Description Usage Arguments Examples

View source: R/functions.r View source: R/polar2cart.r

Converts polar co-ordinates to the cartesian system.

1 | ```
polar2cart(x, y, dist, bearing, as.deg = FALSE)
``` |

`x` |
The X cartesian co-ordinate of the point of origin. |

`y` |
The y cartesian co-ordinate of the point of origin. |

`dist` |
The distance (m) of each point from the point of origin. |

`bearing` |
The polar bearing of each point to convert. |

`as.deg` |
Logical. If true the polar bearing is in degrees. |

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ```
## Close any previously open graphic devices
graphics.off()
## Load the data
data(fluxes)
## Set the point of origin
x=0;y=0
## Use wind direction, distance and distance from the tower to convert
## to cartesian co-ordinates
pol<-polar2cart(x,y,fluxes$x_90.,fluxes$wind_dir,as.deg=TRUE)
## Plot the distance from the tower
plot(pol,xlab='X (m)',ylab='Y (m)',pch=16,cex=0.6)
## Add also the tower point
points(0,0,col=2,pch=16,cex=1.2)
``` |

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