Area of Map objects

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Description

vector of areas of polygons in map

Usage

1
geoarea(MAP, proj=NULL, ncut=10)

Arguments

MAP

Map structure

proj

projection

ncut

minimum number of points in polygon

Details

Uses splancs function. If proj is NULL then the project is reset to UTM spherical for each element seperately to calculate the area in km. ncut is used to eliminate area calculations with strokes less than the specified number.

Value

vector of areas

Note

areas smaller than a certain tolerance are NA

Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

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