Last active
June 13, 2023 20:25
-
-
Save jthomassie/9569067 to your computer and use it in GitHub Desktop.
d3 globe arcs
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "type": "FeatureCollection", | |
| "features": [ | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Populated place", "name": "Los Angeles", "nameascii": "Los Angeles", "adm0name": "United States of America", "adm0_a3": "USA", "adm1name": "California", "iso_a2": "US", "note": null, "latitude": 33.989978250199997, "longitude": -118.179980511, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 12500000, "pop_min": 3694820, "pop_other": 142265, "rank_max": 14, "rank_min": 12, "geonameid": 5368361.0, "meganame": "Los Angeles-Long Beach-Santa Ana", "ls_name": "Los Angeles1", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ -118.181926369940413, 33.991924108765431 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-0 capital", "name": "Washington, D.C.", "nameascii": "Washington, D.C.", "adm0name": "United States of America", "adm0_a3": "USA", "adm1name": "District of Columbia", "iso_a2": "US", "note": null, "latitude": 38.899549376499998, "longitude": -77.009418580800002, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 4338000, "pop_min": 552433, "pop_other": 2175991, "rank_max": 12, "rank_min": 11, "geonameid": 4140963.0, "meganame": "Washington, D.C.", "ls_name": "Washington, D.C.", "ls_match": 1, "checkme": 5 }, "geometry": { "type": "Point", "coordinates": [ -77.011364439437159, 38.901495235087054 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Populated place", "name": "New York", "nameascii": "New York", "adm0name": "United States of America", "adm0_a3": "USA", "adm1name": "New York", "iso_a2": "US", "note": null, "latitude": 40.749979064, "longitude": -73.980016928799998, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 19040000, "pop_min": 8008278, "pop_other": 9292603, "rank_max": 14, "rank_min": 13, "geonameid": 5128581.0, "meganame": "New York-Newark", "ls_name": "New York", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ -73.981962787406815, 40.75192492259464 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 2, "featurecla": "Admin-0 capital", "name": "Moscow", "nameascii": "Moscow", "adm0name": "Russia", "adm0_a3": "RUS", "adm1name": "Moskva", "iso_a2": "RU", "note": null, "latitude": 55.7521641226, "longitude": 37.615522825900001, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 10452000, "pop_min": 10452000, "pop_other": 10585385, "rank_max": 14, "rank_min": 14, "geonameid": 524901.0, "meganame": "Moskva", "ls_name": "Moscow", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 37.613576967271399, 55.754109981248178 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 2, "featurecla": "Admin-0 capital", "name": "Mexico City", "nameascii": "Mexico City", "adm0name": "Mexico", "adm0_a3": "MEX", "adm1name": "Distrito Federal", "iso_a2": "MX", "note": null, "latitude": 19.442442442800001, "longitude": -99.130988201700006, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 19028000, "pop_min": 10811002, "pop_other": 10018444, "rank_max": 14, "rank_min": 14, "geonameid": 3530597.0, "meganame": "Ciudad de México", "ls_name": "Mexico City", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ -99.132934060293906, 19.444388301415472 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 2, "featurecla": "Admin-0 capital alt", "name": "Lagos", "nameascii": "Lagos", "adm0name": "Nigeria", "adm0_a3": "NGA", "adm1name": "Lagos", "iso_a2": "NG", "note": null, "latitude": 6.44326165348, "longitude": 3.39153107121, "changed": 4.0, "namediff": 0, "diffnote": "Location adjusted. Changed scale rank.", "pop_max": 9466000, "pop_min": 1536, "pop_other": 6567892, "rank_max": 13, "rank_min": 3, "geonameid": 735497.0, "meganame": "Lagos", "ls_name": "Lagos", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 3.389585212598433, 6.445207512093191 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-0 capital", "name": "Beijing", "nameascii": "Beijing", "adm0name": "China", "adm0_a3": "CHN", "adm1name": "Beijing", "iso_a2": "CN", "note": null, "latitude": 39.928892231299997, "longitude": 116.388285684, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 11106000, "pop_min": 7480601, "pop_other": 9033231, "rank_max": 14, "rank_min": 13, "geonameid": 1816670.0, "meganame": "Beijing", "ls_name": "Beijing", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 116.386339825659434, 39.930838089909059 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-0 capital", "name": "Jakarta", "nameascii": "Jakarta", "adm0name": "Indonesia", "adm0_a3": "IDN", "adm1name": "Jakarta Raya", "iso_a2": "ID", "note": null, "latitude": -6.17441770541, "longitude": 106.829437621, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 9125000, "pop_min": 8540121, "pop_other": 9129613, "rank_max": 13, "rank_min": 13, "geonameid": 1642911.0, "meganame": "Jakarta", "ls_name": "Jakarta", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 106.827491762470117, -6.172471846798885 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-1 capital", "name": "Shanghai", "nameascii": "Shanghai", "adm0name": "China", "adm0_a3": "CHN", "adm1name": "Shanghai", "iso_a2": "CN", "note": null, "latitude": 31.216452452599999, "longitude": 121.436504678, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 14987000, "pop_min": 14608512, "pop_other": 16803572, "rank_max": 14, "rank_min": 14, "geonameid": 1796236.0, "meganame": "Shanghai", "ls_name": "Shanghai", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 121.434558819820154, 31.218398311228327 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 2, "featurecla": "Admin-0 capital", "name": "Tokyo", "nameascii": "Tokyo", "adm0name": "Japan", "adm0_a3": "JPN", "adm1name": "Tokyo", "iso_a2": "JP", "note": null, "latitude": 35.685016905799998, "longitude": 139.751407429000011, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 35676000, "pop_min": 8336599, "pop_other": 12945252, "rank_max": 14, "rank_min": 13, "geonameid": 1850147.0, "meganame": "Tokyo", "ls_name": "Tokyo", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 139.749461570544668, 35.686962764371174 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-1 capital", "name": "Mumbai", "nameascii": "Mumbai", "adm0name": "India", "adm0_a3": "IND", "adm1name": "Maharashtra", "iso_a2": "IN", "note": null, "latitude": 19.016990375700001, "longitude": 72.856989297400006, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 18978000, "pop_min": 12691836, "pop_other": 12426085, "rank_max": 14, "rank_min": 14, "geonameid": 1275339.0, "meganame": "Mumbai", "ls_name": "Mumbai", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 72.855043438766472, 19.018936234356602 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-1 capital", "name": "Kolkata", "nameascii": "Kolkata", "adm0name": "India", "adm0_a3": "IND", "adm1name": "West Bengal", "iso_a2": "IN", "note": null, "latitude": 22.494969298299999, "longitude": 88.324675658100006, "changed": 4.0, "namediff": 1, "diffnote": "Name changed. Changed scale rank.", "pop_max": 14787000, "pop_min": 4631392, "pop_other": 7783716, "rank_max": 14, "rank_min": 12, "geonameid": 1275004.0, "meganame": "Kolkata", "ls_name": "Calcutta", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 88.32272979950551, 22.496915156896421 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Populated place", "name": "Rio de Janeiro", "nameascii": "Rio de Janeiro", "adm0name": "Brazil", "adm0_a3": "BRA", "adm1name": "Rio de Janeiro", "iso_a2": "BR", "note": null, "latitude": -22.9250231742, "longitude": -43.225020794199999, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 11748000, "pop_min": 2010175, "pop_other": 1821489, "rank_max": 14, "rank_min": 12, "geonameid": 3451190.0, "meganame": "Rio de Janeiro", "ls_name": "Rio de Janeiro", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ -43.226966652843657, -22.923077315615956 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 1, "featurecla": "Admin-1 capital", "name": "Sao Paulo", "nameascii": "Sao Paulo", "adm0name": "Brazil", "adm0_a3": "BRA", "adm1name": "São Paulo", "iso_a2": "BR", "note": null, "latitude": -23.558679587, "longitude": -46.625019980399998, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 18845000, "pop_min": 10021295, "pop_other": 11522944, "rank_max": 14, "rank_min": 14, "geonameid": 3448439.0, "meganame": "São Paulo", "ls_name": "Sao Paolo", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ -46.626965839055231, -23.556733728378958 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 0, "featurecla": "Admin-0 capital", "name": "Singapore", "nameascii": "Singapore", "adm0name": "Singapore", "adm0_a3": "SGP", "adm1name": null, "iso_a2": "SG", "note": null, "latitude": 1.29303346649, "longitude": 103.855820678, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 5183700, "pop_min": 3289529, "pop_other": 3314179, "rank_max": 13, "rank_min": 12, "geonameid": 1880252.0, "meganame": "Singapore", "ls_name": "Singapore", "ls_match": 1, "checkme": 5 }, "geometry": { "type": "Point", "coordinates": [ 103.853874819099019, 1.294979325105942 ] } }, | |
| { "type": "Feature", "properties": { "scalerank": 0, "labelrank": 0, "featurecla": "Admin-0 region capital", "name": "Hong Kong", "nameascii": "Hong Kong", "adm0name": "Hong Kong S.A.R.", "adm0_a3": "HKG", "adm1name": null, "iso_a2": "HK", "note": null, "latitude": 22.304980895, "longitude": 114.185009317, "changed": 0.0, "namediff": 0, "diffnote": null, "pop_max": 7206000, "pop_min": 4551579, "pop_other": 4549026, "rank_max": 13, "rank_min": 12, "geonameid": 1819729.0, "meganame": "Hong Kong", "ls_name": "Hong Kong", "ls_match": 1, "checkme": 0 }, "geometry": { "type": "Point", "coordinates": [ 114.183063458463039, 22.30692675357551 ] } } | |
| ] | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .graticule { | |
| fill: none; | |
| stroke: #ccc; | |
| stroke-width: 0.7; | |
| stroke-opacity: 1.0; | |
| } | |
| .edge { | |
| fill: none; | |
| stroke: #444; | |
| stroke-width: 0.8; | |
| stroke-opacity: 1.0; | |
| } | |
| .land { | |
| fill: #ccc; | |
| fill-opacity: 0.6; | |
| stroke: #999; | |
| stroke-opacity: 1.0; | |
| stroke-width: 1.0; | |
| } | |
| .countries path { | |
| fill: #ddd; | |
| fill-opacity: 0.4; | |
| stroke: #444; | |
| stroke-linejoin: round; | |
| stroke-width: 0.4; | |
| stroke-opacity: 0.2; | |
| } | |
| .countries path:hover { | |
| fill-opacity: 0.6; | |
| stroke-width: 1.1; | |
| stroke-opacity: 0.5; | |
| } | |
| .labels { | |
| font: 12px sans-serif; | |
| fill: #444; | |
| } | |
| .point{ | |
| fill: #444; | |
| stroke: #444; | |
| stroke-width: 1; | |
| stroke-opacity: 1; | |
| } | |
| .noclick { | |
| pointer-events:none; | |
| } | |
| .arcs { | |
| opacity:.1; | |
| stroke: gray; | |
| stroke-width: 3; | |
| } | |
| .flyers { | |
| stroke-width:1; | |
| opacity: .6; | |
| stroke: darkred; | |
| } | |
| .arc, .flyer { | |
| stroke-linejoin: round; | |
| fill:none; | |
| } | |
| .arc { } | |
| .flyer { } | |
| .flyer:hover { } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/queue.v1.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| <script> | |
| d3.select(window) | |
| .on("mousemove", mousemove) | |
| .on("mouseup", mouseup); | |
| var width = 960, | |
| height = 500; | |
| var center = [50.0, -40.0]; | |
| var proj = d3.geo.orthographic() | |
| .translate([width / 2, height / 2]) | |
| .scale(220) | |
| .precision(0.3) | |
| .rotate(center) | |
| .clipAngle(90); | |
| var sky = d3.geo.orthographic() | |
| .translate([width / 2, height / 2]) | |
| .clipAngle(90) | |
| .scale(280); | |
| var path = d3.geo.path().projection(proj).pointRadius(2); | |
| var graticule = d3.geo.graticule(); | |
| var swoosh = d3.svg.line() | |
| .x(function(d) { return d[0]; }) | |
| .y(function(d) { return d[1]; }) | |
| .interpolate("basis"); | |
| var links = [], | |
| arcLines = []; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .on("mousedown", mousedown); | |
| queue() | |
| .defer(d3.json, "world-110m.json") | |
| .defer(d3.json, "arc-places.json") | |
| .await(ready); | |
| function ready(error, world, places) { | |
| var ocean_fill = svg.append("defs").append("radialGradient") | |
| .attr("id", "ocean_fill") | |
| .attr("cx", "75%") | |
| .attr("cy", "25%"); | |
| // water sphere | |
| svg.append("path") | |
| .datum({type: "Sphere"}) | |
| .attr("class", "water noclick") | |
| .attr("d", path) | |
| .style("fill", "#fff"); | |
| // graticule | |
| svg.append("path") | |
| .datum(graticule) | |
| .attr("class", "graticule noclick") | |
| .attr("d", path); | |
| // land shape | |
| svg.append("path") | |
| .datum(topojson.object(world, world.objects.land)) | |
| .attr("class", "land noclicks") | |
| .attr("d", path); | |
| // edge sphere | |
| svg.append("path") | |
| .datum({type: "Sphere"}) | |
| .attr("class", "edge noclick") | |
| .attr("d", path); | |
| svg.append("g") | |
| .attr("class","points") | |
| .selectAll("text").data(places.features) | |
| .enter().append("path") | |
| .attr("class", "point") | |
| .attr("d", path); | |
| // spawn links between cities as source/target coord pairs | |
| places.features.forEach(function(a) { | |
| places.features.forEach(function(b) { | |
| if (a !== b) { | |
| links.push({ | |
| source: a.geometry.coordinates, | |
| target: b.geometry.coordinates | |
| }); | |
| } | |
| }); | |
| }); | |
| // build geoJSON features from links array | |
| links.forEach(function(e,i,a) { | |
| var feature = { "type": "Feature", "geometry": { "type": "LineString", "coordinates": [e.source,e.target] }}; | |
| arcLines.push(feature); | |
| }); | |
| svg.append("g").attr("class","arcs") | |
| .selectAll("path").data(arcLines) | |
| .enter().append("path") | |
| .attr("class","arc") | |
| .attr("d",path); | |
| svg.append("g").attr("class","flyers") | |
| .selectAll("path").data(links) | |
| .enter().append("path") | |
| .attr("class","flyer") | |
| .attr("d", function(d) { | |
| // return swoosh(flying_arc(d)); | |
| var ddd = "M"; | |
| var pts = flying_arc(d); | |
| for (var i = 0; i < pts.length; i++ ) { | |
| if(i == 1) { | |
| ddd += "C"; | |
| } | |
| ddd += pts[i][0]; | |
| ddd += ","; | |
| ddd += pts[i][1]; | |
| if(i < pts.length-1) { | |
| ddd += " "; | |
| } | |
| } | |
| //console.log(ddd); | |
| return ddd; | |
| }); | |
| proj.rotate(center); | |
| sky.rotate(center); | |
| refresh(); | |
| } | |
| function flying_arc(pts) { | |
| var source = pts.source, | |
| target = pts.target; | |
| var mid = location_along_arc(source, target, 0.35); | |
| var mid2 = location_along_arc(source, target, 0.65); | |
| var result = [ | |
| proj(source), | |
| sky(mid), | |
| sky(mid2), | |
| proj(target) | |
| ]; | |
| //console.log(proj(source)); | |
| return result; | |
| } | |
| function refresh() { | |
| svg.selectAll(".land").attr("d", path); | |
| svg.selectAll(".point").attr("d", path); | |
| svg.selectAll("path").attr("d", path); | |
| svg.selectAll(".arc") | |
| .attr("d", path) | |
| .attr("opacity", function(d) { | |
| return fade_at_edge(d); | |
| }); | |
| svg.selectAll(".flyer") | |
| .attr("d", function(d) { | |
| return swoosh(flying_arc(d)); | |
| }) | |
| .attr("opacity", function(d) { | |
| return fade_at_edge(d); | |
| }); | |
| } | |
| function fade_at_edge(d) { | |
| var centerPos = proj.invert([width/2,height/2]), | |
| arc = d3.geo.greatArc(), | |
| start, end; | |
| // function is called on 2 different data structures.. | |
| if (d.source) { | |
| start = d.source, | |
| end = d.target; | |
| } else { | |
| start = d.geometry.coordinates[0]; | |
| end = d.geometry.coordinates[1]; | |
| } | |
| var start_dist = 1.57 - arc.distance({source: start, target: centerPos}), | |
| end_dist = 1.57 - arc.distance({source: end, target: centerPos}); | |
| var fade = d3.scale.linear().domain([-0.1, 0]).range([0, 0.1]) ; | |
| var dist = start_dist < end_dist ? start_dist : end_dist; | |
| return fade(dist); | |
| } | |
| function location_along_arc(start, end, loc) { | |
| var interpolator = d3.geo.interpolate(start,end); | |
| return interpolator(loc); | |
| } | |
| // modified from http://bl.ocks.org/1392560 | |
| var m0, o0; | |
| function mousedown() { | |
| m0 = [d3.event.pageX, d3.event.pageY]; | |
| o0 = proj.rotate(); | |
| d3.event.preventDefault(); | |
| } | |
| function mousemove() { | |
| if (m0) { | |
| var m1 = [d3.event.pageX, d3.event.pageY] | |
| , o1 = [o0[0] + (m1[0] - m0[0]) / 6, o0[1] + (m0[1] - m1[1]) / 6]; | |
| o1[1] = o1[1] > 55 ? 55 : | |
| o1[1] < -55 ? -55 : | |
| o1[1]; | |
| console.log(o1); | |
| proj.rotate(o1); | |
| sky.rotate(o1); | |
| refresh(); | |
| } | |
| } | |
| function mouseup() { | |
| if (m0) { | |
| mousemove(); | |
| m0 = null; | |
| } | |
| } | |
| </script> | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Great Job! I created a Demo on Codepen from it https://codepen.io/_robin/pen/OJEdyVL