No. 41 of 91 ·Physics Simulation Software

PythonicDISORT

Windows · Mac · Linux · API

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Freedom report

Two barsScore 6.1

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

PythonicDISORT is ranked #41 of 91 in physics simulation software on Freedom251. It runs on API, Linux, macOS, Windows.

Compared on physics simulation software

3D visuals: No

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The record

Purpose: PythonicDISORT solves the one-dimensional radiative transfer equation for single- or multi-layer plane-parallel atmospheres.
Implementation: The project describes itself as coded entirely in Python 3 and based on Stamnes’ FORTRAN DISORT.
Outputs: Its solver computes fluxes and can optionally compute intensity.
Radiative transfer features: The documented solver supports optional delta-M scaling and Nakajima-Tanaka intensity corrections.
Boundary conditions: Optional inputs include bidirectional reflectance Fourier modes, boundary sources, and isotropic internal sources.
Differentiation: When autograd is installed and compatibility is enabled, it can compute tau derivatives of output functions, with slightly lower efficiency.
Installation: The package can be installed from PyPI or Conda-Forge, or by cloning its repository.
Dependencies: The listed runtime requirements are Python 3.8 or later, NumPy 1.8.0 or later, and SciPy 1.8.0 or later.
Optional integrations: Autograd is optional for derivatives; Jupyter, Notebook, and Matplotlib are listed as optional requirements for the comprehensive notebook.
Platform compatibility: The project says it should be system agnostic given its minimal dependencies and pure Python code, and that the repository was built and tested on Windows 11.
Notable limit: Only the first NFourier bidirectional reflectance Fourier modes are used; additional modes are ignored.
License: The GitHub repository lists an MIT license.
Documentation and audience: The documentation recommends that new users read the non-optional parts of sections 1 and 2, which cover parameter choices and modules and outputs.

Where it ranks on Freedom251

Best Physics Simulation Software in 2026#41 of 91

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Sources

github.com/LDEO-CREW/Pythonic-DISORT· checked 5 Oct 2026
pythonic-disort.readthedocs.io/en/latest/source/PythonicDISORT.html· checked 5 Oct 2026
pythonic-disort.readthedocs.io/en/latest/Pythonic-DISORT.html· checked 5 Oct 2026
pythonic-disort.readthedocs.io/en/latest/· checked 5 Oct 2026
pypi.org/project/PythonicDISORT/· checked 5 Oct 2026