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shadow  

Geometric Shadow Calculations
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("shadow", "0.7.1")



Attach the package and use:
library("shadow")
Maintained by
Michael Dorman
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2016-12-07
Latest Update: 2023-07-07
Description:
Functions for calculating: (1) shadow height, (2) logical shadow flag, (3) shadow footprint, (4) Sky View Factor and (5) radiation load. Basic required inputs include a polygonal layer of obstacle outlines along with their heights (i.e. "extruded polygons"), sun azimuth and sun elevation. The package also provides functions for related preliminary calculations: breaking polygons into line segments, determining azimuth of line segments, shifting segments by azimuth and distance, constructing the footprint of a line-of-sight between an observer and the sun, and creating a 3D grid covering the surface area of extruded polygons.
How to cite:
Michael Dorman (2016). shadow: Geometric Shadow Calculations. R package version 0.7.1, https://cran.r-project.org/web/packages/shadow. Accessed 21 Nov. 2024.
Previous versions and publish date:
0.1.3 (2016-12-07 02:36), 0.2.0 (2017-01-19 18:31), 0.3.0 (2017-03-31 19:29), 0.3.2 (2017-05-29 21:20), 0.3.3 (2017-06-14 16:12), 0.3.5 (2017-08-17 10:43), 0.4.0 (2017-11-05 22:07), 0.4.5 (2018-01-04 18:56), 0.5.0 (2018-03-06 14:22), 0.5.3 (2018-05-16 15:17), 0.5.5 (2018-07-19 13:00), 0.5.7 (2018-09-29 22:30), 0.5.9 (2018-12-04 13:10), 0.6.0 (2019-01-08 00:30), 0.6.1 (2019-06-03 15:20), 0.6.2 (2019-09-07 18:50), 0.6.3 (2019-11-11 10:50), 0.6.4.1 (2020-04-01 07:42), 0.6.4 (2020-02-03 10:20), 0.6.7 (2020-06-13 10:20), 0.6.8 (2020-08-25 20:20), 0.6.9 (2020-10-10 12:50), 0.7.0 (2020-12-16 10:30), 0.7.1 (2021-03-14 18:40)
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