jfost00/.block

## .block
license: gpl-3.0

## README.md

      
    Raw
  

              README.md
            
          
    This simple bar chart is constructed from a TSV file storing the frequency of letters in the English language. The chart employs conventional margins and a number of D3 features:

d3.tsv - load and parse data
d3.format - format percentages
d3.scale.ordinal - x-position encoding
d3.scale.linear - y-position encoding
d3.max - compute domains
d3.svg.axis - display axes

forked from mbostock's block: Bar Chart
forked from jfost00's block: Bar Chart

  
## data.tsv

          
            letter
            frequency

            
              A
              .08167

            
              B
              .01492

            
              C
              .02782

            
              D
              .04253

            
              E
              .12702

            
              F
              .02288

            
              G
              .02015

            
              H
              .06094

            
              I
              .06966

            
              J
              .00153

            
              K
              .00772

            
              L
              .04025

            
              M
              .02406

            
              N
              .06749

            
              O
              .07507

            
              P
              .01929

            
              Q
              .00095

            
              R
              .05987

            
              S
              .06327

            
              T
              .09056

            
              U
              .02758

            
              V
              .00978

            
              W
              .02360

            
              X
              .00150

            
              Y
              .01974

            
              Z
              .00074

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
    .bar {
        fill: steelblue;
    }

    .bar:hover {
        fill: rgb(150,165,180);
    }

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

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

    .x.axis path {
        display: none;
    }

    body {
        background-color: rgb(50, 60, 70);
        color: white;
    }

    .x.axis {
        color: white;
    }
  .tooltip {
    background-color: rgba(160, 170, 187, 0.5);
    margin: 10px;
    height: 70px;
    width: 200px;
    padding-left: 10px;
    padding-top: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
  }
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script type="text/javascript" src="tooltips.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1);

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

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

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .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.tsv("data.tsv", type, function(error, data) {
  if (error) throw error;

  x.domain(data.map(function(d) { return d.letter; }));
  y.domain([0, d3.max(data, function(d) { return d.frequency; })]);

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

  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Frequency");

  svg.selectAll(".bar")
      .data(data)
    	.enter().append("rect")
      .attr("class", "bar")
      .attr("x", function(d) { return x(d.letter); })
      .attr("width", x.rangeBand())
      .attr("y", function(d) { return y(d.frequency); })
      .attr("height", function(d) { return height - y(d.frequency); })
      .call(d3.helper.tooltip(function (d) {return "letter: <b>" + d.letter + "</b><br/>frequency: " + d.frequency;}));
});

function type(d) {
  d.frequency = +d.frequency;
  return d;
}

</script>

## tooltips.js
d3.helper = {};

d3.helper.tooltip = function (accessor) {
  return function (selection) {
    var tooltipDiv;
    var bodyNode = d3.select('body').node();
    selection.on("mouseover", function (d, i) {
      // Clean up lost tooltips
      d3.select('body').selectAll('div.tooltip').remove();
      // Append tooltip
      tooltipDiv = d3.select('body').append('div').attr('class', 'tooltip');
      var absoluteMousePos = d3.mouse(bodyNode);
      tooltipDiv.style('left', (absoluteMousePos[0] + 10) + 'px')
        .style('top', (absoluteMousePos[1] - 15) + 'px')
        .style('position', 'absolute')
        .style('z-index', 1001);
      // Add text using the accessor function
      var tooltipText = accessor(d, i) || '';
      // Crop text arbitrarily
      //tooltipDiv.style('width', function(d, i){return (tooltipText.length > 80) ? '300px' : null;})
      //    .html(tooltipText);
    })
      .on('mousemove', function (d, i) {
      // Move tooltip
      var absoluteMousePos = d3.mouse(bodyNode);
      tooltipDiv.style('left', (absoluteMousePos[0] + 10) + 'px')
        .style('top', (absoluteMousePos[1] - 15) + 'px');
      var tooltipText = accessor(d, i) || '';
      tooltipDiv.html(tooltipText);
    })
      .on("mouseout", function (d, i) {
      // Remove tooltip
      tooltipDiv.remove();
    });

  };
};
	letter	frequency
	A	.08167
	B	.01492
	C	.02782
	D	.04253
	E	.12702
	F	.02288
	G	.02015
	H	.06094
	I	.06966
	J	.00153
	K	.00772
	L	.04025
	M	.02406
	N	.06749
	O	.07507
	P	.01929
	Q	.00095
	R	.05987
	S	.06327
	T	.09056
	U	.02758
	V	.00978
	W	.02360
	X	.00150
	Y	.01974
	Z	.00074
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	.bar {
	fill: steelblue;
	}

	.bar:hover {
	fill: rgb(150,165,180);
	}

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

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

	.x.axis path {
	display: none;
	}

	body {
	background-color: rgb(50, 60, 70);
	color: white;
	}

	.x.axis {
	color: white;
	}
	.tooltip {
	background-color: rgba(160, 170, 187, 0.5);
	margin: 10px;
	height: 70px;
	width: 200px;
	padding-left: 10px;
	padding-top: 10px;
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;
	border-radius: 10px;
	}
	</style>
	<body>
	<script src="//d3js.org/d3.v3.min.js"></script>
	<script type="text/javascript" src="tooltips.js"></script>
	<script>

	var margin = {top: 20, right: 20, bottom: 30, left: 40},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var x = d3.scale.ordinal()
	.rangeRoundBands([0, width], .1);

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

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

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left")
	.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.tsv("data.tsv", type, function(error, data) {
	if (error) throw error;

	x.domain(data.map(function(d) { return d.letter; }));
	y.domain([0, d3.max(data, function(d) { return d.frequency; })]);

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

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis)
	.append("text")
	.attr("transform", "rotate(-90)")
	.attr("y", 6)
	.attr("dy", ".71em")
	.style("text-anchor", "end")
	.text("Frequency");

	svg.selectAll(".bar")
	.data(data)
	.enter().append("rect")
	.attr("class", "bar")
	.attr("x", function(d) { return x(d.letter); })
	.attr("width", x.rangeBand())
	.attr("y", function(d) { return y(d.frequency); })
	.attr("height", function(d) { return height - y(d.frequency); })
	.call(d3.helper.tooltip(function (d) {return "letter: <b>" + d.letter + "</b><br/>frequency: " + d.frequency;}));
	});

	function type(d) {
	d.frequency = +d.frequency;
	return d;
	}

	</script>
	d3.helper = {};

	d3.helper.tooltip = function (accessor) {
	return function (selection) {
	var tooltipDiv;
	var bodyNode = d3.select('body').node();
	selection.on("mouseover", function (d, i) {
	// Clean up lost tooltips
	d3.select('body').selectAll('div.tooltip').remove();
	// Append tooltip
	tooltipDiv = d3.select('body').append('div').attr('class', 'tooltip');
	var absoluteMousePos = d3.mouse(bodyNode);
	tooltipDiv.style('left', (absoluteMousePos[0] + 10) + 'px')
	.style('top', (absoluteMousePos[1] - 15) + 'px')
	.style('position', 'absolute')
	.style('z-index', 1001);
	// Add text using the accessor function
	var tooltipText = accessor(d, i) \|\| '';
	// Crop text arbitrarily
	//tooltipDiv.style('width', function(d, i){return (tooltipText.length > 80) ? '300px' : null;})
	// .html(tooltipText);
	})
	.on('mousemove', function (d, i) {
	// Move tooltip
	var absoluteMousePos = d3.mouse(bodyNode);
	tooltipDiv.style('left', (absoluteMousePos[0] + 10) + 'px')
	.style('top', (absoluteMousePos[1] - 15) + 'px');
	var tooltipText = accessor(d, i) \|\| '';
	tooltipDiv.html(tooltipText);
	})
	.on("mouseout", function (d, i) {
	// Remove tooltip
	tooltipDiv.remove();
	});

	};
	};