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Feb 13, 2023
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Contour Labels (canvas)Coordinated mapsgeoformatSmall circle testKruskal MazeAll the geoshapesReprojecting Vector TilesCloud ContoursHello h3-jsClipping AlbersTranslucent EarthThe truth about the Mercator projectionUsing d3-inertia with observableMercator projection of a Mercator globeD3 Vector Tiles (WIP)Finding intersections between the graticule and the clip sphere of the stereographic projection, method 2Plate tectonicsAnother hex mapEquateur & tropiquesTissot's indicatrixDistance to shoreMultiPolygon clippingSouth Africa’s medial axisSpherical intersectionVolcano Semis (points circulaires)Pencil Airocean45° mapNetCDFBlue noise sphereRubber DymaxionSpherical quasi-random (R2) distributionAutomated label placement (countries)Automated label placement (France)Automated label placement (cities)d3.geoIntersectArcDelaunay.findTriangled3-geo-voronoi and gridded dataElevation vtk.jsMapfillKrigingSpherical HeatmapReproject elevation tiles — detailReproject elevation tiles — worldFisheye Conformal MapSpherical KDE InterpolationSpherical kernel interpolation with nearest neighborsShepard’s methodModified Shepard’s methodSpherical contoursGeo Voronoi interpolationBlurry contoursHow much warmer? (BBC)H3 hexagons & geoContoursHillshading & supersamplingH3 odditiesManhattan VoronoiManhattan Voronoi IIGeoJSON feature editorColorized Manhattan Spanning Treelegra mapslegra country mapsThe complex logarithm projectionCountries small multipleThe 2D approximate Newton-Raphson methodOceanAttitudeCount visible objectsThe Gray-Fuller spatial gridGray-Fuller grid metricsGray-Fuller grid odditiesSpherical smallest-circle problemBounding CirclesCountries Enclosing CirclesFullscreen Seamless Zoomable Map TilesMap Pan & ZoomSpherical EllipsesSynchronized projectionsThe closest countryTriangular tiling of icosahedronHello, polygon-clippingCorées / KoreasHello, procedural-glHello, placekeyZoom World ChoroplethClipping spherical polygonsSpherical phyllotaxisFour-color world map with ClingoHello, jsgeoda!The Sun’s analemmaWorld of squaresWorld of squares (spherical)A map of AfricaTagged bordersClipped geoVoronoiBlue noise sphere IISpherical Perlin NoiseSpherical Delaunay triangulationDynamic simplificationRewindPlot: Voronoi labelsAoC 12: shortest path under constraintsFlight PathsRay out of a convex hullDistance to a segment
Hello, pixi.js
Also listed in…
Hello
{
const app = new PIXI.Application({
antialias: true,
transparent: true,
width,
height: 200,
resolution: devicePixelRatio || 1
});
invalidation.then(() => app.destroy(true, true));
const context = new PIXI.Graphics();
app.stage.addChild(context);
let v = 150;
const data = Array.from({ length: width / 20 }, (_, i) => [
10 + i * 20,
(v += 25 * (Math.random() - .55))
]);
const area = d3
.area()
.y0(199)
.context(context);
const line = d3.line().context(context);
context.clear();
context.lineStyle(.5);
context.beginFill(0xeeeeee);
area(data);
context.endFill();
context.lineStyle(2);
line.curve(d3.curveBasis)(data);
context.lineStyle(1);
context.beginFill(0xee7777);
line.curve(curvePoints(3))(data);
context.endFill();
return Object.assign(app.view, { style: `width: ${width}px` });
}
{
const context = contextPixi(width, height, invalidation);
const path = d3.geoPath(projection).context(context);
// Rectangle
context.clear();
context.lineStyle(1, 0x000000, 1);
context.beginFill(0xfefee2);
path(land); // almost!
context.endFill();
context.lineStyle(3, 0x000000, 1);
path({ type: "Sphere" });
context.endFill();
return context.canvas;
}
PIXI = import("https://cdn.jsdelivr.net/npm/pixi.js@6.5.9/+esm")
contextPixi = (width, height, invalidation, resolution) => {
if (!invalidation) throw new Error("please pass an invalidation method");
const app = new PIXI.Application({
antialias: true,
transparent: true,
width,
height,
resolution: resolution || devicePixelRatio || 1
});
invalidation.then(() => app.destroy(true, true));
const context = new PIXI.Graphics();
app.stage.addChild(context);
app.view.style = `width: ${width}px`;
context.canvas = app.view;
return context;
}
projection = d3.geoBertin1953().fitSize([width, height], { type: "Sphere" })
height = width * 0.6
d3 = require("d3@7", "d3-geo-projection@4")
land = d3.json(
"https://unpkg.com/visionscarto-world-atlas@0.0.6/world/110m_land.geojson"
)
import { curvePoints } from "5c4650cfb7214d6c"
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