Web developer and autodidact with an interest in creative coding.
ThrottleSearch Query TokenizationCompiling a regex from stringsPure CSS TreeThe Fed - FOMC Projections DataTerraform Registry SearchLots of DotsExporting Your DuckDB Databasesflyctl DocsHTML to MarkdownD3 Documentation IndexThrottling Function CallsWeb Page MetadataPatched ImportsDeconstructing a NotebookDiscrete Sibson InterpolationEdge Distance in Regular PolygonsUsing A Vega-Lite Chart As Input WidgetfindTriangle() for D3.Delaunay and DelaunatorTransparent Color WidgetCanvas Outlines: Stroke vs FillEases On EdgeConverting Between Keyboard LayoutsD3 Force Along a PathInverted Luminosity(Attempt at) Embedding a Video Into an SVGForce Graph TrailsTitle TransliterationOptimal TilingVega-Lite, UnminifiedNotebook Version UUIDImproving Animations Through Motion BlurWatermarkQuerying the npm registryStitched EasingsDynamic Notebook LinksMapping Color Scales with SVG FiltersGoogle Maps Cost CalculatorEncoding Data In ImagesZdog HelpersUsing CodePens in ObservableLook What The Cat Dragged InAdobe Swatch Exchange ExporterPolygon Sine WaveSVG Single Path GridColor Blending Is BrokenIntersection ArcsPer-Layer Fadeout In 2D CanvasVoronoi BorderlandsEmbedding a canvas into an SVGEmbedding Fonts Into An SVGVersion Pinning for NotebooksSplitting LinesEasing In Multiple Steps
Pixel Probing
/*
function render(imgData, w, h, ox = .5, oy = .5) {
const ds = new Uint32Array(imgData.data.buffer);
const dt = new Uint32Array(w * h);
const fn = (v, s, o) => lerp(...segment(v, s), o);
const fnx = v => fn(v, w, ox);
const fny = v => fn(v, h, oy);
for(let i0 = 0; i0 < ds.length; i0++) {
const x0 = (i0 % w) / w * 2 - 1;
const y0 = (i0 / w | 0) / h * 2 - 1;
const x1 = clamp(0, w-1, Math.round((fnx(x0) * .5 + .5) * w));
const y1 = clamp(0, h-1, Math.round((fny(y0) * .5 + .5) * h));
const i1 = x1 + y1 * w;
dt[i0] = ds[i1];
}
const c = DOM.context2d(w, h, 1);
c.putImageData(new ImageData(new Uint8ClampedArray(dt.buffer), w), 0, 0);
return c.canvas;
}
*/
/*
// Remainder and floor.
const rx = x % s, fx = (x / s | 0) * s;
const ry = y % s, fy = (y / s | 0) * s;
// Offset switches.
const mx = ((x / s | 0)) % 2;
const my = ((y / s | 0)) % 2;
const tx = mod(fx + (mx ? s - rx : -s + rx) + cx, w);
const ty = mod(fy + (my ? s - ry : -s + ry) + cy, h);
const ti = tx + ty * w;
dt[i] = ds[ti];
*/
/*{
const cols = 10, rows = 10;
const w = 3, h = 3, s = 10;
const samples = [];
for(let y = 0; y < rows; y++) {
for(let x = 0; x < cols; x++) {
const tx = x/(cols-1), ty = y/(rows-1);
const c = render(imgData, w, h, tx, ty);
c.style.imageRendering = 'pixelated';
c.style.width = `${w*s}px`;
c.style.margin = '2px';
samples.push(c);
}
}
return html`<div style="display:grid;grid-template-columns:5">${samples}`;
}*/
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