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skymodelr  

Generates and Samples Realistic Terrestrial Atmospheres
View on CRAN: Click here


Download and install skymodelr package within the R console
Install from CRAN:
install.packages("skymodelr")

Install from Github:
library("remotes")
install_github("cran/skymodelr")

Install by package version:
library("remotes")
install_version("skymodelr", "0.6.4")



Attach the package and use:
library("skymodelr")
Maintained by
Tyler Morgan-Wall
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-06-26
Latest Update: 2026-06-27
Description:
Generates physically based sky environment maps and radiance samples using the spectral Hosek-Wilkie and Prague atmosphere models. Functions write high-dynamic-range 'OpenEXR' domes in latitude-longitude projections, compute per-direction RGB or 55-channel values, and optionally composite time-accurate star fields and moon phases. Features include automatic sun and moon positioning from date, time and location, support for sea-level and high-altitude observers, wide-spectrum coefficients, and multithreaded C++ acceleration for fast, high-resolution output. For model details, see Hosek and Wilkie (2012) <doi:10.1145/2185520.2185591>, Hosek and Wilkie (2013) <doi:10.1109/MCG.2013.18>, Wilkie et al. (2021) <doi:10.1145/3450626.3459758>, and Vevoda et al. (2022) <doi:10.1111/cgf.14677>.
How to cite:
Tyler Morgan-Wall (2026). skymodelr: Generates and Samples Realistic Terrestrial Atmospheres. R package version 0.6.4, https://cran.r-project.org/web/packages/skymodelr. Accessed 05 Oct. 2026.
Previous versions and publish date:
(2026-09-14 23:50), 0.3.1 (2026-06-26 11:20), 0.3.2 (2026-06-27 11:40)
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Complete documentation for skymodelr
Functions, R codes and Examples using the skymodelr R package
Full skymodelr package functions and examples
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