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.


concaveman 1.0

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

Reference manual

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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