track_loader.bi

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type as single float '!!



CONST AS DOUBLE _

  NaN = 0.0/0.0 _      
, LN2 = LOG(2) _       
, PI = 4 * atn(1) _    
, PIx2 = PI * 2 _      
, PId2 = PI / 2 _      
, Deg2Rad = PI / 180 _ 
, Rad2Deg = 180 / PI _ 
, ERA = 3443.89849 * 1852 




TYPE TrP

  AS DOUBLE _

    Tim   
  AS float _

    Lat _ 
  , Lon _ 
  , Ele _ 
  , Spd _ 
  , Ang   
  AS LONG _

    Xpix _ 
  , Ypix   
END TYPE







TYPE TrackLoader

  AS ZSTRING PTR _

    Errr   
  AS TrP PTR _

    V      
  AS TrP _

    Mx _   
  , Mn     
  AS INTEGER _

    Byt _      
  , Siz = 0    
  AS LONG _

    Tmp  _     
  , Cur _      
  , Az  = -1 _ 
  , UsZo =-1 _ 
  , CoZo     _ 
  , Co_X _     
  , Co_Y       
  AS float _

    UsLo _      
  , UsLa _      
  , CoLo _      
  , CoLa        
  AS STRING _

    Path _     
  , Desc       
  AS UBYTE PTR _

    Buff       
  DECLARE CONSTRUCTOR(BYVAL AS CONST ZSTRING PTR = 0)

  DECLARE DESTRUCTOR()

  DECLARE FUNCTION Dist(BYVAL AS ULONG, BYVAL AS ULONG) AS DOUBLE

  DECLARE PROPERTY LTrk() AS float

  DECLARE PROPERTY ASpd() AS float

  DECLARE FUNCTION Pixel(BYVAL AS LONG, BYVAL AS LONG, BYVAL AS LONG)AS BYTE

  DECLARE FUNCTION SkipOut(BYVAL Typ AS LONG, BYVAL Di AS float)AS LONG

  DECLARE      SUB MapCenter(BYVAL W AS LONG, BYVAL H AS LONG)

  DECLARE FUNCTION Nearest(BYVAL AS float, BYVAL AS float)AS float

END TYPE



DECLARE FUNCTION latlon2zoom( _

  BYVAL AS LONG _

, BYVAL AS LONG _

, BYVAL AS float _

, BYVAL AS float _

, BYVAL AS float _

, BYVAL AS float) AS LONG