-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmclust1.php
executable file
·197 lines (164 loc) · 4.5 KB
/
mclust1.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
<?
mysql_connect("localhost","pool","pool") or die(mysql_error());
mysql_select_db("pool") or die(mysql_error());
$date=date("Y-m-d",strtotime('tomorrow'));
//$date=date("Y-m-d");
$g_count=0;
$t_count=0;
$getmid=mysql_query("Select b.mid,b.pid,l.longitude,l.latitude,p.capacity from belongs_to b,pool p,location l where l.mid=b.mid and b.pid=p.pid and p.date='$date'");
while($row=mysql_fetch_array($getmid))
{
if($row['capacity']>0)
{
$giver[$g_count]['mid']=$row['mid'];
$giver[$g_count]['pid']=$row['pid'];
$giver[$g_count]['capacity']=$row['capacity'];
$giver[$g_count]['latitude']=$row['latitude'];
$giver[$g_count]['longitude']=$row['longitude'];
$giver[$g_count++]['takers']=Array();
}
else if($row['capacity']==-1)
{
$taker[$t_count]['mid']=$row['mid'];
$taker[$t_count]['pid']=$row['pid'];
$taker[$t_count]['latitude']=$row['latitude'];
$taker[$t_count]['longitude']=$row['longitude'];
$taker[$t_count++]['pooled']=0;
}
}
?>
<html>
<head>
<script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript" >
</script>
<script type="text/javascript">
var jgiver= <? echo json_encode($giver);?>;
var jtaker=<? echo json_encode($taker);?>;
var map;
var routedisplay=new google.maps.DirectionsRenderer();
var directionsService=new google.maps.DirectionsService();
var total;
var distances=[];
var count=0;
function initialize()
{
var i=0;
var j=0;
var center=new google.maps.LatLng(12.935442,77.534949);
var options={zoom:10,
center:center,
mapTypeId:google.maps.MapTypeId.ROADMAP,
};
var map=new google.maps.Map(document.getElementById('map'),options);
routedisplay.setMap(map);
var giverloc;
var takerloc;
for(i=0;i<jgiver.length;i++)
{
for(j=0;j<jtaker.length;j++)
{
giverloc=new google.maps.LatLng(jgiver[i].latitude,jgiver[i].longitude);
takerloc=new google.maps.LatLng(jtaker[j].latitude,jtaker[j].longitude);
calculate(giverloc,takerloc,i,j);
}
}
}
function calculate(giverloc,takerloc,i,j)
{
total=0;
var request={
origin:giverloc,
destination:takerloc,
travelMode:google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request,function(result,status)
{
if(status==google.maps.DirectionsStatus.OK)
{
var route=result.routes[0];
for(var k=0;k<route.legs.length;k++)
total+=route.legs[k].distance.value;
routedisplay.setDirections(result);
total=(total/1000);
distances[count++]={
givermid:jgiver[i].mid,
takermid:jtaker[j].mid,
distance:total.toFixed(6),
done:0
}
if(i==jgiver.length-1 && j==jtaker.length-1)
mclust(distances);
}
}
);
}
function mclust(distances)
{
var i;
var j=0;
var k=0;
var object={};
var mindist;
for(i=0;i<distances.length;i++)
{
mindist=findmin(distances);
if(mindist.distance>1.5)
continue;
j=0;
while(jgiver[j].mid!=mindist.givermid)
j++;
if(jgiver[j].capacity==0)
continue;
else
{
k=0;
while(jtaker[k].mid!=mindist.takermid)
k++;
if(jtaker[k].pooled==1)
continue;
else
{
jgiver[j].capacity-=1;
jtaker[k].pooled=1;
object={
mid:jtaker[k].mid,
pid:jtaker[k].pid,//no need to search for pid again when meddling with the database.
distance:mindist.distance//choosing speed over redundancy.
}
jgiver[j].takers.push(object);
}
}
}
var string=JSON.stringify(jgiver);
alert(string);
document.getElementById('json').value=string;
document.pool.submit();
}
function findmin(distances)
{
var i;
var j;
var min=999;
var mindist;
for(i=0;i<distances.length;i++)
{
if(distances[i].distance<min && distances[i].done==0)
{
min=distances[i].distance;
j=i;
}
}
distances[j].done=1;
mindist=distances[j];
return mindist;
}
</script>
</head>
<body onload="initialize()">
<form id="pool" name="pool" method="post" action="mclust2.php">
<input type="hidden" name="json" id="json" value="">
<input type="submit" name="mclust" value="Run mclust" style="height:5%; width:10%;">
</form>
<div name="map" id="map" align="right" style=" position:absolute; left:0px; height:1000px; width:1000px"> </div>
</body>
</html>