createCircle: createCircle

In duccioa/sptools: Tools for editing, creating or converting "sp" spatial objects

Description

This function creates a an approximation of a circle as a SpatialPolygons object.

Usage

createCircle(x,y,r,start=0,end=2*pi,nsteps=20)

Arguments

x, y	The coordinates of the center of the circle.
r	The radius of the circle.
start	Angle of the start points in radiants.
end	Angle of the end points in radiants.
nsteps	Number of edges of the polygon approximating the circle.

Examples

# Plot a circle with origin 0,0 and radius 1
library("sp", "sptools")
plot(createCircle(0,0,1))

duccioa/sptools documentation built on May 3, 2019, 1:48 p.m.