ZSeismicStream.H

/* ZSeismicStream.H */
/* $Id: ZSeismicStream.H,v 1.3 2003/10/14 11:28:15 vlad Exp $ */
#ifndef __ZSeismicStream_H
#define __ZSeismicStream_H

#include <zm/ZCoordObjStream.H>
#include <zm/ZTracePar.H>
#include <ldb/vsp_trace.h>


/***********************************************************************
 * Abstract class for stream of items ordered by some coordinate.
 * Several items may have the same coordinate (so called 'ensemble').
 ***********************************************************************/
class ZSeismicStream : public ZCoordObjStream
{
public:

  virtual void  set_custom_taid (TraceAttrId coord_taid,
                 Compar order = ASCENT_ORDER);

  virtual void  set_secondary_taid (TraceAttrId secondary_taid,
                    Compar order = ASCENT_ORDER);

  virtual void  set_tertiary_taid (TraceAttrId tertiary_taid,
                   Compar order = ASCENT_ORDER);

  virtual const ZTracePar&  operator() () const = 0;

  /*
   * Iterator methods.
   */

  virtual float*    trace_body (int ens_index = 0) = 0;

  virtual ZTracePar trace_par (int ens_index = 0) const = 0;

  virtual long      trace_id (int ens_index = 0) const = 0;

};


#endif /* ZSeismicStream.H */