methods.distfun

From spatstat v1.21-0 by Adrian Baddeley

Methods for Distance Functions

Methods for objects of the class "distfun".

Keywords: methods, spatial

Usage

## S3 method for class 'distfun':
contour(x, \dots)
## S3 method for class 'distfun':
persp(x, \dots)
## S3 method for class 'distfun':
plot(x, \dots)
## S3 method for class 'distfun':
print(x, \dots)

Arguments

x: Object of class "distfun" representing a distance function.
...: Named arguments controlling the plot. See Details.

Details

These are methods for the generic functions print, plot, contour and persp for the class "distfun" of distance functions. See distfun for explanation about this class. The print method prints a description of the domain of the distance function and the spatial object of which it is the distance function. Any additional arguments ... are ignored. The plot, contour and persp methods first convert x to a pixel image object using as.im, then display it using plot.im, contour.im or persp.im. Additional arguments ... are either passed to as.im.function to control the spatial resolution of the pixel image, or passed to contour.im, persp.im or plot.im to control the appearance of the plot.

Value

NULL.

Examples

data(letterR)
   f <- distfun(letterR)
   contour(f)
   contour(f, W=owin(c(1,5),c(-1,4)), eps=0.1)

Documentation reproduced from package spatstat, version 1.21-0, License: GPL (>= 2)

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