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route.html
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route.html
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<!DOCTYPE html>
<html>
<head>
<title>Route</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<style>
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map {
height: 100%;
z-index: 0;
}
</style>
<!--<script type="text/javascript" src="resources/json/coordinates.json"></script>
<script type="text/javascript" src="resources/json/hospitals.json"></script>
<script src="resources/json/road_coordinates3.json"></script>-->
<script type="text/javascript" src="resources/json/coordinates.js"></script>
<script type="text/javascript" src="resources/json/hospitals.js"></script>
<script src="resources/json/road_coordinates.js"></script>
<script src="resources/js/jquery-3.0.0.min.js"></script>
<script src="resources/bootstrap/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="resources/bootstrap/css/bootstrap.min.css">
<link rel="stylesheet" href="resources/css/main.css">
<script src="resources/js/dijkstra.js"></script>
<script src="resources/js/jquery-3.0.0.min.js"></script>
<script src="resources/js/xmlparser.js"></script>
<link rel="shortcut icon" href="resources/images/favicon.ico" type="image/x-icon">
</head>
<body>
<!-- <nav class="navbar navbar-inverse" id="navbar">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">iAmbulansiya</a>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav">
<li class="active"><a href="map.html">Home</a></li>
<li><a href="hospital.html">Hospital</a></li>
<li><a href="history.html">History</a></li>
<li><a href="abouts.html">About</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<div id="warnings-panel"></div>
</ul>
</div>
</div>
</nav>-->
<div id="map"></div>
<script>
var road_coord = road;
var path_data;
var start_location;
var finish_location;
var tree;
function getDistance(x1,x2,y1,y2){
return Math.sqrt( Math.pow((x1-x2), 2) + Math.pow((y1-y2), 2) );
}
function initRoute(){
tree = [];
var node_id = 0;
for(var i = 0; i< road_coord.length; i++){
for(var j=0; j<road_coord[i].coordinates.length; j++){
var vertex = [];
if(j<road_coord[i].coordinates.length-1){
var distance = getDistance(
road_coord[i].coordinates[j].lat,road_coord[i].coordinates[j+1].lat,
road_coord[i].coordinates[j].lng,road_coord[i].coordinates[j+1].lng,
);
vertex.push({
node: node_id+1,
distance: distance
});
}
if(j>0){
var distance = getDistance(
road_coord[i].coordinates[j].lat,road_coord[i].coordinates[j-1].lat,
road_coord[i].coordinates[j].lng,road_coord[i].coordinates[j-1].lng,
);
vertex.push({
node: tree[tree.length-1].node_id,
distance: distance
});
}
var node = {
node_id: node_id,
name: road_coord[i].name,
coordinates: road_coord[i].coordinates[j],
vertex:vertex
}
tree.push(node);
node_id++;
}
}
//console.log("road structure %o",tree);
var tree_temp = tree;
var added = [];
for(var i = 0; i<tree.length;i++){
for(var j = 0; j<tree_temp.length;j++){
if(i!=j){
if(tree[i].coordinates.lat == tree_temp[j].coordinates.lat
&&tree[i].coordinates.lng == tree_temp[j].coordinates.lng){
//console.log("match: "+i+" vs "+j);
if(!added.includes(j)){
for(var k = 0;k<tree_temp[j].vertex.length;k++){
if(!tree[i].vertex.includes(tree_temp[j].vertex[k])){
tree[i].vertex.push(tree_temp[j].vertex[k]);
}
}
added.push(j);
}
}
}
}
}
//console.log(""+JSON.stringify(tree));
//dijkstra
var g = new Graph();
for(var i = 0; i<tree.length;i++){
var vertex = {};
for(var j = 0; j<tree[i].vertex.length; j++){
vertex[""+tree[i].vertex[j].node] = tree[i].vertex[j].distance;
}
//console.log(tree[i].node_id+", %o",vertex);
g.addVertex(tree[i].node_id+"",vertex);
}
var url_data = window.location.href.split('route.html?').pop();
url_data = url_data.split("%20").join('');
url_data = url_data.split("%22").join('"');
var hospital = url_data.split("**")[0];
var emergency = url_data.split("**")[1];
/*hospital = hospital.split("%20").join('');
hospital = hospital.split("%22").join('"');*/
console.log("hospital: "+hospital);
console.log("emergency: "+emergency);
hospital = JSON.parse(hospital);
emergency = JSON.parse(emergency);
//var hospital = JSON.parse(localStorage.getItem("Hospital"));
//var emergency = JSON.parse(localStorage.getItem("Emergency"));
hospital = {
lat:hospital.location.lat,
lng:hospital.location.long
}
start_location = hospital;
finish_location = emergency;
var hospital_loc = getNearest(hospital,tree);
var emergency_loc = getNearest(emergency,tree);
console.log("nearest hospital: %o",tree[hospital_loc]);
console.log("nearest emergency: %o",tree[emergency_loc]);
var start = tree[hospital_loc].node_id;
var finish = tree[emergency_loc].node_id;
var path = g.shortestPath(start+'', finish+'').concat([start+'']).reverse();
//console.log("path %o",path);
path_data = [];
for(var i = 0; i<path.length; i++){
for(var j = 0; j<tree.length;j++){
if(tree[j].node_id == Number.parseInt(path[i])){
//console.log("index: %o",tree[j]);
path_data.push(tree[j]);
}
}
}
var path_distance = 0;
for(var i = 0; i<path_data.length-1;i++){
path_distance += Number.parseFloat(getdistance(
path_data[i].coordinates.lat,path_data[i+1].coordinates.lat,
path_data[i].coordinates.lng,path_data[i+1].coordinates.lng
));
console.log(path_distance);
}
console.log("total distance: "+path_distance);
}
function getdistance(lat1, lat2, lon1, lon2) {
var p = 0.017453292519943295; // Math.PI / 180
var c = Math.cos;
var a = 0.5 - c((lat2 - lat1) * p)/2 +
c(lat1 * p) * c(lat2 * p) *
(1 - c((lon2 - lon1) * p))/2;
return 12742 * Math.asin(Math.sqrt(a)); // 2 * R; R = 6371 km
}
function getNearest(unit,tree){
var min = 100;
var winner = null;
for(var i = 0; i<tree.length; i++){
//var distance = getDistance(unit.lat,tree[i].coordinates.lat,unit.lng,tree[i].coordinates.lng);
var distance = getdistance(unit.lat,tree[i].coordinates.lat,unit.lng,tree[i].coordinates.lng);
if(distance<min){
winner = i;
/*console.log(unit.lat+" vs "+tree[i].coordinates.lat+" vs "+unit.lng+tree[i].coordinates.lng+" distance: "+distance+ "winner: "+i);*/
min = distance;
}
}
return winner;
}
initRoute();
</script>
<script>
var map;
var infowindow;
var directionsService;
var emergency_marker = [];
var hostpital_list = hospital_data;
function initMap() {
map = new google.maps.Map(document.getElementById('map'), {
zoom: 15,
disableDefaultUI: true,
styles: [
{
featureType: 'all',
stylers: [
{ saturation: -80 }
]
},{
featureType: 'road.arterial',
elementType: 'geometry',
stylers: [
{ hue: '#00ffee' },
{ saturation: 50 }
]
},{
featureType: 'poi.business',
elementType: 'labels',
stylers: [
{ visibility: 'off' }
]
}
]
});
/*var trafficLayer = new google.maps.TrafficLayer();
trafficLayer.setMap(map);*/
var bounds = new google.maps.LatLngBounds();
var infoWindow = new google.maps.InfoWindow(), marker, i;
/*for( i = 0; i < tree.length; i++ ) {
var position = new google.maps.LatLng( tree[i].coordinates.lat,tree[i].coordinates.lng);
bounds.extend(position);
marker = new google.maps.Marker({
position: position,
map: map,
title: tree[i].node_id+". "+tree[i].name+" position " + tree[i].coordinates.lat +" , "+tree[i].coordinates.lng,
icon: 'resources/images/border-dot-point-25.png'
});
map.fitBounds(bounds);
}*/
for( i = 0; i < path_data.length; i++ ) {
var position = new google.maps.LatLng( path_data[i].coordinates.lat,path_data[i].coordinates.lng);
bounds.extend(position);
marker = new google.maps.Marker({
position: position,
map: map,
title: (i+1)+". "+" node_id: "+path_data[i].node_id+" "+path_data[i].name+" position " + path_data[i].coordinates.lat +" , "+path_data[i].coordinates.lng,
icon: 'resources/images/ambulance_24.png'
});
map.fitBounds(bounds);
}
var start_position = new google.maps.LatLng(start_location.lat ,start_location.lng);
bounds.extend(start_position);
marker = new google.maps.Marker({
position: start_position,
map: map,
title: "hospital",
icon: 'resources/images/hospital_32.png'
});
map.fitBounds(bounds);
var end_position = new google.maps.LatLng( finish_location.lat,finish_location.lng);
bounds.extend(end_position);
marker = new google.maps.Marker({
position: end_position,
map: map,
title: "emergency!!",
icon: 'resources/images/emergency_32.png'
});
map.fitBounds(bounds);
var listener = google.maps.event.addListener(map, "idle", function () {
map.setZoom(16);
google.maps.event.removeListener(listener);
});
//initEmergencyMarkers();
var lineSymbol = {
path: 'M 0,-1 0,1',
strokeOpacity: 1,
scale: 4
};
var border = new google.maps.Polyline({
path: coords,
strokeOpacity: 0,
icons: [{
icon: lineSymbol,
offset: '0',
repeat: '20px'
}],
map: map
});
var path_line_coordinates = [];
path_line_coordinates.push(start_location);
for(var i = 0; i<path_data.length; i++){
path_line_coordinates.push(path_data[i].coordinates);
}
path_line_coordinates.push(finish_location);
var lineSymbol = {
path: 'M 0,-1 0,1',
strokeOpacity: 1,
scale: 4
};
var path_line = new google.maps.Polyline({
path: path_line_coordinates,
geodesic: true,
strokeColor: '#97C562',
strokeOpacity: 1.0,
strokeWeight: 2,
map: map
});
//marikinaBorder.setMap(map);
}
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBymq4YRMhZoMwnPUd2SfyzQQLEvUtafkM&libraries=places&callback=initMap"
async defer></script>
</body>
</html>