Description Usage Arguments Details Value Author(s) See Also

Calculates the Voronoi (nearest-neighbor) segmentation of a two-dimensional rectangular region based on a set of points.

1 |

`pts` |
a two column array of points around which to calculate Voronoi cells |

`bbox` |
the rectangular bounding box the Voronoi cells must fill, represented by a length
4 vector of the form |

Though this function is not strictly necessary to the use of other functions in this package, we found the construction of a Voronoi segmentation to be a rather tedious task, and felt that making the function available to those who want a simple segmentation function was a reasonable choice.

A data frame intended for use in the `ggplot2`

function `geom_polygon`

. The data
frame describes one polygon for each given input point, with the 'x' and 'y' columns specifying the
x- and y-coordinates of the vertices of the polygon, and the column 'poly' specifying the index of
the point (in the input array `pts`

) around which the polygon sits.

Nathaniel R. Twarog

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