eRoDe Generative Art
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| eRoDe 1 |
eRoDe
I conceived of a simple image in my mind that was a rounded rectangle with a wavy contour that would be gradually eaten away over a succession of images, to convey a sense of erosion. I started with the name erosion which I shortened to erode; erode is an interesting word when viewed visually, as it is nearly an anagram/symmetrical. I realized that a camelback version of the word erode (written as eRoDe) was perfect because it conveyed the semantic and graphical sense of the art, and in fact it's a one word concrete poem.
I created a function that would enable me to generate a rounded rectangle with various dimensions and rounded corners, the points of which will serve as the skeleton. A generative aspect of the function is that it allows for random variation in the length width and radii of the corners.
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| screenshot from vpype viewer of a rounded rectangle function output serving as the skeleton of eRoDe |
I sample points along this contour and add some noise to shift their center points slightly. I draw concentric circles as a polyline created by sampling points from a circle of a given radius and connecting those with a short lines. Second, I make connecting lines between overlapping circles, to decrease servo motion required. With each iteration of erosion, I random delete some of the circles, and their radii decrease in a defined manner. I opened a couple of output svgs in Inkscape and split into three files and plotted with 3 shades of blue or red.
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| close up view of an area of eRoDe 1 |
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| eRoDe 2 |
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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