dirichletAreas

0th

Percentile

Compute Areas of Tiles in Dirichlet Tessellation

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

Keywords
manip, spatial, math
Usage
dirichletAreas(X)
Arguments
X

Point pattern (object of class "ppp").

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.

Value

Numeric vector with one entry for each point of X.

See Also

dirichlet, dirichletVertices

Aliases
  • dirichletAreas
Examples
# NOT RUN {
 aa <- dirichletAreas(cells)
# }
Documentation reproduced from package spatstat, version 1.61-0, License: GPL (>= 2)

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