[Kstars-devel] Review Request 113019: Update moon position code to Meeus 1998 and fixed bug in Time calculator->Almanac

Rafal Kulaga rl.kulaga at gmail.com
Sat Dec 7 17:53:10 UTC 2013


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Ship it!


Ship it, but I think it would make sense to use pow() instead of series of multiplication operators.

- Rafal Kulaga


On Oct. 9, 2013, 12:06 a.m., Vijay Dhameliya wrote:
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> http://git.reviewboard.kde.org/r/113019/
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> (Updated Oct. 9, 2013, 12:06 a.m.)
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> Review request for KStars, Akarsh Simha, Henry de Valence, and Rafal Kulaga.
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> Repository: kstars
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> Description
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> As such there are no major changes made in Moon Position algorithm in Meeus 1998 from Meeus 1991 but few constants are modified which increases accuracy by few arc-seconds. 
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> Previously Tools->Calculator->Time Calculators->Almanac always produced phase unknown which is fixed by calling findPosition() and findPhase() before calling illum(). 
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> Diffs
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>   kstars/skyobjects/ksmoon.cpp ac7e4ed 
>   kstars/tools/modcalcdaylength.cpp b11cca2 
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> Diff: http://git.reviewboard.kde.org/r/113019/diff/
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> Testing
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> Tools->Calculator->Time Calculators->Almanac produces correct phase.
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> Thanks,
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> Vijay Dhameliya
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>

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