PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ BOX3D_construct()

Datum BOX3D_construct ( PG_FUNCTION_ARGS  )

Definition at line 559 of file lwgeom_box3d.c.

560 {
561  GSERIALIZED *min = PG_GETARG_GSERIALIZED_P(0);
562  GSERIALIZED *max = PG_GETARG_GSERIALIZED_P(1);
563  BOX3D *result = palloc(sizeof(BOX3D));
564  LWGEOM *minpoint, *maxpoint;
565  POINT3DZ minp, maxp;
566 
567  minpoint = lwgeom_from_gserialized(min);
568  maxpoint = lwgeom_from_gserialized(max);
569 
570  if (minpoint->type != POINTTYPE || maxpoint->type != POINTTYPE)
571  {
572  elog(ERROR, "BOX3D_construct: args must be points");
573  PG_RETURN_NULL();
574  }
575 
576  if (lwgeom_is_empty(minpoint) || lwgeom_is_empty(maxpoint) ){
577  elog(ERROR, "BOX3D_construct: args can not be empty points");
578  PG_RETURN_NULL();
579  }
580 
581  gserialized_error_if_srid_mismatch(min, max, __func__);
582 
583  getPoint3dz_p(((LWPOINT *)minpoint)->point, 0, &minp);
584  getPoint3dz_p(((LWPOINT *)maxpoint)->point, 0, &maxp);
585 
586  result->xmax = maxp.x;
587  result->ymax = maxp.y;
588  result->zmax = maxp.z;
589 
590  result->xmin = minp.x;
591  result->ymin = minp.y;
592  result->zmin = minp.z;
593 
594  result->srid = minpoint->srid;
595 
596  PG_RETURN_POINTER(result);
597 }
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:262
void gserialized_error_if_srid_mismatch(const GSERIALIZED *g1, const GSERIALIZED *g2, const char *funcname)
Definition: gserialized.c:403
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:102
int getPoint3dz_p(const POINTARRAY *pa, uint32_t n, POINT3DZ *point)
Definition: lwgeom_api.c:215
static int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members)
Definition: lwinline.h:203
uint8_t type
Definition: liblwgeom.h:462
int32_t srid
Definition: liblwgeom.h:460
double z
Definition: liblwgeom.h:396
double x
Definition: liblwgeom.h:396
double y
Definition: liblwgeom.h:396

References getPoint3dz_p(), gserialized_error_if_srid_mismatch(), lwgeom_from_gserialized(), lwgeom_is_empty(), POINTTYPE, result, LWGEOM::srid, LWGEOM::type, POINT3DZ::x, POINT3DZ::y, and POINT3DZ::z.

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