This example belongs to the presentation made to the OSGeo local group in Barcelona Geoinquiets The example is an adaptation from Mike Bostock's Symbol Map example
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December 15, 2015 01:39
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Geoinquiets' Rotating Logo
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .logo .verd1 { | |
| fill: #1c390d; | |
| } | |
| .logo .verd2 { | |
| fill: #738815; | |
| } | |
| @font-face { | |
| font-family:book; | |
| src: url("ANTQUAB.TTF"); /* TTF file for CSS3 browsers */ | |
| } | |
| .logo text { | |
| /*font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;*/ | |
| font-family: "book", serif; | |
| font-weight: bold; | |
| fill: #738815; | |
| } | |
| .foreground { | |
| fill: #fcf1c9; | |
| stroke: #333; | |
| stroke-width: 1.5px; | |
| } | |
| .land { | |
| fill: #ca5934; | |
| stroke: #766951; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/topojson.v0.min.js"></script> | |
| <script> | |
| var width = 500, | |
| height = 500, | |
| mapDiameter = 160; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 2 + ") rotate(-10, 0, 0)"); | |
| var gradient = svg.append("defs").append("radialGradient") | |
| .attr("id", "gradient") | |
| .attr("cx", "75%") | |
| .attr("cy", "25%"); | |
| gradient.append("stop") | |
| .attr("offset", "5%") | |
| .attr("stop-color", "#142809"); | |
| gradient.append("stop") | |
| .attr("offset", "100%") | |
| .attr("stop-color", "#2a5614"); | |
| var gradient2 = svg.append("defs").append("radialGradient") | |
| .attr("id", "gradient2") | |
| .attr("cx", "75%") | |
| .attr("cy", "25%"); | |
| gradient2.append("stop") | |
| .attr("offset", "5%") | |
| .attr("stop-color", "#fcf1c9"); | |
| gradient2.append("stop") | |
| .attr("offset", "100%") | |
| .attr("stop-color", "#d9d0ad"); | |
| var logo = svg.append("g") | |
| .attr("class", "logo"); | |
| logo.append("path") | |
| .style("fill", "url(#gradient)") | |
| .attr("d", d3.svg.arc() | |
| .startAngle(0) | |
| .innerRadius(mapDiameter) | |
| .outerRadius(240) | |
| .endAngle(2*Math.PI)); | |
| logo.append("path") | |
| .attr("class", "verd2") | |
| .attr("d", d3.svg.arc() | |
| .startAngle(0) | |
| .innerRadius(223) | |
| .outerRadius(230) | |
| .endAngle(2*Math.PI)); | |
| logo.append("path") | |
| .attr("class", "verd2") | |
| .attr("d", d3.svg.arc() | |
| .startAngle(0) | |
| .innerRadius(mapDiameter) | |
| .outerRadius(163) | |
| .endAngle(2*Math.PI)); | |
| logo.append("path") | |
| .attr("id", "anellaInterior") | |
| .attr("d", d3.svg.arc() | |
| .startAngle(0) | |
| .innerRadius(175) | |
| .outerRadius(175) | |
| .endAngle(2*Math.PI)); | |
| logo.append("path") | |
| .attr("id", "anellaExterior") | |
| .attr("d", d3.svg.arc() | |
| .startAngle(Math.PI/2) | |
| .innerRadius(220) | |
| .outerRadius(220) | |
| .endAngle(3* Math.PI/2)); | |
| logo.append("text") | |
| .style("font-size","46px") | |
| .append("textPath") | |
| .attr("xlink:href","#anellaInterior") | |
| .attr("startOffset",360) | |
| .text("GEOINQUIETS") | |
| logo.append("text") | |
| .style("font-size","25px") | |
| .append("textPath") | |
| .attr("xlink:href","#anellaExterior") | |
| .attr("startOffset",950) | |
| .text("amb l'ànima inquieta") | |
| var velocity = .005, | |
| then = Date.now(); | |
| var projection = d3.geo.orthographic() | |
| .scale(mapDiameter) | |
| .translate([0, 0]) | |
| .clipAngle(90); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var globe = {type: "Sphere"}; | |
| var map = svg.append("g") | |
| .attr("class", "map"); | |
| map.append("path") | |
| .datum(globe) | |
| .style("fill", "url(#gradient2)") | |
| .attr("d", path); | |
| d3.json("/mbostock/raw/4090846/world-110m.json", function(error, world) { | |
| var land = topojson.object(world, world.objects.land), | |
| globe = {type: "Sphere"}; | |
| map.insert("path") | |
| .datum(topojson.object(world, world.objects.land)) | |
| .attr("class", "land") | |
| .attr("d", path); | |
| d3.timer(function() { | |
| var angle = velocity * (Date.now() - then); | |
| projection.rotate([angle,0,0]); | |
| map.selectAll("path") | |
| .attr("d", path.projection(projection)); | |
| }); | |
| }); | |
| </script> |
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