Py6S

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Welcome to the Py6S mailing list!

This mailing list is for discussion about Py6S, including reporting bugs, requesting features, discussing use cases and asking for help with problems. Please have a read of the Py6S documentation before asking a question.

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shahira ka, Robin Wilson2

Apr 25

Parameter Setting in Py6s

Hi, Unfortunately I don't believe it is possible to specify a relative azimuth angle as input to

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Parameter Setting in Py6s

Hi, Unfortunately I don't believe it is possible to specify a relative azimuth angle as input to

Apr 25

Srinivas Kolluru

Jan 4

pixel radiance simulation differing by one order in case of ocean BRDF

Hello, I am trying to perform 6sv simulation to generate top-of-atmosphere pixel radiance with

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pixel radiance simulation differing by one order in case of ocean BRDF

Hello, I am trying to perform 6sv simulation to generate top-of-atmosphere pixel radiance with

Jan 4

Heidi Rabinowitz

11/25/23

Kingsoft Office 2012

Kingsoft Office 2012: A Powerful and Affordable Alternative to Microsoft OfficeIf you are looking for

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Kingsoft Office 2012

Kingsoft Office 2012: A Powerful and Affordable Alternative to Microsoft OfficeIf you are looking for

11/25/23

9/29/23

facing challenges in utilizing 6S for conducting atmospheric correction

Hi everyone, I'm looking for guidance on how to create the parameter file for atmospheric

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facing challenges in utilizing 6S for conducting atmospheric correction

Hi everyone, I'm looking for guidance on how to create the parameter file for atmospheric

9/29/23

Rajarshi Bhattacharjee

9/12/23

Atmospheric correction of PRISMA L1 dataset

Dear all, Can anyone provide me with the Py6S code to atmospherically correct PRISMA L1 data for

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Atmospheric correction of PRISMA L1 dataset

Dear all, Can anyone provide me with the Py6S code to atmospherically correct PRISMA L1 data for

9/12/23

Matthew McCarthy2

9/5/23

Does Py6S standardize every pixel for nadir sun/satellite angles?

Apparently what I'm referring to is called "solar zenith correction". On Tuesday,

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Does Py6S standardize every pixel for nadir sun/satellite angles?

Apparently what I'm referring to is called "solar zenith correction". On Tuesday,

9/5/23

5/31/23

Rayleigh correction by Py6S

Hello everyone, I want to get rayleigh correction reflectance by Py6S, and I find this page (

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Rayleigh correction by Py6S

Hello everyone, I want to get rayleigh correction reflectance by Py6S, and I find this page (

5/31/23

Nutty, Robin Wilson3

5/11/23

How to get 'xap' value?

Hi Robin, Thank you for your response and for your patience in helping me find the necessary proof. I

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How to get 'xap' value?

Hi Robin, Thank you for your response and for your patience in helping me find the necessary proof. I

5/11/23

Pratanu Maity, Robin Wilson3

4/14/23

An error while extracting xa,xb,xc coefficients.

Dear Sir, Thank you sir for the answer. Regards, Pratanu Maity Geospatial Data Analyst Suhora

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An error while extracting xa,xb,xc coefficients.

Dear Sir, Thank you sir for the answer. Regards, Pratanu Maity Geospatial Data Analyst Suhora

4/14/23

4/2/23

6S 1.1 unable to handle set_target_pressure

Hi Robin, I hope you're doing well! I just found a potential bug of 6S Version 1.1 that Py6S uses

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6S 1.1 unable to handle set_target_pressure

Hi Robin, I hope you're doing well! I just found a potential bug of 6S Version 1.1 that Py6S uses

4/2/23

Pratanu Maity, … Robin Wilson4

3/10/23

Applying Py6S On Multispectral Imagery

Thank you sir for your answer. Please can you share an example code that shows how to extract coef_xa

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Applying Py6S On Multispectral Imagery

Thank you sir for your answer. Please can you share an example code that shows how to extract coef_xa

3/10/23

2/15/23

why the atmospheric correction result is bigger than input apprant reflectance?

Hi, is there anyone check the corrected result of 6s? It makes me confused. Here is a sample result:

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why the atmospheric correction result is bigger than input apprant reflectance?

Hi, is there anyone check the corrected result of 6s? It makes me confused. Here is a sample result:

2/15/23

Diego Bermejo, Robin Wilson3

1/13/23

Py6S on Sentinel-2

Hi Robin, thank you for your very quick reply. My goal is to simulate the impact of methane

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Py6S on Sentinel-2

Hi Robin, thank you for your very quick reply. My goal is to simulate the impact of methane

1/13/23

afagh zeydani, Robin Wilson7

11/8/22

Thank you so much, it's done perfectly. I want 6s for atmospheric correction , if I ran into

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Thank you so much, it's done perfectly. I want 6s for atmospheric correction , if I ran into

11/8/22

Namer J, Robin Wilson2

7/7/22

Hi, You'll need to make sure you install the make command and add it to your path - see step 1 at

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Hi, You'll need to make sure you install the make command and add it to your path - see step 1 at

7/7/22

6/3/22

Aerosol Scattering Phase Function in 6S

Hi Robin, are you familiar with the MIE module of 6S? Do you know if there's a way to extract

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Aerosol Scattering Phase Function in 6S

Hi Robin, are you familiar with the MIE module of 6S? Do you know if there's a way to extract

6/3/22

3/15/22

anisotropy in scattering

Hello Py6S wizards, I wished to set up a test to evaluate the extent to which 6S simulations were

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anisotropy in scattering

Hello Py6S wizards, I wished to set up a test to evaluate the extent to which 6S simulations were

3/15/22

Edward Hyer, Robin Wilson2

3/12/22

Run360() can't feed output to plot360()

Hi Edward, You'll need to extract one of the items from the RayleighAerosolTotal objects before

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Run360() can't feed output to plot360()

Hi Edward, You'll need to extract one of the items from the RayleighAerosolTotal objects before

3/12/22

Jocker Chou, Robin Wilson2

1/11/22

Accelerating Py6s?

Hi, The best way to deal with repeated calculations for something like atmospheric correction is to

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Accelerating Py6s?

Hi, The best way to deal with repeated calculations for something like atmospheric correction is to

1/11/22

11/2/21

Question about reflectance in Py6S

Hi Robin, I have spectral library now, and I want to simulate the TOA reflectance to create the LUT

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Question about reflectance in Py6S

Hi Robin, I have spectral library now, and I want to simulate the TOA reflectance to create the LUT

11/2/21

STEPHEN ZHANG, Robin Wilson3

10/11/21

Import of AERONET data

Hi Robin, Thank you for your reply. Actually I have just come into contact with radiative transfer

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Import of AERONET data

Hi Robin, Thank you for your reply. Actually I have just come into contact with radiative transfer

10/11/21

8/20/21

HomogeneousUserDefined BRDF

Hi I am trying to use the HomogeneousUserDefined class as Surface BRDF but I am faced with some

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HomogeneousUserDefined BRDF

Hi I am trying to use the HomogeneousUserDefined class as Surface BRDF but I am faced with some

8/20/21

Federico Taddei

8/13/21

Hi Robin, it's me again, just to tell you to disregard my previous message. I've fixed the

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Hi Robin, it's me again, just to tell you to disregard my previous message. I've fixed the

8/13/21

Federico Taddei

8/13/21

executable in google colab

Hi Robin, i'm trying to run 6SPy in Google colab. Happily, it includes Py6S !! I can create a

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executable in google colab

Hi Robin, i'm trying to run 6SPy in Google colab. Happily, it includes Py6S !! I can create a

8/13/21

6/9/21

Py6S v1.9.0 released

Hi, I've finally had some time to do some concentrated work on Py6S, and have released a couple

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Py6S v1.9.0 released

Hi, I've finally had some time to do some concentrated work on Py6S, and have released a couple

6/9/21

Mengmeng Yang, Robin Wilson5

6/6/21

Sunglint reflectance from 6S

Hi Robin, Thank you so much for your great work and kind support. I will try. Kind regards, Mengmeng

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Sunglint reflectance from 6S

Hi Robin, Thank you so much for your great work and kind support. I will try. Kind regards, Mengmeng

6/6/21

5/29/21

Aerosol LUT using Py6S

Hi Robin, Did you use Py6S to calculate Aerosol LUT? I tried to do this according to the attached

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Aerosol LUT using Py6S

Hi Robin, Did you use Py6S to calculate Aerosol LUT? I tried to do this according to the attached

5/29/21

5/20/21

Difference between Py6S and 6S outputs

Hi Robin, I found that the aot550 from the Py6S outputs didn't change with the sensor altitude.

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Difference between Py6S and 6S outputs

Hi Robin, I found that the aot550 from the Py6S outputs didn't change with the sensor altitude.

5/20/21

Mengmeng Yang, Robin Wilson3

5/17/21

Hi Robin, Thanks a lot. It works now. Kind regards, Mengmeng. 在2021年5月17日星期一 UTC+9 下午11:28:27<ro..

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Hi Robin, Thanks a lot. It works now. Kind regards, Mengmeng. 在2021年5月17日星期一 UTC+9 下午11:28:27<ro..

5/17/21

Mengmeng Yang, Robin Wilson5

5/17/21

Sunglint reflectance

Hi Robin, Thank you for your reply. I understand what you said. Sorry for my questions. Thank you.

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Sunglint reflectance

Hi Robin, Thank you for your reply. I understand what you said. Sorry for my questions. Thank you.

5/17/21

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