Description Usage Arguments Details Value Author(s) See Also

Provides coordinates for one pie chart, this function must be iterated to produce several pies.

1 |

`center` |
The geographical position of the pie as c(lon, lat) in decimal degrees. |

`obs` |
Vector of numerical and non-negative quantities that will be displayed as the pie slices (typically produced using table()). |

`nedges` |
The number of desired edges (3 -> triangle, 4 -> square, etc). |

`radius` |
The pie radius (in meters). |

`orient` |
The rotation factor of the fig (in degrees). |

`diag` |
Produce diagnostic plot for checking purposes (True or False). |

This function is wrapped within Pies2GE; see below.

Provides an array of coordinates for drawing the pie chart as polygons (lines = points delimiting the pie sectors, columns = sector number, lon, lat in decimal degrees).

Nils Arrigo, [email protected] 2012 EEB, the University of Arizona, Tucson

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