PostGIS  3.7.0dev-r@@SVN_REVISION@@

◆ lwgeom_maxdistance3d_tolerance()

double lwgeom_maxdistance3d_tolerance ( const LWGEOM lw1,
const LWGEOM lw2,
double  tolerance 
)

Function handling 3d max distance calculations and dfullywithin calculations.

The difference is just the tolerance.

Definition at line 344 of file measures3d.c.

345 {
346  if (!lwgeom_has_z(lw1) || !lwgeom_has_z(lw2))
347  {
348  lwnotice(
349  "One or both of the geometries is missing z-value. The unknown z-value will be regarded as \"any value\"");
350  return lwgeom_maxdistance2d_tolerance(lw1, lw2, tolerance);
351  }
352  DISTPTS3D thedl;
353  LWDEBUG(2, "lwgeom_maxdistance3d_tolerance is called");
354  thedl.mode = DIST_MAX;
355  thedl.distance = -1;
356  thedl.tolerance = tolerance;
357  if (lw_dist3d_recursive(lw1, lw2, &thedl))
358  return thedl.distance;
359 
360  /* should never get here. all cases ought to be error handled earlier */
361  lwerror("Some unspecified error.");
362  return -1;
363 }
int lwgeom_has_z(const LWGEOM *geom)
Return LW_TRUE if geometry has Z ordinates.
Definition: lwgeom.c:934
double lwgeom_maxdistance2d_tolerance(const LWGEOM *lw1, const LWGEOM *lw2, double tolerance)
Function handling max distance calculations and dfullywithin calculations.
Definition: measures.c:180
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:101
void lwnotice(const char *fmt,...) __attribute__((format(printf
Write a notice out to the notice handler.
void void lwerror(const char *fmt,...) __attribute__((format(printf
Write a notice out to the error handler.
int lw_dist3d_recursive(const LWGEOM *lwg1, const LWGEOM *lwg2, DISTPTS3D *dl)
This is a recursive function delivering every possible combination of subgeometries.
Definition: measures3d.c:519
#define DIST_MAX
Definition: measures.h:43
double distance
Definition: measures3d.h:40
int mode
Definition: measures3d.h:43
double tolerance
Definition: measures3d.h:47
Structure used in distance-calculations.
Definition: measures3d.h:39

References DIST_MAX, DISTPTS3D::distance, lw_dist3d_recursive(), LWDEBUG, lwerror(), lwgeom_has_z(), lwgeom_maxdistance2d_tolerance(), lwnotice(), DISTPTS3D::mode, and DISTPTS3D::tolerance.

Referenced by LWGEOM_dfullywithin3d(), and lwgeom_maxdistance3d().

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