PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ BOX3D_construct()

Datum BOX3D_construct ( PG_FUNCTION_ARGS  )

Definition at line 551 of file lwgeom_box3d.c.

552 {
553  GSERIALIZED *min = PG_GETARG_GSERIALIZED_P(0);
554  GSERIALIZED *max = PG_GETARG_GSERIALIZED_P(1);
555  BOX3D *result = palloc(sizeof(BOX3D));
556  LWGEOM *minpoint, *maxpoint;
557  POINT3DZ minp, maxp;
558 
559  minpoint = lwgeom_from_gserialized(min);
560  maxpoint = lwgeom_from_gserialized(max);
561 
562  if (minpoint->type != POINTTYPE || maxpoint->type != POINTTYPE)
563  {
564  elog(ERROR, "BOX3D_construct: args must be points");
565  PG_RETURN_NULL();
566  }
567 
568  if (lwgeom_is_empty(minpoint) || lwgeom_is_empty(maxpoint) ){
569  elog(ERROR, "BOX3D_construct: args can not be empty points");
570  PG_RETURN_NULL();
571  }
572 
573  gserialized_error_if_srid_mismatch(min, max, __func__);
574 
575  getPoint3dz_p(((LWPOINT *)minpoint)->point, 0, &minp);
576  getPoint3dz_p(((LWPOINT *)maxpoint)->point, 0, &maxp);
577 
578  result->xmax = maxp.x;
579  result->ymax = maxp.y;
580  result->zmax = maxp.z;
581 
582  result->xmin = minp.x;
583  result->ymin = minp.y;
584  result->zmin = minp.z;
585 
586  result->srid = minpoint->srid;
587 
588  PG_RETURN_POINTER(result);
589 }
void gserialized_error_if_srid_mismatch(const GSERIALIZED *g1, const GSERIALIZED *g2, const char *funcname)
Definition: gserialized.c:404
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:116
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:193
double xmax
Definition: liblwgeom.h:326
double zmin
Definition: liblwgeom.h:325
double ymax
Definition: liblwgeom.h:326
double ymin
Definition: liblwgeom.h:325
double zmax
Definition: liblwgeom.h:326
double xmin
Definition: liblwgeom.h:325
int32_t srid
Definition: liblwgeom.h:327
uint8_t type
Definition: liblwgeom.h:448
int32_t srid
Definition: liblwgeom.h:446
double z
Definition: liblwgeom.h:382
double x
Definition: liblwgeom.h:382
double y
Definition: liblwgeom.h:382

References getPoint3dz_p(), gserialized_error_if_srid_mismatch(), lwgeom_from_gserialized(), lwgeom_is_empty(), POINTTYPE, BOX3D::srid, LWGEOM::srid, LWGEOM::type, POINT3DZ::x, BOX3D::xmax, BOX3D::xmin, POINT3DZ::y, BOX3D::ymax, BOX3D::ymin, POINT3DZ::z, BOX3D::zmax, and BOX3D::zmin.

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