regularpolygon

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Create A Regular Polygon

Create a window object representing a regular (equal-sided) polygon.

Keywords
spatial, datagen
Usage
regularpolygon(n, edge = 1, centre = c(0, 0), …,
               align = c("bottom", "top", "left", "right", "no"))

hexagon(edge = 1, centre = c(0,0), …, align = c("bottom", "top", "left", "right", "no"))

Arguments
n

Number of edges in the polygon.

edge

Length of each edge in the polygon. A single positive number.

centre

Coordinates of the centre of the polygon. A numeric vector of length 2, or a list(x,y) giving the coordinates of exactly one point, or a point pattern (object of class "ppp") containing exactly one point.

align

Character string specifying whether to align one of the edges with a vertical or horizontal boundary.

Ignored.

Details

The function regularpolygon creates a regular (equal-sided) polygon with n sides, centred at centre, with sides of equal length edge. The function hexagon is the special case n=6.

The orientation of the polygon is determined by the argument align. If align="no", one vertex of the polygon is placed on the \(x\)-axis. Otherwise, an edge of the polygon is aligned with one side of the frame, specified by the value of align.

Value

A window (object of class "owin").

See Also

disc, ellipse, owin.

hextess for hexagonal tessellations.

Aliases
  • regularpolygon
  • hexagon
Examples
# NOT RUN {
  plot(hexagon())
  plot(regularpolygon(7))
  plot(regularpolygon(7, align="left"))
# }
Documentation reproduced from package spatstat, version 1.57-1, License: GPL (>= 2)

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