heather: Diggle's Heather Data
Description
The spatial mosaic of vegetation of the heather plant
(Calluna vulgaris) recorded in a 10 by 20 metre
sampling plot in Sweden.format
A list with three entries, representing the same data at
different spatial resolutions:
ll{
coarse
original heather data, 100 by 200 pixels
medium
current heather data, 256 by 512 pixels
fine
finest resolution data, 778 by 1570 pixels
}
Each of these entries is an object of class "owin"
containing a binary pixel mask.source
Peter Diggle