globe-css/index.html at main · avsguy/globe-css · GitHub

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<!DOCTYPE html>
<!--
Data source for country coordinates: https://github.com/datasets/geo-countries/tree/main
-->

<html lang="en">

    <head>
        <meta charset="utf-8" />

        <script src="https://d3js.org/d3.v7.min.js"></script>

        <style>
        /*
        Source - https://stackoverflow.com/questions/27781634/rotating-globe-in-css
        Posted by The Pragmatick, modified by community. See post 'Timeline' for change history
        Retrieved 2025-12-21, License - CC BY-SA 4.0
        */

        #earth {
            width: 300px;
            height: 300px;
            background-size: 600px;
            box-shadow: inset 2px 3px 70px 3px rgb(204, 199, 242),
            inset -6px 0 12px 4px rgb(204, 199, 242);
            border-radius: 50%;
            animation-name: rotate;
            animation-duration: 1s;
            animation-iteration-count: infinite;
            animation-timing-function: linear;
            -webkit-animation-name: rotate;
                -webkit-animation-duration: 8s;
                -webkit-animation-iteration-count: infinite;
                -webkit-animation-timing-function: linear;
            /*
            background: url(https://web.archive.org/web/20150807125159if_/http://www.noirextreme.com/digital/Earth-Color4096.jpg);
            */
        }
        @keyframes rotate {
            from {
                background-position: 0px 0px;
            }
            to {
                background-position: 600px 0px;
            }
        }
        @-webkit-keyframes rotate {
            from {
                background-position: 0px 0px;
            }
            to {
                background-position: 600px 0px;
            }
        }
        </style>

    </head>

    <body>
        <div id="earth"></div>

        <script>
            showMap();

            const margin = {top: 50, right: 25, bottom: 45, left: 50},
                width = 700 - margin.left - margin.right,
                height = 300 - margin.top - margin.bottom;

            function showMap() {
                const svgWidth = 300;
                const svgHeight = 200;

                const svg = d3.create("svg")
                    .attr("width", svgWidth)
                    .attr("height", svgHeight)
                    .attr("xmlns", "http://www.w3.org/2000/svg");
                const g = svg.append("g");

                var projection = d3.geoNaturalEarth1()
                    .scale(65)
                    .translate([svgWidth / 2, svgHeight / 2]);
                var path = d3.geoPath()
                    .projection(projection);

                //color
                var range = ["#fddbe7", "#5d6fe8","#1f56ee"];
                var customInterpolator = d3.interpolateRgbBasis(range);
                var colorScale = d3.scaleSequential()
                    .interpolator(customInterpolator);

                //data loading
                Promise.all([
                    d3.csv("data/count.csv"),
                    d3.json("data/countries.geojson")
                ])
                .then(([data, json]) => {
                    data.forEach(d => {
                        d.code = d["Code"];
                        d.avg = +(d["Count"]);
                        });

                    colorScale.domain([
                            d3.min(data, d => d.avg),
                            d3.max(data, d => d.avg)
                        ]);
                    console.log(colorScale.domain);

                    data.forEach(d => {
                        const code = d.code;
                        const val = d.avg;
                        const country = d["Country"];
                        const feat = json.features.find(f =>
                            (f.id || f.properties["ISO3166-1-Alpha-3"]) === code);
                        if (feat) {
                            feat.properties.value = val;
                            feat.properties.name = country;
                            }
                        });

                    //console.log(json.features);
                    json.features.forEach((feature) => {
                        if (feature.properties.value === undefined) {
                            feature.properties.value = 0;
                        }
                    })
                    console.log(json.features);

                    // draw the map
                    g.selectAll("path")
                        .data(json.features)
                        .enter()
                        .append("path")
                        .attr("d", path)
                        .style("fill", d => {
                            const value = d.properties.value;
                            if (value !== undefined) {
                                return colorScale(d.properties.value);
                            } else {
                                return "#ccc";
                            }
                        })
                        //.style("stroke", d => d.properties.value > 0 ? "yellow": null)
                        //.style("stroke-width", 0.1)
                        //.style("stroke-opacity", 1)
                        ;

                    // convert SVG to data URL for background
                    const svgString = svg.node().outerHTML;
                    const encodedSvg = encodeURIComponent(svgString);
                    const dataUri = `data:image/svg+xml;utf8,${encodedSvg}`;

                    // set as background with repeating pattern
                    const earthDiv = document.getElementById('earth');
                    earthDiv.style.backgroundImage = `url("${dataUri}")`;
                    earthDiv.style.backgroundSize = '200% 100%'; // Make it twice as wide
                    earthDiv.style.backgroundRepeat = 'repeat-x';
                    earthDiv.style.backgroundPosition = 'center';

                    console.log("Map set as background successfully");

                }).catch(err => console.error(err));
            }

        </script>
    </body>


</html>