PostGIS  2.3.7dev-r@@SVN_REVISION@@

◆ lwgeom_is_trajectory()

int lwgeom_is_trajectory ( const LWGEOM geom)

Return LW_TRUE or LW_FALSE depending on whether or not a geometry is a linestring with measure value growing from start to end vertex.

Definition at line 2049 of file lwgeom.c.

References LINETYPE, LW_FALSE, lwline_is_trajectory(), lwnotice(), ovdump::type, and LWGEOM::type.

Referenced by ST_IsValidTrajectory(), and test_lwgeom_is_trajectory().

2050 {
2051  int type = geom->type;
2053  if( type != LINETYPE )
2054  {
2055  lwnotice("Geometry is not a LINESTRING");
2056  return LW_FALSE;
2057  }
2058  return lwline_is_trajectory((LWLINE*)geom);
2059 }
#define LINETYPE
Definition: liblwgeom.h:85
void lwnotice(const char *fmt,...)
Write a notice out to the notice handler.
Definition: lwutil.c:89
int lwline_is_trajectory(const LWLINE *geom)
Definition: lwline.c:477
#define LW_FALSE
Definition: liblwgeom.h:76
uint8_t type
Definition: liblwgeom.h:395
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