geoVoronoi atlas uniforme [UNLISTED]

by Philippe Rivière.

forked from Fil's block: geoVoronoi Delaunay links and Urquhart graph

<!DOCTYPE html>
<meta charset="utf-8">
<style>
    #sphere {
        fill: #fff;
        stroke: #444;
        stroke-width: 2;
    }
    .polygons {
        stroke: #444;
    }

.links {
        stroke: #aaa;
        stroke-width: 0.5;
        fill: none;
    }

.links .secondary {
        stroke-width: .5;
        stroke-dasharray: 3 1;
    }
    
    .sites {
        stroke: black;
        fill: white;
    }
    
    #legend {
        position: absolute;
        top: 15;
        left: 15;
        font-family: sans-serif;
    }
  
  .countries {
    fill: #999;
    opacity: 0.3;
  }
  
  text {
    /*fill: white;*/
    font-family: sans-serif;
    font-size: 12px;
  }
</style>
<div id="legend">
GeoVoronoi des feuilles de l'Atlas uniforme
</div>
<svg width="960" height="600"></svg>

feuilles = [
[1, "Arctide … Pôle Nord", 0,90, -90 + 25], // rotation de maniere a avoir le golfe de Botnie à droite
[2, "Europe", 20,54],
[3, "Oural et Yenissei", 90, 61],
[4, "Amour et Lena", 141, 57],
[5, "Alaska", -161, 57],
[6, "Mackenzie et Hudson", -98, 61],
[7, "Atlantique boréal", -39, 57],
[8, "Méditerranée et Sahara", 12, 32],
[9, "Caspienne", 58, 40],
[10, "Euphrate et Gange", 65, 24],
[11, "Chine", 113, 27],
[12, "Japon", 160, 29],
[13, "Hawaï", -146, 29],
[14, "Mississippi et Saint-Laurent", -94, 35],
[15, "Antilles", -80, 20],
[16, "Atlantique, de Lisbonne à la Trinidad", -40, 29],
[17, "Nil", 29, 13],
[18, "Océan Indien Asiatique", 70, 7],
[19, "Insulasie", 118, 1],
[20, "Mélanésie", 160, 0],
[21, "Polynésie", -152, 0],
[22, "Galapagos", -104, 0],
[23, "Amazone", -59, 0],
[24, "Atlantique équatorial", -14, 0],
[25, "Zambèze et Cap", 33, -20],
[26, "Océan Indien, de Maurice à Perth", 84, -24],
[27, "Australie", 134, -26],
[28, "Nouvelle Zélande", 178, -30],
[29, "Pomotou", -123, -24],
[30, "Paraná", -68, -24],
[31, "Atlantique, de Rio au Cap", -17, -24],
[32, "Kerguelen, Enderby", 48, -55],
[33, "Océan Indien Austral", 108, -55],
[34, "Antipodes", 168, -55],
[35, "Pacifique Austral", -132, -55],
[36, "Cap Horn", -72, -55],
[37, "Atlantique austral", -12, -55],
[38, "Pôle Sud", 0, -88.7, 90 - 102],
    // idem pole nord, sur l'angle 102° (-78° si on préfère retourner)
    // ajout petit décalage Philippe Rivière à -88.5° pour avoir toute la masse continentale 
]
  
var points = {
    type: "FeatureCollection",
    features: feuilles.map(d => {
        return {
          type: "Point",
          coordinates: [ d[2], d[3] ],
          properties: { name: `${d[0]}. ${d[1]}` }
        }
    })
}

var v = d3.geoVoronoi()(points);

var projection = d3.geoEquirectangular().rotate([-175,0]), //d3.geoOrthographic(),
    path = d3.geoPath().projection(projection);

var svg = d3.select("svg");

svg.append('path')
    .attr('id', 'sphere')
    .datum({ type: "Sphere" })
    .attr('d', path);

svg.append('g')
    .attr('class', 'polygons')
    .selectAll('path')
    .data(v.polygons().features)
    .enter()
    .append('path')
    .attr('d', path)
    .attr('fill', function(_,i) { return d3.schemeCategory10[i%10]; })
    .attr('fill-opacity', 0.3)
.append('title').text((d,i) => `${feuilles[i][0]}. ${feuilles[i][1]}`);

countries   = svg.append('g')
                .attr('class', 'countries')
  
svg.append('g')
    .attr('class', 'links')
    .selectAll('path')
    .data(v.links().features)
    .enter()
    .append('path')
    .classed('secondary', function(d) {
        return !d.properties.urquhart;
    })
    .attr('d', path);

svg.append('g')
    .attr('class', 'sites')
    .selectAll('path')
    .data(points.features)
    .enter()
    .append('path')
    .attr('d', path);

svg.append('g')
    .attr('class', 'labels')
    .selectAll('text')
    .data(points.features)
    .enter()
    .append('text')
  .attr('text-anchor', 'middle')
    .attr('x', d => Math.max(70,projection(d.coordinates)[0]))
    .attr('y', d => Math.max(45,projection(d.coordinates)[1]-8))
  .text(d => d.properties.name.length > 23 ? d.properties.name.substring(0,18)+'…' : d.properties.name)
  ;

// gentle animation
  if (false)
d3.interval(function(elapsed) {
    projection.rotate([ elapsed / 150, 0 ]);
    svg.selectAll('path')
        .attr('d', path);
}, 50);

d3.queue()
        .defer(d3.json, 'countries.topo.json')
        .await(function (err, wjson) {

countries
                .selectAll('path')
                .data(topojson.feature(wjson, wjson.objects.countries).features)
                .enter()
                .append('path')
       .attr('d', path);
     });
  
</script>

https://d3js.org/d3.v4.min.js

https://unpkg.com/d3-geo-voronoi@0

https://d3js.org/topojson.v1.min.js