Technique · Fields

Fractal tree

A dense branching tree drawn by folding space: thousands of branches from a dozen iterations.

Fractal tree is a field drawn for every pixel by the graphics chip. Every piece on Synapse Drip is made from a recipe that layers techniques like this one, and you can change any of it in the Studio.

Good to know

  • Benoit Mandelbrot coined the word fractal in 1975, from the Latin fractus, broken.
  • A tree crown spreads to fill the light that its neighbours leave, so its shape is half rule and half circumstance.
  • Lungs, rivers and lightning branch like trees because branching is an efficient way to reach an area from a single source.
  • Leonardo da Vinci noted that the branches of a tree, added together, are as thick as its trunk.
  • A fractal looks the same at every scale: here each branch is a smaller copy of the whole tree.

The mathematics

  • After 12 rounds of splitting in two, a tree has up to 2^12 = 4,096 tips.
  • If each round shrinks the branches by the same factor, the lengths form a geometric series, so the tree has a finite height even if it branches forever.

In art

  • Klimt's Tree of Life, designed around 1909 for the Stoclet Palace in Brussels, shows a tree turned into spiralling ornament.
  • Between about 1908 and 1913 Piet Mondrian painted a series of trees, reducing them step by step to a lattice of lines.

More ways to use it

Related techniques

Nebula and stars · Liquid · Droplets · Network · Terrain and maps · Neuron · Order to chaos · Radiolarian shell

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