def irradiance(self, time_sequence, ephem_sequence):
#def irradiance(self, time_sequence):
location = self.address2llh(self.address)
solarZenith = ephem_sequence['zenith']
solarAzi = ephem_sequence['azimuth']
irradianceSequence = pvlib.clearsky.ineichen(time_sequence, location)
DNI = irradianceSequence['dni']
DB = SfsLight.directBeam(self.panel_tilt, solarZenith, self.panel_azimuth-solarAzi, DNI)
irradianceSequence['DB'] = DB
self.irradiance_sequence = irradianceSequence
irradianceSequence.plot()
pix2_name = 'irrad_' + self.address_slug + '.png'
plot_path = MEDIA_ROOT + 'plots/' + pix2_name
pyplot.savefig(plot_path)
# Create plot figure file.
'''ephemSequence.plot()
plot_path = MEDIA_ROOT + 'plots/ephemSequence.png'
pyplot.savefig(plot_path)'''
return
def ephemeris(self, begin, end, frequency):
location = self.address2llh(self.address)
# Invoke panda routine.
strBegin = begin.split(',')
intBegin = [int(x) for x in strBegin]
strEnd = end.split(',')
intEnd = [int(x) for x in strEnd]
# Avoids the "..." ellipsis that appear in data.
pandas.set_option('display.max_rows', 1000000)
timeSequence = pandas.date_range(
start=datetime.datetime(intBegin[0], intBegin[1], intBegin[2], intBegin[3]),
end=datetime.datetime(intEnd[0], intEnd[1], intEnd[2], intEnd[3]), freq = frequency)
#self.time_sequence = timeSequence
##################
# Solar ephemeris.
# # # # # # # # # # # # #
ephemSequence = pvlib.solarposition.pyephem(
timeSequence, location).drop(
['apparent_elevation', 'apparent_azimuth',
'apparent_zenith', 'elevation'], axis=1)
self.ephem_sequence = ephemSequence
# Create plot figure file.
ephemSequence.plot()
pix1_name = 'ephem_' + self.address_slug + '.png'
plot_path = MEDIA_ROOT + 'plots/' + pix1_name
pyplot.savefig(plot_path)
##################
# Solar ephemeris.
eph_seq = str(ephemSequence)
eph_seq_lines = eph_seq.split('\n')
self.time_sequence = eph_seq_lines
# Compute statistics.
self.statistics = ephemSequence.describe()
##################
# Solar specifications.
# # # # # # # # # # # # #
location = self.address2llh(self.address)
solarZenith = ephemSequence['zenith']
solarAzi = ephemSequence['azimuth']
irradianceSequence = pvlib.clearsky.ineichen(timeSequence, location)
DNI = irradianceSequence['dni']
DB = SfsLight.directBeam(self.panel_tilt, solarZenith, self.panel_azimuth-solarAzi, DNI)
irradianceSequence['DB'] = DB
self.irradiance_sequence = irradianceSequence
irradianceSequence.plot()
pix2_name = 'irrad_' + self.address_slug + '.png'
plot_path = MEDIA_ROOT + 'plots/' + pix2_name
pyplot.savefig(plot_path)
##################
# Create plot figure file.
'''ephemSequence.plot()
plot_path = MEDIA_ROOT + 'plots/ephemSequence.png'
pyplot.savefig(plot_path)'''
return
