Ysurac / FlightAirMap

require/libs/Predict/Predict/DeepArg.php

Indentation +24 added lines, -24 removed lines

@@ -6,30 +6,30 @@
 /* Common arguments between deep-space functions */
 class Predict_DeepArg
 {
-    /* Used by dpinit part of Deep() */
-    public $eosq;
-    public $sinio;
-    public $cosio;
-    public $betao;
-    public $aodp;
-    public $theta2;
-    public $sing;
-    public $cosg;
-    public $betao2;
-    public $xmdot;
-    public $omgdot;
-    public $xnodot;
-    public $xnodp;
+	/* Used by dpinit part of Deep() */
+	public $eosq;
+	public $sinio;
+	public $cosio;
+	public $betao;
+	public $aodp;
+	public $theta2;
+	public $sing;
+	public $cosg;
+	public $betao2;
+	public $xmdot;
+	public $omgdot;
+	public $xnodot;
+	public $xnodp;
 
-    /* Used by dpsec and dpper parts of Deep() */
-    public $xll;
-    public $omgadf;
-    public $xnode;
-    public $em;
-    public $xinc;
-    public $xn;
-    public $t;
+	/* Used by dpsec and dpper parts of Deep() */
+	public $xll;
+	public $omgadf;
+	public $xnode;
+	public $em;
+	public $xinc;
+	public $xn;
+	public $t;
 
-    /* Used by thetg and Deep() */
-    public $ds50;
+	/* Used by thetg and Deep() */
+	public $ds50;
 }

require/libs/Predict/Predict/Pass.php

Indentation +12 added lines, -12 removed lines

@@ -3,16 +3,16 @@
 /** Brief satellite pass info. */
 class Predict_Pass
 {
-    public $satname;  /*!< satellite name */
-    public $aos;      /*!< AOS time in "jul_utc" */
-    public $tca;      /*!< TCA time in "jul_utc" */
-    public $los;      /*!< LOS time in "jul_utc" */
-    public $max_el;   /*!< Maximum elevation during pass */
-    public $aos_az;   /*!< Azimuth at AOS */
-    public $los_az;   /*!< Azimuth at LOS */
-    public $orbit;    /*!< Orbit number */
-    public $maxel_az; /*!< Azimuth at maximum elevation */
-    public $vis;      /*!< Visibility string, e.g. VSE, -S-, V-- */
-    public $details = array();  /*!< List of pass_detail_t entries */
-    public $max_apparent_magnitude = null; /* maximum apparent magnitude, experimental */
+	public $satname;  /*!< satellite name */
+	public $aos;      /*!< AOS time in "jul_utc" */
+	public $tca;      /*!< TCA time in "jul_utc" */
+	public $los;      /*!< LOS time in "jul_utc" */
+	public $max_el;   /*!< Maximum elevation during pass */
+	public $aos_az;   /*!< Azimuth at AOS */
+	public $los_az;   /*!< Azimuth at LOS */
+	public $orbit;    /*!< Orbit number */
+	public $maxel_az; /*!< Azimuth at maximum elevation */
+	public $vis;      /*!< Visibility string, e.g. VSE, -S-, V-- */
+	public $details = array();  /*!< List of pass_detail_t entries */
+	public $max_apparent_magnitude = null; /* maximum apparent magnitude, experimental */
 }

Spacing +10 added lines, -10 removed lines

@@ -3,16 +3,16 @@
 /** Brief satellite pass info. */
 class Predict_Pass
 {
-    public $satname;  /*!< satellite name */
-    public $aos;      /*!< AOS time in "jul_utc" */
-    public $tca;      /*!< TCA time in "jul_utc" */
-    public $los;      /*!< LOS time in "jul_utc" */
-    public $max_el;   /*!< Maximum elevation during pass */
-    public $aos_az;   /*!< Azimuth at AOS */
-    public $los_az;   /*!< Azimuth at LOS */
-    public $orbit;    /*!< Orbit number */
+    public $satname; /*!< satellite name */
+    public $aos; /*!< AOS time in "jul_utc" */
+    public $tca; /*!< TCA time in "jul_utc" */
+    public $los; /*!< LOS time in "jul_utc" */
+    public $max_el; /*!< Maximum elevation during pass */
+    public $aos_az; /*!< Azimuth at AOS */
+    public $los_az; /*!< Azimuth at LOS */
+    public $orbit; /*!< Orbit number */
     public $maxel_az; /*!< Azimuth at maximum elevation */
-    public $vis;      /*!< Visibility string, e.g. VSE, -S-, V-- */
-    public $details = array();  /*!< List of pass_detail_t entries */
+    public $vis; /*!< Visibility string, e.g. VSE, -S-, V-- */
+    public $details = array(); /*!< List of pass_detail_t entries */
     public $max_apparent_magnitude = null; /* maximum apparent magnitude, experimental */
 }

require/libs/Predict/Predict/DeepStatic.php

Indentation +74 added lines, -74 removed lines

@@ -6,78 +6,78 @@
 /* static data for DEEP */
 class Predict_DeepStatic
 {
-    public $thgr;
-    public $xnq;
-    public $xqncl;
-    public $omegaq;
-    public $zmol;
-    public $zmos;
-    public $savtsn;
-    public $ee2;
-    public $e3;
-    public $xi2;
-    public $xl2;
-    public $xl3;
-    public $xl4;
-    public $xgh2;
-    public $xgh3;
-    public $xgh4;
-    public $xh2;
-    public $xh3;
-    public $sse;
-    public $ssi;
-    public $ssg;
-    public $xi3;
-    public $se2;
-    public $si2;
-    public $sl2;
-    public $sgh2;
-    public $sh2;
-    public $se3;
-    public $si3;
-    public $sl3;
-    public $sgh3;
-    public $sh3;
-    public $sl4;
-    public $sgh4;
-    public $ssl;
-    public $ssh;
-    public $d3210;
-    public $d3222;
-    public $d4410;
-    public $d4422;
-    public $d5220;
-    public $d5232;
-    public $d5421;
-    public $d5433;
-    public $del1;
-    public $del2;
-    public $del3;
-    public $fasx2;
-    public $fasx4;
-    public $fasx6;
-    public $xlamo;
-    public $xfact;
-    public $xni;
-    public $atime;
-    public $stepp;
-    public $stepn;
-    public $step2;
-    public $preep;
-    public $pl;
-    public $sghs;
-    public $xli;
-    public $d2201;
-    public $d2211;
-    public $sghl;
-    public $sh1;
-    public $pinc;
-    public $pe;
-    public $shs;
-    public $zsingl;
-    public $zcosgl;
-    public $zsinhl;
-    public $zcoshl;
-    public $zsinil;
-    public $zcosil;
+	public $thgr;
+	public $xnq;
+	public $xqncl;
+	public $omegaq;
+	public $zmol;
+	public $zmos;
+	public $savtsn;
+	public $ee2;
+	public $e3;
+	public $xi2;
+	public $xl2;
+	public $xl3;
+	public $xl4;
+	public $xgh2;
+	public $xgh3;
+	public $xgh4;
+	public $xh2;
+	public $xh3;
+	public $sse;
+	public $ssi;
+	public $ssg;
+	public $xi3;
+	public $se2;
+	public $si2;
+	public $sl2;
+	public $sgh2;
+	public $sh2;
+	public $se3;
+	public $si3;
+	public $sl3;
+	public $sgh3;
+	public $sh3;
+	public $sl4;
+	public $sgh4;
+	public $ssl;
+	public $ssh;
+	public $d3210;
+	public $d3222;
+	public $d4410;
+	public $d4422;
+	public $d5220;
+	public $d5232;
+	public $d5421;
+	public $d5433;
+	public $del1;
+	public $del2;
+	public $del3;
+	public $fasx2;
+	public $fasx4;
+	public $fasx6;
+	public $xlamo;
+	public $xfact;
+	public $xni;
+	public $atime;
+	public $stepp;
+	public $stepn;
+	public $step2;
+	public $preep;
+	public $pl;
+	public $sghs;
+	public $xli;
+	public $d2201;
+	public $d2211;
+	public $sghl;
+	public $sh1;
+	public $pinc;
+	public $pe;
+	public $shs;
+	public $zsingl;
+	public $zcosgl;
+	public $zsinhl;
+	public $zcoshl;
+	public $zsinil;
+	public $zcosil;
 }

require/libs/Predict/Predict/PassDetail.php

Indentation +21 added lines, -21 removed lines

@@ -12,26 +12,26 @@
  */
 class Predict_PassDetail
 {
-    public $time;   /*!< time in "jul_utc" */
-    public $pos;    /*!< Raw unprocessed position at time */
-    public $vel;    /*!< Raw unprocessed velocity at time */
-    public $velo;
-    public $az;
-    public $el;
-    public $range;
-    public $range_rate;
-    public $lat;
-    public $lon;
-    public $alt;
-    public $ma;
-    public $phase;
-    public $footprint;
-    public $vis;
-    public $orbit;
+	public $time;   /*!< time in "jul_utc" */
+	public $pos;    /*!< Raw unprocessed position at time */
+	public $vel;    /*!< Raw unprocessed velocity at time */
+	public $velo;
+	public $az;
+	public $el;
+	public $range;
+	public $range_rate;
+	public $lat;
+	public $lon;
+	public $alt;
+	public $ma;
+	public $phase;
+	public $footprint;
+	public $vis;
+	public $orbit;
 
-    public function __construct()
-    {
-        $this->pos = new Predict_Vector();
-        $this->vel = new Predict_Vector();
-    }
+	public function __construct()
+	{
+		$this->pos = new Predict_Vector();
+		$this->vel = new Predict_Vector();
+	}
 }

Spacing +3 added lines, -3 removed lines

@@ -12,9 +12,9 @@
  */
 class Predict_PassDetail
 {
-    public $time;   /*!< time in "jul_utc" */
-    public $pos;    /*!< Raw unprocessed position at time */
-    public $vel;    /*!< Raw unprocessed velocity at time */
+    public $time; /*!< time in "jul_utc" */
+    public $pos; /*!< Raw unprocessed position at time */
+    public $vel; /*!< Raw unprocessed velocity at time */
     public $velo;
     public $az;
     public $el;

require/libs/Predict/Predict/ObsSet.php

Indentation +4 added lines, -4 removed lines

@@ -5,8 +5,8 @@
  */
 class Predict_ObsSet
 {
-    public $az         = 0.0;  /*!< Azimuth [deg] */
-    public $el         = 0.0;  /*!< Elevation [deg] */
-    public $range      = 0.0;  /*!< Range [km] */
-    public $range_rate = 0.0;  /*!< Velocity [km/sec] */
+	public $az         = 0.0;  /*!< Azimuth [deg] */
+	public $el         = 0.0;  /*!< Elevation [deg] */
+	public $range      = 0.0;  /*!< Range [km] */
+	public $range_rate = 0.0;  /*!< Velocity [km/sec] */
 }

Spacing +4 added lines, -4 removed lines

@@ -5,8 +5,8 @@
  */
 class Predict_ObsSet
 {
-    public $az         = 0.0;  /*!< Azimuth [deg] */
-    public $el         = 0.0;  /*!< Elevation [deg] */
-    public $range      = 0.0;  /*!< Range [km] */
-    public $range_rate = 0.0;  /*!< Velocity [km/sec] */
+    public $az         = 0.0; /*!< Azimuth [deg] */
+    public $el         = 0.0; /*!< Elevation [deg] */
+    public $range      = 0.0; /*!< Range [km] */
+    public $range_rate = 0.0; /*!< Velocity [km/sec] */
 }

require/libs/Predict/Predict/TLE.php

Indentation +192 added lines, -192 removed lines

@@ -12,221 +12,221 @@
  */
 class Predict_TLE
 {
-    public $header;     /* Header line of TLE file */
-    public $line1;      /* Line 1 of TLE */
-    public $line2;      /* Line 2 of TLE */
-    public $epoch;      /*!< Epoch Time in NORAD TLE format YYDDD.FFFFFFFF */
-    public $epoch_year; /*!< Epoch: year */
-    public $epoch_day;  /*!< Epoch: day of year */
-    public $epoch_fod;  /*!< Epoch: Fraction of day. */
-    public $xndt2o;     /*!< 1. time derivative of mean motion */
-    public $xndd6o;     /*!< 2. time derivative of mean motion */
-    public $bstar;      /*!< Bstar drag coefficient. */
-    public $xincl;      /*!< Inclination */
-    public $xnodeo;     /*!< R.A.A.N. */
-    public $eo;         /*!< Eccentricity */
-    public $omegao;     /*!< argument of perigee */
-    public $xmo;        /*!< mean anomaly */
-    public $xno;        /*!< mean motion */
-
-    public $catnr;      /*!< Catalogue Number.  */
-    public $elset;      /*!< Element Set number. */
-    public $revnum;     /*!< Revolution Number at epoch. */
-
-    public $sat_name;   /*!< Satellite name string. */
-    public $idesg;      /*!< International Designator. */
-    public $status;     /*!< Operational status. */
-
-    /* values needed for squint calculations */
-    public $xincl1;
-    public $xnodeo1;
-    public $omegao1;
-
-
-    /* Converts the strings in a raw two-line element set  */
-    /* to their intended numerical values. No processing   */
-    /* of these values is done, e.g. from deg to rads etc. */
-    /* This is done in the select_ephemeris() function.    */
-    public function __construct($header, $line1, $line2)
-    {
-        if (!$this->Good_Elements($line1, $line2)) {
-            throw new Predict_Exception('Invalid TLE contents');
-        }
-
-        $this->header = $header;
-        $this->line1  = $line1;
-        $this->line2  = $line2;
-
-        /** Decode Card 1 **/
-        /* Satellite's catalogue number */
-        $this->catnr = (int) substr($line1, 2, 5);
-
-        /* International Designator for satellite */
-        $this->idesg = substr($line1, 9, 8);
-
-        /* Epoch time; this is the complete, unconverted epoch. */
-        /* Replace spaces with 0 before casting, as leading spaces are allowed */
-        $this->epoch = (float) str_replace(' ', '0', substr($line1, 18, 14));
-
-        /* Now, convert the epoch time into year, day
+	public $header;     /* Header line of TLE file */
+	public $line1;      /* Line 1 of TLE */
+	public $line2;      /* Line 2 of TLE */
+	public $epoch;      /*!< Epoch Time in NORAD TLE format YYDDD.FFFFFFFF */
+	public $epoch_year; /*!< Epoch: year */
+	public $epoch_day;  /*!< Epoch: day of year */
+	public $epoch_fod;  /*!< Epoch: Fraction of day. */
+	public $xndt2o;     /*!< 1. time derivative of mean motion */
+	public $xndd6o;     /*!< 2. time derivative of mean motion */
+	public $bstar;      /*!< Bstar drag coefficient. */
+	public $xincl;      /*!< Inclination */
+	public $xnodeo;     /*!< R.A.A.N. */
+	public $eo;         /*!< Eccentricity */
+	public $omegao;     /*!< argument of perigee */
+	public $xmo;        /*!< mean anomaly */
+	public $xno;        /*!< mean motion */
+
+	public $catnr;      /*!< Catalogue Number.  */
+	public $elset;      /*!< Element Set number. */
+	public $revnum;     /*!< Revolution Number at epoch. */
+
+	public $sat_name;   /*!< Satellite name string. */
+	public $idesg;      /*!< International Designator. */
+	public $status;     /*!< Operational status. */
+
+	/* values needed for squint calculations */
+	public $xincl1;
+	public $xnodeo1;
+	public $omegao1;
+
+
+	/* Converts the strings in a raw two-line element set  */
+	/* to their intended numerical values. No processing   */
+	/* of these values is done, e.g. from deg to rads etc. */
+	/* This is done in the select_ephemeris() function.    */
+	public function __construct($header, $line1, $line2)
+	{
+		if (!$this->Good_Elements($line1, $line2)) {
+			throw new Predict_Exception('Invalid TLE contents');
+		}
+
+		$this->header = $header;
+		$this->line1  = $line1;
+		$this->line2  = $line2;
+
+		/** Decode Card 1 **/
+		/* Satellite's catalogue number */
+		$this->catnr = (int) substr($line1, 2, 5);
+
+		/* International Designator for satellite */
+		$this->idesg = substr($line1, 9, 8);
+
+		/* Epoch time; this is the complete, unconverted epoch. */
+		/* Replace spaces with 0 before casting, as leading spaces are allowed */
+		$this->epoch = (float) str_replace(' ', '0', substr($line1, 18, 14));
+
+		/* Now, convert the epoch time into year, day
            and fraction of day, according to:
 
            YYDDD.FFFFFFFF
         */
 
-        // Adjust for 2 digit year through 2056
-        $this->epoch_year = (int) substr($line1, 18, 2);
-        if ($this->epoch_year > 56) {
-            $this->epoch_year = $this->epoch_year + 1900;
-        } else {
-            $this->epoch_year = $this->epoch_year + 2000;
-        }
+		// Adjust for 2 digit year through 2056
+		$this->epoch_year = (int) substr($line1, 18, 2);
+		if ($this->epoch_year > 56) {
+			$this->epoch_year = $this->epoch_year + 1900;
+		} else {
+			$this->epoch_year = $this->epoch_year + 2000;
+		}
 
-        /* Epoch day */
-        $this->epoch_day = (int) substr($line1, 20, 3);
+		/* Epoch day */
+		$this->epoch_day = (int) substr($line1, 20, 3);
 
-        /* Epoch fraction of day */
-        $this->epoch_fod = (float) substr($line1, 23, 9);
+		/* Epoch fraction of day */
+		$this->epoch_fod = (float) substr($line1, 23, 9);
 
 
-        /* Satellite's First Time Derivative */
-        $this->xndt2o = (float) substr($line1, 33, 10);
+		/* Satellite's First Time Derivative */
+		$this->xndt2o = (float) substr($line1, 33, 10);
 
-        /* Satellite's Second Time Derivative */
-        $this->xndd6o = (float) (substr($line1, 44, 1) . '.' . substr($line1, 45, 5) . 'E' . substr($line1, 50, 2));
+		/* Satellite's Second Time Derivative */
+		$this->xndd6o = (float) (substr($line1, 44, 1) . '.' . substr($line1, 45, 5) . 'E' . substr($line1, 50, 2));
 
-        /* Satellite's bstar drag term
+		/* Satellite's bstar drag term
            FIXME: How about buff[0] ????
         */
-        $this->bstar = (float) (substr($line1, 53, 1) . '.' . substr($line1, 54, 5) . 'E' . substr($line1, 59, 2));
+		$this->bstar = (float) (substr($line1, 53, 1) . '.' . substr($line1, 54, 5) . 'E' . substr($line1, 59, 2));
 
-        /* Element Number */
-        $this->elset = (int) substr($line1, 64, 4);
+		/* Element Number */
+		$this->elset = (int) substr($line1, 64, 4);
 
-        /** Decode Card 2 **/
-        /* Satellite's Orbital Inclination (degrees) */
-        $this->xincl = (float) substr($line2, 8, 8);
+		/** Decode Card 2 **/
+		/* Satellite's Orbital Inclination (degrees) */
+		$this->xincl = (float) substr($line2, 8, 8);
 
-        /* Satellite's RAAN (degrees) */
-        $this->xnodeo = (float) substr($line2, 17, 8);
+		/* Satellite's RAAN (degrees) */
+		$this->xnodeo = (float) substr($line2, 17, 8);
 
-        /* Satellite's Orbital Eccentricity */
-        $this->eo = (float) ('.' . substr($line2, 26, 7));
+		/* Satellite's Orbital Eccentricity */
+		$this->eo = (float) ('.' . substr($line2, 26, 7));
 
-        /* Satellite's Argument of Perigee (degrees) */
-        $this->omegao = (float) substr($line2, 34, 8);
+		/* Satellite's Argument of Perigee (degrees) */
+		$this->omegao = (float) substr($line2, 34, 8);
 
-        /* Satellite's Mean Anomaly of Orbit (degrees) */
-        $this->xmo = (float) substr($line2, 43, 8);
+		/* Satellite's Mean Anomaly of Orbit (degrees) */
+		$this->xmo = (float) substr($line2, 43, 8);
 
-        /* Satellite's Mean Motion (rev/day) */
-        $this->xno = (float) substr($line2, 52, 11);
+		/* Satellite's Mean Motion (rev/day) */
+		$this->xno = (float) substr($line2, 52, 11);
 
-        /* Satellite's Revolution number at epoch */
-        $this->revnum = (float) substr($line2, 63, 5);
-    }
+		/* Satellite's Revolution number at epoch */
+		$this->revnum = (float) substr($line2, 63, 5);
+	}
 
-    /* Calculates the checksum mod 10 of a line from a TLE set and */
-    /* returns true if it compares with checksum in column 68, else false.*/
-    /* tle_set is a character string holding the two lines read    */
-    /* from a text file containing NASA format Keplerian elements. */
-    /* NOTE!!! The stuff about two lines is not quite true.
+	/* Calculates the checksum mod 10 of a line from a TLE set and */
+	/* returns true if it compares with checksum in column 68, else false.*/
+	/* tle_set is a character string holding the two lines read    */
+	/* from a text file containing NASA format Keplerian elements. */
+	/* NOTE!!! The stuff about two lines is not quite true.
        The function assumes that tle_set[0] is the begining
        of the line and that there are 68 elements - see the consumer
     */
-    public function Checksum_Good($tle_set)
-    {
-        if (strlen($tle_set) < 69) {
-            return false;
-        }
-
-        $checksum = 0;
-
-        for ($i = 0; $i < 68; $i++) {
-            if (($tle_set[$i] >= '0') && ($tle_set[$i] <= '9')) {
-                $value = $tle_set[$i] - '0';
-            } else if ($tle_set[$i] == '-' ) {
-                $value = 1;
-            } else {
-                $value = 0;
-            }
-
-            $checksum += $value;
-        }
-
-        $checksum   %= 10;
-        $check_digit = $tle_set[68] - '0';
-
-        return $checksum == $check_digit;
-    }
-
-    /* Carries out various checks on a TLE set to verify its validity */
-    /* $line1 is the first line of the TLE, $line2 is the second line */
-    /* from a text file containing NASA format Keplerian elements. */
-    public function Good_Elements($line1, $line2)
-    {
-        /* Verify checksum of both lines of a TLE set */
-        if (!$this->Checksum_Good($line1) || !$this->Checksum_Good($line2)) {
-            return false;
-        }
-
-        /* Check the line number of each line */
-        if (($line1[0] != '1') || ($line2[0] != '2')) {
-            return false;
-        }
-
-        /* Verify that Satellite Number is same in both lines */
-        if (strncmp($line1[2], $line2[2], 5) != 0) {
-            return false;
-        }
-
-        /* Check that various elements are in the right place */
-        if (($line1[23] != '.') ||
-            ($line1[34] != '.') ||
-            ($line2[11] != '.') ||
-            ($line2[20] != '.') ||
-            ($line2[37] != '.') ||
-            ($line2[46] != '.') ||
-            ($line2[54] != '.') ||
-            (strncmp(substr($line1, 61), ' 0 ', 3) != 0)) {
-
-            return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * A function to allow checksum creation of a line.  This is driven by
-     * the fact that some TLEs from SpaceTrack are missing checksum numbers.
-     * You can use this to create a checksum for a line, but you should
-     * probably have confidence that the TLE data itself is good.  YMMV.
-     *
-     * @throws Predict_Exception if the line is not exactly 68 chars
-     * @return string
-     */
-    static public function createChecksum($line)
-    {
-        if (strlen($line) != 68) {
-            throw Predict_Exception('Invalid line, needs to e 68 chars');
-        }
-
-        $checksum = 0;
-
-        for ($i = 0; $i < 68; $i++) {
-            if (($line[$i] >= '0') && ($line[$i] <= '9')) {
-                $value = (int) $line[$i];
-            } else if ($line[$i] == '-' ) {
-                $value = 1;
-            } else {
-                $value = 0;
-            }
-
-            $checksum += $value;
-        }
-
-        $checksum %= 10;
-
-        return $checksum;
-    }
+	public function Checksum_Good($tle_set)
+	{
+		if (strlen($tle_set) < 69) {
+			return false;
+		}
+
+		$checksum = 0;
+
+		for ($i = 0; $i < 68; $i++) {
+			if (($tle_set[$i] >= '0') && ($tle_set[$i] <= '9')) {
+				$value = $tle_set[$i] - '0';
+			} else if ($tle_set[$i] == '-' ) {
+				$value = 1;
+			} else {
+				$value = 0;
+			}
+
+			$checksum += $value;
+		}
+
+		$checksum   %= 10;
+		$check_digit = $tle_set[68] - '0';
+
+		return $checksum == $check_digit;
+	}
+
+	/* Carries out various checks on a TLE set to verify its validity */
+	/* $line1 is the first line of the TLE, $line2 is the second line */
+	/* from a text file containing NASA format Keplerian elements. */
+	public function Good_Elements($line1, $line2)
+	{
+		/* Verify checksum of both lines of a TLE set */
+		if (!$this->Checksum_Good($line1) || !$this->Checksum_Good($line2)) {
+			return false;
+		}
+
+		/* Check the line number of each line */
+		if (($line1[0] != '1') || ($line2[0] != '2')) {
+			return false;
+		}
+
+		/* Verify that Satellite Number is same in both lines */
+		if (strncmp($line1[2], $line2[2], 5) != 0) {
+			return false;
+		}
+
+		/* Check that various elements are in the right place */
+		if (($line1[23] != '.') ||
+			($line1[34] != '.') ||
+			($line2[11] != '.') ||
+			($line2[20] != '.') ||
+			($line2[37] != '.') ||
+			($line2[46] != '.') ||
+			($line2[54] != '.') ||
+			(strncmp(substr($line1, 61), ' 0 ', 3) != 0)) {
+
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * A function to allow checksum creation of a line.  This is driven by
+	 * the fact that some TLEs from SpaceTrack are missing checksum numbers.
+	 * You can use this to create a checksum for a line, but you should
+	 * probably have confidence that the TLE data itself is good.  YMMV.
+	 *
+	 * @throws Predict_Exception if the line is not exactly 68 chars
+	 * @return string
+	 */
+	static public function createChecksum($line)
+	{
+		if (strlen($line) != 68) {
+			throw Predict_Exception('Invalid line, needs to e 68 chars');
+		}
+
+		$checksum = 0;
+
+		for ($i = 0; $i < 68; $i++) {
+			if (($line[$i] >= '0') && ($line[$i] <= '9')) {
+				$value = (int) $line[$i];
+			} else if ($line[$i] == '-' ) {
+				$value = 1;
+			} else {
+				$value = 0;
+			}
+
+			$checksum += $value;
+		}
+
+		$checksum %= 10;
+
+		return $checksum;
+	}
 }

Spacing +28 added lines, -28 removed lines

@@ -12,30 +12,30 @@ 
  */
 class Predict_TLE
 {
-    public $header;     /* Header line of TLE file */
-    public $line1;      /* Line 1 of TLE */
-    public $line2;      /* Line 2 of TLE */
-    public $epoch;      /*!< Epoch Time in NORAD TLE format YYDDD.FFFFFFFF */
+    public $header; /* Header line of TLE file */
+    public $line1; /* Line 1 of TLE */
+    public $line2; /* Line 2 of TLE */
+    public $epoch; /*!< Epoch Time in NORAD TLE format YYDDD.FFFFFFFF */
     public $epoch_year; /*!< Epoch: year */
-    public $epoch_day;  /*!< Epoch: day of year */
-    public $epoch_fod;  /*!< Epoch: Fraction of day. */
-    public $xndt2o;     /*!< 1. time derivative of mean motion */
-    public $xndd6o;     /*!< 2. time derivative of mean motion */
-    public $bstar;      /*!< Bstar drag coefficient. */
-    public $xincl;      /*!< Inclination */
-    public $xnodeo;     /*!< R.A.A.N. */
-    public $eo;         /*!< Eccentricity */
-    public $omegao;     /*!< argument of perigee */
-    public $xmo;        /*!< mean anomaly */
-    public $xno;        /*!< mean motion */
-
-    public $catnr;      /*!< Catalogue Number.  */
-    public $elset;      /*!< Element Set number. */
-    public $revnum;     /*!< Revolution Number at epoch. */
-
-    public $sat_name;   /*!< Satellite name string. */
-    public $idesg;      /*!< International Designator. */
-    public $status;     /*!< Operational status. */
+    public $epoch_day; /*!< Epoch: day of year */
+    public $epoch_fod; /*!< Epoch: Fraction of day. */
+    public $xndt2o; /*!< 1. time derivative of mean motion */
+    public $xndd6o; /*!< 2. time derivative of mean motion */
+    public $bstar; /*!< Bstar drag coefficient. */
+    public $xincl; /*!< Inclination */
+    public $xnodeo; /*!< R.A.A.N. */
+    public $eo; /*!< Eccentricity */
+    public $omegao; /*!< argument of perigee */
+    public $xmo; /*!< mean anomaly */
+    public $xno; /*!< mean motion */
+
+    public $catnr; /*!< Catalogue Number.  */
+    public $elset; /*!< Element Set number. */
+    public $revnum; /*!< Revolution Number at epoch. */
+
+    public $sat_name; /*!< Satellite name string. */
+    public $idesg; /*!< International Designator. */
+    public $status; /*!< Operational status. */
 
     /* values needed for squint calculations */
     public $xincl1;
@@ -93,12 +93,12 @@ 
         $this->xndt2o = (float) substr($line1, 33, 10);
 
         /* Satellite's Second Time Derivative */
-        $this->xndd6o = (float) (substr($line1, 44, 1) . '.' . substr($line1, 45, 5) . 'E' . substr($line1, 50, 2));
+        $this->xndd6o = (float) (substr($line1, 44, 1).'.'.substr($line1, 45, 5).'E'.substr($line1, 50, 2));
 
         /* Satellite's bstar drag term
            FIXME: How about buff[0] ????
         */
-        $this->bstar = (float) (substr($line1, 53, 1) . '.' . substr($line1, 54, 5) . 'E' . substr($line1, 59, 2));
+        $this->bstar = (float) (substr($line1, 53, 1).'.'.substr($line1, 54, 5).'E'.substr($line1, 59, 2));
 
         /* Element Number */
         $this->elset = (int) substr($line1, 64, 4);
@@ -111,7 +111,7 @@ 
         $this->xnodeo = (float) substr($line2, 17, 8);
 
         /* Satellite's Orbital Eccentricity */
-        $this->eo = (float) ('.' . substr($line2, 26, 7));
+        $this->eo = (float) ('.'.substr($line2, 26, 7));
 
         /* Satellite's Argument of Perigee (degrees) */
         $this->omegao = (float) substr($line2, 34, 8);
@@ -145,7 +145,7 @@ 
         for ($i = 0; $i < 68; $i++) {
             if (($tle_set[$i] >= '0') && ($tle_set[$i] <= '9')) {
                 $value = $tle_set[$i] - '0';
-            } else if ($tle_set[$i] == '-' ) {
+            } else if ($tle_set[$i] == '-') {
                 $value = 1;
             } else {
                 $value = 0;
@@ -216,7 +216,7 @@ 
         for ($i = 0; $i < 68; $i++) {
             if (($line[$i] >= '0') && ($line[$i] <= '9')) {
                 $value = (int) $line[$i];
-            } else if ($line[$i] == '-' ) {
+            } else if ($line[$i] == '-') {
                 $value = 1;
             } else {
                 $value = 0;

require/libs/Predict/Predict/Geodetic.php

Indentation +4 added lines, -4 removed lines

@@ -6,8 +6,8 @@
  */
 class Predict_Geodetic
 {
-    public $lat; /*!< Lattitude [rad] */
-    public $lon; /*!< Longitude [rad] */
-    public $alt; /*!< Altitude [km] */
-    public $theta;
+	public $lat; /*!< Lattitude [rad] */
+	public $lon; /*!< Longitude [rad] */
+	public $alt; /*!< Altitude [km] */
+	public $theta;
 }

require/libs/Predict/Predict/SGSDPStatic.php

Indentation +28 added lines, -28 removed lines

@@ -8,32 +8,32 @@
  */
 class Predict_SGSDPStatic
 {
-    public $aodp;
-    public $aycof;
-    public $c1;
-    public $c4;
-    public $c5;
-    public $cosio;
-    public $d2;
-    public $d3;
-    public $d4;
-    public $delmo;
-    public $omgcof;
-    public $eta;
-    public $omgdot;
-    public $sinio;
-    public $xnodp;
-    public $sinmo;
-    public $t2cof;
-    public $t3cof;
-    public $t4cof;
-    public $t5cof;
-    public $x1mth2;
-    public $x3thm1;
-    public $x7thm1;
-    public $xmcof;
-    public $xmdot;
-    public $xnodcf;
-    public $xnodot;
-    public $xlcof;
+	public $aodp;
+	public $aycof;
+	public $c1;
+	public $c4;
+	public $c5;
+	public $cosio;
+	public $d2;
+	public $d3;
+	public $d4;
+	public $delmo;
+	public $omgcof;
+	public $eta;
+	public $omgdot;
+	public $sinio;
+	public $xnodp;
+	public $sinmo;
+	public $t2cof;
+	public $t3cof;
+	public $t4cof;
+	public $t5cof;
+	public $x1mth2;
+	public $x3thm1;
+	public $x7thm1;
+	public $xmcof;
+	public $xmdot;
+	public $xnodcf;
+	public $xnodot;
+	public $xlcof;
 }

require/libs/Predict/Predict/QTH.php

Indentation +9 added lines, -9 removed lines

@@ -7,14 +7,14 @@
  */
 class Predict_QTH
 {
-     public $name;   /*!< Name, eg. callsign. */
-     public $loc;    /*!< Location, eg City, Country. */
-     public $desc;   /*!< Short description. */
-     public $lat;    /*!< Latitude in dec. deg. North. */
-     public $lon;    /*!< Longitude in dec. deg. East. */
-     public $alt;    /*!< Altitude above sea level in meters. */
-     public $qra;    /*!< QRA locator */
-     public $wx;     /*!< Weather station code (4 chars). */
+	 public $name;   /*!< Name, eg. callsign. */
+	 public $loc;    /*!< Location, eg City, Country. */
+	 public $desc;   /*!< Short description. */
+	 public $lat;    /*!< Latitude in dec. deg. North. */
+	 public $lon;    /*!< Longitude in dec. deg. East. */
+	 public $alt;    /*!< Altitude above sea level in meters. */
+	 public $qra;    /*!< QRA locator */
+	 public $wx;     /*!< Weather station code (4 chars). */
 
-     public $data;   /*!< Raw data from cfg file. */
+	 public $data;   /*!< Raw data from cfg file. */
 }

Spacing +9 added lines, -9 removed lines

@@ -7,14 +7,14 @@
  */
 class Predict_QTH
 {
-     public $name;   /*!< Name, eg. callsign. */
-     public $loc;    /*!< Location, eg City, Country. */
-     public $desc;   /*!< Short description. */
-     public $lat;    /*!< Latitude in dec. deg. North. */
-     public $lon;    /*!< Longitude in dec. deg. East. */
-     public $alt;    /*!< Altitude above sea level in meters. */
-     public $qra;    /*!< QRA locator */
-     public $wx;     /*!< Weather station code (4 chars). */
+     public $name; /*!< Name, eg. callsign. */
+     public $loc; /*!< Location, eg City, Country. */
+     public $desc; /*!< Short description. */
+     public $lat; /*!< Latitude in dec. deg. North. */
+     public $lon; /*!< Longitude in dec. deg. East. */
+     public $alt; /*!< Altitude above sea level in meters. */
+     public $qra; /*!< QRA locator */
+     public $wx; /*!< Weather station code (4 chars). */
 
-     public $data;   /*!< Raw data from cfg file. */
+     public $data; /*!< Raw data from cfg file. */
 }