text: #ifndef _VECDATA_H
  #define _VECDATA_H
  
  /*
     $Log: vecdata.h,v $
     Revision 1.2  2003/11/25 01:30:00  ccrook
     Updated SNAP to allow calculation of projection bearings in coordinate
     systems other than that of the coordinate file
  
     Revision 1.1  1996/01/03 22:13:59  CHRIS
     Initial revision
  
  */
  
  #ifndef _LOADDATA_H
  #include "snapdata/loaddata.h"
  #endif
  
  #ifndef _BINDATA2_H
  #include "bindata2.h"
  #endif
  
  /* Define whether midpoint used to define gps vertical, or topocentre used */
  
  void list_vecdata( FILE *out, survdata  *v ) ;
  void apply_vecdata_options( survdata *v );
  int vecdata_obseq( survdata  *v, void *hA, int nextra ) ;
  void calc_vecdata_residuals( survdata  *v, lsdata *l );
  void list_vecdata_residuals( FILE *out, survdata  *v, double semult);
  
  #endif
  