Click on a country.
Miccah Stubbs produced an improved version.
Last active
July 15, 2018 23:50
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Chatty Map
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| license: mit | |
| border: none | |
| height: 510 |
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 { | |
| max-width: 960px; | |
| } | |
| canvas { | |
| cursor: crosshair | |
| } | |
| select { | |
| display: table; | |
| margin: 0 auto; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script src="https://d3js.org/queue.v1.min.js"></script> | |
| <script src="https://d3js.org/topojson.v1.min.js"></script> | |
| <script src="https://unpkg.com/d3-geo-projection@0.2.16/d3.geo.projection.min.js"></script> | |
| <script src="https://unpkg.com/rbush@1.4.3/rbush.js"></script> | |
| <script src="https://unpkg.com/spamjs@1.1.0/spam.min.js"></script> | |
| <script src='https://code.responsivevoice.org/responsivevoice.js'></script> | |
| <script type='text/javascript'> | |
| var hover = null; | |
| var width = 960; | |
| var height = 500; | |
| var graticule = d3.geo.graticule(); | |
| // Get the list of the voices | |
| var voicelist = responsiveVoice.getVoices(); | |
| // Create the selector | |
| d3 | |
| .select("body") | |
| .append("select") | |
| .selectAll("option") | |
| .data(voicelist) | |
| .enter() | |
| .append("option") | |
| .text(function(d) { | |
| return d.name; | |
| }) | |
| .attr("value", function(d) { | |
| return d.name; | |
| }); | |
| // Fire the lang function according to the selector | |
| d3.select("select").on("change", lang); | |
| function lang() { | |
| var selectedValue = d3.event.target.value; | |
| // Set the voice | |
| return responsiveVoice.setDefaultVoice(selectedValue); | |
| } | |
| d3.json("world.json", function(error, d) { | |
| topojson.presimplify(d); | |
| var map = new StaticCanvasMap({ | |
| element: "body", | |
| width: width, | |
| projection: d3.geo.robinson(), | |
| data: [ | |
| { | |
| features: topojson.feature(d, d.objects["countries"]), | |
| static: { | |
| prepaint: function(parameters) { | |
| parameters.context.beginPath(); | |
| parameters.path(graticule()); | |
| parameters.context.lineWidth = 0.5; | |
| parameters.context.strokeStyle = "rgb(200,200,200)"; | |
| parameters.context.stroke(); | |
| parameters.context.beginPath(); | |
| parameters.path({ type: "Sphere" }); | |
| parameters.context.lineWidth = 1; | |
| parameters.context.strokeStyle = "rgb(30,30,30)"; | |
| parameters.context.stroke(); | |
| }, | |
| paintfeature: function(parameters, d) { | |
| parameters.context.lineWidth = 0.5; | |
| parameters.context.strokeStyle = "rgb(30,30,30)"; | |
| parameters.context.stroke(); | |
| parameters.context.fillStyle = "rgb(188, 223, 255)"; | |
| parameters.context.fill(); | |
| } | |
| }, | |
| dynamic: { | |
| postpaint: function(parameters) { | |
| if (!hover) return; | |
| parameters.context.beginPath(); | |
| parameters.context.lineWidth = 1 / parameters.scale; | |
| parameters.path(hover); | |
| parameters.context.stroke(); | |
| } | |
| }, | |
| events: { | |
| click: function(parameters, d) { | |
| // When clicking on a feature, say the name of that country | |
| d && responsiveVoice.speak(d.id); | |
| }, | |
| hover: function(parameters, d) { | |
| hover = d; | |
| parameters.map.paint(); | |
| } | |
| } | |
| } | |
| ] | |
| }); | |
| map.init(); | |
| }); | |
| </script> |
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