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-rw-r--r--src/solar_python.py24
1 files changed, 12 insertions, 12 deletions
diff --git a/src/solar_python.py b/src/solar_python.py
index e35c299..7233df2 100644
--- a/src/solar_python.py
+++ b/src/solar_python.py
@@ -1,5 +1,5 @@
# solar-python — Solar data calculation and prediction library for Python
-# Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+# Copyright © 2014, 2015 Mattias Andrée (maandree@member.fsf.org)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
@@ -18,7 +18,7 @@
SOLAR_APPARENT_RADIUS = 32 / 60
'''
-:float Approximate apperant size of the Sun in degrees
+:float Approximate apparent size of the Sun in degrees
'''
@@ -341,9 +341,9 @@ def hour_angle_from_elevation(latitude, declination, elevation):
@param longitude:float The longitude in degrees eastwards
from Greenwich, negative for westwards
- @param declination:float The declination, in degrees
- @param hour_angle:float The Sun's elevation, in degrees
- @return :float The solar hour angle, in degrees
+ @param declination:float The declination, in radians
+ @param elevation:float The Sun's elevation, in radians
+ @return :float The solar hour angle, in radians
'''
import math
if elevation == 0:
@@ -361,9 +361,9 @@ def elevation_from_hour_angle(latitude, declination, hour_angle):
@param longitude:float The longitude in degrees eastwards
from Greenwich, negative for westwards
- @param declination:float The declination, in degrees
- @param hour_angle:float The solar hour angle, in degrees
- @return :float The Sun's elevation, in degrees
+ @param declination:float The declination, in radians
+ @param hour_angle:float The solar hour angle, in radians
+ @return :float The Sun's elevation, in radians
'''
import math
rc = math.cos(radians(latitude))
@@ -376,7 +376,7 @@ def time_of_solar_noon(t, longitude):
'''
Calculates the time of the closest solar noon
- @param t:float A time close to the seeked time,
+ @param t:float A time close to the sought time,
in Julian Centuries
@param longitude:float The longitude in degrees eastwards from
Greenwich, negative for westwards
@@ -395,14 +395,14 @@ def time_of_solar_elevation(t, noon, latitude, longitude, elevation):
Calculates the time the Sun has a specified apparent
elevation at a geographical position
- @param t:float A time close to the seeked time,
+ @param t:float A time close to the sought time,
in Julian Centuries
@param noon:float The time of the closest solar noon
@param latitude:float The latitude in degrees northwards from
the equator, negative for southwards
@param longitude:float The longitude in degrees eastwards from
Greenwich, negative for westwards
- @param elevation:float The solar elevation, in degrees
+ @param elevation:float The solar elevation, in radians
@return :float The time, in Julian Centuries,
of the specified elevation
'''
@@ -430,7 +430,7 @@ def solar_elevation_from_time(t, latitude, longitude):
Greenwich, negative for westwards
@return :float The Sun's apparent at the specified time
as seen from the specified position,
- measured in degrees
+ measured in radians
'''
rc = julian_centuries_to_julian_day(t)
rc = (rc - float(int(rc + 0.5)) - 0.5) * 1440