Cymatics vs Generative Art
サイマティクス / ジェネラティブアート
Cymatics comes from Diagrammatic Expression and Generative Art from Digital Art. They are reached for with some of the same intent, which is where they get confused.
Cymatics
The experiment of seeing sound as a pattern in matter, beginning with the Chladni figures that sand draws on a vibrating plate. Each frequency brings out its own geometry, which makes this the oldest device for witnessing how sound and form correspond.
Generative Art
A way of working in which the maker writes only the rule and the randomness, leaving the drawing to the machine. As in Nees's plotter work, the result is shown as several variants born of one rule.
| Cymatics | Generative Art | |
|---|---|---|
| Era | 1787– | 1965- |
| Family | Diagrammatic Expression | Digital Art |
| Kind | Technique | Technique |
| Cues | Chladni figures / Standing waves in sand and powder / A pattern for every frequency / The directness of the apparatus | One simple element repeated to fill the field / Variants of a single rule shown side by side / Repetition drifting in angle and position / A density and precision no hand could reach |
| Best used for | Building an exhibit of sound where the apparatus is part of the show · Letting people grasp the link between frequency and form by experience | Letting a machine make identifiers or one-off tickets that must all differ · Exhibitions or works where designing the rule is what is on show |
| Type | Fine dry powder, spread as a single thin layer on the plate | Letters handled as coordinates and repetitions with the face itself fixed |
| Composition | Center the clamped point, view from where symmetry appears | Seed and random range set, outputs laid side by side to inspect the spread |
| Material | An even metal plate or membrane, raking light to raise pattern | Lines assumed at a plotter's constant weight, tone made by overlap density |
| Caution | Sweeping the frequency for a good looking video never lets a figure settle, and the central claim about sound and form fails to land. | A random range set too wide widens the gap between good and bad results and leaves a pile of output instead of a work. |