spatstat (version 1.45-2)

dirichletAreas: Compute Areas of Tiles in Dirichlet Tessellation

Description

Calculates the area of each tile in the Dirichlet-Voronoi tessellation of a point pattern.

Usage

dirichletAreas(X)

Arguments

X
Point pattern (object of class "ppp").

Value

  • Numeric vector with one entry for each point of X.

Details

This is an efficient algorithm to calculate the areas of the tiles in the Dirichlet-Voronoi tessellation.

If the window of X is a binary pixel mask, the tile areas are computed by counting pixels. Otherwise the areas are computed exactly using analytic geometry.

If any points of X are duplicated, the duplicates will have tile area zero.

See Also

dirichlet, dirichletVertices

Examples

Run this code
aa <- dirichletAreas(cells)

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