Steve Jackson Games Forums Simulating plate tectonics using Voronoi polygons
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11-27-2020, 04:52 AM   #2
Daigoro

Join Date: Dec 2006
Re: Simulating plate tectonics using Voronoi polygons

Quote:
 Originally Posted by thrash The interesting part for world-building comes about two-thirds of the way down, where the article talks about exceptions to the cubic result. It appears that tectonic plates (on Earth, anyway) follow other types of expansion fractures in forming Voronoi polygons rather than squares or rectangles.
I was expecting you to say that it's all hexagrams.
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11-27-2020, 06:22 AM   #3
Emerald Cat

Join Date: Oct 2015
Location: Cincinnati, OH, USA
Re: Simulating plate tectonics using Voronoi polygons

Quote:
 Originally Posted by thrash 2. Use a Voronoi algorithm to map the plate boundaries (more challenging on a sphere, but doable). [...] If someone with programming kung fu takes a stab at this, please post a link to your results here. Likewise, if there is a world-building software package that does this already, please let us know.
I'm not convinced that you need to pay attention to the spherical nature of the globe when using this approach to world building. Most GMs are not going to be handing out globes to their players. You could get away with constructing your Voronoi polygons entirely in 2d space.

I found a link to construct a Voronoi diagram by hand: https://www.instructables.com/Hand-Drawn-Voronoi-Diagrams/.

SciPy has a module for constructing Voronoi diagrams. The main challenge looks like it will be exporting the Voronoi diagram to the program that you intend to use for making your map. It looks like you will need to plot the Voronoi polygons and then save them as an image.

 12-02-2020, 12:40 PM #4 Anaraxes   Join Date: Sep 2007 Re: Simulating plate tectonics using Voronoi polygons Of course the d6 is the fundamental basis of reality. That truth has already been revealed to us. There is no Fnord but Fnord, and Steve Jackson is his Intelligent Designer.

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