alteist/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org

  
## index.html
<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0;
    background-color: #ccc
    }
    .axis {
	  		font: 10px sans-serif;
			}

			.axis path,
			.axis line {
	  		fill: none;
	  		stroke: #000;
	  		shape-rendering: crispEdges;
			}
  </style>
</head>

<body>
  <script>
		var data =[[2011,0.11],[2012,0.44],[2013,-0.34],[2014,.24]]
//     var width = 200
//     var height = 200
    var margin = {top: 20, right: 20, bottom: 64, left: 40}
    var width = 313 - margin.left - margin.right
    var height = 217 - margin.top - margin.bottom

    var bar = {height: 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 + ")");

    var x = d3.scaleBand().rangeRound([0, width], .05).padding(0.4);
    var y = d3.scaleLinear().range([height, 0]);

    data.forEach(function(d) {
        d.date = d3.timeParse("%Y")(d[0]);
        d.value = +d[1];
    });

  x.domain(data.map(function(d) { return d.date; }));

    y.domain(d3.extent(data.map(function(d) { return d.value; })))


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

    var yAxis = d3.axisLeft()
    	.scale(y)
    	.ticks(4);

     svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)

  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)


    svg.append("line")
    	.attr("y1",y(0))
    	.attr("y2",y(0))
      .attr("x2",width)
      .style("stroke","grey")
    	.style("stroke-width","0.5")

    var bh = 4;
    svg.selectAll("bar")
      .data(data)
    	.enter()
    	.each(function (d, i) {

				var g = d3.select(this)
	      	.append("g")
        	.attr("class", function(d) { return "bar bar-" + (d.value < 0 ? "negative" : "positive"); })
	      var h = Math.abs(y(d.value) - y(0))
        d3.range(0,Math.floor(h/bh/2)).forEach((p,j)=>{
//   console.log(d.value)
	if (d.value > 0) {
    j=(j*-1)-0.5
    g.append("rect")
        .style("fill", "steelblue")
        .attr("x", x(d.date))
        .attr("width", x.bandwidth())
        .attr("y", y(0) + j*bh*2 )
        .attr("height", bh);
	} else if (d.value < 0) {
    g.append("rect")
        .style("fill", "steelblue")
        .attr("x", x(d.date))
        .attr("width", x.bandwidth())
        .attr("y", y(Math.max(0, d.value)) + j*bh*2 )
        .attr("height", bh);                                                                     }
    	})
    })

  </script>
</body>
	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<style>
	body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0;
	background-color: #ccc
	}
	.axis {
	font: 10px sans-serif;
	}

	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}
	</style>
	</head>

	<body>
	<script>
	var data =[[2011,0.11],[2012,0.44],[2013,-0.34],[2014,.24]]
	// var width = 200
	// var height = 200
	var margin = {top: 20, right: 20, bottom: 64, left: 40}
	var width = 313 - margin.left - margin.right
	var height = 217 - margin.top - margin.bottom

	var bar = {height: 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 + ")");

	var x = d3.scaleBand().rangeRound([0, width], .05).padding(0.4);
	var y = d3.scaleLinear().range([height, 0]);

	data.forEach(function(d) {
	d.date = d3.timeParse("%Y")(d[0]);
	d.value = +d[1];
	});

	x.domain(data.map(function(d) { return d.date; }));

	y.domain(d3.extent(data.map(function(d) { return d.value; })))


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

	var yAxis = d3.axisLeft()
	.scale(y)
	.ticks(4);

	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis)

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis)


	svg.append("line")
	.attr("y1",y(0))
	.attr("y2",y(0))
	.attr("x2",width)
	.style("stroke","grey")
	.style("stroke-width","0.5")

	var bh = 4;
	svg.selectAll("bar")
	.data(data)
	.enter()
	.each(function (d, i) {

	var g = d3.select(this)
	.append("g")
	.attr("class", function(d) { return "bar bar-" + (d.value < 0 ? "negative" : "positive"); })
	var h = Math.abs(y(d.value) - y(0))
	d3.range(0,Math.floor(h/bh/2)).forEach((p,j)=>{
	// console.log(d.value)
	if (d.value > 0) {
	j=(j*-1)-0.5
	g.append("rect")
	.style("fill", "steelblue")
	.attr("x", x(d.date))
	.attr("width", x.bandwidth())
	.attr("y", y(0) + jbh2 )
	.attr("height", bh);
	} else if (d.value < 0) {
	g.append("rect")
	.style("fill", "steelblue")
	.attr("x", x(d.date))
	.attr("width", x.bandwidth())
	.attr("y", y(Math.max(0, d.value)) + jbh2 )
	.attr("height", bh); }
	})
	})

	</script>
	</body>