The Music of the Spheres
Fronkonstin
by @aschinchon
1y ago
Tweet He himself could hear the harmony of the Universe, and understood the music of the spheres, and the stars which move in concert with them, and which we cannot hear because of the limitations of our weak nature (Porphyry, Life of Pythagoras) I love legends. The life of Pythagoras is riddled with them: from the discoverie of consonant intervals in music while walking past a forge to how give death to his disciple Hippasus throwing him overboard a ship after this one proved the existence of irrational numbers. My favorite is the one that heads this post: it is said that Pythagoras could h ..read more
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The Mondrianomies
Fronkonstin
by @aschinchon
2y ago
Tweet The Moonies are up on their mountain, the lunatics have taken over the asylum, waiting on the rapture (The Daily Mail, Radiohead) I have not write any post lately, maybe because I have been quite busy with other unexpected project or maybe because I am going through a deep creative crisis. Whatever the reason, I have decided to resume my activity with Fronkonstin. Paraphrasing Picasso, inspiration will find me working when it comes. Mondrianomies are the evolution of this previous project. To adapt outputs to neoplasticism assumptions I only use right angles and primary colors. This is ..read more
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Neighborhoods: Experimenting with Cyclic Cellular Automata
Fronkonstin
by @aschinchon
3y ago
Tweet On candy stripe legs the Spiderman comes, softly through the shadow of the evening sun (Lullaby, The Cure) Cellular automata are an inmense source of artistical images. Today, I experimented with Cyclic automata, which are ruled with these simple rules: Create a grid of cells. Give a state to each cell randomly; states a numbers between 0 and M-1 (you choose the value of M previously). For each cell, count how many of its neighbouring cells have their state value exactly 1 unit greater than the cell’s state. If the resulting number is greater than a certain thresold (that you also cho ..read more
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Abstractions
Fronkonstin
by @aschinchon
3y ago
Tweet Spinning on that dizzy edge (Just Like Heaven, The Cure) This post talks about a generative system called Physarum model, which simulates the evolution of a colony of extremely simple organisms that, under certain environmental conditions, result into complex behaviors. Apart from the scientific interest of the topic, this model produce impressive images like this one, that I call The Death of a Red Dwarf: You can find a clear explanation of how a physarum model works in this post, by Sage Jenson. A much deeper explanation can be found in this paper by Jeff Jones, from the University ..read more
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Watercolors
Fronkonstin
by @aschinchon
3y ago
Tweet Moça do corpo dourado Do Sol de Ipanema O seu balançado É mais que um poema (Garota de Ipanema, João Gilberto) Sometimes I think about the reasons why I spend so many time doing experiments and writing my discoveries in a blog. Even although the main reason to start this blog was some kind of vanity, today I have pretty clear why I still keep writing it: to keep my mind tuned. I really enjoy looking for ideas, learning new algorithms, figuring out the way to translate them into code and trying to discover new territories going a step further. I cannot imagine my life without coding. Ma ..read more
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Monsters
Fronkonstin
by @aschinchon
3y ago
Tweet Ooh, see the fire is sweepin’ Our very street today Burns like a red coal carpet Mad bull lost its way (Gimme Shelter, The Rolling Stones) After following this easy tutorial, you will be able to create tiled images from a photograph. You may want to use your own portrait or some other as I did. I use geom_tile: one of my preferred geometries of ggplot, which was the one I used in some other experiments like space invaders or Newton’s fractals. I used original photos from some of the most terrific monsters of the cinema: Frankenstein, Dracula and The Mummy. I love how rough squares crea ..read more
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Reaction Diffusion
Fronkonstin
by @aschinchon
3y ago
Tweet Sin patria ni banderas, ahora vivo a mi manera; y es que me siento extranjero fuera de tus agujeros (Tercer movimiento: Lo de dentro, Extremoduro) The technique I experimented with in this post is an endless source to obtain amazing images. It is called reaction-diffusion and simulates the evolution of a system where several substances interact chemically transforming into each other (reaction) and spreading out over a surface in space (diffusion). In my case there are just two substances in a 2D space and the evolution of system is simulated using the Gray-Scott algorithm which is rul ..read more
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The Chaos Game: an experiment about fractals, recursivity and creative coding
Fronkonstin
by @aschinchon
3y ago
Tweet Mathematics, rightly viewed, possesses not only truth, but supreme beauty (Bertrand Russell) You have a pentagon defined by its five vertex. Now, follow these steps: Step 0: take a point inside the pentagon (it can be its center if you want to do it easy). Keep this point in a safe place. Step 1: choose a vertex randomly and take the midpoint between both of them (the vertex and the original point). Keep also this new point. Repeat Step 1 one more time. Step 2: compare the last two vertex that you have chosen. If they are the same, choose another with this condition: if it’s not a nei ..read more
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Colonizing Franky
Fronkonstin
by @aschinchon
3y ago
Tweet Y otra vez me arranco despacito, al sentir que nada necesito (Locura transitoria, Extremoduro) One of my favorite sites in the Internet is algorithmic botany . It’s always a source of inspiration for me. I recently discovered there the space colonization algorithm, concretely in this paper. Originally, the algorithm was developed to simulate leaf venation patterns as well as the branching structure of trees and it works by simulating the competition for space between growing veins (or branches). Given a initial set of attractor points (3.000 points in my case), and a initial node (also ..read more
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Clustering Frankenstein
Fronkonstin
by @aschinchon
3y ago
Tweet Necesito para estar sentado, un arbolito en este descampado (Desarraigo, Extremoduro) From time to time I come back to experiment with this stunning photograph of Boris Karloff as Frankenstein’s monster. I have done several of them previously: from decomposing it into Voronoi regions, to draw it as a single line portrait using an algorithm to solve the travelling salesman problem. I also used this last technique to do a pencil portrait of the image. Today I will use a machine learning algorithm to reinterpret the monster once again. Concretely, I will use hierarchical clustering to do ..read more
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