DESCRIPTION

Patch relevance for Euclidean Nearest Neighbor patches.

r.pi.enn.pr computes distance and area differences for the first NN after removal of patch i.

NOTES

The keyval operator determines which category value is taken for the Patch Index analysis.

The method operators determine what measure is applied on the nth NN (area or distance).

Differences of distance/area after removal of patch i are provided as output as well as the amount of patches to be affected by its removal (percent) (PP) and the amount of area in these patches (PA - Percent Area)

EXAMPLE

An example for the North Carolina sample dataset:

Analysing the differences (average) in distance when patch i of class 5 is removed: 

r.pi.enn.pr input=landclass96 output=dist_iter keyval=5 method=distance statmethod=average

SEE ALSO

r.pi.index, r.pi.enn, r.pi.fnn, r.pi.searchtime.pr, r.pi

AUTHORS

Programming: Elshad Shirinov
Scientific concept: Dr. Martin Wegmann
Department of Remote Sensing
Remote Sensing and Biodiversity Unit
University of Wuerzburg, Germany

Port to GRASS GIS 7: Markus Metz

Last changed: $Date$