Ysurac / FlightAirMap

require/class.Elevation.php

Spacing +28 added lines, -28 removed lines

@@ -41,7 +41,7 @@ 
 			default:
 				throw new \Exception("bad resolution can be only one of 1,3");
 		}
-		register_shutdown_function(function () {
+		register_shutdown_function(function() {
 			$this->closeAllFiles();
 		});
 	}
@@ -55,10 +55,10 @@ 
 
 	private function getElevationAtPosition($fileName, $row, $column) {
 		if (!array_key_exists($fileName, $this->openedFiles)) {
-			if (!file_exists($this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName)) {
+			if (!file_exists($this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName)) {
 				throw new \Exception("File '{$fileName}' not exists.");
 			}
-			$file = fopen($this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName, "r");
+			$file = fopen($this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName, "r");
 			if ($file === false) {
 				throw new \Exception("Cant open file '{$fileName}' for reading.");
 			}
@@ -72,7 +72,7 @@ 
 			throw new \Exception("Not implemented yet");
 		}
 		$aRow     = $this->measPerDeg - $row;
-		$position = ($this->measPerDeg * ($aRow - 1)) + $column;
+		$position = ($this->measPerDeg*($aRow - 1)) + $column;
 		$position *= 2;
 		fseek($file, $position);
 		$short  = fread($file, 2);
@@ -110,8 +110,8 @@ 
 		$latSec = $this->getSec($lat);
 		$lonSec = $this->getSec($lon);
 
-		$Xn = round($latSec / $this->resolution, 3);
-		$Yn = round($lonSec / $this->resolution, 3);
+		$Xn = round($latSec/$this->resolution, 3);
+		$Yn = round($lonSec/$this->resolution, 3);
 
 		$a1 = round($Xn);
 		$a2 = round($Yn);
@@ -143,39 +143,39 @@ 
 		$b3 = $this->getElevationAtPosition($fName, $b1, $b2);
 		$c3 = $this->getElevationAtPosition($fName, $c1, $c2);
 
-		$n1 = ($c2 - $a2) * ($b3 - $a3) - ($c3 - $a3) * ($b2 - $a2);
-		$n2 = ($c3 - $a3) * ($b1 - $a1) - ($c1 - $a1) * ($b3 - $a3);
-		$n3 = ($c1 - $a1) * ($b2 - $a2) - ($c2 - $a2) * ($b1 - $a1);
+		$n1 = ($c2 - $a2)*($b3 - $a3) - ($c3 - $a3)*($b2 - $a2);
+		$n2 = ($c3 - $a3)*($b1 - $a1) - ($c1 - $a1)*($b3 - $a3);
+		$n3 = ($c1 - $a1)*($b2 - $a2) - ($c2 - $a2)*($b1 - $a1);
 
-		$d  = -$n1 * $a1 - $n2 * $a2 - $n3 * $a3;
-		$zN = (-$n1 * $Xn - $n2 * $Yn - $d) / $n3;
+		$d  = -$n1*$a1 - $n2*$a2 - $n3*$a3;
+		$zN = (-$n1*$Xn - $n2*$Yn - $d)/$n3;
 		if ($zN > 10000) return 0;
 		else return $zN;
 	}
 
 	private function getDeg($deg, $numPrefix) {
 		$deg = abs($deg);
-		$d   = floor($deg);     // round degrees
+		$d   = floor($deg); // round degrees
 		if ($numPrefix >= 3) {
 			if ($d < 100) {
-				$d = '0' . $d;
+				$d = '0'.$d;
 			}
 		} // pad with leading zeros
 		if ($d < 10) {
-			$d = '0' . $d;
+			$d = '0'.$d;
 		}
 		return $d;
 	}
 
 	private function getSec($deg) {
 		$deg = abs($deg);
-		$sec = round($deg * 3600, 4);
-		$m   = fmod(floor($sec / 60), 60);
+		$sec = round($deg*3600, 4);
+		$m   = fmod(floor($sec/60), 60);
 		$s   = round(fmod($sec, 60), 4);
-		return ($m * 60) + $s;
+		return ($m*60) + $s;
 	}
 
-	public function download($lat,$lon, $debug = false) {
+	public function download($lat, $lon, $debug = false) {
 		if ($lat < 0) {
 			$latd = 'S'.$this->getDeg($lat, 2);
 		} else {
@@ -186,20 +186,20 @@ 
 		} else {
 			$lond = 'W'.$this->getDeg($lon, 3);
 		}
-		$fileName  = $latd.$lond.".hgt";
-		if (!file_exists($this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName)) {
+		$fileName = $latd.$lond.".hgt";
+		if (!file_exists($this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName)) {
 			$Common = new Common();
 			if ($debug) echo 'Downloading '.$fileName.'.gz ...';
-			$Common->download('https://s3.amazonaws.com/elevation-tiles-prod/skadi/'.$latd.'/'.$fileName.'.gz',$this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName . '.gz');
-			if (!file_exists($this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName . '.gz')) {
+			$Common->download('https://s3.amazonaws.com/elevation-tiles-prod/skadi/'.$latd.'/'.$fileName.'.gz', $this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName.'.gz');
+			if (!file_exists($this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName.'.gz')) {
 				if ($debug) echo "File '{$fileName}.gz' not exists.";
 				return false;
 			}
 			if ($debug) echo 'Done'."\n";
 			if ($debug) echo 'Decompress '.$fileName.' ....';
-			$Common->gunzip($this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName . '.gz',$this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName);
+			$Common->gunzip($this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName.'.gz', $this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName);
 			if ($debug) echo 'Done'."\n";
-			unlink($this->htgFilesDestination . DIRECTORY_SEPARATOR . $fileName . '.gz');
+			unlink($this->htgFilesDestination.DIRECTORY_SEPARATOR.$fileName.'.gz');
 		}
 		return true;
 	}
@@ -212,22 +212,22 @@ 
 		try {
 			$sth = $db->prepare($query);
 			$sth->execute($query_values);
-		} catch(PDOException $e) {
+		} catch (PDOException $e) {
 			return "error : ".$e->getMessage();
 		}
 		while ($data = $sth->fetch(PDO::FETCH_ASSOC)) {
-			$this->download($data['latitude'],$data['longitude'],true);
+			$this->download($data['latitude'], $data['longitude'], true);
 		}
 		$query = 'SELECT latitude, longitude FROM tracker_output WHERE latitude <> 0 AND longitude <> 0 ORDER BY date DESC LIMIT 10';
 		$query_values = array();
 		try {
 			$sth = $db->prepare($query);
 			$sth->execute($query_values);
-		} catch(PDOException $e) {
+		} catch (PDOException $e) {
 			return "error : ".$e->getMessage();
 		}
 		while ($data = $sth->fetch(PDO::FETCH_ASSOC)) {
-			$this->download($data['latitude'],$data['longitude'],true);
+			$this->download($data['latitude'], $data['longitude'], true);
 		}
 	}
 }