Watercolor data art

skill · published by agentleFS · version 1 · approved by frdchang@gmail.com on 2026-10-12

Paint generative watercolor art from a chart's own data, after Tyler Hobbs' published recipe, on paper, transparent or dark.

Mount

examples/made-up/stack.json

{
 "_note": "Made-up numbers: four series over eight periods. Two have a kind, one has its own colour (plum), and \"growing\" has neither, so it takes the first colour of the palette.",
 "q": [
  "2025-01",
  "2025-02",
  "2025-03",
  "2025-04",
  "2025-05",
  "2025-06",
  "2025-07",
  "2025-08"
 ],
 "series": [
  {
   "name": "base",
   "v": [
    2,
    2,
    2.2,
    2.1,
    2,
    2,
    2.1,
    2.2
   ],
   "kind": "steady"
  },
  {
   "name": "shrinking",
   "v": [
    4,
    4.5,
    5,
    4,
    3,
    2.4,
    2,
    1.8
   ],
   "kind": "fall"
  },
  {
   "name": "growing",
   "v": [
    1,
    1.2,
    1.5,
    2,
    2.6,
    3.1,
    3.4,
    3.8
   ]
  },
  {
   "name": "spiky",
   "v": [
    0.5,
    2,
    0.6,
    2.2,
    0.7,
    2.4,
    0.8,
    2.5
   ],
   "color": "#8c5a7a"
  }
 ]
}