d3 microlibs for simple plot

Use d3 microlibs for a simple chart to work out the minimum set required

forked from d3noob's block: v4 curve interpolation comparison

forked from anonymous's block: v4 curve interpolation comparison

<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 2px;
}

body { font: 12px Arial;}

.legend {
    font-size: 16px;
    font-weight: bold;
    text-anchor: left;
}
</style>
<body>

<script src="https://d3js.org/d3-selection.v1.min.js"></script>
<script src="https://d3js.org/d3-request.v1.min.js"></script>
<script src="https://d3js.org/d3-dispatch.v1.min.js"></script>
<script src="https://d3js.org/d3-array.v1.min.js"></script>
<script src="https://d3js.org/d3-collection.v1.min.js"></script>
<script src="https://d3js.org/d3-color.v1.min.js"></script>
<script src="https://d3js.org/d3-format.v1.min.js"></script>
<script src="https://d3js.org/d3-interpolate.v1.min.js"></script>
<script src="https://d3js.org/d3-scale.v1.min.js"></script>
<script src="https://d3js.org/d3-path.v1.min.js"></script>
<script src="https://d3js.org/d3-shape.v1.min.js"></script>
<script src="https://d3js.org/d3-axis.v1.min.js"></script>
<script>

// set the dimensions and margins of the graph
var margin = {top: 30, right: 30, bottom: 30, left: 30},
    width = 600 - margin.left - margin.right,
    height = 600 - margin.top - margin.bottom;

// set the ranges
var x = d3.scaleLinear().range([0, width]);
var y = d3.scaleLinear().range([height, 0]);

// append the svg obgect to the body of the page
// appends a 'group' element to 'svg'
// moves the 'group' element to the top left margin
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform",
          "translate(" + margin.left + "," + margin.top + ")");
  
  
// Get the data
d3.json('data.json', function(error, data) {
  if (error) throw error;

// sort years ascending
  data.sort(function(a, b){
    return a["ibo"]-b["ibo"];
	})
  
  // Scale the range of the data
  x.domain(d3.extent(data, function(d) { return d.ibo; }));
  y.domain(d3.extent(data, function(d) { return d.obo; }));
  
  svg.append("path")
    .datum(data)
    .attr("class", "line")
    .style("stroke", "blue")
    .attr("d", d3.line()
          .curve(d3.curveMonotoneX)
          .x(function(d) { return x(d.ibo); })
          .y(function(d) { return y(d.obo); })
         );

// Add the Legend
  svg.append("text")
    .attr("x", width/2)  // space legend
    .attr("y", 0)
    .attr("class", "legend")    // style the legend
    .style("fill", "black")
    .text("IBO vs OBO");

// Add the scatterplot
  svg.selectAll("dot")
      .data(data)
    .enter().append("circle")
      .attr("r", 3)
      .attr("cx", function(d) { return x(d.ibo); })
      .attr("cy", function(d) { return y(d.obo); });

// Add the X Axis
  svg.append("g")
      .attr("class", "axis")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x));

// Add the Y Axis
  svg.append("g")
      .attr("class", "axis")
      .call(d3.axisLeft(y));

});
  
</script>
</body>

https://d3js.org/d3-selection.v1.min.js

https://d3js.org/d3-request.v1.min.js

https://d3js.org/d3-dispatch.v1.min.js

https://d3js.org/d3-array.v1.min.js

https://d3js.org/d3-collection.v1.min.js

https://d3js.org/d3-color.v1.min.js

https://d3js.org/d3-format.v1.min.js

https://d3js.org/d3-interpolate.v1.min.js

https://d3js.org/d3-scale.v1.min.js

https://d3js.org/d3-path.v1.min.js

https://d3js.org/d3-shape.v1.min.js

https://d3js.org/d3-axis.v1.min.js