cart2clock {IDPmisc}R Documentation

Convert Cartesian Coordinates to Clock Coordinates

Description

Converts cartesian coordinates (x, y to clock coordinates (rho, phi)

Usage

cart2clock(x, y, circle)

Arguments

x, y Cartesian coordinates.
circle Defines the full circle in the units of phi.

Value

Data frame with

rho Distance of point from center of coordinate system.
phi Angle between North (12 o' clock), center and the point, measured clockwise.

Author(s)

Rene Locher

See Also

clock2cart, rose-class

Examples

## convert polar coordinates to cartesian coordinates
xy <- clock2cart(rho=rep(1,33),phi=seq(0,to=360,len=33),circle=360)

## convert the cartesian coordinates back to polar coordinates
rhophi <- cart2clock(xy$x,xy$y,circle=360)

round(clock2cart(rhophi,circle=360)-xy)
## QED

[Package IDPmisc version 1.0.01 Index]