vikkya/.block

## .block
license: gpl-3.0

## README.md

      
    Raw
  

              README.md
            
          
    This is a version of this D3v3 timeseries bar chart using the D3 v4 API.
It also uses data with UTC timestamps.
forked from zigahertz's block: D3v4 Bar Chart with Timeseries Data
forked from vikkya's block: D3v4 Bar Chart with Timeseries Data

  
## bar-data.csv

          
            date
            value
            target

            
              2016-01-02
              -53
              20

            
              2016-02-03
              -165
              100

            
              2016-03-04
              269
              16

            
              2016-04-05
              344
              300

            
              2016-05-06
              376
              400

            
              2016-06-07
              410
              300

            
              2016-07-08
              421
              200

            
              2016-08-09
              405
              250

            
              2016-09-10
              376
              400

            
              2016-10-11
              359
              259

            
              2016-11-12
              392
              500

            
              2016-12-13
              433
              120

            
              2017-01-14
              455
              120

            
              2017-02-15
              478
              345

## index.html
<!DOCTYPE html>
<meta charset="utf-8">

<head>
	<style>

	.axis {
	  font: 10px sans-serif;
	}

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

	</style>
</head>

<body>

<script src="https://d3js.org/d3.v4.min.js"></script>

<script>
var month = ["January","February","March","April","May","June","July","August","September","October","November","December"]
var margin = {top: 20, right: 20, bottom: 70, left: 40},
    width = 600 - margin.left - margin.right,
    height = 400 - margin.top - margin.bottom;

// Parse the date / time
var	parseDate = d3.isoParse

var x = d3.scaleBand().rangeRound([0, width]).padding(0.8);

var y = d3.scaleLinear().range([height, 0]);

var xAxis = d3.axisBottom()
    .scale(x)
    .tickFormat(d3.timeFormat("%b"));

var yAxis = d3.axisLeft()
    .scale(y)
    .ticks(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.csv("bar-data.csv", function(error, data) {

    data.forEach(function(d) {
        d.date = parseDate(d.date);
        d.value = +d.value;
    });

  x.domain(data.map(function(d) { return d.date; }));
  y.domain([-d3.max(data, function(d) { return d.value; }), d3.max(data, function(d) { return d.value; })]);

  svg.selectAll("bar")
      .data(data)
    .enter().append("rect")
      .style("fill", function(d){ return d.value < d.target ? '#EF5F67': '#3FC974'})
      .attr("x", function(d) { return x(d.date); })
  		.attr("y", function(d) { return d.value < 0 ? height/2 :  y(d.value); })
      .attr("width", x.bandwidth())
      .attr("height", function(d) { return height/2 - y(Math.abs(d.value)) });

  svg.selectAll("circles")
      .data(data)
    .enter().append("circle")
      .style("fill", function(d){ return d.value < d.target ? '#EF5F67': '#3FC974'})
  .style("fill-opacity", 0.5)
      .attr("cx", function(d) { return x(d.date) + x.bandwidth()/4; })
      .attr("r", function(d) { return Math.abs(d.value/20) })
      .attr("cy", function(d) { return y(d.value); });

  svg.selectAll("texts")
      .data(data)
    .enter().append("text")
      .style("fill", 'black')
      .attr("x", function(d) { return x(d.date) + x.bandwidth()/4; })
      .text(function(d){ return month[new Date(d.date).getMonth()].slice(0,3)})
      .attr("y", function(d) { return d.value < 0 ? y(d.value) : y(d.value); })
  .style("text-anchor", "middle")
});


</script>

</body>
date	value	target
2016-01-02	-53	20
2016-02-03	-165	100
2016-03-04	269	16
2016-04-05	344	300
2016-05-06	376	400
2016-06-07	410	300
2016-07-08	421	200
2016-08-09	405	250
2016-09-10	376	400
2016-10-11	359	259
2016-11-12	392	500
2016-12-13	433	120
2017-01-14	455	120
2017-02-15	478	345
	<!DOCTYPE html>
	<meta charset="utf-8">

	<head>
	<style>

	.axis {
	font: 10px sans-serif;
	}

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

	</style>
	</head>

	<body>

	<script src="https://d3js.org/d3.v4.min.js"></script>

	<script>
	var month = ["January","February","March","April","May","June","July","August","September","October","November","December"]
	var margin = {top: 20, right: 20, bottom: 70, left: 40},
	width = 600 - margin.left - margin.right,
	height = 400 - margin.top - margin.bottom;

	// Parse the date / time
	var parseDate = d3.isoParse

	var x = d3.scaleBand().rangeRound([0, width]).padding(0.8);

	var y = d3.scaleLinear().range([height, 0]);

	var xAxis = d3.axisBottom()
	.scale(x)
	.tickFormat(d3.timeFormat("%b"));

	var yAxis = d3.axisLeft()
	.scale(y)
	.ticks(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.csv("bar-data.csv", function(error, data) {

	data.forEach(function(d) {
	d.date = parseDate(d.date);
	d.value = +d.value;
	});

	x.domain(data.map(function(d) { return d.date; }));
	y.domain([-d3.max(data, function(d) { return d.value; }), d3.max(data, function(d) { return d.value; })]);

	svg.selectAll("bar")
	.data(data)
	.enter().append("rect")
	.style("fill", function(d){ return d.value < d.target ? '#EF5F67': '#3FC974'})
	.attr("x", function(d) { return x(d.date); })
	.attr("y", function(d) { return d.value < 0 ? height/2 : y(d.value); })
	.attr("width", x.bandwidth())
	.attr("height", function(d) { return height/2 - y(Math.abs(d.value)) });

	svg.selectAll("circles")
	.data(data)
	.enter().append("circle")
	.style("fill", function(d){ return d.value < d.target ? '#EF5F67': '#3FC974'})
	.style("fill-opacity", 0.5)
	.attr("cx", function(d) { return x(d.date) + x.bandwidth()/4; })
	.attr("r", function(d) { return Math.abs(d.value/20) })
	.attr("cy", function(d) { return y(d.value); });

	svg.selectAll("texts")
	.data(data)
	.enter().append("text")
	.style("fill", 'black')
	.attr("x", function(d) { return x(d.date) + x.bandwidth()/4; })
	.text(function(d){ return month[new Date(d.date).getMonth()].slice(0,3)})
	.attr("y", function(d) { return d.value < 0 ? y(d.value) : y(d.value); })
	.style("text-anchor", "middle")
	});


	</script>

	</body>