DESCRIPTION

Package: shadow
Type: Package
Title: Geometric Shadow Calculations
Version: 0.7.2
Authors@R: c(
    person("Michael", "Dorman", email = "dorman@post.bgu.ac.il", role = c("aut", "cre")),
    person("Evyatar", "Erell", email = "erell@bgu.ac.il", role = c("ctb")),
    person("Itai", "Kloog", email = "ikloog@gmail.com", role = c("ctb")),
    person("Adi", "Vulkan", email = "vulkan@post.bgu.ac.il", role = c("ctb")),
    person("Roger", "Bivand", email = "roger.bivand@nhh.no", role = c("ctb")))
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.
License: MIT + file LICENSE
LazyData: TRUE
Imports:
    raster (>= 2.4-15),
    sf (>= 1.0.14),
    suntools,
    methods,
    parallel (>= 3.4.0)
Depends:
    R (>= 3.5.0),
    sp (>= 2.0.0)
RoxygenNote: 7.2.3
Suggests:
    R.rsp,
    testthat,
    reshape2 (>= 1.4.2),
    threejs
VignetteBuilder: R.rsp
URL: https://michaeldorman.github.io/shadow/, https://github.com/michaeldorman/shadow/
BugReports: https://github.com/michaeldorman/shadow/issues/
Encoding: UTF-8