pberden · December 17, 2015 20:38
diff --git a/datafile.csv b/datafile.csv
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>Show me the numbers</title>
 <style>

 body {
  font: 10px sans-serif;
 }

 .axis path,
 .axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
 }

 .x.axis path {
  display: none;
 }

 .line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
 }

 </style>
 <body>
 <script src="http://d3js.org/d3.v3.min.js"></script>
 <script>

 var margin = {top: 20, right: 80, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

 var cwidth=300,cheight=100,cmargin=5;

 var parseDate = d3.time.format("%Y%m%d").parse;

 var x = d3.time.scale()
    .range([0, cwidth]);

 var y = d3.scale.linear()
    .range([cheight, 0]);

 var color = d3.scale.category10();

 var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

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

 var line = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(parseDate(d.key)); })
    .y(function(d) { return y(d.values.Value); });

 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.csv("datafile.csv",function(csv) {

 //Filter Sales measures
 csv = csv.filter(function (d) {return d.Measure === "Sales"});

 //Nest data for monthly sales charts
 var data=d3.nest()
    .key(function(d) {return d.Region;})
    .key(function(d) {return d.Category;})
    .key(function(d) {return d.Day;})
    .sortKeys(d3.ascending)
    .rollup(function(d) {return {Value:d3.sum(d,function(g) {return +g.Value;})};})
    .entries(csv);

 console.log(data);

 //Don't know how to get the min and max for the domains, so use constants instead
 //TODO set dynamic domains
 x.domain([parseDate("20120101"), parseDate("20121201")]);
 //x.domain(d3.extent(data[0].values[0].values[0], function(d) { return d.key; }));
 y.domain([0,300]);

 //Group per Region class="region"
 var region = svg.selectAll(".region")
    .data(data)
    .enter()
    .append("g")
    .attr("class", "region")
    .attr("transform",function(d,i) {return "translate(0,"+(cheight*i)+")";});

 //Group for Y axis class="y axis"
 //...

 //Group per Category class="category"
 var category = region.selectAll(".category")
    .data(function(d) {return d.values})
    .enter()
    .append("g")
    .attr("class", "category");

 category.append("path")
    .attr("class", "line")
    .attr("d", function(d) { return line(d.values); });

 /* Test for checking date values
 var test = category.selectAll(".test")
    .data(function(d) {return d.values})
    .enter()
    .append("g")
    .attr("class", "test")
    .attr("id", function(d) {return d.key});*/
    
 })
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>Show me the numbers</title>
	<style>

	body {
	font: 10px sans-serif;
	}

	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}

	.x.axis path {
	display: none;
	}

	.line {
	fill: none;
	stroke: steelblue;
	stroke-width: 1.5px;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script>

	var margin = {top: 20, right: 80, bottom: 30, left: 50},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var cwidth=300,cheight=100,cmargin=5;

	var parseDate = d3.time.format("%Y%m%d").parse;

	var x = d3.time.scale()
	.range([0, cwidth]);

	var y = d3.scale.linear()
	.range([cheight, 0]);

	var color = d3.scale.category10();

	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom");

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

	var line = d3.svg.line()
	.interpolate("basis")
	.x(function(d) { return x(parseDate(d.key)); })
	.y(function(d) { return y(d.values.Value); });

	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.csv("datafile.csv",function(csv) {

	//Filter Sales measures
	csv = csv.filter(function (d) {return d.Measure === "Sales"});

	//Nest data for monthly sales charts
	var data=d3.nest()
	.key(function(d) {return d.Region;})
	.key(function(d) {return d.Category;})
	.key(function(d) {return d.Day;})
	.sortKeys(d3.ascending)
	.rollup(function(d) {return {Value:d3.sum(d,function(g) {return +g.Value;})};})
	.entries(csv);

	console.log(data);

	//Don't know how to get the min and max for the domains, so use constants instead
	//TODO set dynamic domains
	x.domain([parseDate("20120101"), parseDate("20121201")]);
	//x.domain(d3.extent(data[0].values[0].values[0], function(d) { return d.key; }));
	y.domain([0,300]);

	//Group per Region class="region"
	var region = svg.selectAll(".region")
	.data(data)
	.enter()
	.append("g")
	.attr("class", "region")
	.attr("transform",function(d,i) {return "translate(0,"+(cheight*i)+")";});

	//Group for Y axis class="y axis"
	//...

	//Group per Category class="category"
	var category = region.selectAll(".category")
	.data(function(d) {return d.values})
	.enter()
	.append("g")
	.attr("class", "category");

	category.append("path")
	.attr("class", "line")
	.attr("d", function(d) { return line(d.values); });

	/* Test for checking date values
	var test = category.selectAll(".test")
	.data(function(d) {return d.values})
	.enter()
	.append("g")
	.attr("class", "test")
	.attr("id", function(d) {return d.key});*/

	})
	</script>
	</body>
	</html>