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Last active January 29, 2018 14:15
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testing geoIdentity fitExtent
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://unpkg.com/topojson-client@3"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
path.land {
stroke: #ea0000;
stroke-width: 0.5px;
}
path.mark {
stroke: blue;
stroke-width: 0.5px;
}
</style>
</head>
<body>
<script>
var svg = d3.select("body").append("svg")
.attr("width", 960)
.attr("height", 500)
var width = 960;
var height= 500;
svg.append('rect')
.attr('width', width)
.attr('height', height);
var miamiToNYCGeoJson = {
type: 'LineString',
coordinates: [
[-80.191788, 25.761681], [-74.006058, 40.712772]
]
};
var projection = d3.geoIdentity().fitExtent([[10, 10], [width - 10, height - 10]], miamiToNYCGeoJson);
var path = d3.geoPath().projection(projection);
d3.json('https://raw.githubusercontent.com/johan/world.geo.json/master/countries.geo.json', function(error, worldGeoJson) {
svg.append("g").append("path")
.datum(worldGeoJson)
.attr("class", "land")
.attr("d", path);
svg.append("g")
.append("path")
.datum(miamiToNYCGeoJson)
.attr("class", "mark")
.attr("d", path);
});
</script>
</body>
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