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December 16, 2015 08:39
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An updated spinny map to work with the new api's
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| <!doctype html> | |
| <html class="no-js" lang="en"> | |
| <meta charset="utf-8"> | |
| <style> | |
| svg { | |
| width: 800px; | |
| height: 800px; | |
| pointer-events: all; | |
| } | |
| circle { | |
| fill: #dbe4f0; | |
| } | |
| path { | |
| fill: #aaa; | |
| stroke: #fff; | |
| } | |
| #header { | |
| top: 7px; | |
| left: 685px; | |
| text-align: right; | |
| width: auto; | |
| } | |
| #header div { | |
| font-size: 12px; | |
| } | |
| .tip { color: #999; } | |
| </style> | |
| <body> | |
| <div id="container"> | |
| </div> | |
| <div id="body"> | |
| <div id="header"> | |
| d3.geo.azimuthal | |
| <div><label for="proj">Projection: </label><select id="proj"> | |
| <option value="azimuthalEqualArea">azimuthalEqualArea</option> | |
| <option value="azimuthalEquidistant">azimuthalEquidistant </option> | |
| <option value="gnomonic">gnomonic</option> | |
| <option value="orthographic" selected>orthographic</option> | |
| <option value="stereographic">stereographic</option> | |
| </select></div> | |
| <div class="tip">drag to rotate the origin</div> | |
| <div><label for="animate">animate:</label> | |
| <input id="animate" type="checkbox" checked> | |
| </div> | |
| </div> | |
| </div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| console.log('drawing like a bauss'); | |
| var width = 800; | |
| var height = 800; | |
| var feature, // eventually: all svg paths (countries) of the world | |
| toggle; // animation on/off control | |
| var scale = { | |
| orthographic: 380, | |
| stereographic: 380, | |
| gnomonic: 380, | |
| azimuthalEquidistant: 380 / Math.PI * 2, | |
| azimuthalEqualArea: 380 / Math.SQRT2 | |
| }; | |
| var clipAngle = { | |
| orthographic: 90, | |
| stereographic: 90, | |
| gnomonic: 80, | |
| azimuthalEquidistant: 90, | |
| azimuthalEqualArea: 90 | |
| }; | |
| // var clipAngle = { | |
| // orthographic: 90, | |
| // stereographic: 170, | |
| // gnomonic: 80, | |
| // azimuthalEquidistant: 180 - 1e-3, | |
| // azimuthalEqualArea: 180 - 1e-3 | |
| // }; | |
| var projections = { | |
| orthographic: d3.geo.orthographic().translate([width/2, height/2]).scale(scale.orthographic).clipAngle(clipAngle.orthographic), | |
| stereographic: d3.geo.stereographic().translate([width/2, height/2]).scale(scale.stereographic).clipAngle(clipAngle.stereographic), | |
| gnomonic: d3.geo.gnomonic().translate([width/2, height/2]).scale(scale.gnomonic).clipAngle(clipAngle.gnomonic), | |
| azimuthalEquidistant: d3.geo.azimuthalEquidistant().translate([width/2, height/2]).scale(scale.azimuthalEquidistant).clipAngle(clipAngle.azimuthalEquidistant), | |
| azimuthalEqualArea: d3.geo.azimuthalEqualArea().translate([width/2, height/2]).scale(scale.azimuthalEqualArea).clipAngle(clipAngle.azimuthalEqualArea) | |
| }; | |
| var projection = projections.orthographic; | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("#body").append("svg:svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .on("mousedown", mousedown); | |
| if (frameElement) { | |
| frameElement.style.height = '800px'; | |
| } | |
| d3.json("/jeremybuis/raw/5406962/world-50m.json", function(error, world) { | |
| var collection = topojson.feature(world, world.objects.subunits).features; | |
| feature = svg.selectAll("path") | |
| .data(collection) | |
| .enter().append("svg:path") | |
| .attr("d", clip); | |
| feature.append("svg:title") | |
| .text(function(d) { return d.properties.name; }); | |
| startAnimation(); | |
| d3.select('#animate').on('click', function () { | |
| if (done) { | |
| startAnimation(); | |
| } else { | |
| stopAnimation(); | |
| } | |
| }); | |
| }); | |
| function stopAnimation() { | |
| done = true; | |
| d3.select('#animate').node().checked = false; | |
| } | |
| function startAnimation() { | |
| done = false; | |
| d3.timer(function() { | |
| var origin = projection.center(); | |
| var rotation = projection.rotate(); | |
| rotation = [rotation[0] + 0.18, rotation[1] + 0.06]; | |
| projection.rotate(rotation); | |
| refresh(); | |
| return done; | |
| }); | |
| } | |
| function animationState() { | |
| return 'animation: '+ (done ? 'off' : 'on'); | |
| } | |
| d3.select(window) | |
| .on("mousemove", mousemove) | |
| .on("mouseup", mouseup); | |
| d3.select("select").on("change", function() { | |
| stopAnimation(); | |
| projection = projections[this.value]; | |
| path.projection(projection); | |
| // projection.mode(this.value).scale(scale[this.value]); | |
| refresh(750); | |
| }); | |
| var m0, o0, done; | |
| function mousedown() { | |
| stopAnimation(); | |
| m0 = [d3.event.pageX, d3.event.pageY]; | |
| o0 = projection.rotate(); | |
| d3.event.preventDefault(); | |
| } | |
| function mousemove() { | |
| if (m0) { | |
| var m1 = [d3.event.pageX, d3.event.pageY], | |
| // o1 = [-1 * (o0[0] + (m0[0] - m1[0]) / 8), -1 * (o0[1] + (m1[1] - m0[1]) / 8)]; | |
| o1 = [(o0[0] + (m0[0] - m1[0]) / 8), (o0[1] + (m1[1] - m0[1]) / 8)]; | |
| projection.rotate(o1); | |
| refresh(); | |
| } | |
| } | |
| function mouseup() { | |
| if (m0) { | |
| mousemove(); | |
| m0 = null; | |
| } | |
| } | |
| function refresh(duration) { | |
| (duration ? feature.transition().duration(duration) : feature).attr("d", clip); | |
| } | |
| function clip(d) { | |
| return path(d); | |
| } | |
| function reframe(css) { | |
| for (var name in css) { | |
| frameElement.style[name] = css[name] + 'px'; | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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