teybannerman/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Radial bar chart inspired by Peter Cook's work.
forked from bricedev's block: Radial Bar Chart

  
## data.csv

          
            name
            value

            
              Everyday Spending
              2

            
              Savings
              1

            
              Investments
              0

            
              Pensions
              2

            
              Property
              3

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

body {
  font: 10px sans-serif;
}

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

.x.axis path {
  display: none;
}

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

var width = 500,
    height = 500,
    barHeight = height / 2 - 40;

var formatNumber = d3.format("s");

var color = d3.scale.ordinal()
.domain([1, 2, 3])
.range(["#C50000","#F9B001","#4CC500"]);

var svg = d3.select('body').append("svg")
    .attr("width", width)
    .attr("height", height)
  .append("g")
    .attr("transform", "translate(" + width/2 + "," + height/2 + ")");

d3.csv("data.csv", function(error, data) {


  var extent = d3.extent(data, function(d) { return d.value; });
  var barScale = d3.scale.linear()
      .domain(extent)
      .range([0, barHeight]);

  var keys = data.map(function(d,i) { return d.name; });
  var numBars = keys.length;

  var x = d3.scale.linear()
      .domain(extent)
      .range([0, -barHeight]);

  var xAxis = d3.svg.axis()
      .scale(x).orient("left")
      .ticks(3)
      .tickFormat(formatNumber);

  var circles = svg.selectAll("circle")
          .data(x.ticks(3))
        .enter().append("circle")
          .attr("r", function(d) {return barScale(d);})
          .style("fill", "none")
          .style("stroke", "black")
          .style("stroke-dasharray", "2,2")
          .style("stroke-width",".5px");

  var arc = d3.svg.arc()
      .startAngle(function(d,i) { return (i * 2 * Math.PI) / numBars; })
      .endAngle(function(d,i) { return ((i + 1) * 2 * Math.PI) / numBars; })
      .innerRadius(0);

  var segments = svg.selectAll("path")
          .data(data)
        	.enter().append("path")
          .each(function(d) { d.outerRadius = 0; })
          .style("fill", function (d) { return color(d.value); })
          .attr("d", arc);

  segments.transition().ease("elastic").duration(800).delay(function(d,i) {return (5-i)*100;})
          .attrTween("d", function(d,index) {
            var i = d3.interpolate(d.outerRadius, barScale(+d.value));
            return function(t) { d.outerRadius = i(t); return arc(d,index); };
          });

  svg.append("circle")
      .attr("r", barHeight)
      .classed("outer", true)
      .style("fill", "none")
      .style("stroke", "black")
      .style("stroke-width","1.5px");

  var lines = svg.selectAll("line")
      .data(keys)
    .enter().append("line")
      .attr("y2", -barHeight - 20)
      .style("stroke", "black")
      .style("stroke-width",".5px")
      .attr("transform", function(d, i) { return "rotate(" + (i * 360 / numBars) + ")"; });

//  svg.append("g")
//    .attr("class", "x axis")
//    .call(xAxis);

  // Labels
  var labelRadius = barHeight * 1.025;

  var labels = svg.append("g")
      .classed("labels", true);

  labels.append("def")
        .append("path")
        .attr("id", "label-path")
        .attr("d", "m0 " + -labelRadius + " a" + labelRadius + " " + labelRadius + " 0 1,1 -0.01 0");

  labels.selectAll("text")
        .data(keys)
      	.enter().append("text")
        .style("text-anchor", "middle")
        .style("font-size","15px")
        .style("fill", function(d, i) {return "#3e3e3e";})
        .append("textPath")
        .attr("xlink:href", "#label-path")
        .attr("startOffset", function(d, i) {return i * 100 / numBars + 50 / numBars + '%';})
        .text(function(d) {return d.toUpperCase(); });

});

</script>
	name	value
	Everyday Spending	2
	Savings	1
	Investments	0
	Pensions	2
	Property	3
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	body {
	font: 10px sans-serif;
	}

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

	.x.axis path {
	display: none;
	}

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

	var width = 500,
	height = 500,
	barHeight = height / 2 - 40;

	var formatNumber = d3.format("s");

	var color = d3.scale.ordinal()
	.domain([1, 2, 3])
	.range(["#C50000","#F9B001","#4CC500"]);

	var svg = d3.select('body').append("svg")
	.attr("width", width)
	.attr("height", height)
	.append("g")
	.attr("transform", "translate(" + width/2 + "," + height/2 + ")");

	d3.csv("data.csv", function(error, data) {


	var extent = d3.extent(data, function(d) { return d.value; });
	var barScale = d3.scale.linear()
	.domain(extent)
	.range([0, barHeight]);

	var keys = data.map(function(d,i) { return d.name; });
	var numBars = keys.length;

	var x = d3.scale.linear()
	.domain(extent)
	.range([0, -barHeight]);

	var xAxis = d3.svg.axis()
	.scale(x).orient("left")
	.ticks(3)
	.tickFormat(formatNumber);

	var circles = svg.selectAll("circle")
	.data(x.ticks(3))
	.enter().append("circle")
	.attr("r", function(d) {return barScale(d);})
	.style("fill", "none")
	.style("stroke", "black")
	.style("stroke-dasharray", "2,2")
	.style("stroke-width",".5px");

	var arc = d3.svg.arc()
	.startAngle(function(d,i) { return (i * 2 * Math.PI) / numBars; })
	.endAngle(function(d,i) { return ((i + 1) * 2 * Math.PI) / numBars; })
	.innerRadius(0);

	var segments = svg.selectAll("path")
	.data(data)
	.enter().append("path")
	.each(function(d) { d.outerRadius = 0; })
	.style("fill", function (d) { return color(d.value); })
	.attr("d", arc);

	segments.transition().ease("elastic").duration(800).delay(function(d,i) {return (5-i)*100;})
	.attrTween("d", function(d,index) {
	var i = d3.interpolate(d.outerRadius, barScale(+d.value));
	return function(t) { d.outerRadius = i(t); return arc(d,index); };
	});

	svg.append("circle")
	.attr("r", barHeight)
	.classed("outer", true)
	.style("fill", "none")
	.style("stroke", "black")
	.style("stroke-width","1.5px");

	var lines = svg.selectAll("line")
	.data(keys)
	.enter().append("line")
	.attr("y2", -barHeight - 20)
	.style("stroke", "black")
	.style("stroke-width",".5px")
	.attr("transform", function(d, i) { return "rotate(" + (i * 360 / numBars) + ")"; });

	// svg.append("g")
	// .attr("class", "x axis")
	// .call(xAxis);

	// Labels
	var labelRadius = barHeight * 1.025;

	var labels = svg.append("g")
	.classed("labels", true);

	labels.append("def")
	.append("path")
	.attr("id", "label-path")
	.attr("d", "m0 " + -labelRadius + " a" + labelRadius + " " + labelRadius + " 0 1,1 -0.01 0");

	labels.selectAll("text")
	.data(keys)
	.enter().append("text")
	.style("text-anchor", "middle")
	.style("font-size","15px")
	.style("fill", function(d, i) {return "#3e3e3e";})
	.append("textPath")
	.attr("xlink:href", "#label-path")
	.attr("startOffset", function(d, i) {return i * 100 / numBars + 50 / numBars + '%';})
	.text(function(d) {return d.toUpperCase(); });

	});

	</script>