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index.html
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index.html
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<!-- <!DOCTYPE html> -->
<html>
<head>
<link rel="shortcut icon" href="bikeicon.png"/>
<link rel="stylesheet" type="text/css" href="style.css">
<script src="https://d3js.org/d3.v3.min.js" type="text/javascript"></script>
<style>
.chord path {
fill-opacity: .67;
stroke: #000;
stroke-width: .2px;
}
svg { position:fixed; top:20px; left:0px; height:100%; width:100% }
#title { font-size: xx-large; font-family: "Helvetica";}
#menus { position:fixed; top:100px; width:300px; font-family: "Helvetica";}
</style>
<title>Manhattan Bike Rides</title>
</head>
<body>
<div id="title" style="color: #3A3A3B">
Manhattan CitiBike Trips 2013-2014
</div>
<div id="canvas" ></div>
<div id="menus">
Month: <form class="dropdown" action="" style="display:inline-block;">
<select name="months" id="months">
<option value="">All</option>
<option value="6">July '13</option>
<option value="7">August '13</option>
<option value="8">September '13</option>
<option value="9">October '13</option>
<option value="10">November '13</option>
<option value="11">December '13</option>
<option value="0">January '14</option>
<option value="1">February '14</option>
</select>
</form>
<br>
Day of the Week: <form class="dropdown" action="" style="display:inline-block;">
<select name="days" id="days">
<option value="">All</option>
<option value="0">Monday</option>
<option value="1">Tuesday</option>
<option value="2">Wednesday</option>
<option value="3">Thursday</option>
<option value="4">Friday</option>
<option value="5">Saturday</option>
<option value="6">Sunday</option>
</select>
</form>
<br>
Time of the Day: <form class="dropdown" action="" style="display:inline-block;">
<select name="hours" id="hours">
<option value="">All</option>
<option value="0">12am - 3am</option>
<option value="3">3am - 6am</option>
<option value="6">6am - 9am</option>
<option value="9">9am - 12pm</option>
<option value="12">12pm - 3pm</option>
<option value="15">3pm - 6pm</option>
<option value="18">6pm - 9pm</option>
<option value="21">9pm - 12am</option>
</select>
</form>
<br>
Gender:
<form class="dropdown" action="" style="display:inline-block;">
<select name="gender" id="gender">
<option value="">All</option>
<option value="1">Male</option>
<option value="2">Female</option>
</select>
</form>
<br>
Age: <form class="dropdown" action="" style="display:inline-block;">
<select name="age" id="age">
<option value="">All</option>
<option value="10">10-19 years old</option>
<option value="20">20-29 years old</option>
<option value="30">30-39 years old</option>
<option value="40">40-49 years old</option>
<option value="50">50-59 years old</option>
<option value="60">60-69 years old</option>
<option value="70">70+ years old</option>
</select>
</form>
<br>
Trip Duration: <form class="dropdown" action="" style="display:inline-block;">
<select name="duration" id="duration">
<option value="">All</option>
<option value="0">0-5 minutes</option>
<option value="300">5-10 minutes</option>
<option value="600">10-15 minutes</option>
<option value="900">15-20 minutes</option>
<option value="1200">20-25 minutes</option>
<option value="1500">25-30 minutes</option>
<option value="1800">30-35 minutes</option>
<option value="2100">35-40 minutes</option>
<option value="2400">40+ minutes</option>
</select>
</form>
</div>
<div id="trips">Total Number of Trips:</div>
<div id="numberTrips"></div>
<script type="text/javascript">
//Returns the width and height of the current window size.
//Function taken from http://andylangton.co.uk/blog/development/get-viewport-size-width-and-height-javascript
function viewport() {
var e = window, a = 'inner';
if (!('innerWidth' in window)){
a = 'client';
e = document.documentElement || document.body;
}
return { width : e[ a+'Width' ] , height : e[ a+'Height' ] };
}
//Defines the size of the diagram based on the window size.
var v = viewport();
var height = v.height - 10;
var width = v.width;
document.getElementById("trips")
.setAttribute("style","font-size:20; font-family:Helvetica; position:fixed; top:"+(height - 110)+"px");
document.getElementById("numberTrips")
.setAttribute("style","font-size:70; font-family:Helvetica; position:fixed; top:"+(height - 85)+"px");
sections = ["Upper Manhattan","Midtown West","Midtown East","Garment District","Chelsea",
"Flatiron District","West Village","East Village","SoHo","Tribeca","Lower East Side","Financial District"]
var dataMatrix = {};
for(var i = 0; i < sections.length; i++){
dataMatrix[sections[i]] = {};
for(var j = 0; j < sections.length; j++){
dataMatrix[sections[i]][sections[j]] = new Array();
}
}
var numTrips = 0;
var matrix = new Array();
for(var i = 0; i < sections.length; i++){
matrix.push(new Array());
for(var j = 0; j < sections.length; j++){
matrix[i].push(0);
}
}
var filterTypes = ["starttime1", "starttime2", "starttime3", "gender0", "birthyear0", "tripduration0"];
var filters = {};
for(var i = 0; i < filterTypes.length; i++){
filters[filterTypes[i]] = {active:0, val:0};
}
var filterfunctions = [
function (filterVal,actualVal) {return +filterVal != actualVal.getMonth();},
function (filterVal,actualVal) {return +filterVal > actualVal.getHours() || +filterVal+3 <= actualVal.getHours();},
function (filterVal,actualVal) {return +filterVal != actualVal.getDay();},
function (filterVal,actualVal) {return +filterVal != actualVal;},
function (filterVal,actualVal) {
var age = 2013 - actualVal;
if (age >= 70) return +filterVal != 70;
else return +filterVal > 2013 - actualVal || +filterVal+10 <= 2013 - actualVal;
},
function (filterVal,actualVal) {
if (actualVal >= 2400) return +filterVal != 2400;
else return +filterVal > actualVal || +filterVal+300 <= actualVal;
}
]
var layout = d3.layout.chord().padding(.05);
var innerRadius = Math.min(width, height) * .41;
var outerRadius = innerRadius * 1.1;
var svg = d3.select("#canvas")
.append("svg")
.attr("width", width)
.attr("height", height)
.attr("id", "svgcanvas");
// projection for the map
var projection = d3.geo.albersUsa().translate([width / 2 - 43650, height / 2 + 10450]).scale(150000);//.scale([150]);
// variable that holds all data points
var allStations= null;
var listAllStations = new Array();
var fill = d3.scale.ordinal()
.domain(d3.range(4))
.range(["#FFCC00", "#FFDD89", "#957244", "#F26223"]);
d3.csv("categorized_data_1800.csv",
function(d){
return{
start_section_name: d.start_section_name,
end_section_name: d.end_section_name,
tripduration: +d.tripduration,
starttime: new Date(d.starttime),
stoptime: new Date(d.stoptime),
start_station_name: d.start_station_name,
start_station_latitude: +d.start_station_latitude,
start_station_longitude: +d.start_station_longitude,
end_station_name: d.end_station_name,
end_station_latitude: +d.end_station_latitude,
end_station_longitude: +d.end_station_longitude,
usertype: +d.usertype,
birthyear: +d.birth_year,
gender: +d.gender
}
},
function(error, rows){
for(var i = 0; i < rows.length; i++){
dataMatrix[rows[i]["start_section_name"]][rows[i]["end_section_name"]].push(rows[i]);
}
for(var i = 0; i < sections.length; i++){
for(var j = 0; j < sections.length; j++){
matrix[i][j] += dataMatrix[sections[i]][sections[j]].length;
numTrips += matrix[i][j];
}
}
// draw chord
draw();
// draw the manhattan map, mark all stations, intialize data variable for allStations
drawMap();
function draw(){
//d3.select("svg").remove();
d3.select("#groupId").remove();
svg.append("g")
.attr("id", "groupId")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");
document.getElementById("numberTrips").innerHTML = numTrips;
layout.matrix(matrix);
var group = svg.select("#groupId").selectAll(".group")
.data(layout.groups)
.enter().append("g")
.attr("class", "group")
.on("mouseover", fade(.1))
.on("mouseout", fade(1));
function fade(opacity) {
return function(g, i) {
// if mouseover
if(opacity < 1){
var coordinates = new Array();
var ori = sections[i];
var cnt = 0;
for(var k = 0; k < sections.length; k++){
//console.log(dataMatrix[ori][sections[k]]);
// found the unique stations for this section
var thisSection = dataMatrix[ori][sections[k]];
for(var j = 0; j < thisSection.length; j++){
var isFound = false;
cnt++;
for(var x = 0; x < coordinates.length; x++){
if(coordinates[x].lat == thisSection[j].start_station_latitude && coordinates[x].lon == thisSection[j].start_station_longitude){
isFound = true;
}
}
if(!isFound){
coordinates.push({lat:thisSection[j].start_station_latitude, lon:thisSection[j].start_station_longitude});
}
}
}
// plot markers for stations on the map
var map = d3.select("#map");
d3.selectAll("#allSectionPoints").remove();
coordinates.forEach(function(element, index, array){
var location = projection([element.lon, element.lat]);
map.append("circle")
.attr("id", "sectionPoints")
.attr("cx", location[0])
.attr("cy", location[1])
.attr("r", 2)
.attr("fill", "red");
});
document.getElementById("numberTrips").innerHTML = cnt;
}
// if mouseout
else{
d3.selectAll("#sectionPoints").remove();
plotAllPoints();
document.getElementById("numberTrips").innerHTML = numTrips;
}
svg.selectAll(".chord path")
.filter(function(d) { return d.source.index != i && d.target.index != i; })
.transition()
.style("opacity", opacity);
};
}
group.append("title").text(function(d, i) {return sections[i];});
if (numTrips > 0) {
var groupPath = group.append("path")
.attr("id", function(d, i) { return "group" + i; })
.attr("d", d3.svg.arc().innerRadius(innerRadius).outerRadius(outerRadius))
.style("fill", function(d) { return fill(d.index); })
.style("stroke", function(d) { return fill(d.index); });
}
var groupText = group.append("text")
.attr("x", 6)
.attr("dy", 15)
.attr("fill", "#000000")
.attr("font-weight","bold")
.attr("font-size", 14)
.attr("font-family", "Helvetica");
groupText.append("textPath")
.attr("xlink:href", function(d, i) { return "#group" + i; })
.text(function(d, i) { return format(sections[i]); });
if (numTrips > 0) {
groupText.filter(function(d, i) {
return groupPath[0][i].getTotalLength() / 2 - 26 < this.getComputedTextLength();
}).remove();
}
var chord = svg.select("#groupId").append("g").attr("class", "chord").selectAll("path")
.data(layout.chords).enter().append("path")
.attr("d", d3.svg.chord().radius(innerRadius))
.style("fill", function(d) { return fill(d.target.index); })
.style("opacity", 1);
}
function computeMatrix() {
numTrips = 0;
for(var i = 0; i < sections.length; i++){
for(var j = 0; j < sections.length; j++){
matrix[i][j] = 0;
matrix[i][j] += filterArr(dataMatrix[sections[i]][sections[j]]);
numTrips += matrix[i][j];
}
}
draw();
}
function filterArr(arr) {
var num = 0;
for (var i = 0; i < arr.length; i++){
var satisfied = 1;
for (var j = 0; j < filterTypes.length; j++){
var filter = filters[filterTypes[j]];
var attribute = filterTypes[j].substring(0,filterTypes[j].length - 1);
if (filter["active"] == 1 && filterfunctions[j](filter["val"], arr[i][attribute])){
satisfied = 0;
break;
}
}
num += satisfied;
}
return num;
}
function generateOnChangeFunction(filterType, formID) {
return function () {
if (document.getElementById(formID).value == "") {
filters[filterType]["active"] = 0;
}
else {
filters[filterType]["active"] = 1;
filters[filterType]["val"] = document.getElementById(formID).value;
}
computeMatrix();
};
}
document.getElementById("months").onchange = generateOnChangeFunction("starttime1", "months");
document.getElementById("days").onchange = generateOnChangeFunction("starttime2", "days");
document.getElementById("hours").onchange = generateOnChangeFunction("starttime3", "hours");
document.getElementById("gender").onchange = generateOnChangeFunction("gender0", "gender");
document.getElementById("age").onchange = generateOnChangeFunction("birthyear0", "age");
document.getElementById("duration").onchange = generateOnChangeFunction("tripduration0", "duration");
}
);
function format(name) {
if(name == "Garment District")
return "Garment";
else if(name == "Financial District")
return "Financial D.";
else if(name == "Upper Manhattan")
return "U.M."
else return name;
}
// function to draw the map
function drawMap(){
var path = d3.geo.path().projection(projection);
d3.json("nybb.json", function(json) {
var map = svg.append("g")
.attr("id", "map")
.selectAll("path")
.data(json.features)
.enter()
.append("path")
.attr("d", path)
.style("stroke", "#888888")
.style("fill", "#cccccc");
plotAllPoints();
});
}
// plot all the points for all stations
function plotAllPoints(){
// if not cached
if(allStations == null){
d3.csv("allStations.csv",
function(d){
return {
lat : parseFloat(d.lat),
lon : parseFloat(d.lon)
}
},
function(error, rows){
var map = d3.select("#map");
for(var i = 0; i < rows.length; i++){
var loc = projection([rows[i].lon, rows[i].lat]);
map.append("circle")
.attr("id", "allSectionPoints")
.attr("cx", loc[0])
.attr("cy", loc[1])
.attr("r", 2)
.attr("fill", "red");
}
allStations = rows;
});
}
// if cached
else{
var map = d3.select("#map");
for(var i = 0; i < allStations.length; i++){
var loc = projection([allStations[i].lon, allStations[i].lat]);
map.append("circle")
.attr("id", "allSectionPoints")
.attr("cx", loc[0])
.attr("cy", loc[1])
.attr("r", 2)
.attr("fill", "red");
}
}
}
</script>
</body>
</html>