watch out for charley’s girl

A recent conversation on the tomcat mailing list … brien >> Alan . A great article, referenced.

x-frequency
y-frequency
 

0.005
N/A

0.01
N/A

0.02
N/A

0.04
N/A

0.08
N/A

0.16
N/A

0.32
N/A

0.005
0.005

0.01
0.01

0.02
0.02

0.04
0.04

0.08
0.08

0.16
0.16

0.32
0.32

0.02
0.16

0.01
0.08

[generated using 8 bits of randomness, using a phase of 0.0137; any non-zero phase should give similar results]
[amplitude = noise(i * step * freq + phase)]
The perceived frequency is frequency * step_size. These images were generated with step_size=1 (i.e. each pixel is one step apart). Of course, if your step size is A, divide the [...]