polar2cart: Convert Polar Coordinates To Cartesian Coordinates

In ecology-rocks/disperseR: Calculating Spatial Seed Dispersal Rates

Description

This function converts polar coordinates to cartesian coordinates. It needs an origin (x,y), as well as an individual number or vector of numbers for distance and bearing.

Usage

polar2cart(x, y, dist, bearing, as.deg = TRUE, rnd = NA)

Arguments

x	The origin x-coordinate. Numeric.
y	The origin y-coordinate. Numeric.
dist	A number or vector of numbers of distances from the origin.
bearing	A number or vector of numbers representing the degrees away from the origin. This follows traditional polar coordinates, with 0 at "east", 90 at "north", etc.
as.deg	Default set to true, if false, then the program assumes that "bearing" is entered in radians instead of degrees.
rnd	The rounding value. Default is NA, for no rounding. Set to 0 for integers, 1 for 1 decimal point, etc.

Value

This function returns a list with "x" and "y" coordinates for the polar coordinates entered.

Examples

polar2cart(1, 1, 2, 90)
polar2cart(1,1,c(2,2,2),c(90,180,270) )

ecology-rocks/disperseR documentation built on May 15, 2019, 7:58 p.m.