get.nb

From RArcInfo v0.4-12 by Virgilio G�mez-Rubio

Function for calculating neighbouting polygons.

This function allows the user to calculate, for every given polygon (in the array 'index'), the list of its neighbouring polygons.

Keywords: file

Usage

get.nb(arc,pal, index=NULL)

Arguments

arc: The list of arc definitions, as returned by 'get.arcdata'.
pal: The list of polygon definitions, as returned by 'get.paldata'.
index: An array with the polygons we want to use to calculate their neighbours. It must be an array. If 'index' is not set, then all the polygons are used.

Value

A list in which the first element is a vector of the neighbouring polygons of the fist element in 'index', and so on.

Documentation reproduced from package RArcInfo, version 0.4-12, License: GPL (>= 2)

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