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Python: Convert rise/set direction kinds to an enumerated type Direction.

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Don Cross
2019-07-08 16:05:56 -04:00
parent 9384ce69b3
commit f381740976
3 changed files with 19 additions and 15 deletions
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10
source/python/astronomy.py
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@@ -3698,8 +3698,10 @@ def SearchHourAngle(body, observer, hourAngle, startTime):
delta_days = (delta_sidereal_hours / 24.0) * _SOLAR_DAYS_PER_SIDEREAL_DAY
time = time.AddDays(delta_days)
DIRECTION_RISE = +1
DIRECTION_SET = -1
@unique
class Direction(IntEnum):
Rise = +1
Set = -1
class _peak_altitude_context:
def __init__(self, body, direction, observer, body_radius_au):
@@ -3735,10 +3737,10 @@ def SearchRiseSet(body, observer, direction, startTime, limitDays):
else:
body_radius = 0.0
if direction == DIRECTION_RISE:
if direction == Direction.Rise:
ha_before = 12.0 # minimum altitude (bottom) happens BEFORE the body rises.
ha_after = 0.0 # maximum altitude (culmination) happens AFTER the body rises.
elif direction == DIRECTION_SET:
elif direction == Direction.Set:
ha_before = 0.0 # culmination happens BEFORE the body sets.
ha_after = 12.0 # bottom happens AFTER the body sets.
else: