rst 2013-05-16 12:10:20 +02:00
Brandon Rhodes 220d144e51 Add the words "MIT license" to the LICENSE file 2013-04-07 12:09:25 -04:00
Brandon Rhodes bb3574b1c2 Bugfix: cal_date would modify `jd` array argument
Doing `jd += 0.5` is safe if `jd` is a Python float, but not if `jd`
is a whole NumPy array full of floats.  Whoops.
2013-02-17 11:38:06 -05:00
Brandon Rhodes e56bc9e855 Refuse to commit built HTML documentation to git 2013-02-17 11:36:55 -05:00
Brandon Rhodes f8359081af Add de421 as an install dependency 2013-02-17 11:36:23 -05:00
Brandon Rhodes d7bb1a0f9f Start Sphinx documentation project for Skyfield 2013-02-17 11:13:36 -05:00
Brandon Rhodes e1a353c3e3 Add cal_date() function: Julian day -> Gregorian 2013-02-16 23:10:03 -05:00
Brandon Rhodes 18645c4890 Collected data about our five JPL ephemerides 2013-02-16 21:30:54 -05:00
Brandon Rhodes 0332b67477 Add experimental ra/dec plot to index notebook 2013-02-16 21:14:09 -05:00
Brandon Rhodes f2ba3a1757 Simple 3D plot of the inner solar system for index 2013-02-16 19:58:44 -05:00
Brandon Rhodes cfec74e642 Add julian_date() based on NOVAS function 2013-02-16 13:39:43 -05:00
Brandon Rhodes 0bd98fb8f9 Clean up numpy imports and make uniform syntax 2013-01-30 23:39:35 -05:00
Brandon Rhodes 22f1040cc2 Four-hour marathon: vectorize geocentric functions 2013-01-30 23:10:37 -05:00
Brandon Rhodes ea30a2b0db Avoid exception if test dependency is missing 2013-01-30 16:41:28 -05:00
Brandon Rhodes c5077e8799 Corrected GitHub URL in setup.py 2013-01-30 16:31:56 -05:00
Brandon Rhodes 70e9d6d75f Initial commit 2013-01-30 16:23:04 -05:00