# gray scale for vorticity

# Mike Dixon, April 1991

-0.1 		-0.01 		#111
-0.01		-0.005 		#222
-0.005		-0.001		#333
-0.001		-0.0005		#444
-0.0005		-0.0001 	#555
-0.0001		-0.00005	#666
-0.00005	-0.00001	#777
-0.00001	0.00001		#888
0.00001		0.00005		#999
0.00005		0.0001		#aaa
0.0001		0.0005		#bbb
0.0005		0.001		#ccc
0.001		0.005		#ddd
0.005		0.01		#eee
0.01		0.01		#fff