volcano R Documentation

## Topographic Information on Auckland's Maunga Whau Volcano

### Description

Maunga Whau (Mt Eden) is one of about 50 volcanos in the Auckland volcanic field. This data set gives topographic information for Maunga Whau on a 10m by 10m grid.

### Usage

volcano

### Format

A matrix with 87 rows and 61 columns, rows corresponding to grid lines running east to west and columns to grid lines running south to north.

### Source

Digitized from a topographic map by Ross Ihaka. These data should not be regarded as accurate.

filled.contour for a nice plot.
require(grDevices); require(graphics)