NCI Chromatic Helpfile

Results are presented with an Image of the region of interest entered by the user in the Position and a dashboard interface for moving and zooming around the genome.

A tutorial is available here

Please note, Nucleotides from short reads that do not match the reference (aka "mismatches") are in these colors:
A C G T Ins Del 
A = adenine
C = cytosine
G = guanine
T = thymine
Ins = insertion
Del - deletion

Typical Results look like this ...
chromatic help