World Map with D3.js and TopoJSON data from World Atlas in
https://github.com/d3/d3
https://github.com/topojson/topojson
https://github.com/topojson/world-atlas
forked from piwodlaiwo's block: World Map with D3 and TopoJSON
Last active
June 14, 2020 21:37
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Handdrawn Waterman projection
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| background: #fcfcfa; | |
| } | |
| .stroke { | |
| fill: none; | |
| stroke: #222; | |
| stroke-width: 1px; | |
| stroke-opacity:0.4 | |
| } | |
| .fill { | |
| fill: #fff; | |
| } | |
| .graticule { | |
| fill: none; | |
| stroke: #222; | |
| stroke-width: 0.5px; | |
| stroke-opacity: 0.2; | |
| } | |
| .land { | |
| fill: #9b9b9b; | |
| } | |
| .boundary { | |
| fill: none; | |
| stroke: black; | |
| stroke-opacity: 0.4; | |
| stroke-width: .5px; | |
| } | |
| #filter { | |
| height: 0; | |
| width: 0; | |
| } | |
| .annotation-group text { | |
| font-family: Comic Sans MS; | |
| fill: #222; | |
| fill-opacity: 0.8; | |
| stroke-opacity: 0; | |
| } | |
| .annotation-group path { | |
| stroke: #222; | |
| fill: #222; | |
| } | |
| .annotation-group .connector-dot { | |
| stroke: #fff; | |
| stroke-width: 0.5; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/d3-geo-projection.v1.min.js"></script> | |
| <script src="https://d3js.org/topojson.v2.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/rough.js/3.1.0/rough.js"/></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3-annotation/2.5.1/d3-annotation.min.js"></script> | |
| <svg id='filter'> | |
| <defs> | |
| <filter id="outline"> | |
| <feMorphology | |
| in="SourceAlpha" | |
| result="DILATED" | |
| operator="dilate" | |
| radius="2" /> | |
| <feFlood | |
| flood-color="#fff" | |
| flood-opacity="1" | |
| result="OUTLINECOLOUR" /> | |
| <feComposite | |
| in="OUTLINECOLOUR" | |
| in2="DILATED" | |
| operator="in" | |
| result="OUTLINE" /> | |
| <feMerge> | |
| <feMergeNode in="OUTLINE" /> | |
| <feMergeNode in="SourceGraphic" /> | |
| </feMerge> | |
| </filter> | |
| </defs> | |
| </svg> | |
| <script> | |
| const pathToRcPath = (d, color) => { | |
| const rcPath = color ? rc.path(path(d), { fill: color }) : rc.path(path(d)); | |
| const pathD = d3.select(rcPath) | |
| .select('path') | |
| .attr('d') | |
| return pathD; | |
| } | |
| var width = 960, | |
| height = 500; | |
| var projection = d3.geoPolyhedralWaterman() | |
| projection.rotate([-65,0]) | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| var graticule = d3.geoGraticule(); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| const rc = rough.svg(svg.node()); | |
| var defs = svg.append("defs"); | |
| defs.append("path") | |
| .datum({type: "Sphere"}) | |
| .attr("id", "sphere") | |
| .attr("d", path); | |
| defs.append("clipPath") | |
| .attr("id", "clip") | |
| .append("use") | |
| .attr("xlink:href", "#sphere"); | |
| svg.append("use") | |
| .attr("class", "stroke") | |
| .attr("xlink:href", "#sphere"); | |
| svg | |
| .append('path') | |
| .datum({type: "Sphere"}) | |
| .attr("id", "sphere") | |
| .attr("d", pathToRcPath); | |
| d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-110m.json", function(error, world) { | |
| // draw gaticule | |
| svg.append("path") | |
| .datum(graticule) | |
| .attr("class", "graticule") | |
| .attr("clip-path", "url(#clip)") | |
| .attr("d", pathToRcPath); | |
| // draw land | |
| const pathLandRough = path(topojson.feature(world, world.objects.land)); | |
| const res = rc.path(pathLandRough, { fill: 'rgba(0,0,0,0.1)', fillStyle: 'cross-hatch', stroke: 'rgba(0,0,0,0.7)' }) | |
| res.setAttribute('id', 'roughLand') | |
| svg.node().appendChild(res) | |
| svg.select('#roughLand').selectAll('path') | |
| .each(function() { | |
| const el = d3.select(this) | |
| el.attr("clip-path", "url(#clip)") | |
| }) | |
| // draw country paths | |
| svg.insert("path",) | |
| .datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; })) | |
| .attr("class", "boundary") | |
| .attr("clip-path", "url(#clip)") | |
| .attr("d", pathToRcPath); | |
| const createAnnotation = (title, label, lng, lat, offsetX, offsetY) => { | |
| const xy = projection([lng, lat]) | |
| return ( | |
| { | |
| note: { | |
| title: title, | |
| label: label, | |
| wrap: 150, | |
| }, | |
| connector: { | |
| end: "dot", | |
| type: "line", | |
| }, | |
| x: xy[0], | |
| y: xy[1], | |
| dx: offsetX, | |
| dy: offsetY | |
| }) | |
| } | |
| const annotations = [] | |
| annotations.push(createAnnotation('Stockholm (1976)', 'First 20 years', 18.063240, 59.334591, 60, -150 )) | |
| annotations.push(createAnnotation('London (2003)', 'MSc. Machine Learning', -0.118092, 51.509865, -225, 75 )) | |
| annotations.push(createAnnotation('Shanghai (2008)', 'Made first professional dataviz', 121.469170, 31.224361, 250, 20 )) | |
| annotations.push(createAnnotation('Copenhagen (2012)', 'Master of Disaster Management', 12.568337, 55.676098, 75, 225 )) | |
| const makeAnnotations = d3.annotation() | |
| .type(d3.annotationLabel) | |
| .annotations(annotations) | |
| d3.select("svg:last-of-type") | |
| .append("g") | |
| .attr("class", "annotation-group") | |
| .call(makeAnnotations) | |
| }); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
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