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user_scatter.html
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<!DOCTYPE html>
<html>
<head>
<title>D3 experiment</title>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.v2.js"></script>
<!--
<script type="text/javascript" src="d3/d3.v2.js"></script>
-->
</head>
<body>
<div id="vis">
</div>
<script type="text/javascript">
var visWidth = 400;
var visHeight = 300;
var userData = []; // [UserObj, ...]
var vis = d3.select("#vis");
document.getElementById('vis').style.top = '0px';
document.getElementById('vis').style.left = '0px';
document.getElementById('vis').style.width = visWidth + 'px';
document.getElementById('vis').style.padding = "10px 0px 0px 10px";
var chart = d3.select("#vis")
.append("svg")
.attr("class", "chart")
.attr("width", visWidth)
.attr("height", visHeight);
var xVar = "Total XP";
var yVar = "Quest XP";
var xScale;
var yScale;
function draw() {
var points = chart.selectAll("circle").data(userData);
points.enter()
.append("circle")
.attr("cx", function(d) { return xScale(d[xVar]); })
.attr("cy", function(d) { return yScale(d[yVar]); })
.attr("r", 4)
.style("fill", "gray");
}
function updateScales() {
var xExtents = d3.extent(userData, function(d) { return d[xVar]; });
var yExtents = d3.extent(userData, function(d) { return d[yVar]; });
//console.debug(xExtents);
//console.debug(yExtents);
xScale = d3.scale.linear()
.domain(xExtents)
.range([0, visWidth]);
yScale = d3.scale.linear()
.domain(yExtents)
.range([visHeight, 0]);
}
/**
* convert a single record with string values
* into a user object with proper types
*/
function createUserObj(namedRec) {
var user = new Object();
user["GamerTag"] = namedRec["GamerTag"];
user["Name"] = namedRec["Name"];
user["Last Initial"] = namedRec["Last Initial"];
user["Rank/Grade"] = namedRec["Rank/Grade"]; // ordinal field...
user["Total XP"] = parseInt(namedRec["Total XP"]);
user["Quest XP"] = parseInt(namedRec["Quest XP"]);
user["Active"] = parseInt(namedRec["Active"]);
user["Completed"] = parseInt(namedRec["Completed"]);
user["Dropped"] = parseInt(namedRec["Dropped"]);
user["Reward XP"] = parseInt(namedRec["Reward XP"]);
user["Badges"] = parseInt(namedRec["Badges"]);
user["Achievements"] = parseInt(namedRec["Achievements"]);
user["Awards"] = parseInt(namedRec["Awards"]);
user["Activity"] = parseInt(namedRec["Activity"]);
user["Persistence"] = namedRec["Persistence"];
user["Ratings"] = parseInt(namedRec["Ratings"]);
user["Avg. Rating"] = parseFloat(namedRec["Avg. Rating"]);
user["Avg. Time"] = parseFloat(namedRec["Avg. Time"]);
user["Comments"] = parseInt(namedRec["Comments"]);
return user;
}
function preprocessUserData(data) {
if (data == null) {
console.error("null data passed into preprocessUserData");
return null;
}
//console.debug(data);
var newUserData = new Array();
for (var i=0; i < data.length; i++) {
newUserData.push(createUserObj(data[i]));
}
return newUserData;
}
var fname = "user_report.csv";
d3.csv(fname, function(data) {
userData = preprocessUserData(data);
updateScales();
draw();
});
// var _curID = 0;
// function next() {
// return {
// label: _curID++,
// value: Math.random() * 50,
// };
// }
//
// // initialize data with 10 elements
// var data = d3.range(10).map(next);
//
// console.debug(data);
//
// var totalWidth = 600;
// var totalHeight = 500;
// var barVMargin = 5;
//
// var xScale = d3.scale.linear()
// .domain([0, 50])
// .rangeRound([0, totalWidth]);
//
// var yScale = d3.scale.ordinal()
// .domain(data.map(function(d) { return d.label; }))
// .rangeBands([0, totalHeight]);
//
// var barHeight = Math.floor(totalHeight / data.length) - barVMargin;
// console.debug(barHeight);
//
// var chart = d3.select("#vis")
// .append("svg")
// .attr("class", "chart")
// .attr("width", totalWidth)
// .attr("height", totalHeight)
// .append("g")
// .attr("transform", "translate(10, 0)");
//
//
// function draw() {
// var xMax = d3.max(data.map(function(d) { return d.value; }));
// xScale.domain([0, xMax]);
// yScale.domain(data.map(function(d) { return d.label; }));
// barHeight = Math.floor(totalHeight / data.length) - barVMargin;
//
// var bars = chart.selectAll("rect")
// .data(data, function(d) { return d.label; });
//
// bars.enter()
// .append("rect")
// .attr("x", 0)
// .attr("y", function(d) { return yScale(d.label); })
// .attr("height", barHeight)
// .attr("width", 0)
// .attr("fill", function(d) { return randomColor(); })
// .transition()
// .duration(1000)
// .attr("width", function(d) { return xScale(d.value); });
//
// bars.transition()
// .duration(1000)
// .attr("y", function(d) { return yScale(d.label); })
// .attr("width", function(d) { return xScale(d.value); })
// .attr("height", barHeight);
//
// bars.exit()
// .transition()
// .duration(1000)
// .attr("width", 0)
// .remove();
// }
//
//
// setInterval(function() {
// var numElements = Math.floor(Math.random()*8 + 2);
// //data = d3.range(numElements).map(next);
//
// var orig_i = 0;
// var newData = new Array();
//
// for (var i=0; i<numElements; i++) {
// if (data.length == 0 || Math.random() > 0.5) {
// newData.push(next());
// } else {
// newData.push(data.shift())
// }
// }
// data = newData;
//
// draw();
// }, 2000);
</script>
</body>
</html>