The avatar for @sahilchinoy
Sahil Chinoy
Published
Edited
Jan 6, 2022
5 forks
Importers
93 stars
Maps
Topographic MappingBubble mapChoroplethAccess to Family planningMD Counties Total Cases MapTendance de la production des déchets en Union EuropéenneAndy's Walgreens COVID-19 Tracker TrackerElection Maps for Incomplete ResultsA better U.S. house election results map?1983 Mayoral Election, Dot density mapsMastodon 🐘Cheat sheet bertinBertin.js: regular squaresWaterlinesNeumorphism Contour Density MapCartographic DoodlesStars and constellationsPlot: Grid choroplethHello Polygon MorphingMapping with pie chartsU.S. Geographic DataHow big are countries... like really!AttitudeB&W ChoroplethWeb Mercator Tile VisibilityMARTINI: Real-Time RTIN Terrain Mesh"Magnifying-Glass" projectionsTissot's indicatrixAntipodal mapMapping gridded data with a Voronoi diagramA Map of Every BuildingUrbano Monti’s Planisphere (1587)Bivariate choroplethDIY HillshadeMapbox Map MakerWorld tour
Hillshader
Simplified Earth with curved shapesHexbin mapInner glowNicolosi vs. StereographicData-driven projections: Darwin's worldSatellite ground track visualizerDirection to shoreHello, OpenLayers!U.S. airports VoronoiHello, NYC Geosearch API!Mapbox Fly-ToSpilhaus shoreline mapWalmart’s growthHow well does population density predict U.S. voting outcomes?Drawing maps from geodata with D3 & ObservableHexgrid maps with d3-hexgridTissot's indicatrixWorld airports VoronoiSwiss Elevation Line GraphsVector tilesVersor draggingOrthographicSolar TerminatorStreaming ShapefilesFake GlobesPeirce Quincuncial🍃 LeafletU.S.G.S. World Earthquake MapUsing Mapbox GL JSUsing Google Maps
Also listed in…
mapping experiments
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function getDerivatives(top, left, bottom, right) {
const dzdx = right - left;
const dzdy = top - bottom;

return {
dzdx,
dzdy
};
}
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getSlope = (dzdx, dzdy, z = 0.2) =>
Math.atan(z * Math.sqrt(dzdx ** 2 + dzdy ** 2)) // the z factor controls how exaggerated the peaks look
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getAspect = (dzdx, dzdy) => {
return Math.atan2(-dzdy, -dzdx);
}
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function getReflectance(aspect, slope, sunAzimuth, sunElevation) {
return (
Math.cos(Math.PI * 0.5 - aspect - sunAzimuth) *
Math.sin(slope) *
Math.sin(Math.PI * 0.5 - sunElevation) +
Math.cos(slope) * Math.cos(Math.PI * 0.5 - sunElevation)
);
}
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Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
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