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 projectionImago 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 Lotus projection (1958)The 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
D3 Projections
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projections = [
{ name: "Airocean", value: d3.geoAirocean },
{ name: "Airy’s minimum error", value: d3.geoAiry },
{ name: "Aitoff", value: d3.geoAitoff },
{ name: "American polyconic", value: d3.geoPolyconic },
{
name: "Armadillo",
value: d3.geoArmadillo,
options: { clip: { type: "Sphere" } }
},
{ name: "August", value: d3.geoAugust },
{ name: "azimuthal equal-area", value: d3.geoAzimuthalEqualArea },
{ name: "azimuthal equidistant", value: d3.geoAzimuthalEquidistant },
{ name: "Baker dinomic", value: d3.geoBaker },
{ name: "Berghaus’ star", value: d3.geoBerghaus,
options: { clip: { type: "Sphere" } } },
{ name: "Bertin’s 1953", value: d3.geoBertin1953 },
{ name: "Boggs’ eumorphic", value: d3.geoBoggs },
{ name: "Boggs’ eumorphic (interrupted)", value: d3.geoInterruptedBoggs,
options: { clip: { type: "Sphere" } } },
{ name: "Bonne", value: d3.geoBonne },
{ name: "Bottomley", value: d3.geoBottomley },
{ name: "Bromley", value: d3.geoBromley },
{ name: "Butterfly (gnomonic)", value: d3.geoPolyhedralButterfly },
{ name: "Butterfly (Collignon)", value: d3.geoPolyhedralCollignon },
{ name: "Butterfly (Waterman)", value: d3.geoPolyhedralWaterman },
{ name: "Cahill-Keyes", value: d3.geoCahillKeyes },
{ name: "Collignon", value: d3.geoCollignon },
// {name: "conic conformal", value: d3.geoConicConformal}, // Not suitable for world maps.
{ name: "conic equal-area", value: d3.geoConicEqualArea },
{ name: "conic equidistant", value: d3.geoConicEquidistant },
{ name: "Craig retroazimuthal", value: d3.geoCraig },
{ name: "Craster parabolic", value: d3.geoCraster },
{ name: "Cox", value: d3.geoCox },
{ name: "cubic", value: d3.geoCubic },
{ name: "cylindrical equal-area", value: d3.geoCylindricalEqualArea },
{
name: "cylindrical stereographic",
value: d3.geoCylindricalStereographic
},
{ name: "dodecahedral", value: d3.geoDodecahedral },
{ name: "Eckert I", value: d3.geoEckert1 },
{ name: "Eckert II", value: d3.geoEckert2 },
{ name: "Eckert III", value: d3.geoEckert3 },
{ name: "Eckert IV", value: d3.geoEckert4 },
{ name: "Eckert V", value: d3.geoEckert5 },
{ name: "Eckert VI", value: d3.geoEckert6 },
{ name: "Eisenlohr conformal", value: d3.geoEisenlohr },
{ name: "Equal Earth", value: d3.geoEqualEarth },
{ name: "Equirectangular (plate carrée)", value: d3.geoEquirectangular },
{ name: "Fahey pseudocylindrical", value: d3.geoFahey },
{ name: "flat-polar parabolic", value: d3.geoMtFlatPolarParabolic },
{ name: "flat-polar quartic", value: d3.geoMtFlatPolarQuartic },
{ name: "flat-polar sinusoidal", value: d3.geoMtFlatPolarSinusoidal },
{ name: "Foucaut’s stereographic equivalent", value: d3.geoFoucaut },
{ name: "Foucaut’s sinusoidal", value: d3.geoFoucautSinusoidal },
{ name: "general perspective", value: d3.geoSatellite },
// {name: "Gilbert’s two-world", value: d3.geoGilbert}, // https://github.com/d3/d3-geo-projection/issues/165
{ name: "Gingery", value: d3.geoGingery,
options: { clip: { type: "Sphere" } } },
{ name: "Ginzburg V", value: d3.geoGinzburg5 },
{ name: "Ginzburg VI", value: d3.geoGinzburg6 },
{ name: "Ginzburg VIII", value: d3.geoGinzburg8 },
{ name: "Ginzburg IX", value: d3.geoGinzburg9 },
{ name: "Goode’s homolosine", value: d3.geoHomolosine},
{
name: "Goode’s homolosine (interrupted)",
value: d3.geoInterruptedHomolosine,
options: { clip: { type: "Sphere" } }
},
{ name: "gnomonic", value: d3.geoGnomonic },
{ name: "Gringorten square", value: d3.geoGringorten },
{ name: "Gringorten quincuncial", value: d3.geoGringortenQuincuncial },
{ name: "Guyou square", value: d3.geoGuyou },
{ name: "Hammer", value: d3.geoHammer },
{ name: "Hammer retroazimuthal", value: d3.geoHammerRetroazimuthal,
options: { clip: { type: "Sphere" } } },
{ name: "HEALPix", value: d3.geoHealpix,
options: { clip: { type: "Sphere" } } },
{ name: "Hill eucyclic", value: d3.geoHill },
{ name: "Hufnagel pseudocylindrical", value: d3.geoHufnagel },
{ name: "icosahedral", value: d3.geoIcosahedral },
{ name: "Imago", value: d3.geoImago },
{ name: "Kavrayskiy VII", value: d3.geoKavrayskiy7 },
{ name: "Lagrange conformal", value: d3.geoLagrange },
{ name: "Larrivée", value: d3.geoLarrivee },
{ name: "Laskowski tri-optimal", value: d3.geoLaskowski },
// {name: "Littrow retroazimuthal", value: d3.geoLittrow}, // Not suitable for world maps.
{ name: "Loximuthal", value: d3.geoLoximuthal },
{ name: "Mercator", value: d3.geoMercator },
{ name: "Miller cylindrical", value: d3.geoMiller },
{ name: "Mollweide", value: d3.geoMollweide },
{
name: "Mollweide (Goode’s interrupted)",
value: d3.geoInterruptedMollweide,
options: { clip: { type: "Sphere" } }
},
{
name: "Mollweide (interrupted hemispheres)",
value: d3.geoInterruptedMollweideHemispheres,
options: { clip: { type: "Sphere" } }
},
{ name: "Natural Earth", value: d3.geoNaturalEarth1 },
{ name: "Natural Earth II", value: d3.geoNaturalEarth2 },
{ name: "Nell–Hammer", value: d3.geoNellHammer },
{ name: "Nicolosi globular", value: d3.geoNicolosi },
{ name: "orthographic", value: d3.geoOrthographic },
{ name: "Patterson cylindrical", value: d3.geoPatterson },
{ name: "Peirce quincuncial", value: d3.geoPeirceQuincuncial },
{ name: "rectangular polyconic", value: d3.geoRectangularPolyconic },
{ name: "Robinson", value: d3.geoRobinson },
{ name: "sinusoidal", value: d3.geoSinusoidal },
{ name: "sinusoidal (interrupted)", value: d3.geoInterruptedSinusoidal,
options: { clip: { type: "Sphere" } } },
{ name: "sinu-Mollweide", value: d3.geoSinuMollweide },
{
name: "sinu-Mollweide (interrupted)",
value: d3.geoInterruptedSinuMollweide,
options: { clip: { type: "Sphere" } }
},
{ name: "stereographic", value: d3.geoStereographic },
{ name: "Lee’s tetrahedal", value: d3.geoTetrahedralLee },
{ name: "Times", value: d3.geoTimes },
{ name: "Tobler hyperelliptical", value: d3.geoHyperelliptical },
{ name: "transverse Mercator", value: d3.geoTransverseMercator },
{ name: "Van der Grinten", value: d3.geoVanDerGrinten },
{ name: "Van der Grinten II", value: d3.geoVanDerGrinten2 },
{ name: "Van der Grinten III", value: d3.geoVanDerGrinten3 },
{ name: "Van der Grinten IV", value: d3.geoVanDerGrinten4 },
{ name: "Wagner IV", value: d3.geoWagner4 },
{ name: "Wagner VI", value: d3.geoWagner6 },
{ name: "Wagner VII", value: d3.geoWagner7 },
{
name: "Werner",
value: d3.geoBonne ? () => d3.geoBonne().parallel(90) : null
},
{ name: "Wiechel", value: d3.geoWiechel },
{ name: "Winkel tripel", value: d3.geoWinkel3 }
].filter(p => p.value)
function projectionInput({ name, value }) {
return Inputs.select(
new Map(
projections.map(({ name, value, options }) => [
name,
// TODO: Select forces us to instantiate every projection… see projectionInput2 below for tests
// see https://github.com/observablehq/inputs/issues/128#issuecomment-829275682 for a solution
// TODO: apply it here…
Object.assign(value(), { options: { name, ...options } })
])
),
{
key: value,
label: name
}
);
}
d3 = require("d3-array@3", "d3-geo@3", "d3-geo-projection@4", "d3-geo-polygon@1.8")
function projectionInput2({ name, value }) {
const m = d3.index(projections, (d) => d.name);
return Inputs.select(
projections.map(({ name }) => name),
{
value, // this breaks because of valueof :(
valueof: (name) =>
Object.assign(m.get(name).value(), {
options: { name, ...m.get(name).options }
}),
label: name
}
);
}
viewof p2 = projectionInput2({ name: "projection", value: "Mercator" })
p2
p2.options
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