EmbraceLife/.block

## .block
license: gpl-3.0

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org
forked from EmbraceLife's block: 4. barChart3.b.v3
forked from EmbraceLife's block: 4. barChart3.b.v4
forked from EmbraceLife's block: 4. barChart3.c.v3

  
## data.tsv

          
            name
            value

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

<svg class="chart"></svg>

<style>

.bar {
  fill: steelblue;
}

/*  within class "axis", all texts  */
.axis text {
  font: 10px sans-serif;
}

/*  within class "axis", all paths and lines  */
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

/*  within class "x.axis", all paths */
.x.axis path {
  display: none;
}

</style>


<script>

// define "margin" object
var margin = {top: 20, right: 30, bottom: 30, left: 40},
// define inner canvas "width" and "height"
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;


// SVG is set to be full canvas
var chart = d3.select(".chart")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
// g is inner canvas
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// only set transform-translate, not width and height

// outcome: chart now is inner canvas g


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


var xScale = d3.scaleBand().rangeRound([0, width]).padding(.1).round(true);


// ---- create x-axis function with xScale
var xAxis = d3.axisBottom(xScale);
// console.log(xAxis); // just a function


var yAxis = d3.axisLeft(yScale);


function type(d) {
  d.value = Math.round(+d.value*1000)/1000;
  return d;
}


d3.tsv("data.tsv", type, function(error, data) {


  xScale.domain(data.map(function(d) { return d.name; }));

  yScale.domain([0, d3.max(data, function(d) { return d.value; })]);

// ---- draw x-axis -------------------
//   1. upon inner canvas g
//   2. create a g placeholder
//   3. add className "x axis"
//   4. transform-translate to bottom
//   5. call to draw x-axis
var xaxis = chart.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);
// length or height of x-axis is depend on xAxis -> xScale
// xScale.range is set within inner canvas width


var yaxis = chart.append("g")
// y-axis origin start at where inner canvas chart starts
      .attr("class", "y axis")
      .call(yAxis);
// length or height of y-axis is depend on yAxis -> yScale
//   yscale.range is set within inner canvas height


var bars =
    chart.selectAll(".bar")
         .data(data)
         .enter().append("rect")
       		 .attr("class", "bar")
        	 .attr("x", function(d) { return xScale(d.name); })
            .attr("y", function(d) { return yScale(d.value); })
            .attr("height", function(d) { return height - yScale(d.value); })
            .attr("width", xScale.bandwidth());


var texts =
    chart.selectAll(".text")
         .data(data)
         .enter().append("text")
       		 .attr("class", ".text")
					 .text(function(d){return d.value;})
					 .attr("text-anchor", "middle")
  				 .attr("x", function(d){return xScale(d.name) + xScale.bandwidth()/2;})
           .attr("y", function(d){return yScale(d.value)-1;})
					 .attr("fill", "orange");


});


</script>
	name	value
	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">
	<script src="//d3js.org/d3.v4.min.js"></script>

	<svg class="chart"></svg>

	<style>

	.bar {
	fill: steelblue;
	}

	/* within class "axis", all texts */
	.axis text {
	font: 10px sans-serif;
	}

	/* within class "axis", all paths and lines */
	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}

	/* within class "x.axis", all paths */
	.x.axis path {
	display: none;
	}

	</style>


	<script>

	// define "margin" object
	var margin = {top: 20, right: 30, bottom: 30, left: 40},
	// define inner canvas "width" and "height"
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;



	// SVG is set to be full canvas
	var chart = d3.select(".chart")
	.attr("width", width + margin.left + margin.right)
	.attr("height", height + margin.top + margin.bottom)
	// g is inner canvas
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
	// only set transform-translate, not width and height

	// outcome: chart now is inner canvas g



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


	var xScale = d3.scaleBand().rangeRound([0, width]).padding(.1).round(true);


	// ---- create x-axis function with xScale
	var xAxis = d3.axisBottom(xScale);
	// console.log(xAxis); // just a function


	var yAxis = d3.axisLeft(yScale);


	function type(d) {
	d.value = Math.round(+d.value*1000)/1000;
	return d;
	}



	d3.tsv("data.tsv", type, function(error, data) {


	xScale.domain(data.map(function(d) { return d.name; }));

	yScale.domain([0, d3.max(data, function(d) { return d.value; })]);

	// ---- draw x-axis -------------------
	// 1. upon inner canvas g
	// 2. create a g placeholder
	// 3. add className "x axis"
	// 4. transform-translate to bottom
	// 5. call to draw x-axis
	var xaxis = chart.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis);
	// length or height of x-axis is depend on xAxis -> xScale
	// xScale.range is set within inner canvas width




	var yaxis = chart.append("g")
	// y-axis origin start at where inner canvas chart starts
	.attr("class", "y axis")
	.call(yAxis);
	// length or height of y-axis is depend on yAxis -> yScale
	// yscale.range is set within inner canvas height



	var bars =
	chart.selectAll(".bar")
	.data(data)
	.enter().append("rect")
	.attr("class", "bar")
	.attr("x", function(d) { return xScale(d.name); })
	.attr("y", function(d) { return yScale(d.value); })
	.attr("height", function(d) { return height - yScale(d.value); })
	.attr("width", xScale.bandwidth());


	var texts =
	chart.selectAll(".text")
	.data(data)
	.enter().append("text")
	.attr("class", ".text")
	.text(function(d){return d.value;})
	.attr("text-anchor", "middle")
	.attr("x", function(d){return xScale(d.name) + xScale.bandwidth()/2;})
	.attr("y", function(d){return yScale(d.value)-1;})
	.attr("fill", "orange");


	});


	</script>