D3 Examples - Film Flowers, Single Complete

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.13.1/lodash.js'></script>
  <link href='https://fonts.googleapis.com/css?family=Libre+Baskerville:400,700' rel='stylesheet' type='text/css'>
  
  <style>
    svg {
      width: 600px;
      height: 20000px;
    }
  </style>
</head>
​
<body>
  <svg></svg>
  
  <script>
    const width = 600;
    const height = 600;
    
    const petalPaths = [
      [
            'M50,50',
        'C45,35 35,20 50,20',
        'C65,20 65,35 50,50'
        ],
      [
            'M50,50',
        'C45,35 35,20 50,20',
        'C65,20 65,35 50,50'
        ],
      [
            'M50,50',
        'C45,35 35,20 50,20',
        'C65,20 65,35 50,50'
        ],
      [
            'M50,50',
        'C45,35 35,20 50,20',
        'C65,20 65,35 50,50'
        ]
   ];
    
    // petal lookup for PG ratings
    const pathLookup = {
      G: petalPaths[0],
      PG: petalPaths[1],
      'PG-13': petalPaths[2],
      R: petalPaths[3],
    };
    
    // grab svg
    const svg = d3.select('svg');
    
    /*****************************************************
    ** get movie data
    ******************************************************/
    
    d3.json('movies.json', function(movies) {
      movies = _.map(movies, movie => {
        return {
          rating: ++movie.imdbRating,
          votes: parseInt(movie.imdbVotes.replace(/\,/g, '')),
          year: ++movie.Year,
          title: movie.Title,
          pg: movie.Rated,
        }
      });
      
      // 1. create petal data for just the first movie
      const firstMovie = movies[0] 
      //const numPetals = 6
      const minMaxVotes = d3.extent(movies, d => d.votes);
        const numPetalsScale = d3.scaleQuantize()
            .domain(minMaxVotes)
            .range(_.range([1, 10])); //[1,2,3,4,5,6,7,8,9,10]
        
               
      
      const petalData = _.times(numPetals, (i) => {
        // 1. rotation of the petal
        const rotate = (i / numPetals) * 360;
        // 2. path of petal (pg)
        // 3. size of petals (IMDB ratings)
        console.log(firstMovie.votes)
        return {
          rotate,
          path: pathLookup[firstMovie.pg],
        }
      });
      
      // 2. draw the petals using d3's data-binding and enter-append
      // (hint: use SVG transform for translation, and rotation)
      svg.selectAll('path')
        .data(petalData).enter().append('path')
        .attr('transform', d => {
            return `translate(100,100)rotate(${d.rotate},50,50)`
        })
        .attr('d', d => d.path)
        .attr('fill', function(d,i) {return (i % 2 === 0) ? 'red' : 'orange'})
        .attr('stroke', '#333');
    });
    
  </script>
</body>
​
    