| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace kalanis\kw_coordinates\Codecs; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use kalanis\kw_coordinates\Interfaces; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use kalanis\kw_coordinates\Support; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * Class Sjtsk1 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @package kalanis\kw_coordinates\Codecs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @link https://blog.drndos.sk/2013/03/how-to-convert-s-jtsk-coordinates-to-wsg84/ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @link https://www.pecina.cz/krovak.html | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * SJTSKtoWSG84.java Filip Bednárik <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * package sk.datalan.semweb.czechpediacrawler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * toWgs is port from java class | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * fromWgs is port from JavaScript code | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * Do not ask me how both works...; but used, tested and works | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | class Sjtsk1 implements Interfaces\ICodecs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     const FG_SHIFT = 17.66666666666666; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     const dX_SHIFT = 589; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     const dY_SHIFT = 76; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     const dZ_SHIFT = 480; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     protected Interfaces\INumbers $pos; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     protected Interfaces\IFormatted $out; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 4 |  |     public function __construct(?Interfaces\INumbers $position = null, ?Interfaces\IFormatted $output = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 | 4 |  |         $this->pos = $position ?: new Support\Position(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 4 |  |         $this->out = $output ?: new Support\JtskObject(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 4 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 2 |  |     public function fromLonLat(Interfaces\INumbers $position, array $params): Interfaces\IFormatted | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 2 |  |         $d2r = pi() / 180; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 | 2 |  |         $a = 6378137.0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 2 |  |         $f1 = 298.257223563; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 2 |  |         $dx = -570.69; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 2 |  |         $dy = -85.69; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 2 |  |         $dz = -462.84; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 2 |  |         $wx = 4.99821 / 3600 * pi() / 180; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 2 |  |         $wy = 1.58676 / 3600 * pi() / 180; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 2 |  |         $wz = 5.2611 / 3600 * pi() / 180; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 2 |  |         $m = -3.543e-6; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 2 |  |         $B = $position->getLatitude() * $d2r; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 2 |  |         $L = $position->getLongitude() * $d2r; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 2 |  |         $H = $position->getAltitude(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 2 |  |         $e2 = 1 - $this->sqr(1 - (1 / $f1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 2 |  |         $rho = $a / sqrt(1 - ($e2 * $this->sqr(sin($B)))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 2 |  |         $x1 = ($rho + $H) * cos($B) * cos($L); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 2 |  |         $y1 = ($rho + $H) * cos($B) * sin($L); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 2 |  |         $z1 = (((1 - $e2) * $rho) + $H) * sin($B); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 2 |  |         $x2 = $dx + (1 + $m) * ($x1 + ($wz * $y1) - ($wy * $z1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 2 |  |         $y2 = $dy + (1 + $m) * (((-$wz) * $x1) + $y1 + ($wx * $z1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 | 2 |  |         $z2 = $dz + (1 + $m) * (($wy * $x1) - ($wx * $y1) + $z1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 2 |  |         $a = 6377397.15508; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 2 |  |         $f1 = 299.152812853; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 | 2 |  |         $ab = $f1 / ($f1 - 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 2 |  |         $p = sqrt($this->sqr($x2) + $this->sqr($y2)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 2 |  |         $e2 = 1 - $this->sqr(1 - (1 / $f1)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 2 |  |         $th = atan(($z2 * $ab) / $p); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 | 2 |  |         $st = sin($th); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 2 |  |         $ct = cos($th); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 2 |  |         $t = ($z2 + ($e2 * $ab * $a * ($st * $st * $st))) / ($p - ($e2 * $a * ($ct * $ct * $ct))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 2 |  |         $B = atan($t); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 2 |  |         $H = sqrt(1 + ($t * $t)) * ($p - ($a / sqrt(1 + ((1 - $e2) * $t * $t)))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 2 |  |         $L = 2 * atan($y2 / ($p + $x2)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 2 |  |         $a = 6377397.15508; | 
                            
                    |  |  |  | 
                                                                                        
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                | 82 | 2 |  |         $e = 0.081696831215303; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 2 |  |         $n = 0.97992470462083; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 2 |  |         $rho0 = 12310230.12797036; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 2 |  |         $sinUQ = 0.863499969506341; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 2 |  |         $cosUQ = 0.504348889819882; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 2 |  |         $sinVQ = 0.420215144586493; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 2 |  |         $cosVQ = 0.907424504992097; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 2 |  |         $alpha = 1.000597498371542; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 2 |  |         $k2 = 1.00685001861538; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 2 |  |         $sinB = sin($B); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 2 |  |         $t = (1 - ($e * $sinB)) / (1 + ($e * $sinB)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 2 |  |         $t = ($this->sqr(1 + $sinB) / (1 - $this->sqr($sinB))) * exp($e * log($t)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 2 |  |         $t = $k2 * exp($alpha * log($t)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 2 |  |         $sinU = ($t - 1) / ($t + 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 2 |  |         $cosU = sqrt(1 - ($sinU * $sinU)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 2 |  |         $V = $alpha * $L; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 2 |  |         $sinV = sin($V); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 2 |  |         $cosV = cos($V); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 2 |  |         $cosDV = ($cosVQ * $cosV) + ($sinVQ * $sinV); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 2 |  |         $sinDV = ($sinVQ * $cosV) - ($cosVQ * $sinV); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 2 |  |         $sinS = ($sinUQ * $sinU) + ($cosUQ * $cosU * $cosDV); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 2 |  |         $cosS = sqrt(1 - $sinS * $sinS); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 2 |  |         $sinD = ($sinDV * $cosU) / $cosS; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 2 |  |         $cosD = sqrt(1 - ($sinD * $sinD)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 2 |  |         $eps = $n * atan($sinD / $cosD); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 2 |  |         $rho = $rho0 * exp(-$n * log((1 + $sinS) / $cosS)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 | 2 |  |         $CX = $rho * sin($eps); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 2 |  |         $CY = $rho * cos($eps); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 | 2 |  |         $obj = clone $this->out; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 2 |  |         $mul = isset($params['czech']) && boolval($params['czech']) ? 1 : -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 2 |  |         return $obj->setData( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 2 |  |             $mul * $CX, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 2 |  |             $mul * $CY, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             $H | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 2 |  |     protected function sqr(float $x): float | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 2 |  |         return $x * $x; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 2 |  |     public function toLonLat(Interfaces\IFormatted $source, array $params): Interfaces\INumbers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 2 |  |         $mul = isset($params['czech']) && boolval($params['czech']) ? 1 : -1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 2 |  |         $sjtskLatLong = $this->toSJTSKLatLong($mul * floatval(strval($source->getLatitude())), $mul * floatval(strval($source->getLongitude()))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 2 |  |         return $this->toWSG84LatLong($sjtskLatLong[0], $sjtskLatLong[1]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * @param float $x | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * @param float $y | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * @return array<float> | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 143 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 144 | 2 |  |     protected function toSJTSKLatLong(float $x, float $y): array | 
            
                                                                        
                            
            
                                    
            
            
                | 145 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 146 | 2 |  |         $finRad = pi() * 49.5 / 180; | 
            
                                                                        
                            
            
                                    
            
            
                | 147 | 2 |  |         $la0deg = 42 + 31.00 / 60 + 31.41725 / 3600; | 
            
                                                                        
                            
            
                                    
            
            
                | 148 | 2 |  |         $ro1 = sqrt($x * $x + $y * $y); | 
            
                                                                        
                            
            
                                    
            
            
                | 149 | 2 |  |         $rGauss = 6380065.5402; | 
            
                                                                        
                            
            
                                    
            
            
                | 150 | 2 |  |         $betakv = pi() * 11.5 / 180; | 
            
                                                                        
                            
            
                                    
            
            
                | 151 | 2 |  |         $fi0 = 59 + (42.00 / 60) + (42.69689 / 3600); | 
            
                                                                        
                            
            
                                    
            
            
                | 152 | 2 |  |         $a = 6377397.155; | 
            
                                                                        
                            
            
                                    
            
            
                | 153 | 2 |  |         $b = 6356078.96325; | 
            
                                                                        
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 155 | 2 |  |         $e2 = sqrt(($a * $a - $b * $b) / ($b * $b)); | 
            
                                                                        
                            
            
                                    
            
            
                | 156 | 2 |  |         $m = cos($betakv); | 
            
                                                                        
                            
            
                                    
            
            
                | 157 | 2 |  |         $vn = sqrt(1 + $e2 * $e2 * cos($finRad) * cos($finRad)); | 
            
                                                                        
                            
            
                                    
            
            
                | 158 | 2 |  |         $gamma = atan2($y, $x); | 
            
                                                                        
                            
            
                                    
            
            
                | 159 | 2 |  |         $c = $rGauss * sin($betakv) / $m / pow(tan($betakv / 2), $m); | 
            
                                                                        
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 161 | 2 |  |         $fi0rad = $fi0 * pi() / 180; | 
            
                                                                        
                            
            
                                    
            
            
                | 162 | 2 |  |         $fin = atan2(tan($finRad), $vn); | 
            
                                                                        
                            
            
                                    
            
            
                | 163 | 2 |  |         $lambv = $gamma / $m; | 
            
                                                                        
                            
            
                                    
            
            
                | 164 | 2 |  |         $betav = 2 * atan(pow($ro1 / $c, 1 / $m)); | 
            
                                                                        
                            
            
                                    
            
            
                | 165 | 2 |  |         $fi = asin(cos($betav) * sin($fi0rad) - sin($betav) * cos($fi0rad) * cos($lambv)); | 
            
                                                                        
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 167 | 2 |  |         $n = sin($finRad) / sin($fin); | 
            
                                                                        
                            
            
                                    
            
            
                | 168 | 2 |  |         $la = asin(sin($betav) * sin($lambv) / cos($fi)); | 
            
                                                                        
                            
            
                                    
            
            
                | 169 | 2 |  |         $la0 = $la0deg * pi() / 180; | 
            
                                                                        
                            
            
                                    
            
            
                | 170 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 171 | 2 |  |         $laRad = ($la0 - $la) / $n; | 
            
                                                                        
                            
            
                                    
            
            
                | 172 | 2 |  |         $laFerro = $laRad * 180 / pi(); | 
            
                                                                        
                            
            
                                    
            
            
                | 173 | 2 |  |         $sjtskLong = $laFerro - static::FG_SHIFT; | 
            
                                                                        
                            
            
                                    
            
            
                | 174 | 2 |  |         $e1 = sqrt(($a * $a - $b * $b) / ($a * $a)); | 
            
                                                                        
                            
            
                                    
            
            
                | 175 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 176 | 2 |  |         $k = tan(pi() / 4 + $fin / 2) / (pow(tan(pi() / 4 + $finRad / 2), $n) * pow((1 - $e1 * sin($finRad)) / (1 + $e1 * sin($finRad)), $n * $e1 / 2)); | 
            
                                                                        
                            
            
                                    
            
            
                | 177 | 2 |  |         $fik = 2 * atan(pow(1 / $k * tan(pi() / 4 + $fi / 2), 1 / $n)) - pi() / 2; | 
            
                                                                        
                            
            
                                    
            
            
                | 178 | 2 |  |         $tga = pow((1 - $e1 * sin($fik)) / (1 + $e1 * sin($fik)), $n * $e1 / 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 179 | 2 |  |         $fi1Rad = 2 * atan(pow(1 / $k / $tga * tan(pi() / 4 + $fi / 2), 1 / $n)) - pi() / 2; | 
            
                                                                        
                            
            
                                    
            
            
                | 180 | 2 |  |         $tga2 = pow((1 - $e1 * sin($fi1Rad)) / (1 + $e1 * sin($fi1Rad)), $n * $e1 / 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 181 | 2 |  |         $fi2Rad = 2 * atan(pow(1 / $k / $tga2 * tan(pi() / 4 + $fi / 2), 1 / $n)) - pi() / 2; | 
            
                                                                        
                            
            
                                    
            
            
                | 182 | 2 |  |         $tga3 = pow((1 - $e1 * sin($fi2Rad)) / (1 + $e1 * sin($fi2Rad)), $n * $e1 / 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 183 | 2 |  |         $fi3Rad = 2 * atan(pow(1 / $k / $tga3 * tan(pi() / 4 + $fi / 2), 1 / $n)) - pi() / 2; | 
            
                                                                        
                            
            
                                    
            
            
                | 184 | 2 |  |         $tga4 = pow((1 - $e1 * sin($fi3Rad)) / (1 + $e1 * sin($fi3Rad)), $n * $e1 / 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 185 | 2 |  |         $fi4Rad = 2 * atan(pow(1 / $k / $tga4 * tan(pi() / 4 + $fi / 2), 1 / $n)) - pi() / 2; | 
            
                                                                        
                            
            
                                    
            
            
                | 186 | 2 |  |         $tga5 = pow((1 - $e1 * sin($fi4Rad)) / (1 + $e1 * sin($fi4Rad)), $n * $e1 / 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 187 | 2 |  |         $firad = 2 * atan(pow(1 / $k / $tga5 * tan(pi() / 4 + $fi / 2), 1 / $n)) - pi() / 2; | 
            
                                                                        
                            
            
                                    
            
            
                | 188 | 2 |  |         $sjtskLat = $firad * 180 / pi(); | 
            
                                                                        
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 190 | 2 |  |         return [$sjtskLat, $sjtskLong]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 | 2 |  |     protected function toWSG84LatLong(float $SJTSKlat, float $SJTSKlong): Interfaces\INumbers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 | 2 |  |         $filRad = $SJTSKlat * pi() / 180; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 2 |  |         $la1Rad = $SJTSKlong * pi() / 180; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 | 2 |  |         $a1 = 6377397.155; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 2 |  |         $f1 = 0.00334277318217481; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 2 |  |         $a2 = 6378137.00; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 2 |  |         $f2 = 0.00335281066474748; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 | 2 |  |         $e1 = sqrt(2 * $f1 - $f1 * $f1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 | 2 |  |         $M = $a1 * (1 - $e1 * $e1) / pow((1 - $e1 * $e1 * sin($filRad) * sin($filRad)), 1.5); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 | 2 |  |         $N = $a1 / sqrt(1 - $e1 * $e1 * sin($filRad) * sin($filRad)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 | 2 |  |         $dlasec = ((-1 * static::dX_SHIFT * sin($la1Rad)) + static::dY_SHIFT * cos($la1Rad)) / ($N * cos($filRad) * sin(pi() / 180 / 3600)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 2 |  |         $dfisec = ((-1 * static::dX_SHIFT * sin($filRad) * cos($la1Rad)) - static::dY_SHIFT * sin($filRad) * sin($la1Rad) + static::dZ_SHIFT * cos($filRad) + ($a1 * ($f2 - $f1) + $f1 * ($a2 - $a1)) * sin(2 * $filRad)) / ($M * sin(pi() / 180 / 3600)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 2 |  |         $wsgLong = $SJTSKlong + $dlasec / 3600; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 2 |  |         $wsgLat = $SJTSKlat + $dfisec / 3600; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 | 2 |  |         return (clone $this->pos)->setData($wsgLong, $wsgLat); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 210 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 211 |  |  |  |