31:[] 2f:{"title":"Agitated SVG Circle Study","cells":[{"id":0,"value":"md`# Agitated SVG Circle Study\nref: https://observablehq.com/@d3/d3-lineradial\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":4,"value":"chart = {\n const path = i => line(i)(data);\n\n // filter ref: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/feMergeNode\n // \n // \n // \n // \n // \n // \n // \n // \n return svg``;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":96,"value":"viewof numCirles = slider({ min: 1, max: 10, value: 2, step: 1 })","pinned":true,"hidden":false,"mode":"ojs"},{"id":104,"value":"viewof frequency = slider({ min: .01, max: 5, value: .3 })","pinned":true,"hidden":false,"mode":"ojs"},{"id":108,"value":"viewof amplitude = slider({ min: 1, max: 100, value: 10 })","pinned":true,"hidden":false,"mode":"ojs"},{"id":113,"value":"viewof speed = slider({ min: .5, max: 5, value: 1 })","pinned":true,"hidden":false,"mode":"ojs"},{"id":147,"value":"baseR = 120","pinned":true,"hidden":false,"mode":"ojs"},{"id":192,"value":"Array.from({ length: numCirles })","pinned":true,"hidden":false,"mode":"ojs"},{"id":134,"value":"line = i =>\n d3\n .lineRadial()\n .angle(d => d)\n .curve(d3.curveCardinalClosed)\n .radius(\n d =>\n baseR +\n rScale(\n simplex.noise3D(\n Math.cos(d * i) * frequency,\n Math.sin(d * i) * frequency,\n // i + 3\n (i * now) / 5500\n )\n )\n )\n// .radius(d => baseR + rScale(simplex.noise2D(d * i * frequency, now / 5500)))","pinned":true,"hidden":false,"mode":"ojs"},{"id":127,"value":"rScale = d3\n .scaleLinear()\n .domain([0, 1])\n .range([-amplitude, amplitude])","pinned":true,"hidden":false,"mode":"ojs"},{"id":28,"value":"height = 500","pinned":true,"hidden":false,"mode":"ojs"},{"id":35,"value":"circleSegments = 60","pinned":true,"hidden":false,"mode":"ojs"},{"id":32,"value":"data = Array.from(\n { length: circleSegments },\n (d, i) => (i / (circleSegments + 1)) * 2 * Math.PI\n)","pinned":true,"hidden":false,"mode":"ojs"},{"id":39,"value":"simplex = new noise()","pinned":true,"hidden":false,"mode":"ojs"},{"id":17,"value":"md`\n# Libraries and Data\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":9,"value":"d3 = require(\"d3\")","pinned":false,"hidden":false,"mode":"ojs"},{"id":15,"value":"noise = require(\"simplex-noise@2\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":11,"value":"import { slider } from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W31","stdlib":"1","titling":"auto"}