ggpolypath
Polygons with Holes for the Grammar of Graphics
Tools for working with polygons with holes in 'ggplot2', with a new 'geom' for drawing a 'polypath' applying the 'evenodd' or 'winding' rules.
ggpolypath
A ggplot2 geom for polygons with holes, called 'geom_polypath'.
Install
Install from CRAN.
install.packages("ggpolypath")
Install the development version.
devtools::install_github("mdsumner/ggpolypath")
Example
See the vignette for examples.
vignette("ggpolypath")
Gory details
More examples, and more detail than you probably need can be found here:
News
ggpolypath 0.1.0
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First release.
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Distilled from longer discussion about polygons in https://github.com/r-gris/polyggon
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Ported from 'geom_holygon', listed online at http://rpubs.com/kohske/3522