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Counties of Laos
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| <!DOCTYPE html> | |
| <style> | |
| h1 { | |
| font-family:arial; | |
| font-size:32px; | |
| color:#333; | |
| } | |
| #info { | |
| position:absolute; | |
| top: 10px; | |
| left: 10px; | |
| } | |
| .county-borders { | |
| fill: none; | |
| stroke: rgba(255,255,255,0.5); | |
| stroke-width: 0.25px; | |
| stroke-linejoin: round; | |
| stroke-linecap: round; | |
| pointer-events: none; | |
| } | |
| </style> | |
| <body> | |
| <svg></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/topojson.v2.min.js"></script> | |
| <script> | |
| var margin = {top : 0, left: 0, right: 0, bottom:0}; | |
| var height = window.innerHeight | |
| || document.documentElement.clientHeight | |
| || document.body.clientHeight; | |
| var width = window.innerWidth | |
| || document.documentElement.clientWidth | |
| || document.body.clientWidth; | |
| var svg = d3.select("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var tooltip = d3.select("body").append("div").style("opacity","0").style("position","absolute"); | |
| svg.append('rect') | |
| .attr('class', 'background') | |
| .attr('width', width) | |
| .attr('height', height) | |
| .attr("fill","#191930"); | |
| function dragged(){ | |
| d3.select().attr("transform","translate("+d3.event.x+","+d3.event.y+")"); | |
| } | |
| var tooltip = d3.select("body").append("div").style("opacity","0").style("position","absolute"); | |
| svg.append("text") | |
| .attr("x", (width / 4.2)) | |
| .attr("y", (height / 1.2)) | |
| .attr("text-anchor", "middle") | |
| .style("font-size", "18px") | |
| .style("fill","lightyellow") | |
| .style("text-decoration","underline") | |
| .text("The Counties of the Lao People's Democratic Republic"); | |
| var projection = d3.geoMercator() | |
| .scale(width*3.2) | |
| .rotate([-104.4331, -18.20]) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| d3.json("laos.json", function(error, data) { | |
| if (error) throw error; | |
| console.log(data); | |
| svg.append("g") | |
| .attr("class", "counties") | |
| .selectAll("path") | |
| .data(topojson.feature(data, data.objects.county).features) | |
| .enter().append("path") | |
| .attr("d", path) | |
| .attr("fill","blue") | |
| .attr("stroke","rgba(250,20,20,0.5)") | |
| .on("mousemove",function(d){ | |
| this.style.fill = "red" | |
| tooltip.style("opacity","1") | |
| .style("left",(d3.event.pageX + width/4.5) +"px") | |
| .style("top",d3.event.pageY+"px") | |
| .style("color","lightyellow") | |
| .style("font-size","14px") | |
| tooltip.html(d.properties["name:eng_x_preferred"])}) | |
| .on("mouseout", function(){ this.style.fill = "blue"}); | |
| svg.append("path") | |
| .attr("class", "county-borders") | |
| .attr("d", path(topojson.mesh(data, data.objects.county, function(a, b) { return a !== b; }))); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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