Hover over a country to get its name.
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October 28, 2017 15:09
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World Hover
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| license: mit | |
| border: none |
This file contains 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> | |
| canvas { | |
| cursor: crosshair | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script src="https://d3js.org/topojson.v1.min.js"></script> | |
| <script src="https://unpkg.com/rbush@1.4.3/rbush.js"></script> | |
| <script src="https://unpkg.com/d3-geo-projection@0.2.16/d3.geo.projection.min.js"></script> | |
| <script src="https://unpkg.com/spamjs@1.1.0/spam.min.js"></script> | |
| <script type='text/javascript'> | |
| var hover = null; | |
| var width = 960; | |
| var height = 500; | |
| var graticule = d3.geo.graticule(); | |
| 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(192, 224, 186)"; | |
| parameters.context.fill(); | |
| } | |
| }, | |
| dynamic: { | |
| postpaint: function(parameters) { | |
| if (!hover) return; | |
| parameters.context.beginPath(); | |
| parameters.context.lineWidth = 1.5 / parameters.scale; | |
| parameters.path(hover); | |
| parameters.context.stroke(); | |
| parameters.context.beginPath(); | |
| parameters.context.textAlign = "center"; | |
| parameters.context.font = "bold 50px sans-serif"; | |
| parameters.context.fillStyle = "rgba(70,70,70,0.5)"; | |
| parameters.context.fillText(hover.id, width / 2, height / 2); | |
| parameters.context.fill(); | |
| } | |
| }, | |
| events: { | |
| hover: function(parameters, d) { | |
| hover = d; | |
| parameters.map.paint(); | |
| } | |
| } | |
| } | |
| ] | |
| }); | |
| map.init(); | |
| }); | |
| </script> |
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