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# -*- python -*-
# This example can be used in xmobar to display the
# Sun's elevation and to what degree it is day time.
# Geographical coodinates.
# (KTH building D computer laboratories in this example.)
latitude, longitude = 59.3472, 18.0728
# The colour temperature at day and at night.
temperature_day, temperature_night = 6500, 3700
# The visibility of the Sun.
dayness = sun(latitude, longitude)
# The Sun's elevation.
elevation = solar_elevation(latitude, longitude)
# Calculation of the whitepoint with adjusted colour temperature.
temperature_now = temperature_day * dayness + temperature_night * (1 - dayness)
whitepoint = divide_by_maximum(cmf_10deg(temperature_now))
whitepoint = [('0' + hex(int(c * 255 + 0.5))[2:].upper())[-2:] for c in whitepoint]
whitepoint = whitepoint[0] + whitepoint[1] + whitepoint[2]
# Print information.
print('<fc=#%s>%i</fc>K %.1f° %.2f%%' % (whitepoint, int(temperature_now), elevation, dayness))
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