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Update multibar-chart #11

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fa5ea1c
towards a multidirectional horizontal bar chart
wcjohnson11 Aug 14, 2014
eb375c5
barchart now shows Republican and Dems
wcjohnson11 Aug 14, 2014
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203 changes: 104 additions & 99 deletions charts/chart-boilerplate.html
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>

Expand Down Expand Up @@ -45,16 +46,24 @@
.chart {
flex: 6;
min-height: 4rem;
overflow: scroll;
}

@media (max-width: 48em) {
.wrapper {
flex-direction: column;
}
}
.area {
.bar.positive {
fill: steelblue;
clip-path: url(#clip);
}

.bar.negative {
fill: brown;
}

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

.axis path,
Expand All @@ -64,11 +73,6 @@
shape-rendering: crispEdges;
}

.brush .extent {
stroke: #fff;
fill-opacity: .125;
shape-rendering: crispEdges;
}
</style>

</head>
Expand All @@ -80,7 +84,6 @@ <h1>Chart Experiment Boilerplate</h1>
</div>
<div class="wrapper">
<div class="chart" id="chart">
<svg id="charts" width="100%" height="100%" viewBox="0 0 640 480"></svg>
</div>
<div class="sidebar" id="sidebar">
<h2>Metadata</h2>
Expand All @@ -92,10 +95,12 @@ <h2>Metadata</h2>
<script src="../bower_components/underscore/underscore.js"></script>
<script src="../bower_components/d3/d3.js"></script>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="../bower_components/d3-tip/index.js"></script>

<!-- makes global billDetails var -->
<script src="../data/bill-details.js"></script>
<script src="./sp500.csv"></script>

<script src="../data/votes_month.json"></script>

<!-- makes global billSubjects var -->
<script src="../data/bill-subjects.js"></script>
Expand All @@ -116,110 +121,110 @@ <h2>Metadata</h2>

function init () {

var margin = {top: 10, right: 10, bottom: 100, left: 40},
margin2 = {top: 430, right: 10, bottom: 20, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom,
height2 = 500 - margin2.top - margin2.bottom;

var parseDate = d3.time.format("%b %Y").parse;

var x = d3.time.scale().range([0, width]),
x2 = d3.time.scale().range([0, width]),
y = d3.scale.linear().range([height, 0]),
y2 = d3.scale.linear().range([height2, 0]);

var xAxis = d3.svg.axis().scale(x).orient("bottom"),
xAxis2 = d3.svg.axis().scale(x2).orient("bottom"),
yAxis = d3.svg.axis().scale(y).orient("left");

var brush = d3.svg.brush()
.x(x2)
.on("brush", brushed);

var area = d3.svg.area()
.interpolate("monotone")
.x(function(d) { return x(d.date); })
.y0(height)
.y1(function(d) { return y(d.price); });

var area2 = d3.svg.area()
.interpolate("monotone")
.x(function(d) { return x2(d.date); })
.y0(height2)
.y1(function(d) { return y2(d.price); });

var svg = d3.select("#charts").append("svg")
.attr("width", $( "#charts" ).width())
.attr("height", $( "#charts" ).width());

svg.append("defs").append("clipPath")
.attr("id", "clip")
.append("rect")
.attr("width", width)
.attr("height", height);

var focus = svg.append("g")
.attr("class", "focus")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var tip = d3.tip().attr('class', 'd3-tip').offset([-10, 0]).html (function(d) {return '<span>' + d.description + '</span>';});

var parseDate = d3.time.format("%Y-%m-%dT%H:%M:%SZ").parse;

var context = svg.append("g")
.attr("class", "context")
.attr("transform", "translate(" + margin2.left + "," + margin2.top + ")");
var parseDate2 = d3.time.format("%Y-%m-%d").parse;

d3.csv("./sp500.csv", type, function(error, data) {
x.domain(d3.extent(data.map(function(d) { return d.date; })));
y.domain([0, d3.max(data.map(function(d) { return d.price; }))]);
x2.domain(x.domain());
y2.domain(y.domain());
var margin = {top: 30, right: 10, bottom: 10, left: 10},
width = $("#chart").width(),
height = 500 - margin.top - margin.bottom;


focus.append("path")
.datum(data)
.attr("class", "area")
.attr("d", area);
//Fix the scale
var x = d3.scale.linear()
.range([0, width])

focus.append("g")
var y = d3.scale.ordinal()
.rangeRoundBands([0, height], .4);

var makePos = function (x) {
return Math.abs(x);
}

var xAxis = d3.svg.axis()
.scale(x)
.tickFormat(makePos)
.orient("top");

var svg = d3.select("#chart").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 data;
var dataFix;



d3.json("../data/votes_month.json", function(error, json) {
data = json.results.votes;

dataFix = data.reduce( function (acc, vote) {
return acc.concat([
{
yes: vote.democratic.yes * -1,
vote: vote
},{
yes: vote.republican.yes * 1,
vote: vote
}
]);
}, [] );

x.domain(d3.extent(dataFix, function(d)
{
//d3.min(d.yes) or nothing
return (d.yes); }));
y.domain(data.map(function(d) {
return d.description; }));


var tip = d3.tip().attr('class', 'd3-tip').offset([-10, 0]).html (function(data) {
return data;});

svg.selectAll(".bar")
.data(dataFix)
.enter().append("rect")
.attr("class", function(d) {
return d.yes < 0 ? "bar negative" : "bar positive"; })
.attr("x", function(d) { return x(Math.min(0, d.yes)); })
.attr("y", function(d) {
return y(d.vote.description); })
.attr("width", function(d) { return Math.abs(x(d.yes) - x(0)); })
.attr("height", y.rangeBand());

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

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

context.append("path")
.datum(data)
.attr("class", "area")
.attr("d", area2);
.append("line")
.attr("x1", x(0))
.attr("x2", x(0))
.attr("y2", height)
.on('mouseover', tip.show)
.on('mouseout', tip.hide);

context.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height2 + ")")
.call(xAxis2);

context.append("g")
.attr("class", "x brush")
.call(brush)
.selectAll("rect")
.attr("y", -6)
.attr("height", height2 + 7);
});

function brushed() {
x.domain(brush.empty() ? x2.domain() : brush.extent());
focus.select(".area").attr("d", area);
focus.select(".x.axis").call(xAxis);
}

function type(d) {
d.date = parseDate(d.date);
d.price = +d.price;
return d;
}
// code here.


/*
return data.reduce( function( acc, item) {
return acc.concat( item.results)
}, [])

data = data.reduce( function( acc, item) {
if (acc){
return acc.concat( item.results)
}
}, [])


chart = d3
.select( "#chart" )
Expand Down
124 changes: 0 additions & 124 deletions charts/sp500.csv
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