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world map using d3 v5
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| license: mit |
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| .sphere { | |
| fill:#4242e4; | |
| } | |
| .country{ | |
| /* fill:lightgreen; */ | |
| stroke:black; | |
| stroke-width:1; | |
| stroke-opacity:0.5; | |
| } | |
| .tooltips{ | |
| position: absolute; | |
| background-color: #fff; | |
| opacity: .9; | |
| width:auto; | |
| text-align: center; | |
| height: auto; | |
| } | |
| .tooltips ::after{ | |
| content: ""; | |
| position: absolute; | |
| top: 100%; | |
| left: 50%; | |
| margin-left:-15px; | |
| border-width:10px; | |
| border-style: solid; | |
| border-color: white transparent transparent transparent; | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en" dir="ltr"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>World Map</title> | |
| <link rel="stylesheet" href="index.css"> | |
| <link href="https://unpkg.com/aos@2.3.1/dist/aos.css" rel="stylesheet"> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> | |
| </head> | |
| <body> | |
| <div class="container-fluid"> | |
| <h1 class="text-center mt-5 mb-5 text-info font-weight-bold"> World Map </h1> | |
| <div id="map" ></div> | |
| </div> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/3.0.2/topojson.min.js" ></script> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| let height = 500; | |
| let width = 1000; | |
| let svg = d3.select("#map") | |
| .append("svg") | |
| .attr("class","container-fluid") | |
| .attr("viewBox",[`0 0 ${width} ${height}`]) | |
| /* | |
| d3.geoAzimuthalEqualArea() | |
| geoAzimuthalEquidistant() | |
| d3.geoStereographic() | |
| d3.geoConicConformal() | |
| d3.geoConicEqualArea() | |
| geoConicEquidistant | |
| */ | |
| let projection = d3.geoNaturalEarth1() | |
| let pathGenrator = d3.geoPath().projection(projection) | |
| const tooltips = d3.select("#map").append("div").attr("class","tooltips"); | |
| svg | |
| .append("path") | |
| .attr('class', 'sphere') | |
| .attr("d",pathGenrator({type:'Sphere'})) | |
| d3.json("data.json").then(data=>{ | |
| let country = topojson.feature(data,data.objects.countries) | |
| let map = country.features.map(d=>d.properties.name) | |
| let color = country.features.map(d=>d.properties.color) | |
| let id = country.features.map(d=>d.id) | |
| svg.selectAll("path") | |
| .data(country.features) | |
| .enter() | |
| .append("path") | |
| .attr("d",pathGenrator) | |
| .attr("class","country") | |
| .attr("fill",(d,i)=>color[i]) | |
| .on("mouseover",function(d,i){ | |
| tooltips.html("<div>"+map[i]+"</div>") | |
| .style("top",(d3.event.pageY - 33) + "px") | |
| .style("left",(d3.event.pageX - 40) + "px") | |
| d3.select(this) | |
| .style("stroke-width",3) | |
| .style("stroke","black") | |
| .style("stroke-opacity",0.7) | |
| }) | |
| .on("mouseout",function(d,i){ | |
| tooltips.html("") | |
| d3.select(this) | |
| .style("stroke-width",1) | |
| .style("stroke","black") | |
| .style("stroke-opacity",0.5) | |
| }) | |
| }) |
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