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AirBnbCalgary(V8).html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Calgary AirBnb</title>
<script type="text/javascript" src="d3.v5.min.js"></script>
</head>
<body>
<header>
<h1>AirBnB Calgary Listings and Borough</h1>
</header>
<button id='Borough-button'>Display Borough</button>
<button id='Listings-button'>Display Listings</button>
</body>
<style>
path {
stroke: lightgrey;
}
button,
svg {
display: block;
margin: 20px auto;
}
</style>
<script type="text/javascript">
//Width and height
var w = 800;
var h = 500;
//Define map projection
var projection = d3.geoMercator()
.center([-114.07, 51.0486])
.translate([w / 2, h / 2])
.scale([50000]);
//Define path generator
var path = d3.geoPath()
.projection(projection);
//Create SVG element
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h)
.style('border', '2px solid black') //to see where the border is zooming
.call(d3.zoom().on("zoom", function () { //Function call
svg.attr("transform", d3.event.transform)
}))
.append("g");
//colorLegend();
//changed the colour scale circle to square
svg.append("text")
.attr("font-size","30px")
.attr('x',10)
.attr('y',h-100)
.text("Prices")
svg.append("text")
.attr("font-size","20px")
.attr('x',10)
.attr('y',h-70)
.text("Low:")
svg.append("text")
.attr("font-size","20px")
.attr('x',10)
.attr('y',h-40)
.text("Average:")
svg.append("text")
.attr("font-size","20px")
.attr('x',10)
.attr('y',h-10)
.text("High:")
svg.append("rect")
.attr("x", 65)
.attr("y", h-80)
.attr("width", 15)
.attr("height",15)
.attr("fill","gray")
svg.append("rect")
.attr("x", 95)
.attr("y", h-50)
.attr("width", 15)
.attr("height",15)
.attr("fill","pink")
svg.append("rect")
.attr("x", 70)
.attr("y", h-20)
.attr("width", 15)
.attr("height",15)
.attr("fill","red")
//Load in GeoJSON data
d3.json("calgary.json").then(function(json) {
// Bind data and create one path per GeoJSON feature
svg.selectAll("path")
.data(json.features)
.enter()
.append("path")
.attr("d", path)
.attr('fill', 'white')
.append('title')
.text(function(d) {
return d.properties.name;
})
var color;
var maxvalue;
var minvalue;
//dictionary variables
var dictionary = {}; //average price for each borough
var rating_dictionary = {}; //average rating for each borough
var reviews_dictionary = {}; //average reviews for each borough
var location1= []; //borough location
var listings_dictionary = {};
var KeysA;
var dataset;
/*END: READ ONLY*/
//Load in the data
d3.csv("tomslee.csv").then(function (data){
dataset = data;
contributionDictionary();
//quantasizing borough color
maxvalue=Math.max.apply(null, Object.values(dictionary));
minvalue=Math.min.apply(null, Object.values(dictionary));
color = d3.scaleQuantize()
.range(["grey","pink","red"]);
color.domain([minvalue,maxvalue])
// quantasizing listings color
listing_prices = []
var i;
var keys=Object.keys(listings_dictionary);
for (i in keys){
listing_prices.push(listings_dictionary[keys[i]][0])
}
maxprice = Math.max.apply(null, listing_prices);
minprice = Math.min.apply(null, listing_prices);
listing_color = d3.scaleQuantize()
.range(["grey","pink","red"]);
//for the range, min and max doesnt work well since the minprice is 8 and the maxprice is 1000(both an outlier)
//so I guesstimate the range by taking the average of the prices (which is 81)
listing_color.domain([8,120])
//taking the average
// <!-- var sum = 0; -->
// <!-- for( var i = 0; i < listing_prices.length; i++ ){ -->
// <!-- sum += listing_prices[i]; -->
// <!-- } -->
// <!-- avg = sum/listing_prices.length; -->
// <!-- console.log(avg) -->
//colorLegend();
d3.select("#Borough-button")
.on("click", function() {
for (i in Array.from(new Array(dataset.length), (x,i) => i)){
d3.select("#listing"+i.toString()).remove();
}
generateBorough();
});
d3.select("#Listings-button")
.on("click", function() {
for (i in Array.from(new Array(location1.length), (x,i) => i)){
d3.select("#borough"+i.toString()).remove();
}
generateListings();
});
});
function contributionDictionary(){
dataset.forEach(function(d){
d.price=+d.price;
d.overall_satisfaction=+d.overall_satisfaction;
d.reviews=+d.reviews;
d.bedrooms=+d.bedrooms;
d.latitude=+d.latitude;
d.longitude=+d.longitude;
if (d.room_id in listings_dictionary){
listings_dictionary[d.room_id].push(d.price); //change the position of the pushing to change the index
listings_dictionary[d.room_id].push(d.bedrooms);
listings_dictionary[d.room_id].push(d.accommodates);
listings_dictionary[d.room_id].push(d.reviews);
if(isNaN(parseFloat(d.overall_satisfaction))) return;
listings_dictionary[d.room_id].push(d.overall_satisfaction);
listings_dictionary[d.room_id].push(d.neighborhood);
listings_dictionary[d.room_id].push(d.borough);
listings_dictionary[d.room_id].push(d.room_type);
}
else{
listings_dictionary[String(d.room_id)]=[]; //change the position of the pushing to change the index
//pushing attributes in the listing_dictionary[room_id] index reference:
listings_dictionary[d.room_id].push(d.price); // 0
listings_dictionary[d.room_id].push(d.bedrooms); // 1
listings_dictionary[d.room_id].push(d.accommodates); // 2
listings_dictionary[d.room_id].push(d.reviews); // 3
if(isNaN(parseFloat(d.overall_satisfaction))) return;
listings_dictionary[d.room_id].push(d.overall_satisfaction); // 4
listings_dictionary[d.room_id].push(d.neighborhood); // 5
listings_dictionary[d.room_id].push(d.borough); // 6
listings_dictionary[d.room_id].push(d.room_type); // 7
}
if(d.borough in dictionary){
if(d.bedrooms==0||d.bedrooms==1){
dictionary[String(d.borough)].push(d.price);
}
else{
dictionary[String(d.borough)].push(d.price/d.bedrooms);
}
//creating rating dictionary
if(isNaN(parseFloat(d.overall_satisfaction))) return;
rating_dictionary[String(d.borough)].push(d.overall_satisfaction)
//creating reviews dictionary
reviews_dictionary[String(d.borough)] += d.reviews;
}
else{
//location1[String(d.borough)]=[d.latitude,d.longitude];
location1.push({latitude:d.latitude,longitude:d.longitude,borough:d.borough})
dictionary[String(d.borough)]=[];
if(d.bedrooms==0||d.bedrooms==1){
dictionary[String(d.borough)].push(d.price);
}
else{
dictionary[String(d.borough)].push(d.price/d.bedrooms);
}
rating_dictionary[String(d.borough)]=[]; //rating dictionary
rating_dictionary[String(d.borough)].push(d.overall_satisfaction);
reviews_dictionary[String(d.borough)] = 0;
reviews_dictionary[String(d.borough)] += d.reviews;
}
});
//console.log(listings_dictionary)
var i;
//console.log(dictionary)
var keys1=Object.keys(dictionary); //keys1 is array of keys
for (i in keys1){ //i is index eg. keys1[0] = centre
dictionary[keys1[i]]=d3.mean(dictionary[keys1[i]]);
}
var i;
var keys2=Object.keys(rating_dictionary);
for (i in keys2){
rating_dictionary[keys2[i]]=d3.mean(rating_dictionary[keys2[i]]);
}
};
function colorLegend(){
//color legend
svg.append("text")
.attr("font-size","30px")
.attr('x',10)
.attr('y',h-100)
.text("Prices")
svg.append("text")
.attr("font-size","20px")
.attr('x',10)
.attr('y',h-70)
.text("Low:")
svg.append("text")
.attr("font-size","20px")
.attr('x',10)
.attr('y',h-40)
.text("Average:")
svg.append("text")
.attr("font-size","20px")
.attr('x',10)
.attr('y',h-10)
.text("High:")
svg.append("circle")
.attr("cx", 65)
.attr("cy", h-75)
.attr("r", 7)
.attr("fill","gray")
svg.append("circle")
.attr("cx", 95)
.attr("cy", h-45)
.attr("r", 7)
.attr("fill","pink")
svg.append("circle")
.attr("cx", 70)
.attr("cy", h-15)
.attr("r", 7)
.attr("fill","red")
}
function generateBorough(){
//Draw circles
svg.selectAll("circle").data(location1).enter().append("circle")
.attr("cx",function(d,i){
return projection([d.longitude, d.latitude])[0];
})
.attr("cy",function(d,i){
return projection([d.longitude, d.latitude])[1];
})
.attr("id",function(d,i){
return "borough"+ i.toString();
})
.attr("r",7)
.attr("fill",function(d,i){
return color(dictionary[d.borough]);
})
.on("mouseover",handleMouseOver)
.on("mouseout",handleMouseOut)
/////////////TEST////
//Mouse over event
function handleMouseOver(d, i) { // Add interactivity
// Specify where to put label of text
d3.select(this)
.attr('stroke', 'black')
.attr('stroke-width', '5px')
//mouseover-text - Average Price
svg.append("text").attr('id', "mouseover-text")
.attr('x',d3.select(this).attr('cx')-30)
.attr('y',d3.select(this).attr('cy')-30)
.text(" Average Price:"+Math.round(dictionary[d.borough]))
//mouseover2-text - Ratings
svg.append("text").attr('id', "mouseover2-text")
.attr('x',d3.select(this).attr('cx')-30)
.attr('y',d3.select(this).attr('cy')-45)
.text(" Average Rating:"+ d3.format(".1f")(rating_dictionary[d.borough]))
//mouseover3-text - reviews
svg.append("text").attr('id', "mouseover3-text")
.attr('x',d3.select(this).attr('cx')-30)
.attr('y',d3.select(this).attr('cy')-60)
.text(" Number of reviews:"+reviews_dictionary[d.borough]);
}
function handleMouseOut(d, i) {
// Use D3 to select element, change color back to normal
// Select text by id and then remove
d3.select(this)
.attr('stroke', 'none')
d3.select("#mouseover-text").remove() // Remove text location
d3.select("#mouseover2-text").remove()
d3.select("#mouseover3-text").remove();
}
svg.selectAll("text").data(location1).enter().append("text")
.attr("x",function(d,i){
return projection([d.longitude, d.latitude])[0];
})
.attr("y",function(d,i){
return projection([d.longitude, d.latitude])[1];
})
.attr("font-size","15px")
.text(function(d,i){
if(color(dictionary[d.borough])=="grey"||color(dictionary[d.borough])=="red"||color(dictionary[d.borough])=="pink"){
return d.borough
}
})
//colorLegend()
};
function generateListings(){
//Draw circles
svg.selectAll("circle").data(dataset).enter().append("circle") //change .data(dataset) to plot each listings
.attr("cx",function(d,i){
return projection([d.longitude, d.latitude])[0];
})
.attr("cy",function(d,i){
return projection([d.longitude, d.latitude])[1];
})
.attr("id",function(d,i){
return "listing"+ i.toString();
})
.attr("r",1)
.attr("fill",function(d,i){
return listing_color(listings_dictionary[d.room_id][0]);
})
.on('mouseover', function(){
d3.select(this)
.attr('stroke', 'black')
.attr('stroke-width', '0.5px')
})
.on('mouseout', function(){
d3.select(this)
.attr('stroke', 'none')
.attr('stroke-width', '8px')
})
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
.on("mouseover",handleMouseOver)
.on("mouseout",handleMouseOut)
/////////////TEST////
// Mouse over event for each listings
// mouseover number correspond to its index number in listings_dictionary[room_id]
// eg. listings_dictionary[room_id][0] is the price
function handleMouseOver(d, i) { // Add interactivity
// Specify where to put label of text
d3.select(this)
.attr('stroke', 'black')
.attr('stroke-width', '0.5px')
//mouseover0-text - Price
svg.append("text").attr('id', "mouseover0-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-5)
.text(" Price: $"+ listings_dictionary[d.room_id][0])
//mouseover1-text - Number of Bedrooms
svg.append("text").attr('id', "mouseover1-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-10)
.text(" Number of Bedrooms: "+ listings_dictionary[d.room_id][1])
//.text(" Average Rating:"+ d3.format(".1f")(rating_dictionary[d.borough]))
//mouseover2-text - Accomodates
svg.append("text").attr('id', "mouseover2-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-15)
.text(" Accomodates: "+ listings_dictionary[d.room_id][2])
//mouseover3-text - Reviews
svg.append("text").attr('id', "mouseover3-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-20)
.text(" Reviews: "+ listings_dictionary[d.room_id][3])
//mouseover4-text - Overall_satisfaction
svg.append("text").attr('id', "mouseover4-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-25)
.text(" Overall_satisfaction: "+ listings_dictionary[d.room_id][4])
//mouseover5-text - Neighborhood
svg.append("text").attr('id', "mouseover5-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-30)
.text(" Neighborhood: "+ listings_dictionary[d.room_id][5])
//mouseover6-text - Borough
svg.append("text").attr('id', "mouseover6-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-35)
.text(" Borough: "+ listings_dictionary[d.room_id][6])
//mouseover7-text - Room_type
svg.append("text").attr('id', "mouseover7-text")
.attr("font-size","5px")
.attr('x',d3.select(this).attr('cx')-10)
.attr('y',d3.select(this).attr('cy')-40)
.text(" Room_type: "+ listings_dictionary[d.room_id][7])
}
function handleMouseOut(d, i) {
// Use D3 to select element, change color back to normal
// Select text by id and then remove
d3.select(this)
.attr('stroke', 'none')
d3.select("#mouseover0-text").remove() // Remove text location
d3.select("#mouseover1-text").remove()
d3.select("#mouseover2-text").remove()
d3.select("#mouseover3-text").remove()
d3.select("#mouseover4-text").remove()
d3.select("#mouseover5-text").remove()
d3.select("#mouseover6-text").remove()
d3.select("#mouseover7-text").remove()
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
svg.selectAll("text").data(location1).enter().append("text")
.attr("x",function(d,i){
return projection([d.longitude, d.latitude])[0];
})
.attr("y",function(d,i){
return projection([d.longitude, d.latitude])[1];
})
.attr("font-size","15px")
.text(function(d,i){
if(color(dictionary[d.borough])=="grey"||color(dictionary[d.borough])=="red"||color(dictionary[d.borough])=="pink"){
return d.borough
}
})
//colorLegend()
};
});
</script>
</html>