as.data.frame.tess

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Convert Tessellation to Data Frame

Converts a spatial tessellation object to a data frame.

Keywords
methods, spatial
Usage
# S3 method for tess
as.data.frame(x, …)
Arguments
x

Tessellation (object of class "tess").

Further arguments passed to as.data.frame.owin or as.data.frame.im and ultimately to as.data.frame.default to determine the row names and other features.

Details

This function converts the tessellation x to a data frame.

If x is a pixel image tessellation (a pixel image with factor values specifying the tile membership of each pixel) then this pixel image is converted to a data frame by as.data.frame.im. The result is a data frame with columns x and y giving the pixel coordinates, and Tile identifying the tile containing the pixel.

If x is a tessellation consisting of a rectangular grid of tiles or a list of polygonal tiles, then each tile is converted to a data frame by as.data.frame.owin, and these data frames are joined together, yielding a single large data frame containing columns x, y giving the coordinates of vertices of the polygons, and Tile identifying the tile.

Value

A data frame with columns named x, y, Tile, and possibly other columns.

See Also

as.data.frame.owin, as.data.frame.im

Aliases
  • as.data.frame.tess
Examples
# NOT RUN {
  Z <- as.data.frame(dirichlet(cells))
  head(Z, 10)
# }
Documentation reproduced from package spatstat, version 1.59-0, License: GPL (>= 2)

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