A Very Fast 2D Concave Hull Algorithm

The concaveman function ports the 'concaveman' (< https://github.com/mapbox/concaveman>) library from 'mapbox'. It computes the concave polygon(s) for one or several set of points.


News

concaveman 1.0

  • initial release
  • supports different input and output formats (matrix of coordinates, SpatialPoints*, sf)

Reference manual

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install.packages("concaveman")

1.1.0 by Joël Gombin, a year ago


https://joelgombin.github.io/concaveman/, http://www.github.com/joelgombin/concaveman/


Report a bug at http://www.github.com/joelgombin/concaveman/issues


Browse source code at https://github.com/cran/concaveman


Authors: Joël Gombin [cre, aut] , Ramnath Vaidyanathan [aut] , Vladimir Agafonkin [aut] , Mapbox [cph]


Documentation:   PDF Manual  


GPL-3 license


Imports V8, sf, magrittr, jsonlite, dplyr

Suggests testthat

System requirements: GDAL (>= 2.0.0), GEOS (>= 3.3.0), PROJ.4 (>= 4.8.0)


Imported by envi, fieldRS, nichevol, rangemap.

Suggested by ggforce, lidR, textplot.


See at CRAN