Old school D3 from simpler times

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elangobharathi

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Line chart with x and y axis

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forked from sxywu's block: Selections: Data example

forked from sxywu's block: Selections: Enter example

forked from sxywu's block: Selections: Scale example

forked from sxywu's block: FEM: Exercise 1

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

forked from elangobharathi's block: Bar chart with x and y axis

<!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>  
    var city = 'New York';
    var margin = {top: 20, bottom: 20, left: 40, right: 20};
    var width = 800 - margin.left - margin.right;
    var height = 400 - margin.top - margin.bottom;

var svg = d3.select('svg')
    	.attr('width', width + margin.left + margin.right)
    	.attr('height', height + margin.top + margin.bottom);
    
    var chart = svg.append('g')
    	.attr('transform', 'translate (' + margin.left + ',' + margin.top + ')')
    
    // dataset of city temperatures across time
    d3.tsv('data.tsv', (err, data) => {
      // clean the data
      data.forEach(d => {
        d.date = d3.timeParse("%Y%m%d")(d.date);
        d.date = new Date(d.date); // x
        d[city] = ++d[city]; // y
      });
    
     console.log(data[0]);
     var xScale = d3.scaleTime()
     	.domain(d3.extent(data, function(d) { return 	d.date;}))
      .range([0, width]);
      
     var xAxis = d3.axisBottom()
     	.scale(xScale);
      
     chart.append('g')
     	.attr('transform', 'translate (' + 0 + ',' + height + ')')
     	.call(xAxis);
     
     var yScale = d3.scaleLinear()
     	.domain(d3.extent(data, function(d) { return d[city]}))
     .range([height, 0]);
      
     var yAxis = d3.axisLeft()
     	.scale(yScale);
      
     chart.append('g')
     .call(yAxis);
      
      var line = d3.line()
      	.x(function(d) { return xScale(d.date)})
      	.y(function(d) { return yScale(d[city])});
      
//       var rectWidth = 3;
      
//       var rects = svg.selectAll('rect')
//       	.data(data)
//       	.enter()
//       	.append('rect')
//       	.attr('x', function(d, i) { return xScale(d.date)  + (margin.left) })
//       	.attr('y', function(d) { return yScale(d[city]) + (margin.top)})
//       	.attr('width', rectWidth)
//       	.attr('height', function(d) { return height - yScale(d[city])})
//       	.attr('fill', 'blue')
//       	.attr('stroke', 'white')
//       	.on('click', function(d) {
//           console.log(d[city])
//         });
      
      chart.append('path')
      	.datum(data)
      	.attr('d', line)
      	.attr('fill', 'none')
      	.attr('stroke', 'red')
      	.attr('stroke-width', 2)
      
      debugger;
    });
  </script>
</body>

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