Part II

forked from 4xDMG's block: FEM: Exercise 1 starter

forked from anonymous's block: FEM: Exercise 1 starter

forked from tw15egan's block: Austin TX Average Temperature (OCT 2011 - SEPT 2012)

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg {
      width: 100%;
      height: 100%;
    }
  </style>
</head>

<body>
  <svg></svg>
  
  <script>
    const city = 'Austin';
    const width = 800;
    const height = 300;
    const margin = { top: 20, bottom: 20, left: 20, right: 20 } 
    
    // dataset of city temperatures across time
    d3.tsv('data.tsv', (err, data) => {
      // clean the data
      data.forEach(d => {
//         console.log(d.date)
        d.date = d3.timeParse("%Y%m%d")(d.date);
//         console.log(d.date)
        d.date = new Date(d.date); // x
        d[city] = +d[city]; // y
      });   
      
      // Scales
      const xExtent = d3.extent(data, d => d.date);
      const yExtent = d3.extent(data, d => d[city]);
      const xScale = d3.scaleTime()
      	.domain(xExtent)
      	.range([margin.left, width - margin.right]);
      const yScale = d3.scaleLinear()
      	.domain(yExtent)
      	.range([height - margin.bottom, margin.top]);
      
      const svg = d3.select('svg');
      
      const line = d3.line()
      	.x(d => xScale(d.date))
      	.y(d => yScale(d[city]))
      	.curve(d3.curveCatmullRom)
     
      svg.append('path')
      	.attr('d', line(data))
      	.attr('fill', 'none')
      	.attr('stroke', '#333')
      
//       const rect = svg.selectAll('rect')
//       	.data(data)
//       	.enter().append('rect')
//       	.attr('width', 2) 
//       	.attr('height', d => height - yScale(d[city]))
//       	.attr('x', d => xScale(d.date))
//       	.attr('y', d => yScale(d[city]))
//       	.attr('stroke', '#fff')
//       	.attr('fill', d => {
//           let temp = d[city];
//           switch(true) {
//             case temp < 40:
//             	return '#1D4E89'
//             case temp < 50:
//             	return '#00B2CA'
//             case temp < 60:
//             	return '#7DCFB6'
//             case temp < 70:
//             	return '#FBD1A2'
//             case temp < 80:
//             	return '#F79256'
//             default: 
//             	return '#F71C00'
//           }
//         });
      
      const xAxis = d3.axisBottom()
      	
      	.scale(xScale);
      const yAxis = d3.axisLeft()
      	.scale(yScale);
      
      svg.append('g')
      	.attr('transform', `translate(0, ${height})`)
      	.call(xAxis)
      
      svg.append('g')
      	.attr('transform', `translate(${margin.left}, 0)`)
      	.call(yAxis)
 
      });
  </script>
</body>

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