Kerkovits projectionA map of AfricaCupola ProjectionClipping spherical polygonsA conformal AiroceanFill with strokeMarkley’s tetrahedral mapSynchronized projectionsSatellite GLSLVan Der Grinten IV GLSLVan Der Grinten III GLSLVan Der Grinten II GLSLWinkel Tripel GLSLLee Modified Stereographic GLSLMiller Oblated Stereographic GLSLModified Stereographic GS48 GLSLModified Stereographic GS50 GLSLFoucaut GLSLLagrange GLSLKavrayskiy VII GLSLEisenlohr GLSLEckert VI GLSLEckert V GLSLEckert IV GLSLEckert III GLSLEckert II GLSLEckert I GLSLBertin1953 GLSLRobinson GLSLMiller GLSLRectangular Polyconic GLSLPatterson GLSLPolyconic GLSLLoximuthal GLSLCylindrical Stereographic GLSLCylindrical Equal-Area GLSLTransverse Fahey GLSLFahey GLSLCollignon GLSLBromley GLSLBottomley GLSLHammer GLSLBonne GLSLBoggs GLSLBerghaus GLSLBaker Transverse GLSLBaker GLSLAugust GLSLAiry GLSLAitoff GLSLArmadillo GLSLLarrivée GLSLCylindrical Equal-Area GLSLAzimuthal Equidistant GLSLLittrow GLSLVan Der Grinten GLSLEquirectangular GLSLConic Conformal GLSLConic Equidistant GLSLAlbers GLSLConic Equal-Area GLSLEqual Earth GLSLTimes GLSLWagner IV GLSLWagner VI GLSLWagner VII GLSLWiechel GLSLAtlantis GLSLMollweide GLSLMercator GLSLTransverse Mercator GLSLCordiform GLSLWebMercator to globeVersor zooming for Three.jsAzimuthal Equal-Area GLSLBriesemeister GLSLRectilinear GLSLPhytoplanktonDanseiji projectionsTransverse MollweideThe 2D approximate Newton-Raphson methodInverting Lee’s Tetrahedral projectionAmerican PolyconicThe complex logarithm projectionRaster projection with GPU.jsH3 hexagons & geoContoursModified Stereographic ProjectionsFisheye Conformal Map (Cox)Fisheye Conformal MapFisheye Conformal Map (Tetrahedral)Reproject elevation tiles — worldTransverse projectionsThe Imago projectionD3 ProjectionsImago Projection Distorsion AnalysisEPSG:5530Imago tilingCordiform map projections 💛💗💖MultiPolygon clippingThe Nicolosi Globular ProjectionFisheye GlobeHerbert Bayer’s Pacific OceanThe Behrmann projectionOronce Finé’s triangle projectionDa Vinci’s octant projectionThe Voronoi projectionUsing proj4js with D3 and PlotMurphey Butterfly ProjectionEquateur & tropiquesVega projectionsMercator projection of a Mercator globeThe truth about the Mercator projectionOcean-centric Mollweide projectionBuckminster Fuller’s triangle transformationExperimental two world projectionsTobler’s hyperelliptical projection (1973)Jacques Bertin’s projection (1953)A map without Antarctica (Bertin1953 projection)Square Root Azimuthal projectionThe Log-Azimuthal projectionPeirce Quincuncial Projection, centered on the South PoleTranslucent Earth (Satellite projection)Lee’s conformal projection in a tetrahedronAirocean projectionCubic projectionsCox conformal projection in a triangleIcosahedral projectionsDodecahedral projectionThe Cahill-Keyes projection (1975)Polyhedral projections with d3-geo-polygonWagner customizable projectionParametrized Equal Earth ProjectionThe Hufnagel projection systemTissot's indicatrixAn equal-area projection for the cubic EarthBase map
The Lotus projection (1958)
LOTUS = map(geoLotus().rotate([165, 0]), { svg: true })
geoLotus = function() {
const face1 = {
face: [[-135, 89.9], [-89.9, cut], [-180, cut]],
project: d3
.geoBonne()
.parallel(parallel3)
.rotate([121, 0]),
children: []
};
const face2 = {
face: [[135, 89.9], [180, cut], [89.9, cut]],
project: d3
.geoBonne()
.parallel(parallel3)
.rotate([-121, 0]),
children: []
};
const face3 = {
face: [[0, 89.9], [89.9, cut], [-89.9, cut]],
project: d3
.geoBonne()
.parallel(parallel3)
.rotate([0, 0]),
children: []
};
const face0 = {
face: [[-180, cut], [-89.9, cut], [89.9, cut], [180, cut]],
project: d3.geoConicConformal().parallels([parallel1, parallel2]),
children: [face1, face2, face3]
};
function facefind(lambda, phi) {
lambda *= degrees;
phi *= degrees;
if (phi < cut) return face0;
else if (-180 <= lambda && lambda <= -89.9) return face1;
else if (180 >= lambda && lambda >= 89.9) return face2;
else return face3;
}
return d3
.geoPolyhedral(face0, facefind)
.precision(0.1)
.preclip(preclip);
}
Purpose-built for displays of data
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.
