R: Area of Map objects

geoarea {GEOmap} | R Documentation

## Area of Map objects

### Description

vector of areas of polygons in map

### Usage

    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>

[Package GEOmap version 2.4-0 Index]