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 registryDynamic Notebook LinksPixel ProbingMapping 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
Stitched Easings
steps = [
{weight: 5, color: 'SpringGreen', ease: d3.easeSinInOut},
{weight: 12, color: 'Gold', ease: t => .5 + .5 * (1-t) * Math.cos(t**2 * Math.PI*20)},
{weight: 8, color: 'Tomato', ease: t => .5 + .3 * d3.easeElasticInOut(t)},
{weight: 4, color: 'Aquamarine', ease: t => .8},
{weight: 2, color: 'DeepSkyBlue', ease: t => .8 - .8 * d3.easePolyInOut(t)},
]
function weightedOffset(t, weights) {
const max = weights.reduce((sum, v) => sum + v, 0),
current = max * t,
l = weights.length - 1;
let i = 0, o = 0;
while(i < l && o + weights[i] < current) o += weights[i++];
return [i, (current - o) / weights[i]];
}
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.