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About Digital Art / Hobbyist Core Member Jonathan PearceMale/Australia Recent Activity
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Jonathan Pearce
Artist | Hobbyist | Digital Art
The terrain in Icelandic Fissures and the rock arch in Further Down the Coast use Voronoi patterns to mimic cracks far more realistically than Vue's built-in crack patterns (eg Sparse Cracks).

To experiment with this you need a version of Vue that gives you access to the Function Editor (eg any version above Esprit... or Pioneer + the appropriate upgrade package).


Take a Simple Fractal and change the Noise Type from default Perlin to Cellular -> Voronoi (not Voronoi Altitude or Generalised).

Edit the noise parameters and set Profile to "Spike" and Neighbour to one of the "x - y" types. "1st - 2nd" produces cracks less busy and complex than "3rd - 4th" with "2nd - 3rd" in-between.

Add an Opposite filter to the output.

Add a Smooth Clip filter to that and edit the Brightness and Contrast parameters (with the Function Node Preview window open so you can see what you're doing) such that just fissures show through the clipping threshold in V shapes. Brightness and Contrast should be used to change the shape of the cracks from sudden and sharp to ones with soft, complex round edges and, with low contrast and brightness, the bulbous lumpy overall shape normally associated with Voronoi patterns.

If your feeling crazy, add a Filter filter and apply an interesting curve to the crack.  

As cracks generally subtract from a level surface, set the Upper Clip of the Smooth Clip filter to 0 instead of 1, then you can Combine/Add Voronoi cracks into any function without the overall height of the output changing.

In the Simple Fractal node, experiment with Metascale, Roughness and the Largest Feature parameters (usually above 10) to get the frequency and roughness of cracks desired (bit of hit and miss there). Ticking the Rotation box generally produces spikier looking cracks.

Experiment and enjoy!

EDIT: improved neighbour type description and a few other things.
  • Listening to: IamX
  • Reading: Bill Bryson
  • Watching: This screen
  • Playing: Assassins Creed
  • Eating: Almonds
  • Drinking: Coffee



This asteroid was mined for its rich seam of naturally occurring Paisley before being completely destroyed in the soft furnishings war of 2090 by militant throw-rug barons.

(Mandelbulber 2.11, Msltoe fractal)

Beetle Shell
Tweaked Buffalo fractal, Mandelbulber 2.11. Small amount of HDR Blur and some postprocessing. Original is a 10k 16:9 render.
Oil Smoke Cloud Thing.
It's surprisingly hard to think of catchy titles! (Made with Mandelbulber 2.11 - a hybrid fractal based on Collatz)


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GLO-HE Featured By Owner Jun 12, 2017
thank-you for the watch! by vafiehya  Hug Hug 
Markkus76 Featured By Owner Jun 10, 2017  Hobbyist Traditional Artist
Thanks very much for the :+fav: on Hazy ardor
Have a good day.
staatsf Featured By Owner Jun 9, 2017
hi Jonathan
thank you for the fav
natalievonraven Featured By Owner Jun 5, 2017   Traditional Artist

Thank you for :+fav:ing "Duality"… :painter: Much appreciated! Have an awesome day! :wave:

R-Sva Featured By Owner May 30, 2017
Thank you for the +fav
Random007 Featured By Owner May 31, 2017  Hobbyist Digital Artist
Youre Welcome Llama Signs 
Paul-Henshaw Featured By Owner Nov 26, 2016
Many thanks for the fave's and the watch.
Random007 Featured By Owner May 31, 2017  Hobbyist Digital Artist
Youre Welcome Llama Signs 
firefysh1140 Featured By Owner Nov 25, 2016
Hi, Jonathan.
Thanks very much for the "Watch" and the favourites.
You have some lovely work here. :-)
Panthera1985 Featured By Owner Jun 22, 2015  Hobbyist General Artist
Thanks for the fave! :squee:
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