Exemple #1
0
def main():
    p = ArgumentParser(description='Lowtran 7 interface')
    p.add_argument('-z',
                   '--obsalt',
                   help='altitude of observer [km]',
                   type=float,
                   default=0.)
    p.add_argument('-a',
                   '--zenang',
                   help='zenith angle [deg]  of sun or moon',
                   nargs='+',
                   type=float,
                   default=[0, 60, 80])
    p.add_argument('-s',
                   '--short',
                   help='shortest wavelength nm ',
                   type=float,
                   default=200)
    p.add_argument('-l',
                   '--long',
                   help='longest wavelength nm ',
                   type=float,
                   default=30000)
    p.add_argument('-step',
                   help='wavelength step size cm^-1',
                   type=float,
                   default=20)
    p.add_argument('--model',
                   help='0-6, see Card1 "model" reference. 5=subarctic winter',
                   type=int,
                   default=5)
    P = p.parse_args()

    c1 = {
        'model': P.model,
        'h1': P.obsalt,
        'angle': P.zenang,  # zenith angle of sun or moon
        'wlshort': P.short,
        'wllong': P.long,
        'wlstep': P.step,
    }

    irr = lowtran.irradiance(c1)

    plotirrad(irr, c1, True)

    show()
Exemple #2
0
def main():
    p = ArgumentParser(description='Lowtran 7 interface')
    p.add_argument('-z',
                   '--obsalt',
                   help='altitude of observer [km]',
                   type=float,
                   default=0.)
    p.add_argument('-a',
                   '--zenang',
                   help='zenith angle [deg]  of sun or moon',
                   nargs='+',
                   type=float,
                   default=[0, 60, 80])
    p.add_argument('-w',
                   '--wavelen',
                   help='wavelength range nm (start,stop)',
                   type=float,
                   nargs=2,
                   default=(200, 25000))
    p.add_argument('--model',
                   help='0-6, see Card1 "model" reference. 5=subarctic winter',
                   type=int,
                   default=5)
    P = p.parse_args()

    c1 = {
        'model': P.model,
        'h1': P.obsalt,
        'angle': P.zenang,  # zenith angle of sun or moon
        'wlnmlim': P.wavelen,
    }

    irr = lowtran.irradiance(c1)

    plotirrad(irr, c1, True)

    show()
Exemple #3
0
#!/usr/bin/env python
from matplotlib.pyplot import show
#
import lowtran
from lowtran.plots import plotirrad

if __name__=='__main__':

    from argparse import ArgumentParser
    p = ArgumentParser(description='Lowtran 7 interface')
    p.add_argument('-z','--obsalt',help='altitude of observer [km]',type=float,default=0.)
    p.add_argument('-a','--zenang',help='zenith angle [deg]  can be single value or list of values',type=float,default=0.)
    p.add_argument('-w','--wavelen',help='wavelength range nm (start,stop)',type=float,nargs=2,default=(200,15000))
    p.add_argument('--model',help='0-6, see Card1 "model" reference. 5=subarctic winter',type=int,default=5)
    p=p.parse_args()

    c1={'model':p.model,
        'itype':3, # 3: observer to space
        'iemsct':3 # 3: solar irradiance
        }

    TR = lowtran.golowtran(p.obsalt,p.zenang,p.wavelen,c1)

    plotirrad(TR,True,c1)

    show()
Exemple #4
0
lowtran.nm2lt7(200, 2500, 20)
c1 = {
    'model': 6,
    'h1': 0,
    'angle': [0, 30, 60],
    'wlshort': 300,
    'wllong': 2600,
    'wlstep': 5,
}

TR = lowtran.transmittance(c1)
lp.plottrans(TR, c1)
TR = lowtran.radiance(c1)
lp.plotradiance(TR, c1)
TR = lowtran.irradiance(c1)
lp.plotirrad(TR, c1)

s = SixS()
s.geometry.solar_z = sza
s.geometry.solar_a = 0
s.geometry.view_z = vza
s.geometry.view_a = azi
s.aero_profile = AeroProfile.PredefinedType(AeroProfile.Maritime)
parameter = 'apparent_radiance'
parameter = 'direct_solar_irradiance'
params = [
    'transmittance_no2.total', 'total_gaseous_transmittance',
    'apparent_radiance', 'direct_solar_irradiance', 'diffuse_solar_irradiance'
]

ss = []
Exemple #5
0
    p.add_argument('-a',
                   '--zenang',
                   help='zenith angle [deg]  of sun or moon',
                   nargs='+',
                   type=float,
                   default=[0, 60, 80])
    p.add_argument('-w',
                   '--wavelen',
                   help='wavelength range nm (start,stop)',
                   type=float,
                   nargs=2,
                   default=(200, 25000))
    p.add_argument('--model',
                   help='0-6, see Card1 "model" reference. 5=subarctic winter',
                   type=int,
                   default=5)
    p = p.parse_args()

    c1 = {
        'model': p.model,
        'h1': p.obsalt,
        'angle': p.zenang,  # zenith angle of sun or moon
        'wlnmlim': p.wavelen,
    }

    I = lowtran.irradiance(c1)

    plotirrad(I, c1, True)

    show()