tnpoint_spatialfuncs.h

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#ifndef __TNPOINT_SPATIALFUNCS_H__
#define __TNPOINT_SPATIALFUNCS_H__
 
/* PostgreSQL */
#include <postgres.h>
/* MEOS */
#include "general/temporal.h"
#include "npoint/tnpoint_static.h"
 
/*****************************************************************************/
 
/* Parameter tests */
 
extern void ensure_same_srid_tnpoint_stbox(const Temporal *temp,
  const STBox *box);
extern void ensure_same_rid_tnpointinst(const TInstant *inst1,
  const TInstant *inst2);
 
/* Interpolation functions */
 
extern bool tnpointsegm_intersection_value(const TInstant *inst1,
  const TInstant *inst2, Datum value, TimestampTz *t);
 
/* Functions for spatial reference systems */
 
extern int tnpointinst_srid(const TInstant *inst);
extern int tnpoint_srid(const Temporal *temp);
extern GSERIALIZED *tnpointinst_geom(const TInstant *inst);
extern GSERIALIZED *tnpointseq_geom(const TSequence *seq);
extern GSERIALIZED *tnpointseqset_geom(const TSequenceSet *ts);
extern GSERIALIZED *tnpoint_geom(const Temporal *temp);
 
extern bool npoint_same(const Npoint *np1, const Npoint *np2);
 
extern double tnpoint_length(const Temporal *temp);
extern Temporal *tnpoint_cumulative_length(const Temporal *temp);
extern Temporal *tnpoint_speed(const Temporal *temp);
extern Datum tnpoint_twcentroid(const Temporal *temp);
extern Temporal *tnpoint_azimuth(const Temporal *temp);
extern Temporal *tnpoint_restrict_geometry(const Temporal *temp,
  const GSERIALIZED *gs, bool atfunc);
 
/*****************************************************************************/
 
#endif /* __TNPOINT_SPATIALFUNCS_H__ */