PostGIS  2.5.7dev-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 2472 of file lwgeom.c.

2473 {
2474  int type = geom->type;
2476  if( type != LINETYPE )
2477  {
2478  lwnotice("Geometry is not a LINESTRING");
2479  return LW_FALSE;
2480  }
2481  return lwline_is_trajectory((LWLINE*)geom);
2482 }
#define LW_FALSE
Definition: liblwgeom.h:77
#define LINETYPE
Definition: liblwgeom.h:86
int lwline_is_trajectory(const LWLINE *geom)
Definition: lwline.c:463
void lwnotice(const char *fmt,...)
Write a notice out to the notice handler.
Definition: lwutil.c:177
uint8_t type
Definition: liblwgeom.h:399

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

Referenced by ST_IsValidTrajectory(), and test_lwgeom_is_trajectory().

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