Personal logo iteration 5

forked from sxywu's block: Personal logo iteration 4

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="https://d3js.org/d3-geo-projection.v1.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.15.0/lodash.min.js"></script>
  <link href='https://fonts.googleapis.com/css?family=Libre+Baskerville' rel='stylesheet' type='text/css'>
  <style>
    * {
      font-family: "Libre Baskerville";
      font-size: 24px;
    }
    /* blend options taken from visual cinnamon tutorial: https://www.visualcinnamon.com/2016/05/beautiful-color-blending-svg-d3.html */
    /*Set isolate on the group element*/
    svg { isolation: isolate; }  
    /*Set blend mode on SVG element: e.g. screen, multiply*/
    .delauney path { mix-blend-mode: multiply; }
/*     .snowflake line, .snowflake path{mix-blend-mode: overlay}; */
  </style>
</head>

<body>
  <svg></svg>
  
  <script>
		var data = [
      [14.599512, 120.984222, 'Manila, Philippines'], // lat, long
      [39.922478,	116.443710, 'Beijing, China'],
      [35.443707, 139.638031, 'Yokohama, Japan'],
      [36.0835, 140.0766, 'Tsukuba, Japan'],
      [34.170563, -118.837593, 'Thousand Oaks, USA'],
      [42.361145, -71.057083, 'Boston, USA'],
      [37.871853, -122.258423, 'Berkeley, USA'],
      [40.730610, -73.935242, 'New York, USA'],
      [29.951065, -90.071533, 'New Orleans, USA'],
      [61.217381, -149.863129, 'Anchorage, USA'],
      [51.508530, -0.076132, 'London, UK'],
      [52.344444, 4.916667, 'Amsterdam, Netherlands'],
      [48.870502, 2.304897, 'Paris, France'],
      [41.390205, 2.154007, 'Barcelona, Spain'],
      [40.416775, -3.703790, 'Madrid, Spain'],
      [38.736946, -9.142685, 'Lisbon, Spain'],
      [47.608013, -122.335167, 'Seattle, USA'],
      [35.652832, 139.839478, 'Tokyo, Japan'],
      [34.3852, 132.4553, 'Hiroshima, Japan'],
      [34.6937, 135.5022, 'Osaka, Japan'],
      [64.135666, -21.862675, 'Reykjavík, Iceland'],
      [59.334591, 18.063240, 'Stockholm, Sweden'],
      [22.108543, -159.496765, 'Kauai, USA'],
      [41.7688, 140.7288, 'Hakodate, Japan']
    ];
    
    var width = 300;
    var height = 300;
    var svg = d3.select('svg')
    	.attr('width', width)
    	.attr('height', height)
    var delauney = svg.append('g')
    	.classed('delauney', true)
    	.attr('transform', 'rotate(36, 300, 200)');
    
    var colors = d3.scaleOrdinal()
    	.range(['#F5C6DD', '#B6DEED', '#9E84C2', '#D3BEDA', '#FFE4E1']);
    
    var voronoi = d3.voronoi();
    var projection = d3.geoGingery()
    	.translate([width / 2, height]);
    
    var points = _.map(data, function(points) {
      // d3 projection takes [long, lat]
      return projection([points[1], points[0]]);
    });
    var subsets = [
      [.1, .7],
      [.1, .3],
      [.3, .4],
      [.6, .75],
      [.9, 1]
    ];
    var triangles = _.map(subsets, function(subset) {
      var start = Math.round(points.length * subset[0]);
      var end = Math.round(points.length * subset[1]);
      start = Math.max(0, start);
      end = Math.min(points.length, end);
      var subPoints = _.slice(points, start, end);
      console.log(start, end, points.length);
      return voronoi.triangles(subPoints);
    });
    
    // draw the triangles
    delauney.selectAll('g')
    	.data(triangles)
    	.enter().append('g')
    		.selectAll('path')
    			.data(function(d) {return d;})
          .enter().append('path')
          .attr('d', function(d) {
            return 'M' + _.map(d, function(point) {
              return point.join(',');
            }).join(' L') + 'Z';
          }).attr('fill', function(d, i) {return colors(i)})
          .attr('stroke', function(d, i) {return colors(i)})
          .attr('opacity', 0.6);
    
    // draw snowflake
    var snowflake = svg.append('g')
    	.classed('snowflake', true)
    	.attr('transform', 'translate(' + [width / 2, height / 2] + ')scale(1.25)');
    var angles = _.times(6, function(i) {
      return 60 * i;
    });
    var flake = snowflake.selectAll('g')
    	.data(angles).enter().append('g')
    	.attr('transform', function(d) {
        return 'rotate(' + d + ')';
      });
    var strokeWidth = 2;
    var strokeColor = '#9E84C2';
    var fillColor = '#fff';
    flake.append('line')
    	.attr('y1', -50)
    	.attr('y2', 50)
    	.attr('stroke-width', strokeWidth)
    	.attr('stroke', strokeColor)
      .attr('stroke-opacity', .85);
    // draw the diamonds for the snowflake
    var transforms = [
      [[0, -36], 1.25, .5], // translate, scale, opacity
      [[0, -28], 1, .4],
      [[0, -20], .85, .25],
      [[0, 0], .7, 0.2],
    ];
    flake.selectAll('path')
      .data(transforms)
      .enter().append('path')
        .attr('d', 'M0,-12 L10,0 L0,12 L-10,0 L0,-12Z').attr('transform', function(d) {
      		return 'translate(' + d[0] + ')' +
            'scale(' + d[1] + ')';
        }).attr('fill', fillColor)
    		.attr('fill-opacity', function(d) {
      		return d[2];
        }).attr('stroke-width', strokeWidth)
        .attr('stroke', strokeColor)
    		.attr('stroke-opacity', .85);
    
    svg.append('text')
    	.attr('x', width / 2)
    	.attr('y', height / 5 * 4)
    	.attr('text-anchor', 'middle')
    	.attr('dy', '.35em')
    	.attr('fill', strokeColor)
    	.text('sxywu')
  </script>
</body>

https://d3js.org/d3.v4.min.js

https://d3js.org/d3-geo-projection.v1.min.js

https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.15.0/lodash.min.js