d3visual/testbar.htm at master · masahmad/d3visual · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Test Barchart</title>

        <!-- Stylesheet -->
        <link rel="stylesheet" type="text/css" href="css/style.css">

        <!-- Load D3 -->
        <!--<script src="script/d3.v4.min.js" charset="utf-8"></script> -->
		<script src="script/d3.v3.min.js" charset="utf-8"></script>


        <style>

		svg {background-color:#dfd; width:100%;height:100%;}

		</style>


    </head>
    <body>
        <h2>Bar Chart</h2>


        <script>

		s =  {
    transformX: 400,
	transformY: 220,
	pieRadius: 200,
	innerPieRadius:150,
	pieStyle:"default",
	pieFX:"none",
	label:"none",
	opacity:1,
    parentContainer: 'body',
	jsonpath:"/vslearn/d3visual/other/GDP_Bar_Chart/gdp.csv"

  }


			// See D3 margin convention: http://bl.ocks.org/mbostock/3019563
var margin = {top: 20, right: 10, bottom: 100, left:50},
    width = 700 - margin.right - margin.left,
    height = 500 - margin.top - margin.bottom;

			var canvas   = d3.select("body")

            .append("svg")
            .attr("width", width)
            .attr("height", height);

			 var group  = canvas.append("g")
             .attr("transform","translate(" + margin.left + "," + margin.right + ")");


	  // define x and y scales
var xScale = d3.scale.ordinal().rangeRoundBands([0,width], 0.2, 0.2);

//v4
//var xScale = d3.scaleBand().rangeRound([0, width]).padding(0.2,0.2);

//v4
//var yScale = d3.scaleLinear().range([height, 0]);

//v3
var yScale = d3.scale.linear().range([height, 0]);


// define x axis and y axis
var xAxis = d3.svg.axis().scale(xScale).orient("bottom");
//version 4
//var xAxis = d3.axisBottom().scale(xScale);//.orient("bottom");

var yAxis = d3.svg.axis().scale(yScale).orient("left");

// v4
//var yAxis = d3.axisLeft().scale(yScale);

	    var color  = d3.scale.ordinal()
	  //var color  = d3.scaleOrdinal()
		.range(['#E6E6FA','#D8BFD8','#DDA0DD','#DA70D6','#EE82EE','#FF00FF','#FF00FF','#BA55D3','#9932CC','#9400D3','#8A2BE2','#8B008B']);


	d3.csv(s.jsonpath, function (data)
    {
		console.log(s.jsonpath);
		console.log(data);


     data.forEach(function(d) {
    d.country = d.country;
    d.gdp = +d.gdp;       // try removing the + and see what the console prints
    console.log(d.gdp);   // use console.log to confirm
  });


// sort the gdp values
  data.sort(function(a,b) {
    return b.gdp - a.gdp;
  });


  // Specify the domains of the x and y scales
  xScale.domain(data.map(function(d) { return d.country; }) );
  yScale.domain([0, d3.max(data, function(d) { return d.gdp; } ) ]);


  canvas.selectAll('rect')
    .data(data)
    .enter()
    .append('rect')
    .attr("height", 0)
    .attr("y", height)
    .transition()
	//.ease(d3.easeLinear)
	.duration(3000)

    .delay( function(d,i) { return i * 200; })

    // attributes can be also combined under one .attr
    .attr({
      "x": function(d) { return xScale(d.country); },
      "y": function(d) { return yScale(d.gdp); },
      //"width": xScale.bandwidth(),
	     "width": xScale.rangeBand(),
      "height": function(d) { return  height - yScale(d.gdp); }
    })
    .style("fill", function(d,i) { return 'rgb(255, 20, ' + ((i * 30) + 100) + ')'});


	   canvas.selectAll('text')
            .data(data)
            .enter()
            .append('text')
            .text(function(d){
                return d.gdp;
            })
            .attr({
                "x": function(d){ return xScale(d.country) +  xScale.rangeBand()/2; },
                "y": function(d){ return yScale(d.gdp)+ 12; },
                "font-family": 'sans-serif',
                "font-size": '13px',
                "font-weight": 'bold',
                "fill": 'white',
                "text-anchor": 'middle'
            });


	 // Draw xAxis and position the label
    canvas.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis)
        .selectAll("text")
        .attr("dx", "-.8em")
        .attr("dy", ".25em")
        .attr("transform", "rotate(-60)" )
        .style("text-anchor", "end")
        .attr("font-size", "10px");


    // Draw yAxis and postion the label
    canvas.append("g")
        .attr("class", "y axis")
        .call(yAxis)
        .append("text")
        .attr("transform", "rotate(-90)")
        .attr("x", -height/2)
        .attr("dy", "-3em")
        .style("text-anchor", "middle")
        .text("Trillions of US Dollars ($)");


		 }); // end ajax


		</script>


    </body>

</html>