Panchromatic satellite data currently have spatial resolutions of 2.0 (SPIN), 5.8 m
(Indian Remote Sensing Satellite, IRS) and 10 m (Satellite Pour' Observation de la Terre,
SPOT), and these data are valuable to deduce the location of roads, canals, ditches and
boundaries of individual fields, and small command areas. Black and white panchromatic
images are useful for describing cartographical changes due to construction and
encroachment of built-up areas or deserts. Crop identification at small farm plots
(