private ILayer getNoise(ILayer input)
{
var rand = new Rand(123456);
var v = new PerlinNoise(new NoiseParameters()
{
FromDepth = 1,
ToDepth = 7,
Amplitude = .8f,
BaseAmplitude = 1,
Lacunarity = 2.5f,
Random = rand
}
);
return(v.Do(input.Resolution));
}