# dirichletAreas

From spatstat v1.55-1
by Adrian Baddeley

##### Compute Areas of Tiles in Dirichlet Tessellation

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"`

).

##### 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

##### Examples

```
# NOT RUN {
aa <- dirichletAreas(cells)
# }
```

*Documentation reproduced from package spatstat, version 1.55-1, License: GPL (>= 2)*

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