GRASS Logo

GRASS Help System


digital imagery - Any imagery can be represented in digital form so that the pattern of the image brightnesses forms an array of numeric values. In their digital form, these brightnesses (aka, spectral reflectance values) can then be treated as numeric values so that they can conveniently be added, subtracted, multiplied, divided, and in general, statistically manipulated in ways that are difficult or impossible were the image presented in a pictorial format.


GRASS Help

GRASS Documentation

GRASS WWW Home


Please use your browser buttons to navigate this documentation!
Automatically created on: Thu Jan 15 17:47:15 2004