Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

slider input to reassign pieChart #1166

Closed
wants to merge 1 commit into from
Closed

slider input to reassign pieChart #1166

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
114 changes: 114 additions & 0 deletions web/examples/slider-reassign-pieChart.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,114 @@
<!DOCTYPE html>
<html>
<head>
<link href="http://dc-js.github.io/dc.js/css/dc.css" type="text/css" rel="stylesheet"/>
<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.4.10/d3.js" ></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/crossfilter/1.3.12/crossfilter.min.js" ></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/dc/2.1.0-dev/dc.js"></script>
</head>

<body>

<div id="inputSlider">
<input type="range" id="slideRange" value="0.5" min="0" max="1.0" step="0.1" onchange="updateSlider(this.value)">
Score threshold:
<label id="sliderValue">0.5</label>
</div>
<div id="dc-coreAcc-piechart"></div>
<div id="dc-score-barchart"></div>

<script type="text/javascript">
var data = [
{ "book": "A", "scores": 45 },
{ "book": "B", "scores": 34 },
{ "book": "C", "scores": 54 },
{ "book": "D", "scores": 27 },
{ "book": "E", "scores": 70 },
{ "book": "F", "scores": 25 },
{ "book": "G", "scores": 92 },
{ "book": "H", "scores": 22 },
{ "book": "I", "scores": 40 },
{ "book": "J", "scores": 10 },
{ "book": "K", "scores": 40 }
];

//## Create Chart Objects
var scoreChart = dc.barChart("#dc-score-barchart")
.xAxisLabel('book_id')
.yAxisLabel('score');
var goodYesNoPieChart = dc.pieChart('#dc-coreAcc-piechart');

//### Create Crossfilter Dimensions and Groups
var ndx = crossfilter(data);
var all = ndx.groupAll();
var bookDimension = ndx.dimension(function (d) {return d.book;}),
bookscoresGroup = bookDimension.group().reduceSum(function(d) {return d.scores;});

//## score bar chart
scoreChart.width(320)
.height(320)
.dimension(bookDimension)
.group(bookscoresGroup)
.elasticY(true)
.x(d3.scale.ordinal())
.xUnits(dc.units.ordinal)
.colors(["orange"])
.yAxis().ticks(5);

//## pie chart
// reusable function to create threshold dimension
function coreCount_from_threshold() {
var scoreThreshold=document.getElementById('slideRange').value;
scoreThreshold=parseFloat(scoreThreshold);
if (isNaN(scoreThreshold)) {
scoreThreshold=0.5
}
return ndx.dimension(function (d) {
var maxNumber=80;
if (d.scores >maxNumber*scoreThreshold) {
return 'High';
} else {
return 'Low';
}
});
}
var coreCount = coreCount_from_threshold();
var coreCountGroup = coreCount.group();

goodYesNoPieChart
.width(320)
.height(320)
.radius(120)
.innerRadius(40)
.dimension(coreCount)
.title(function(d){return d.value;})
.group(coreCountGroup)
.label(function (d) {
if (goodYesNoPieChart.hasFilter() && !goodYesNoPieChart.hasFilter(d.key)) {
return d.key + '(0%)';
}
var label = d.key;
if (all.value()) {
label += '(' + Math.floor(d.value / all.value() * 100) + '%)';
}
return label;
})

dc.renderAll();

//## change slider score value to re-assign the data in pie chart
function updateSlider(slideValue) {
var sliderDiv = document.getElementById("sliderValue");
sliderDiv.innerHTML = slideValue;
coreCount.dispose();
coreCount = coreCount_from_threshold();
coreCountGroup = coreCount.group();
goodYesNoPieChart
.dimension(coreCount)
.group(coreCountGroup);
dc.redrawAll();
}

</script>
</body>
</html>