Révision 405ba17b
Ajouté par Jocelyn Delande il y a environ 11 ans
class/site_point.class.php | ||
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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(); |
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26 |
} |
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27 |
|
|
28 |
private function params_path() { |
|
29 |
return $this->base_dir.'/'.$this->prefix.'.params'; |
|
30 |
} |
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31 |
|
|
32 |
private function parse_and_store_params() { |
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33 |
if (is_file($this->params_path())) { |
|
34 |
$this->params = @parse_ini_file($this->params_path()); |
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28 | 35 |
} |
29 | 36 |
} |
30 | 37 |
|
31 | 38 |
public function get_params() { |
32 |
return $this->params; |
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39 |
// the params are cached |
|
40 |
if (isset($this->params)) { |
|
41 |
return $this->params; |
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42 |
} else { |
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43 |
return parse_and_store_params(); |
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44 |
} |
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33 | 45 |
} |
34 | 46 |
|
35 | 47 |
public function get_name() { |
... | ... | |
60 | 72 |
} |
61 | 73 |
|
62 | 74 |
public function coordsToCap($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; |
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64 | 77 |
$rt = 6371; // Rayon de la terre |
65 |
$alt1 = isset($this->params['altitude']) ? $this->params['altitude'] : $alt;
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|
66 |
$lat1 = $this->params['latitude']*M_PI/180;
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67 |
$lon1 = $this->params['longitude']*M_PI/180;
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|
78 |
$alt1 = isset($params['altitude']) ? $params['altitude'] : $alt;
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|
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, $dLat);
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|
97 |
// printf("%s, %s, %s, %s\n",$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 |
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Formats disponibles : Unified diff
handle a params cache