volcano {datasets} | 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.
See Also
filled.contour
for a nice plot.
Examples
require(grDevices); require(graphics)
filled.contour(volcano, color.palette = terrain.colors, asp = 1)
title(main = "volcano data: filled contour map")
[Package datasets version 4.4.1 Index]