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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>route</title> | |
| <script src="//d3js.org/queue.v1.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script> | |
| <script src="//d3js.org/topojson.v1.min.js"></script> | |
| </head> | |
| <body> | |
| <canvas id="globe" width='960' height='600'/> | |
| <script> | |
| var width = 960, | |
| height = 600; | |
| var radius = height / 2 - 5, | |
| scale = radius, | |
| sens = 0.25; | |
| var projection = d3.geo.orthographic() | |
| .translate([width / 2, height / 2]) | |
| .scale(scale) | |
| .clipAngle(90); | |
| var canvas = document.getElementById('globe'); | |
| var context = canvas.getContext("2d"); | |
| var path = d3.geo.path() | |
| .projection(projection) | |
| .context(context); | |
| d3.select(canvas) | |
| .call(d3.behavior.drag() | |
| .origin(function() { | |
| var r = projection.rotate(); | |
| return { | |
| x: r[0] / sens, | |
| y: -r[1] / sens | |
| }; | |
| }) | |
| .on('drag', function() { | |
| var lng = -d3.event.x * sens; | |
| var lat = d3.event.y * sens; | |
| // Disallow rotation beyond the poles. | |
| lat = lat > 89 ? 89 : lat < -89 ? -89 : lat; | |
| projection.rotate([-lng, -lat]); | |
| }) | |
| ); | |
| //var route = {"type":"FeatureCollection","features":[{"type":"Feature","properties":{},"geometry":{"type":"LineString","coordinates":[[2.548828125,50.28933925329178],[4.482421875,47.989921667414194],[7.294921874999999,46.92025531537451],[11.25,46.73986059969267],[15.380859374999998,46.37725420510028],[17.578125,44.653024159812],[18.544921875,43.068887774169625],[19.951171875,41.11246878918088],[22.587890625,41.57436130598913],[26.015625,41.44272637767212],[27.773437499999996,39.842286020743394],[31.289062500000004,39.90973623453719],[33.134765625,40.58058466412761],[34.892578125,41.244772343082076],[37.44140625,40.3130432088809],[41.30859375,40.111688665595956],[43.681640625,41.31082388091818],[46.845703125,40.58058466412761],[47.8125,38.75408327579141],[48.603515625,40.58058466412761],[55.107421875,44.653024159812],[57.216796875,44.84029065139799],[58.97460937499999,43.004647127794435],[61.34765625,41.902277040963696],[63.6328125,40.91351257612758],[66.005859375,39.436192999314095],[68.203125,39.842286020743394],[69.2578125,40.97989806962013],[71.71875,40.91351257612758],[72.421875,40.04443758460856],[74.794921875,40.713955826286046],[75.41015624999999,39.70718665682654],[78.3984375,38.685509760012],[83.3203125,38.54816542304656],[88.24218749999999,38.34165619279595],[90.966796875,38.41055825094609],[91.0546875,42.94033923363181],[94.39453125,42.87596410238256],[96.591796875,41.902277040963696],[97.734375,40.44694705960048],[97.998046875,38.47939467327645],[99.31640625,36.527294814546245],[100.72265625,34.95799531086792],[104.150390625,30.44867367928756],[108.6328125,27.059125784374068],[114.873046875,22.350075806124867]]}}]}; | |
| // Get data | |
| queue() | |
| .defer(d3.json, "/mbostock/raw/4090846/world-50m.json") | |
| .defer(d3.json, "/vitohuang/raw/a10e82eba30b357d6d4b4c58ba57f209/9d29ac67ad884987df09797a68ecb35ea47404e1/route.geojson") | |
| .await(ready); | |
| function ready(error, world, route) { | |
| if (error) throw error; | |
| var land = topojson.feature(world, world.objects.land); | |
| d3.timer(function(elapsed) { | |
| context.clearRect(0, 0, width, height); | |
| // Draw the land | |
| context.fillStyle = '#ccc'; | |
| context.strokeStyle = '#ccc'; | |
| context.beginPath(); | |
| path(land); | |
| context.fill(); | |
| // the route | |
| context.fillStyle = '#000'; | |
| context.strokeStyle = '#000'; | |
| context.beginPath(); | |
| path(route); | |
| context.fill(); | |
| context.beginPath(); | |
| context.arc(width / 2, height / 2, radius, 0, 2 * Math.PI, true); | |
| context.lineWidth = 2.5; | |
| context.stroke(); | |
| }); | |
| }; | |
| projection.rotate([-50, -30]); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> | |
| </body> | |
| </html> |
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