Redo of https://bl.ocks.org/mbostock/4180634 in D3v4
forked from piwodlaiwo's block: World Map in D3v4 with Auto Colors
-
-
Save tmm1/5010eea8fce404925874fd5b90d26115 to your computer and use it in GitHub Desktop.
World Map in D3v4 with Queue and Tooltips
This file contains hidden or 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
| license: mit |
This file contains hidden or 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> | |
| body { | |
| background: #fcfcfa; | |
| } | |
| .stroke { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 3px; | |
| } | |
| .fill { | |
| fill: #fff; | |
| } | |
| .graticule { | |
| fill: none; | |
| stroke: #777; | |
| stroke-width: .5px; | |
| stroke-opacity: .5; | |
| } | |
| .land { | |
| fill: #222; | |
| } | |
| .boundary { | |
| fill: none; | |
| stroke: #fff; | |
| stroke-width: .5px; | |
| } | |
| .country { | |
| cursor: pointer; | |
| } | |
| .tooltip{ | |
| background-color:rgba(0,0,0,0.5); | |
| color:#fff; | |
| padding: 10px; | |
| -webkit-border-radius:10px; | |
| -moz-border-radius:10px; | |
| border-radius:10px; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/topojson.v2.min.js"></script> | |
| <script src="https://d3js.org/d3-geo-projection.v1.min.js"></script> | |
| <script> | |
| //copied from http://bl.ocks.org/espinielli/4d17fa15a7a5084e217992f985fba484 | |
| d3.helper = {}; | |
| d3.helper.tooltip = function(accessor){ | |
| return function(selection){ | |
| var tooltipDiv; | |
| var bodyNode = d3.select('body').node(); | |
| selection.on("mouseover", function(d, i){ | |
| // Clean up lost tooltips | |
| d3.select('body').selectAll('div.tooltip').remove(); | |
| // Append tooltip | |
| tooltipDiv = d3.select('body').append('div').attr('class', 'tooltip'); | |
| var absoluteMousePos = d3.mouse(bodyNode); | |
| tooltipDiv.style('left', (absoluteMousePos[0] + 10)+'px') | |
| .style('top', (absoluteMousePos[1] - 15)+'px') | |
| .style('position', 'absolute') | |
| .style('z-index', 1001); | |
| // Add text using the accessor function | |
| var tooltipText = accessor(d, i) || ''; | |
| // Crop text arbitrarily | |
| //tooltipDiv.style('width', function(d, i){return (tooltipText.length > 80) ? '300px' : null;}) | |
| // .html(tooltipText); | |
| }) | |
| .on('mousemove', function(d, i) { | |
| // Move tooltip | |
| var absoluteMousePos = d3.mouse(bodyNode); | |
| tooltipDiv.style('left', (absoluteMousePos[0] + 10)+'px') | |
| .style('top', (absoluteMousePos[1] - 15)+'px'); | |
| var tooltipText = accessor(d, i) || ''; | |
| tooltipDiv.html(tooltipText); | |
| }) | |
| .on("mouseout", function(d, i){ | |
| // Remove tooltip | |
| tooltipDiv.remove(); | |
| }); | |
| }; | |
| }; | |
| </script> | |
| <script> | |
| var width = 960, | |
| height = 580; | |
| var color = d3.scaleOrdinal(d3.schemeCategory10); | |
| var projection = d3.geoKavrayskiy7() | |
| .scale(170) | |
| .translate([width / 2, height / 2]) | |
| .precision(.1); | |
| var path = d3.geoPath().projection(projection); | |
| var graticule = d3.geoGraticule(); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("defs").append("path") | |
| .datum({type: "Sphere"}) | |
| .attr("id", "sphere") | |
| .attr("d", path); | |
| svg.append("use") | |
| .attr("class", "stroke") | |
| .attr("xlink:href", "#sphere"); | |
| svg.append("use") | |
| .attr("class", "fill") | |
| .attr("xlink:href", "#sphere"); | |
| svg.append("path") | |
| .datum(graticule) | |
| .attr("class", "graticule") | |
| .attr("d", path); | |
| //data | |
| //https://github.com/zcreativelabs/react-simple-maps/blob/master/topojson-maps/world-50m.json | |
| //https://github.com/topojson/world-atlas | |
| d3.queue() | |
| .defer(d3.json, "https://cdn.rawgit.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-110m.json") | |
| .defer(d3.tsv, "https://cdn.rawgit.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-country-names.tsv") | |
| .await(ready); | |
| function ready(error, world, names) { | |
| if (error) throw error; | |
| var countries = topojson.feature(world, world.objects.countries).features, | |
| neighbors = topojson.neighbors(world.objects.countries.geometries); | |
| //map country names to IDs used on map | |
| var arr=[]; | |
| names.forEach(function(i){ | |
| arr[i.id]=i.name; | |
| }); | |
| svg.selectAll(".country") | |
| .data(countries) | |
| .enter().insert("path", ".graticule") | |
| .attr("class", "country") | |
| .attr("d", path) | |
| .style("fill", function(d, i) { | |
| return color(d.color = d3.max(neighbors[i], function(n) { | |
| return countries[n].color; | |
| }) + 1 | 0); | |
| }) | |
| .on('click', function(d, i) { | |
| window.location = "/sites/dev/pages/" + arr[d.id] + ".asp" | |
| }) | |
| .call(d3.helper.tooltip( | |
| function(d,i){ | |
| return "<b>"+arr[d.id]+ "</b>"; | |
| } | |
| )); | |
| svg.insert("path", ".graticule") | |
| .datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; })) | |
| .attr("class", "boundary") | |
| .attr("d", path); | |
| }; | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment