Getting nan resoult from the pixel reflectnace

[Saeed Ojaghi]

Hi 

I run the 6s ode and for  the many of the wavelength like as 0.861 I recive the nan.

I don not knoe what is the problem

from Py6S import *

s1 = SixS()

# Atmospheric constituents

s1.atmos_profile = AtmosProfile.UserWaterAndOzone(3.6,0.9)

s1.aero_profile = AeroProfile.Continental

s1.aot550 =0.5

s1.altitudes.set_sensor_satellite_level()

s1.altitudes.set_target_custom_altitude(km)

s1.wavelength = Wavelength(0.861)

s1.run()

[Robin Wilson]

Hi,

Are you only receiving this error for some wavelengths? There is a known issue with the underlying 6S model that gives NaN results for some specific wavelengths - see https://github.com/robintw/Py6S/issues/65 and the graph shown there for more details.

Running for a wavelength of 0.862 works fine for me.

I'm sorry I can't be more help - this seems to be an underlying 6S model issue, and I am not the author of the original 6S model.

Best regards,

Robin

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