dustinlarimer/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Simple demonstration of consuming Heroku DataClips with D3.js.
Data source: https://dataclips.heroku.com/vgyygvzqtezwpmwpcmmjlluamjlk (.json)

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
  .axis path,
  .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
  }
  .dot {}
</style>
<script src="http://d3js.org/d3.v3.min.js"></script>
<body>
  <script>
    // var resource = 'https://dataclips.heroku.com/vgyygvzqtezwpmwpcmmjlluamjlk.json';
    // Replaced with local copy (CORS)

    var format = d3.time.format("%Y-%m-%d"),
        margin = {top: 20, right: 20, bottom: 30, left: 40},
        width = 960 - margin.left - margin.right,
        height = 500 - margin.top - margin.bottom;

    var x = d3.time.scale()
                    .range([0, width]);
    var y = d3.scale.linear()
                    .range([height, 0]);

    var color = d3.scale.category10();

    var xAxis = d3.svg.axis()
                    .scale(x)
                    .orient("bottom")
                    .ticks(d3.time.months, 1)
                    .tickFormat(d3.time.format('%b'))
                    .tickSize(0)
                    .tickPadding(10);

    var yAxis = d3.svg.axis()
                    .scale(y)
                    .orient("left")
                    .tickPadding(10);

    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 + ")");

    d3.json('sample.json', function(error, data) {
      console.log(data)
      data.values.forEach(function(d) {
        d.date = format.parse(String(d[0]).substring(0, 10));
        d.amount = d[1];
        console.log("Spent $" + d.amount + " on " + d.date);
      });
      x.domain([format.parse(String(data.values[0][0]).substring(0, 10)), d3.time.day.offset(format.parse(String(data.values[data.values.length - 1][0]).substring(0, 10)), 1)]).nice();

      y.domain([0, 1500])
      // d3.max(data.values, function(d) { return d.amount; })
      // y.domain(d3.extent(data.values, function(d){ return d.amount; })).nice();

      svg.append("g")
          .attr("class", "x axis")
          .attr("transform", "translate(0," + height + ")")
          .call(xAxis)
          .append("text")
            .attr("class", "label")
            .attr("x", width)
            .attr("y", -6)
            .style("text-anchor", "end")
            .text(data.fields[0]);

      svg.append("g")
          .attr("class", "y axis")
          .call(yAxis)
          .append("text")
            .attr("class", "label")
            .attr("transform", "rotate(-90)")
            .attr("y", 6)
            .attr("dy", ".71em")
            .style("text-anchor", "end")
            .text(data.fields[1]);

      svg.selectAll("circle.dot")
          .data(data.values)
          .enter()
          .append("circle")
            .attr("class", "dot")
            .attr("r", 10)
            .attr("cx", function(d) { return x(d.date); })
            .attr("cy", function(d) { return y(d.amount); })
            .attr("fill", "red")
            .attr("stroke-width", 0);
    })

  </script>
</body>

## sample.json
{
  "fields":["month","book_purchases"],
  "values":[
    ["2011-01-01 00:00:00+00","747.58"],
    ["2011-02-01 00:00:00+00","953.48"],
    ["2011-03-01 00:00:00+00","767.51"],
    ["2011-04-01 00:00:00+00","1221.28"],
    ["2011-05-01 00:00:00+00","931.50"],
    ["2011-06-01 00:00:00+00","1045.41"],
    ["2011-07-01 00:00:00+00","863.42"],
    ["2011-08-01 00:00:00+00","629.56"],
    ["2011-09-01 00:00:00+00","681.56"],
    ["2011-10-01 00:00:00+00","827.51"],
    ["2011-11-01 00:00:00+00","701.55"],
    ["2011-12-01 00:00:00+00","771.57"]
  ]
}
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}
	.dot {}
	</style>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<body>
	<script>
	// var resource = 'https://dataclips.heroku.com/vgyygvzqtezwpmwpcmmjlluamjlk.json';
	// Replaced with local copy (CORS)

	var format = d3.time.format("%Y-%m-%d"),
	margin = {top: 20, right: 20, bottom: 30, left: 40},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var x = d3.time.scale()
	.range([0, width]);
	var y = d3.scale.linear()
	.range([height, 0]);

	var color = d3.scale.category10();

	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom")
	.ticks(d3.time.months, 1)
	.tickFormat(d3.time.format('%b'))
	.tickSize(0)
	.tickPadding(10);

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left")
	.tickPadding(10);

	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 + ")");

	d3.json('sample.json', function(error, data) {
	console.log(data)
	data.values.forEach(function(d) {
	d.date = format.parse(String(d[0]).substring(0, 10));
	d.amount = d[1];
	console.log("Spent $" + d.amount + " on " + d.date);
	});
	x.domain([format.parse(String(data.values[0][0]).substring(0, 10)), d3.time.day.offset(format.parse(String(data.values[data.values.length - 1][0]).substring(0, 10)), 1)]).nice();

	y.domain([0, 1500])
	// d3.max(data.values, function(d) { return d.amount; })
	// y.domain(d3.extent(data.values, function(d){ return d.amount; })).nice();

	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis)
	.append("text")
	.attr("class", "label")
	.attr("x", width)
	.attr("y", -6)
	.style("text-anchor", "end")
	.text(data.fields[0]);

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis)
	.append("text")
	.attr("class", "label")
	.attr("transform", "rotate(-90)")
	.attr("y", 6)
	.attr("dy", ".71em")
	.style("text-anchor", "end")
	.text(data.fields[1]);

	svg.selectAll("circle.dot")
	.data(data.values)
	.enter()
	.append("circle")
	.attr("class", "dot")
	.attr("r", 10)
	.attr("cx", function(d) { return x(d.date); })
	.attr("cy", function(d) { return y(d.amount); })
	.attr("fill", "red")
	.attr("stroke-width", 0);
	})

	</script>
	</body>
	{
	"fields":["month","book_purchases"],
	"values":[
	["2011-01-01 00:00:00+00","747.58"],
	["2011-02-01 00:00:00+00","953.48"],
	["2011-03-01 00:00:00+00","767.51"],
	["2011-04-01 00:00:00+00","1221.28"],
	["2011-05-01 00:00:00+00","931.50"],
	["2011-06-01 00:00:00+00","1045.41"],
	["2011-07-01 00:00:00+00","863.42"],
	["2011-08-01 00:00:00+00","629.56"],
	["2011-09-01 00:00:00+00","681.56"],
	["2011-10-01 00:00:00+00","827.51"],
	["2011-11-01 00:00:00+00","701.55"],
	["2011-12-01 00:00:00+00","771.57"]
	]
	}