Révision 405ba17b
Ajouté par Jocelyn Delande il y a presque 11 ans
| class/site_point.class.php | ||
|---|---|---|
| 22 | 22 |
} |
| 23 | 23 |
closedir($dir_fd); |
| 24 | 24 |
if ($this->prefix === false) return false; |
| 25 |
$pfname = $this->base_dir.'/'.$this->prefix.'.params'; |
|
| 26 |
if (is_file($pfname)) {
|
|
| 27 |
$this->params = @parse_ini_file($pfname); |
|
| 25 |
$this->parse_and_store_params(); |
|
| 26 |
} |
|
| 27 |
|
|
| 28 |
private function params_path() {
|
|
| 29 |
return $this->base_dir.'/'.$this->prefix.'.params'; |
|
| 30 |
} |
|
| 31 |
|
|
| 32 |
private function parse_and_store_params() {
|
|
| 33 |
if (is_file($this->params_path())) {
|
|
| 34 |
$this->params = @parse_ini_file($this->params_path()); |
|
| 28 | 35 |
} |
| 29 | 36 |
} |
| 30 | 37 |
|
| 31 | 38 |
public function get_params() {
|
| 32 |
return $this->params; |
|
| 39 |
// the params are cached |
|
| 40 |
if (isset($this->params)) {
|
|
| 41 |
return $this->params; |
|
| 42 |
} else {
|
|
| 43 |
return parse_and_store_params(); |
|
| 44 |
} |
|
| 33 | 45 |
} |
| 34 | 46 |
|
| 35 | 47 |
public function get_name() {
|
| ... | ... | |
| 60 | 72 |
} |
| 61 | 73 |
|
| 62 | 74 |
public function coordsToCap($lat, $lon, $alt) {
|
| 63 |
if (!isset($this->params['latitude']) || !isset($this->params['longitude'])) return false; |
|
| 75 |
$params = $this->get_params(); |
|
| 76 |
if (!isset($params['latitude']) || !isset($params['longitude'])) return false; |
|
| 64 | 77 |
$rt = 6371; // Rayon de la terre |
| 65 |
$alt1 = isset($this->params['altitude']) ? $this->params['altitude'] : $alt;
|
|
| 66 |
$lat1 = $this->params['latitude']*M_PI/180;
|
|
| 67 |
$lon1 = $this->params['longitude']*M_PI/180;
|
|
| 78 |
$alt1 = isset($params['altitude']) ? $params['altitude'] : $alt;
|
|
| 79 |
$lat1 = $params['latitude']*M_PI/180; |
|
| 80 |
$lon1 = $params['longitude']*M_PI/180; |
|
| 68 | 81 |
$alt2 = $alt; |
| 69 | 82 |
$lat2 = $lat * M_PI/180; |
| 70 | 83 |
$lon2 = $lon * M_PI/180; |
| ... | ... | |
| 81 | 94 |
$cap = atan2($y, $x); // cap pour atteindre le point en radians |
| 82 | 95 |
|
| 83 | 96 |
$e = atan2(($alt2 - $alt1)/1000 - $d*$d/(2*$rt), $d); // angle de l'élévation en radians |
| 84 |
// printf("%s, %s, %s, %s\n",$lat1, $this->params['latitude'], $lat, $dLat);
|
|
| 97 |
// printf("%s, %s, %s, %s\n",$lat1, $params['latitude'], $lat, $dLat);
|
|
| 85 | 98 |
return array($d, $cap*180/M_PI, $e*180/M_PI); // les résultats sont en degrés |
| 86 | 99 |
} |
| 87 | 100 |
|
Formats disponibles : Unified diff
handle a params cache