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49 lines
1.2 KiB
49 lines
1.2 KiB
var width = 960;
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var height = 490;
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d3.select('svg')
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.attr('width', width)
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.attr('height', height);
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var worldProjection = d3.geoEquirectangular();
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d3.select('svg').selectAll('path')
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.data(map_json.features)
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.enter()
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.append('path')
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.attr('fill', '#099');
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var dAttributeFunction = d3.geoPath()
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.projection(worldProjection);
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d3.selectAll('path').attr('d', dAttributeFunction);
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d3.selectAll('svg').on('click', function(datum){
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console.log(worldProjection.invert(d3.mouse(this)));
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});
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d3.select('form').on('submit', function(){
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d3.event.preventDefault();
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const lat1 = d3.select('input:first-child').node().value
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const lng1 = d3.select('input:nth-child(2)').node().value
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const location1 = worldProjection([lat1, lng1]);
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const x1 = location1[0];
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const y1 = location1[1];
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console.log(x1, y1);
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const lat2 = d3.select('input:nth-child(4)').node().value
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const lng2 = d3.select('input:nth-child(5)').node().value
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const location2 = worldProjection([lat2, lng2]);
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const x2 = location2[0];
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const y2 = location2[1];
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console.log(x2, y2);
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d3.select('svg').append('rect')
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.attr('fill', '#000')
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.attr('x', x1)
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.attr('y', y1)
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.attr('width', x2-x1)
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.attr('height', y2-y1)
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});
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