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index.html
1006 lines (885 loc) · 30.4 KB
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index.html
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<!--header('content-type: application/json; charset=utf-8');
header("access-control-allow-origin: *");-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Heatmaps</title>
<!--<link rel="stylesheet" href="styles.css">-->
<style>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#floating-panel {
position: absolute;
top: 10px;
right: 10px;
z-index: 5;
background-color: #fff;
padding: 5px;
border: 1px solid #999;
text-align: center;
font-family: 'Roboto','sans-serif';
line-height: 30px;
padding-left: 10px;
}
.controls {
margin-top: 10px;
border: 1px solid transparent;
border-radius: 2px 0 0 2px;
box-sizing: border-box;
-moz-box-sizing: border-box;
height: 32px;
outline: none;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}
#origin-input,
#destination-input {
background-color: #fff;
font-family: Roboto;
font-size: 15px;
font-weight: 300;
margin-left: 12px;
padding: 0 11px 0 13px;
text-overflow: ellipsis;
width: 200px;
}
#origin-input:focus,
#destination-input:focus {
border-color: #4d90fe;
}
#mode-selector {
color: #fff;
background-color: #4d90fe;
margin-left: 12px;
padding: 5px 11px 0px 11px;
}
#mode-selector label {
font-family: Roboto;
font-size: 13px;
font-weight: 300;
}
.clock {
font-size: 4em;
opacity: 0.7;
}
.clock-text{
font-size: .7em;
margin-left: 0;
padding-bottom: 1%;
}
</style>
</head>
<body>
<input id="origin-input" class="controls" type="text"
placeholder="Enter an origin location">
<input id="destination-input" class="controls" type="text"
placeholder="Enter a destination location">
<div id="mode-selector" class="controls">
<input type="radio" name="type" id="changemode-walking" checked="checked">
<label for="changemode-walking">Walking</label>
<input type="radio" name="type" id="changemode-transit">
<label for="changemode-transit">Transit</label>
<input type="radio" name="type" id="changemode-driving">
<label for="changemode-driving">Driving</label>
</div>
<div id="floating-panel">
<div class="clock" style="margin-top:15px"></div>
<button onclick="incrementClock()" style="margin-top:15px">+1 Hr</button>
<button onclick="decrementClock()" style="margin-top:15px">-1 Hr</button>
<button onclick="resetClock()" style="margin-top:15px">Reset</button>
<div id="duration_fastest" class = "clock-text">Fastest Path Duration: </div>
<div id="distance_fastest" class = "clock-text">Fastest Path Distance: </div>
<div id="duration_safest" class = "clock-text">Safest Path Duration: </div>
<div id="distance_safest" class = "clock-text">Safest Path Distance: </div>
<!--<button onclick="toggleHeatmap()">Toggle Heatmap</button>
<button onclick="changeGradient()">Change gradient</button>
<button onclick="changeRadius()">Change radius</button>
<button onclick="changeOpacity()">Change opacity</button>-->
</div>
<div id="map">
</div>
<script src="assets/jquery.js"></script>
<script>
var cur_hour = new Date().getHours();
function clock() {// We create a new Date object and assign it to a variable called "time".
var time = new Date();
var hour = time.getHours();
var minutes = time.getMinutes();
document.querySelectorAll('.clock')[0].innerHTML = harold(cur_hour) + ":" + harold(minutes);
function harold(standIn) {
if (standIn < 10) {
standIn = '0' + standIn;
}
return standIn;
}
}
setInterval(clock, 500);
function incrementClock(){
cur_hour += 1;
console.log("incremented");
makeServerCall(map_clock);
}
function decrementClock(){
console.log("decremented");
cur_hour -= 1;
makeServerCall(map_clock);
}
function resetClock(){
cur_hour = new Date().getHours();
console.log("reset");
makeServerCall(map_clock);
}
// This example requires the Visualization library. Include the libraries=visualization
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=visualization">
var heatmap, directionsService, autocomplete, xhr;
var map_clock;
var crime_positions = [];
function initMap() {
var directionsService = new google.maps.DirectionsService;
map = new google.maps.Map(document.getElementById('map'), {
zoom: 13,
center: {lat: 41.89558736, lng: -87.74508787},
styles:
[
{
"elementType": "geometry",
"stylers": [
{
"color": "#1d2c4d"
}
]
},
{
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#8ec3b9"
}
]
},
{
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#1a3646"
}
]
},
{
"featureType": "administrative.locality",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#ffcd73"
},
{
"saturation": -10
},
{
"lightness": 10
}
]
},
{
"featureType": "administrative.locality",
"elementType": "labels.text.stroke",
"stylers": [
{
"saturation": -35
}
]
},
{
"featureType": "landscape",
"elementType": "geometry",
"stylers": [
{
"color": "#10202a"
}
]
},
{
"featureType": "landscape.man_made",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#001f49"
}
]
},
{
"featureType": "landscape.man_made",
"elementType": "geometry.stroke",
"stylers": [
{
"color": "#334e87"
}
]
},
{
"featureType": "landscape.natural",
"elementType": "geometry",
"stylers": [
{
"color": "#023e58"
}
]
},
{
"featureType": "landscape.natural",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#102d5f"
}
]
},
{
"featureType": "poi",
"elementType": "geometry",
"stylers": [
{
"color": "#283d6a"
}
]
},
{
"featureType": "poi",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#0ba395"
}
]
},
{
"featureType": "poi",
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#1d2c4d"
}
]
},
{
"featureType": "poi.business",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#131e49"
}
]
},
{
"featureType": "poi.park",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#142754"
},
{
"saturation": 25
}
]
},
{
"featureType": "poi.park",
"elementType": "labels.text",
"stylers": [
{
"visibility": "off"
}
]
},
{
"featureType": "poi.park",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#3C7680"
}
]
},
{
"featureType": "road",
"elementType": "geometry",
"stylers": [
{
"color": "#304a7d"
}
]
},
{
"featureType": "road",
"elementType": "labels.icon",
"stylers": [
{
"visibility": "off"
}
]
},
{
"featureType": "road",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#98a5be"
}
]
},
{
"featureType": "road",
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#1d2c4d"
}
]
},
{
"featureType": "road.arterial",
"elementType": "geometry.fill",
"stylers": [
{
"saturation": -15
}
]
},
{
"featureType": "road.highway",
"elementType": "geometry",
"stylers": [
{
"color": "#2c6675"
}
]
},
{
"featureType": "road.highway",
"elementType": "geometry.stroke",
"stylers": [
{
"color": "#255763"
}
]
},
{
"featureType": "road.highway",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#b0d5ce"
}
]
},
{
"featureType": "road.highway",
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#023e58"
}
]
},
{
"featureType": "transit",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#98a5be"
}
]
},
{
"featureType": "transit",
"elementType": "labels.text.stroke",
"stylers": [
{
"color": "#1d2c4d"
}
]
},
{
"featureType": "transit.line",
"elementType": "geometry.fill",
"stylers": [
{
"color": "#283d6a"
}
]
},
{
"featureType": "transit.station",
"elementType": "geometry",
"stylers": [
{
"color": "#3a4762"
}
]
},
{
"featureType": "water",
"elementType": "geometry",
"stylers": [
{
"color": "#0e1626"
}
]
},
{
"featureType": "water",
"elementType": "labels.text.fill",
"stylers": [
{
"color": "#4e6d70"
}
]
}
]
<<<<<<< Updated upstream
});
=======
>>>>>>> Stashed changes
map_clock = map;
<<<<<<< Updated upstream
makeServerCall(map);
google.maps.LatLng.prototype.destinationPoint = function(brng, dist) {
dist = dist / 6371;
brng = brng.toRad();
var lat1 = this.lat().toRad(), lon1 = this.lng().toRad();
var lat2 = Math.asin(Math.sin(lat1) * Math.cos(dist) +
Math.cos(lat1) * Math.sin(dist) * Math.cos(brng));
var lon2 = lon1 + Math.atan2(Math.sin(brng) * Math.sin(dist) *
Math.cos(lat1),
Math.cos(dist) - Math.sin(lat1) *
Math.sin(lat2));
if (isNaN(lat2) || isNaN(lon2)) return null;
return new google.maps.LatLng(lat2.toDeg(), lon2.toDeg());
}
=======
var g = [
'rgba(0, 255, 255, 0)',
'rgba(0, 255, 255, 1)',
'rgba(0, 191, 255, 1)',
'rgba(0, 127, 255, 1)',
'rgba(0, 63, 255, 1)',
'rgba(0, 0, 255, 1)',
'rgba(0, 0, 223, 1)',
'rgba(0, 0, 191, 1)',
'rgba(0, 0, 159, 1)',
'rgba(0, 0, 127, 1)',
'rgba(63, 0, 91, 1)',
'rgba(127, 0, 63, 1)',
'rgba(191, 0, 31, 1)',
'rgba(255, 0, 0, 1)'
]
heatmap = new google.maps.visualization.HeatmapLayer({
data: getPoints(),
map: map,
gradient: g
});
>>>>>>> Stashed changes
new AutocompleteDirectionsHandler(map);
}
function makeServerCall(map){
xhr = new XMLHttpRequest();
xhr.onreadystatechange = function(){
getPoints(map);
};
var URL = "http://streetsafety1.azurewebsites.net/data/interval_"+cur_hour.toString()+".json";
//xhr.open("GET", "https://api.myjson.com/bins/17q1r9", true);
xhr.open("GET", URL, true);
xhr.send();
}
/**
* @constructor
*/
function AutocompleteDirectionsHandler(map) {
this.map = map;
this.originPlaceId = null;
this.destinationPlaceId = null;
this.travelMode = 'WALKING';
var originInput = document.getElementById('origin-input');
var destinationInput = document.getElementById('destination-input');
var modeSelector = document.getElementById('mode-selector');
this.directionsDisplays = [];
this.directionsService = new google.maps.DirectionsService;
//this.directionsDisplay = new google.maps.DirectionsRenderer;
//this.directionsDisplay.setMap(map);
var originAutocomplete = new google.maps.places.Autocomplete(
originInput, {placeIdOnly: true});
var destinationAutocomplete = new google.maps.places.Autocomplete(
destinationInput, {placeIdOnly: true});
this.setupClickListener('changemode-walking', 'WALKING');
this.setupClickListener('changemode-transit', 'TRANSIT');
this.setupClickListener('changemode-driving', 'DRIVING');
this.setupPlaceChangedListener(originAutocomplete, 'ORIG');
this.setupPlaceChangedListener(destinationAutocomplete, 'DEST');
this.map.controls[google.maps.ControlPosition.TOP_LEFT].push(originInput);
this.map.controls[google.maps.ControlPosition.TOP_LEFT].push(destinationInput);
this.map.controls[google.maps.ControlPosition.TOP_LEFT].push(modeSelector);
}
// Sets a listener on a radio button to change the filter type on Places
// Autocomplete.
AutocompleteDirectionsHandler.prototype.setupClickListener = function(id, mode) {
var radioButton = document.getElementById(id);
var me = this;
radioButton.addEventListener('click', function() {
me.travelMode = mode;
me.route();
});
};
AutocompleteDirectionsHandler.prototype.setupPlaceChangedListener = function(autocomplete, mode) {
var me = this;
autocomplete.bindTo('bounds', this.map);
autocomplete.addListener('place_changed', function() {
var place = autocomplete.getPlace();
if (!place.place_id) {
window.alert("Please select an option from the dropdown list.");
return;
}
if (mode === 'ORIG') {
me.originPlaceId = place.place_id;
} else {
me.destinationPlaceId = place.place_id;
}
me.route();
});
};
AutocompleteDirectionsHandler.prototype.route = function() {
var METERS_TO_MILES = 0.000621371192;
if (!this.originPlaceId || !this.destinationPlaceId) {
return;
}
var me = this;
if(me.directionsDisplays!=null){
for(var i=me.directionsDisplays.length-1;i>=0;i--){
me.directionsDisplays[i].setMap(null);
}
me.directionsDisplays = [];
}
//console.log("IN HERE");
var waypts = [];
this.directionsService.route({
origin: {'placeId': this.originPlaceId},
destination: {'placeId': this.destinationPlaceId},
travelMode: this.travelMode,
provideRouteAlternatives: true,
}, function(response, status) {
if (status === 'OK') {
distances = []
durations = []
safety = []
for (var i=0;i<response.routes.length;i++){
cur_distance = 0
cur_duration = 0
for(var j=0; j<response.routes[i].legs.length; j++){
cur_duration += response.routes[i].legs[j].duration.value;
cur_distance += response.routes[i].legs[j].distance.value;
}
distances.push(cur_distance);
durations.push(cur_duration);
cur_score = 0;
for (var j = 0; j < response.routes[i].overview_path.length; j++){
//Set markers
/*var marker = new google.maps.Marker(
{
position: response.routes[i].overview_path[j],
title: "foo"
});
marker.setMap(me.map);
*/
cur_score += getSafetyScore(response.routes[i].overview_path[j]);
}
safety.push(cur_score);
}
//Find the index corresponding to the fastest arrival and the safest
var fastest_index = 0;
var value = durations[0];
for (var i = 1; i < durations.length; i++) {
if (durations[i] < value) {
value = durations[i];
fastest_index = i;
}
}
var safest_index = 0;
value = safety[0];
for (var i = 1; i < safety.length; i++) {
if (safety[i] < value) {
value = safety[i];
safest_index = i;
}
}
document.getElementById('distance_fastest').innerHTML = "Fastest Path Distance: " + (Math.round(distances[fastest_index] * METERS_TO_MILES *10)/10) + " miles";
document.getElementById('duration_fastest').innerHTML = "Fastest Path Duration: " + Math.round((durations[fastest_index]/(60*60))*100)/100 + " hours";
//Plot the fastest here
var directionsDisplay = new google.maps.DirectionsRenderer({
map: me.map,
directions: response,
routeIndex: i,
polylineOptions: {
strokeColor: "red"
}
});
me.directionsDisplays.push(directionsDisplay);
//Tinker with the safest here
var safeResponse = response;
var safeIndex = safest_index;
var legs = safeResponse.routes[safeIndex].legs;
for (var i=0;i<legs.length;i++) {
/*
if (i == 0) {
startLocation.latlng = legs[i].start_location;
startLocation.address = legs[i].start_address;
// marker = google.maps.Marker({map:map,position: startLocation.latlng});
marker = createMarker(legs[i].start_location,"start",legs[i].start_address,"green");
}
endLocation.latlng = legs[i].end_location;
endLocation.address = legs[i].end_address;*/
var steps = legs[i].steps;
for (var j=0;j<steps.length;j++) {
var nextSegment = steps[j].path;
for (var k=0;k<nextSegment.length;k++) {
//console.log(nextSegment[k]);
var score = getSafetyScore(nextSegment[k]);
//console.log(score);
/*var marker = new google.maps.Marker(
{
position: nextSegment[k],
title: "foo"
});
marker.setMap(this.map);*/
if(score>=0.5){
var point = nextSegment[k];
// var marker = new google.maps.Marker(
// {
// position: point,
// title: "foo"
// });
// marker.setMap(this.map);
var pointNorth, pointSount, pointEast, pointWest;
pointNorth = point.destinationPoint(90, .200)
pointSouth = point.destinationPoint(270, .200)
pointEast = point.destinationPoint(0, .200)
pointWest = point.destinationPoint(180, .200)
var scoreNorth, scoreSouth, scoreEast, scoreWest;
scoreNorth = getSafetyScore(pointNorth);
scoreSouth = getSafetyScore(pointSouth);
scoreEast = getSafetyScore(pointEast);
scoreWest = getSafetyScore(pointWest);
if(scoreNorth<scoreSouth && scoreNorth<scoreEast && scoreNorth<scoreWest){
// Create waypoints
if(waypts.length<20){
waypts.push({
location: pointNorth,
stopover: true
});
}
}
else if(scoreSouth<scoreNorth && scoreSouth<scoreWest && scoreSouth<scoreEast){
// Create waypoints
if(waypts.length<20){
waypts.push({
location: pointSouth,
stopover: true
});
}
}
else if(scoreEast<scoreNorth && scoreEast<scoreWest && scoreEast<scoreSouth){
// Create waypoints
if(waypts.length<20){
waypts.push({
location: pointEast,
stopover: true
});
}
}
else{
if(waypts.length<20){
waypts.push({
location: pointWest,
stopover: true
});
}
}
}
}
}
/*
//Set markers
var marker = new google.maps.Marker(
{
position: pointNorth,
title: "foo"
});
marker.setMap(me.map);
console.log(waypts);*/
}
} else {
window.alert('Directions request failed due to ' + status);
}
calculateSafest(me, waypts);
});
}
function calculateSafest(mine, waypts){
var METERS_TO_MILES = 0.000621371192;
mine.directionsService.route({
origin: {'placeId': mine.originPlaceId},
destination: {'placeId': mine.destinationPlaceId},
travelMode: mine.travelMode,
waypoints: waypts,
optimizeWaypoints: true
}, function(response, status) {
if (status === 'OK') {
//Plot the safest here
console.log(waypts);
var cur_distance = 0;
var cur_duration = 0;
for(var j=0; j<response.routes[0].legs.length; j++){
cur_duration += response.routes[0].legs[j].duration.value;
cur_distance += response.routes[0].legs[j].distance.value;
}
document.getElementById('distance_safest').innerHTML = "Safest Path Distance: " + (Math.round(cur_distance * METERS_TO_MILES * 10) /10) + " miles";
document.getElementById('duration_safest').innerHTML = "Safest Path Duration: " + Math.round((cur_duration/(60*60))*100)/100 + " hours";
var directionsDisplay = new google.maps.DirectionsRenderer({
map: mine.map,
directions: response,
routeIndex: 0,
polylineOptions: {
strokeColor: "green"
}
});
mine.directionsDisplays.push(directionsDisplay);
}
});
}
//calculates distance between two points in km's
function calcDistance(p1, p2) {
return (google.maps.geometry.spherical.computeDistanceBetween(p1, p2)).toFixed(2);
}
//calculates the safety score, a crime points adds to a safety point if it is within 100m
function getSafetyScore(p1){
var score = 0;
var count = 0;
for(var i=0;i<crime_positions.length;i++){
var dist = calcDistance(p1, crime_positions[i]);
//console.log(dist);
if(dist<300){
count += 1;
score = score + (1 - dist/300);
}
}
if(count!=0)
score = score/count;
//console.log(score);
return score;
}
/*
function toggleHeatmap() {
heatmap.setMap(heatmap.getMap() ? null : map);
}*/
function changeGradient() {
var gradient = [
'rgba(255, 255, 0, 0)',
'rgba(255, 255, 0, 1)',
'rgba(255, 191, 0, 1)',
'rgba(255, 127, 0, 1)',
'rgba(255, 255, 0, 1)',
'rgba(255, 255, 0, 1)',
'rgba(255, 191, 0, 1)',
'rgba(255, 127, 0, 1)',
'rgba(255, 255, 0, 0)',
'rgba(255, 255, 0, 1)',
'rgba(255, 191, 0, 1)',
'rgba(255, 127, 0, 1)',
'rgba(255, 63, 0, 1)',
]
heatmap.set('gradient', heatmap.get('gradient') ? null : gradient);
}
/*
function changeRadius() {
heatmap.set('radius', heatmap.get('radius') ? null : 20);
}
function changeOpacity() {
heatmap.set('opacity', heatmap.get('opacity') ? null : 0.2);
}
*/
Number.prototype.toRad = function() {
return this * Math.PI / 180;
}
Number.prototype.toDeg = function() {
return this * 180 / Math.PI;
}
<<<<<<< Updated upstream
=======
google.maps.LatLng.prototype.destinationPoint = function(brng, dist) {
dist = dist / 6371;
brng = brng.toRad();
var lat1 = this.lat().toRad();
var lon1 = this.lng().toRad();
var lat2 = Math.asin(Math.sin(lat1) * Math.cos(dist) +
Math.cos(lat1) * Math.sin(dist) * Math.cos(brng));
var lon2 = lon1 + Math.atan2(Math.sin(brng) * Math.sin(dist) *
Math.cos(lat1),
Math.cos(dist) - Math.sin(lat1) *
Math.sin(lat2));
if (isNaN(lat2) || isNaN(lon2)) return null;
return new google.maps.LatLng(lat2.toDeg(), lon2.toDeg());
}
//Get hour of the day for getting the relevant heatmap
var cur_hour = new Date().getHours();
/*
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = getPoints;
xhr.open("GET", "https://github.com/kediamanav/StreetDetour/blob/master/data/interval_5.txt", true);
xhr.send();
*/
>>>>>>> Stashed changes
// Heatmap data: 500 Points
function getPoints(map) {
result = [];
if (xhr.readyState == 4) {
var resp = xhr.responseText;
text_file = resp;
text_file = JSON.parse(text_file);
for(var i=0;i<text_file.length;i++){
result.push(new google.maps.LatLng(text_file[i]["lat"], text_file[i]["long"]));
}
var g = [
'rgba(255, 0, 0, 1)',
'rgba(255, 20, 0, 1)',
'rgba(255, 40, 0, 1)',
'rgba(255, 60, 0, 1)',
'rgba(255, 80, 0, 1)',
'rgba(255, 90, 0, 1)',
'rgba(255, 110, 0, 1)',
'rgba(255, 139, 0, 1)',
'rgba(255, 193, 0, 1)',
];
if(heatmap!=undefined)
heatmap.setMap(null);
heatmap = new google.maps.visualization.HeatmapLayer({
data: result,
map: map,
//gradient: g,
});
changeGradient();
crime_positions = result
}
}