-
Notifications
You must be signed in to change notification settings - Fork 0
/
MGeo.php
230 lines (215 loc) · 5.9 KB
/
MGeo.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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
<?php
/**
* M PHP Framework
*
* @package M
* @subpackage MGeo
* @author Arnaud Sellenet <demental at github>
* @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License
* @version 0.1
*/
define('PI',3.1415926536);
/**
*
* Helper class to work with google maps geocoding API
* Also provides helper methods for satellite settings (azimut - elevation - polarity)
*
*/
class MGeo
{
/**
*
* Address
*
* @var string
* @access public
*/
public $address;
/**
*
* Google maps key
*
* @var string
* @access public
*/
public $key;
/**
*
* Constructor
*
* @param $key string Google maps key
*/
public function __construct($key = null)
{
if(is_null($key)) {
$this->key = Config::getPref('gmap_key');
} else {
$this->key = $key;
}
}
/**
*
* Address validation
*
* @param $address string Input address
*/
public function setAddress($address)
{
/* foreach(array('street','city','zipcode','country') as $k) {
if(!key_exists($k,$address)) {
throw new Exception('Bad address format for Geo object');
}
}*/
$this->address = $address;
}
/**
*
* Set debug var
*
* @param $bool boolean Debug state
*/
public function setDebug($bool)
{
$this->_debug=$bool;
}
/**
*
* Display debug
*
* @param $str string Debug string
*/
public function debug($str)
{
echo $str.'<br />';
}
/**
*
* Set string to var
*
* @param $str string String to set
*/
public function setString($str)
{
$this->q = $str;
}
/**
*
* Set Latitude & Longitude
*
* @param $lat string Latitude
* @param $long string Longitude
*/
public function setLatLong($lat,$long)
{
$this->lat = $lat;
$this->long = $long;
}
/**
*
* Get Latitude & Longitude
*
* @return array Latitude & Longitude
*/
public function getLatLong()
{
if(empty($this->q)) {
$this->q = (trim($this->address['street'])?$this->address['street'].', ':'').$this->address['city'].', '.$this->address['zipcode'].', '.$this->address['country'];
}
if($this->_debug) {
$this->debug('fetching : '.$this->q);
}
$url = "https://maps.google.com/maps/api/geocode/json?address=".urlencode($this->q)."&sensor=false";
if($this->_debug) {
$this->debug('url : '.$url);
}
$coords = json_decode(file_get_contents($url));
if($this->_debug) {
$this->debug('result : '.$coords);
}
$result = $coords->results[0]->geometry->location;
$lat = $result->lat;
$long = $result->lng;
return array($lat,$long);
}
/**
*
* Azimut Elevation Polarite
*
* @param $satlong float Sat degree
* @return array Azimut Elevation Polarite
*/
public function getAEP($satlong = 13)
{
$rayon=6378000;
$sat_alt=35786000;
$this->azimut = $this->calculAzimut($satlong,$this->lat,$this->long);//180+180*atan(-1*tan(PI*($po-$long)/180)/sin(PI*$lat/180))/PI;
$el=acos(cos(PI/180*($this->long-$satlong))*cos(PI/180*abs($this->lat)));
$this->elevation=180*atan((cos($el)-($rayon/($rayon+$sat_alt)))/sin($el))/PI;
$longdiffr=(13-$this->long)/57.29578;
$eslatr=$this->lat/57.29578;
$tilt=-57.29578*atan(sin($longdiffr)/tan($eslatr));
$this->polarite=$tilt;
return array($this->azimut,$this->elevation,$this->polarite);
}
/**
*
* Azimut calculation
*
* @param $satlong string Longitude Satellite
* @param $eslat string Latitude
* @param $eslong string Longitude
* @return string Azimut
*/
private function calculAzimut($satlong,$eslat,$eslong)
{
$longdiffr=($eslong-$satlong)/57.29578;
$esazimuth=180+57.29578*atan(tan($longdiffr)/sin(($eslat/57.29578)));
if ($eslat<0) $esazimuth=$esazimuth-180;
if ($esazimuth<0) $esazimuth=$esazimuth+360.0;
//magnetic field model
//table below updated 17 Apr 2006, centered on 17 April 2007, needs updating in Apr 2008 to keep errors under 0.2 deg
$dev[0]=4.58; $dev[1]=7.21; $dev[2]=9.58; $dev[3]=16.48; $dev[4]=46.03;
$dev[5]=19.52; $dev[6]=12.2; $dev[7]=9.28; $dev[8]=17.25; $dev[9]=42.62;
$dev[10]=21.9; $dev[11]=12.42; $dev[12]=9.13; $dev[13]=16.83; $dev[14]=38.92;
$dev[15]=-8.28; $dev[16]=0.33; $dev[17]=4.61; $dev[18]=13.92; $dev[19]=28.95;
$dev[20]=-28.45; $dev[21]=-16.08; $dev[22]=-14.6; $dev[23]=-8.15; $dev[24]=10.55;
$dev[25]=-18.72; $dev[26]=-11.45; $dev[27]=-18.7; $dev[28]=-24.13; $dev[29]=-5.7;
$dev[30]=-3.5; $dev[31]=-0.98; $dev[32]=-6.43; $dev[33]=-23.5; $dev[34]=-19.32;
$dev[35]=9.12; $dev[36]=3.32; $dev[37]=0.63; $dev[38]=-23.92; $dev[39]=-39.95;
$dev[40]=16.42; $dev[41]=2.18; $dev[42]=-4.15; $dev[43]=-32.12; $dev[44]=-60.65;
$dev[45]=7.9; $dev[46]=0.02; $dev[47]=-2.48; $dev[48]=-18.33; $dev[49]=-73.8;
$dev[50]=-12.8; $dev[51]=-4.8; $dev[52]=1.08; $dev[53]=-0.77; $dev[54]=-62.3;
$dev[55]=-11.35; $dev[56]=-2.65; $dev[57]=5.5; $dev[58]=11; $dev[59]=39.35;
$dev[60]=4.58; $dev[61]=7.21; $dev[62]=9.58; $dev[63]=16.48; $dev[64]=46.03;
$latit=1.0*$eslat;
$longi=1.0*$eslong;
if ($latit==60.0) $latit=59.99999;
if ($latit >59.999999) return $esazimuth+1000;
if ($latit <-60) return $esazimuth+1000;
if ($longi==180.0) $longi=179.99999;
if ($longi>179.999999) $longi=$longi-360;
if ($longi<-180) $longi=$longi+360;
$a = round(((1.0*$longi + 180)/30)-0.5);
$b = 3- round(((1.0*$latit + 60)/30)-0.5);
$c=$a * 5 + $b;
//calculate left proportion up to 30.
if ($latit>=30) $pl=$latit-30;
else
if($latit>=0) $pl=$latit;
else
if ($latit>=-30) $pl=30+$latit;
else
$pl = 60+$latit;
//calculate hoziz proportion up to 30.
$pr=$longi +180 - $a*30;
//return pr; ok to here
$u1=$dev[$c+1]+($dev[$c]-$dev[$c+1])*$pl/30;
$u2=$dev[$c+6]+($dev[$c+5]-$dev[$c+6])*$pl/30;
$um=$u1+($u2-$u1)*$pr/30;
//return um;
$esazimuthm=$esazimuth-$um;
if ($esazimuthm<-180) $esazimuthm=$esazimuthm+360;
if ($esazimuthm>360) $esazimuthm=$esazimuthm-360.0;
return $esazimuthm;
}
}