voronoipolygons: Function to generate Voronoi polygons.

Description Usage Arguments Value Author(s) References Examples

View source: R/voronoipolygons.R

Description

Generate Voroni Polygons, according to a distance/s of radium. The output of the function is a List with the SpatialPolygonDataFrame with the id of the initial DataFrame

Usage

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Arguments

x

DataFrame with unless three variables: x, y, and id)

[crs]

Coordinate Reference Systems (CRS).

Value

Return a SpatialPolygon of the Voronoi polygons of the initial DataFrame

Author(s)

Detomasi, Richard Botto, German

References

Bivand, R., Keitt, T., Rowlingson, B., Pebesma, E., Sumner, M., Hijmans, R. y Rouault, E. (2015), Bindings for the Geospatial Data Abstraction Library. URL https://cran.r-project.org/web/packages/rgdal/rgdal.pdf Botto, G. y Detomasi, R. (2015), Bases metodológicas para la planificación espacial de servicios de educación inicial en Uruguay. Jornadas Argentinas de Geo-tecnologías: Trabajos completos. Universidad Nacional de Luján - Sociedad de Especialistas Latinoamericanos en Percepción Remota - Universidad Nacional de San Luis, pp. 121-128.http://dinem.mides.gub.uy/innovaportal/file/61794/1/tecnologias-de-la-informacion-para-nuevas-formas-de-gestion-del-territorio.-2015.pdf Farmer, Carson (2009) "http://carsonfarmer.com/2009/09/voronoi-polygons-with-r/" Detomasi, R., Botto, G. y Hahn, M. (2015) CAIF: Análisis de demanda. Do-cumento de trabajo, Mayo 2015. Departamento de Geografía. Dirección Nacional de Evaluación y Monitoreo. Ministerio de Desarrollo Social. http://dinem.mides.gub.uy/innovaportal/file/61792/1/caif.-analisis-de-demanda.-2015.pdf Leisch, F. y Dimitriadou, E. (2013), Flexible ClusterAlgorithms. URL https://cran.r-project.org/web/packages/flexclust/flexclust.pdf Pebesma, E., Bivand, R., Rowlingson, B., Gomez-Rubio, V., Hijmans, R., Sumner, M., MacQueen, D. et al. (2015), Classes and Methods for Spatial Data. URL https://cran.r-project.org/web/packages/sp/sp.pdf R Development Core Team (2015), R: A language and environment for statistical computing. R Foundation forStatistical Computing, Vienna, Austria.ISBN 3-900051-07-0, URL http://www.R-project.org/ Turner, R. (2015), Delaunay Triangulation and Dirichlet (Voronoi) Tessellation. URL https://cran.r-project.org/web/packages/deldir/deldir.pdf

Examples

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centers<- data.frame(x = sample(560000:585000,10),
                             y = sample(6136000:6160000,10),
                             id = 1:10)

## The function is currently defined as
voronoi_polygons(centers, crs = CRS("+init=epsg:32721")) 

RichDeto/EPP documentation built on Aug. 25, 2018, 3:18 p.m.