As an introduction to more complex manipulations, the first lab work had us proceed to basic image enhancement techniques - especially a "stretch" of the recorded Digital Number values (DN values) histogram    -->

<--  Six ground control points have been collected around Morgantown; their GPS coordinates enabled us to "pin" the distorted image from the raw satellite image onto the UTM map, thus reshaping objects such as Morgantown airport  --> 
into their true aspect.

Landsat images of a geologically altered area provided our support for band ratios enhancement: on this composite image, the central silicified core stands out in blue thanks to a band1/band5 ratio against the opalized regions -->

# Supervised classification

<--  The preceding image is the result of a minimum distance assignment of the pixels to nine different cover classes; these ones were manually defined on selected training sites ranging from gob piles to pastures. Softwares can hardly identify shapes, still they can be assisted in distinguishing patterns statistically through colors.

Directly out of Dr. Warner's tortuous imagination, this ultimate challenge had us investigate on May 1986 images of the plant by studying both the reactors' radiation and the cooling reservoir's homogeneity as for water temperature.

..the zoomed reactor on the right shows quite an intensive radiating activity indeed -->