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d3-geo-zoom

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Zoom and Pan D3 Geo projections

github.com/vasturiano/d3-geo-zoom

vasturiano/d3-geo-zoom

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<head> <script src="//cdn.jsdelivr.net/npm/d3"></script> <script src="//cdn.jsdelivr.net/npm/topojson"></script> <script src="//cdn.jsdelivr.net/npm/d3-geo-zoom"></script> <!--<script src="../../dist/d3-geo-zoom.js"></script>--> <style>body { margin: 0 }</style> </head> <body> <div id="world"></div> <script> const MARGIN = 5; const width = window.innerWidth; const height = window.innerHeight; const svg = d3.select('#world').append('svg') .attr('width', width) .attr('height', height); const projection = d3.geoOrthographic() .scale((Math.min(width, height)) / 2 - MARGIN) .translate([width / 2, height / 2]); const path = d3.geoPath() .projection(projection); d3.geoZoom() .projection(projection) .onMove(render) (svg.node()); fetch('//unpkg.com/world-atlas@1/world/110m.json').then(r => r.json()).then(world => { svg.append('path').attr('class', 'geo-feature') .datum({ type: 'Sphere' }) .attr('fill', 'aqua'); svg.append('path').attr('class', 'geo-feature') .datum(topojson.feature(world, world.objects.land)) .attr('fill', 'maroon'); render(); }); // function render() { svg.selectAll('path.geo-feature').attr('d', path); } </script> </body>