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00_values.html
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00_values.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DSI Data Viz</title>
<style type="text/css">
body {
font-family: 'Helvetica', sans-serif;
margin: 1em;
}
h2.section {
font-size: 350%;
border-bottom: 1px solid #DDDDDD;
margin-bottom: 0.5em;
font-weight: bold;
}
#charts {
margin-top: 2em;
}
#charts svg {
margin-right: 1em;
margin-bottom: 2em;
}
text.label {
font-size: 70%;
text-anchor: end;
}
text.value {
font-size: 90%;
text-anchor: start;
}
text.title {
font-size: 180%;
text-anchor: start;
}
</style>
<script type="text/javascript" src="lib/d3.v3.min.js"></script>
<script type="text/javascript" src="lib/q.min.js"></script>
<script type="text/javascript">
function buildDummyChart(title, data) {
var maxValue = data[0].count;
var barRatio = 0.5;
var w = 400;
var h = 610;
var svg = d3.select("#charts")
.append("svg")
.attr("width", w)
.attr("height", h);
svg.append("text")
.attr("fill", "#000000")
.attr("class", "title")
.attr("x", 0)
.attr("y", 30)
.text(title + ' /' + data.length);
}
function buildBarChart(title, data, maxCount) {
maxValue = maxCount || data[0].count;
var barRatio = 0.5;
var w = 500;
var h = 310;
var dataCount = data.length;
title = title.replace('ds:', '')
if (data.length > 30) {
data = data.slice(0, 30);
data.push({ name : '...' })
}
data = data.filter(function(item) {
return item.count >= 10;
})
h = 50 + data.length * 20;
var svg = d3.select("#charts")
.append("svg")
.attr("width", w)
.attr("height", h)
.style("float", 'left')
.style("clear", 'both');
svg.append("text")
.attr("fill", "#000000")
.attr("class", "title")
.attr("x", 0)
.attr("y", 30)
.text(title + ' /' + dataCount);
svg.selectAll("rect")
.data(data)
.enter()
.append("rect")
.attr("fill", "#00EDBA")
.attr("x", w*(1-barRatio) - 20)
.attr("y", function(d, i) { return 50 + i * 17; })
.attr("width", function(d, i) { return d.count ? (d.count / maxValue * w*barRatio) : 0; })
.attr("height", 16);
svg.selectAll("text.label")
.data(data)
.enter()
.append("text")
.attr("fill", "#000000")
.attr("class", "label")
.attr("x", w*(1-barRatio) - 25)
.attr("y", function(d, i) { return 64 + i * 17; })
.text(function(d) { return d.name; })
svg.selectAll("text.value")
.data(data)
.enter()
.append("text")
.attr("class", "value")
.attr("fill", "#000000")
.attr("x", function(d) { return w*(1-barRatio) - 17 + d.count / maxValue * w*barRatio })
.attr("y", function(d, i) { return 64 + i * 17; })
.text(function(d) { return d.count; })
svg.append("line")
.attr("stroke", "#DDD")
.attr("x1", 0).attr("x2", w)
.attr("y1", 40.5).attr("y2", 40.5)
}
function buildNumberChart(title, data) {
var sum = 0;
var count = 0;
var min = 0;
var max = 0;
data.forEach(function(value) {
var val = Number(value.name);
if (isNaN(val)) return;
sum += val * value.count;
count += value.count;
if (val > max || !max) max = val;
if (val < min || !min) min = val;
});
if (min < 0) min = 0;
var values = [
{ name : Math.floor(max) + ' max', count : max },
{ name : Math.floor(min) + ' min', count : min },
{ name : Math.floor(sum/count) + ' avg', count : Math.floor(sum/count) }
];
buildBarChart(title, values)
}
/*
d3.csv('../data/TSB-data-public.csv', function(error, rows) {
var fieldNames = [];
console.log('Loaded ', rows.length, 'rows');
for(var fieldName in TSB.Fields) {
fieldNames.push(fieldName);
}
fieldNames.forEach(function(fieldName) {
var field = TSB.Fields[fieldName];
if (!field) {
throw 'Field ' + fieldName + ' not found in TSB.Fields!';
}
var values;
var countedValues;
var maxCount;
if (field.type == 'Date') {
values = rows.map(function(row) { return row[fieldName].split('/')[2] || 'Unknown' });
countedValues = countValues(values);
maxCount = countedValues[0].count
countedValues.sort(function(a, b) {
return -Number(a.name) + Number(b.name);
})
}
else {
values = rows.map(function(row) { return row[fieldName] || 'Unknown' });
countedValues = countValues(values);
}
if ((field.type == 'Date' || field.type == 'Text' || field.type == 'Enum' || !field.type || field.format == 'YYYY')) {
buildBarChart(fieldName, countedValues, maxCount);
}
else if (field.type == 'Number' && (field.unique || countedValues.length == 1)) {
buildBarChart(fieldName, countedValues);
}
else if (field.type == 'Number') {
buildNumberChart(fieldName, countedValues);
}
else {
buildDummyChart(fieldName, countedValues);
}
});
}).on("progress", function(event){
if (event.lengthComputable) {
var percentComplete = Math.round(event.loaded * 100 / event.total);
console.log(percentComplete);
}
});
*/
</script>
<script type="text/javascript" src="00_values.js"></script>
</head>
<body>
<div id="charts"></div>
</body>
</html>