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Lacunarity scales the layers of a fractal texture relative to each other.
All components that have a Lacunarity control available are fractal textures. Fractal textures consist of multiple layers of a self-similar patterns scaled to different sizes and then combined using
different methods.
Lacunarity controls relative scales of these texture patterns. If you set the Lacunarity to zero, all of the texture layers will be the same scale. As you raise Lacunarity, the layers will scale smaller by increasing amounts for each layer. Figure F1 shows the Tech component with, from left to right, 0%, 25%, and 50% Lacunarity settings. Tech has very clear layers so it's easy to see the smaller layers of the fractal scale down.
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Components with Lacunarity often generally have a second control called Lacunarity Lock. When enabled, this
control forces the top layer of the fractal pattern to not scale. When the Lacunarity Lock is off, all layers of the
fractal texture are scaled. By default, the lock is always on because it makes adjusting Lacunarity more visually
obvious. You can more easily see the other layers of the fractal pattern scale when the largest layer of the pattern stays still.
So why would you want to turn off the Lacunarity Lock? With the Lacunarity Lock on, the largest layer of the
fractal doesn't scale at all which looks ok if you are doing even scaling. If you link Lacunarity to another component however, you will get much better results with the Lock off. This way the top layer is free to scale
with the other layers of noise. Linking Lacunarity to other texture patterns can be a useful method of creating new texture patterns. Figure F2 shows a couple examples.
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