287 lines
8.3 KiB
JavaScript
287 lines
8.3 KiB
JavaScript
// see also: http://bl.ocks.org/dwtkns/4973620
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var width = window.innerWidth;
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var height = window.innerHeight;
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const eu_countries = ['Austria', 'Italy', 'Belgium', 'Latvia', 'Bulgaria', 'Lithuania', 'Croatia', 'Luxembourg', 'Cyprus', 'Malta', 'Czechia', 'Netherlands', 'Denmark', 'Poland', 'Estonia ', 'Portugal', 'Finland ', 'Romania', 'France', 'Slovakia', 'Germany', 'Slovenia', 'Greece', 'Spain', 'Hungary', 'Sweden', 'Ireland'];
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const config = {
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'max_y_rotation' : 55,
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}
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var graph = {
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nodes: [
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{ id: "New York", lat: 40.706109, lon: -74.01194 },
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{ id: "London", lat: 51.508070, lon: -0.126432 },
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{ id: "Montevideo", lat: -34.901776, lon: -56.163983 },
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{ id: "London-NewYork1" },
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{ id: "London-NewYork2" },
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{ id: "London-NewYork3" },
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{ id: "Montevideo-London" }
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],
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links: [
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{ source: "New York", target: "London-NewYork1" },
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{ source: "New York", target: "London-NewYork2" },
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{ source: "New York", target: "London-NewYork3" },
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{ source: "London-NewYork1", target: "London" },
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{ source: "London-NewYork2", target: "London" },
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{ source: "London-NewYork3", target: "London" },
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{ source: "London", target: "Montevideo-London" },
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{ source: "Montevideo-London", target: "Montevideo" }
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]
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}
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const force = d3.forceSimulation()
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.force("link", d3.forceLink()
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.id(function (d) {
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return d.id;
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})
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.distance(10))
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.force("charge", d3.forceManyBody().strength(-200));
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const svg = d3.select("body")
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.append("svg")
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.attr("width", width)
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.attr("height", height);
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const container = svg.append("g").attr("id", "container");
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const projection = d3.geoOrthographic()
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.center([0, 0])
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.translate([width / 2, height / 2])
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.rotate([ -12, -52, 0])
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.clipAngle(90)
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.scale(height*1.5);
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const proj = d3.geoPath().projection(projection);
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const graticule = d3.geoGraticule10();
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const g_countries = container.append("g").attr("id", "countries");
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const g_borders = container.append("g").attr("id", "borders");
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container.append("g")
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.append('path')
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.attr("class", "graticule")
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.attr('d', proj(graticule))
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.attr("fill", "none")
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.attr("stroke-width", "!px")
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.attr("stroke", (n) => {
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return "lightgray";
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});
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;
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d3.json("https://cdn.jsdelivr.net/npm/world-atlas@2/countries-110m.json").then(function (world) {
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// land = topojson.feature(world, world.objects.land)
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const borders = topojson.mesh(world, world.objects.countries, (a, b) => a !== b)
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console.log(borders);
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const countries = topojson.feature(world, world.objects.countries).features;
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// console.log(topojson.feature(world, world.objects.countries).features);
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g_countries.selectAll("path")
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.data(countries)
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.enter()
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.append("path")
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.attr("class", "countries")
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.attr("d", proj)
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.attr("fill", (n) => {
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if(eu_countries.indexOf(n.properties.name) !== -1) {
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return '';
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}
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return "lightgray";
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});
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g_borders//.selectAll("path")
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// .data(borders)
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// .enter()
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.append("path")
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.attr("class", "borders")
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.attr("d", proj(borders))
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.attr("fill", "none")
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.attr("stroke-width", "2px")
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.attr("stroke", (n) => {
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return "white";
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});
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const links = container.append('g')
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.attr("id", "links")
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.selectAll("line")
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.data(graph.links)
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.enter()
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.append("line")
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.attr("stroke-width", 2)
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.attr("stroke", "black");
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const nodes = container.append('g')
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.attr("id", "nodes")
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.selectAll("circle")
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.data(graph.nodes)
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.enter()
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.append("circle")
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.attr('r', 5)
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.call(d3.drag()
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.on("start", dragInicia)
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.on("drag", dragging)
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.on("end", dragTermina));
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force.nodes(graph.nodes);
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force.force("link").links(graph.links);
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graph.nodes.forEach(function (d) {
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if (d.lon && d.lat) {
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var p = projection([d.lon, d.lat]);
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d.fx = p[0];
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d.fy = p[1];
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}
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})
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//simulación y actualizacion de la posicion de los nodos en cada "tick"
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force.on("tick", function () {
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links
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.attr('x1', function (d) {
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return d.source.x;
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})
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.attr('y1', function (d) {
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return d.source.y;
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})
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.attr('x2', function (d) {
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return d.target.x;
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})
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.attr('y2', function (d) {
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return d.target.y;
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})
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;
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nodes
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.attr('cx', function (d) {
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return d.x;
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})
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.attr('cy', function (d) {
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return d.y;
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})
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;
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})
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function dragInicia(d) {
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if (!d.lon || !d.lat) {
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if (!d3.event.active) force.alphaTarget(0.3).restart();
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d.fx = d.x;
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d.fy = d.y;
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}
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}
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function dragging(d) {
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if (!d.lon || !d.lat) {
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d.fx = d3.event.x;
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d.fy = d3.event.y;
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}
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}
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function dragTermina(d) {
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if (!d.lon || !d.lat) {
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if (!d3.event.active) force.alphaTarget(0);
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d.fx = null;
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d.fy = null;
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}
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}
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function refresh() {
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container.selectAll(".countries").attr("d", proj);
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container.selectAll(".graticule").attr("d", proj(graticule));
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container.selectAll(".borders").attr("d", proj(borders));
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// console.log(graph.nodes);
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force.alpha = 0;
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force.restart();
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graph.nodes.forEach(function (d) {
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if (d.lon && d.lat) {
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var p = projection([d.lon, d.lat]);
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d.fx = p[0];
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d.fy = p[1];
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}
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})
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}
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// svg.call(d3.zoom().extent([[0,0],[1,1]]).scaleExtent([0.3, 6]).on("start", function () {
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// // svg.node().classList.add("dragging");
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// }).on("end", function () {
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// // svg.node().classList.remove("dragging");
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// }).on("zoom", function ({ transform }) {
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// // container.attr("transform", transform);
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// o = [transform.x/6, -transform.y/6];
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// o[1] = o[1] > config.max_y_rotation ? config.max_y_rotation :
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// o[1] < -config.max_y_rotation ? -config.max_y_rotation :
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// o[1];
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// projection .rotate(o).scale(window.innerHeight*1.5*transform.k)
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// refresh();
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// // container.attr("transform", "scale(" + transform.k + ")");
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// }));
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// svg.on("wheel.zoom", (e) => {
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// }, {passive: false})
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d3.geoZoom()
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.northUp(true)
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.projection(projection)
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.scaleExtent([.3, 6])
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.onMove(refresh)(svg.node());
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// (<mapDomNode>);
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// d3.select('svg').call(d3.drag()
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// .on("start", mousedown)
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// .on("drag", mousemove)
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// .on("end", mouseup));
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// var m0, o0;
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// function mousedown(e) {
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// m0 = [d3.event.x, d3.event.y];
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// o0 = projection.rotate();
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// console.log(e, d3.event, m0,o0);
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// // d3.event.preventDefault();
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// }
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// function mousemove() {
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// if (m0) {
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// var m1 = [d3.event.x, d3.event.y]
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// , o1 = [o0[0] + (m1[0] - m0[0]) / 6, o0[1] + (m0[1] - m1[1]) / 6];
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// o1[1] = o1[1] > config.max_y_rotation ? config.max_y_rotation :
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// o1[1] < -config.max_y_rotation ? -config.max_y_rotation :
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// o1[1];
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// projection.rotate(o1);
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// // sky.rotate(o1);
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// refresh();
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// }
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// }
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// function mouseup() {
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// if (m0) {
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// mousemove();
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// m0 = null;
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// }
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// }
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function resize(){
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width = window.innerWidth;
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height = window.innerHeight;
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d3.selectAll('svg')
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.attr("width", width)
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.attr("height", height);
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projection.translate([width / 2, height / 2]);
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projection.scale(height*1.5);
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refresh();
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}
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window.addEventListener('resize', resize);
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});
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