spatstat (version 1.52-1)

layout.boxes: Generate a Row or Column Arrangement of Rectangles.

Description

A simple utility to generate a row or column of boxes (rectangles) for use in point-and-click panels.

Usage

layout.boxes(B, n, horizontal = FALSE, aspect = 0.5, usefrac = 0.9)

Arguments

B

Bounding rectangle for the boxes. An object of class "owin".

n

Integer. The number of boxes.

horizontal

Logical. If TRUE, arrange the boxes in a horizontal row. If FALSE (the default), arrange them in a vertical column.

aspect

Aspect ratio (height/width) of each box.

usefrac

Number between 0 and 1. The fraction of height or width of B that should be occupied by boxes.

Value

A list of rectangles.

Details

This simple utility generates a list of boxes (rectangles) inside the bounding box B arranged in a regular row or column. It is useful for generating the positions of the panel buttons in the function simplepanel.

See Also

simplepanel

Examples

Run this code
# NOT RUN {
  B <- owin(c(0,10),c(0,1))
  boxes <- layout.boxes(B, 5, horizontal=TRUE)
  plot(B, main="", col="blue")
  niets <- lapply(boxes, plot, add=TRUE, col="grey")
# }

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