PostGIS  2.2.7dev-r@@SVN_REVISION@@
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 302 of file measures3d.c.

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().

303 {
304  if(!lwgeom_has_z(lw1) || !lwgeom_has_z(lw2))
305  {
306  lwnotice("One or both of the geometries is missing z-value. The unknown z-value will be regarded as \"any value\"");
307  return lwgeom_maxdistance2d_tolerance(lw1, lw2, tolerance);
308  }
309  /*double thedist;*/
310  DISTPTS3D thedl;
311  LWDEBUG(2, "lwgeom_maxdistance3d_tolerance is called");
312  thedl.mode = DIST_MAX;
313  thedl.distance= -1;
314  thedl.tolerance = tolerance;
315  if (lw_dist3d_recursive(lw1, lw2, &thedl))
316  {
317  return thedl.distance;
318  }
319  /*should never get here. all cases ought to be error handled earlier*/
320  lwerror("Some unspecified error.");
321  return -1;
322 }
double distance
Definition: measures3d.h:27
void lwnotice(const char *fmt,...)
Write a notice out to the notice handler.
Definition: lwutil.c:61
double lwgeom_maxdistance2d_tolerance(const LWGEOM *lw1, const LWGEOM *lw2, double tolerance)
Function handling max distance calculations and dfyllywithin calculations.
Definition: measures.c:167
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:50
Structure used in distance-calculations.
Definition: measures3d.h:25
int lwgeom_has_z(const LWGEOM *geom)
Return LW_TRUE if geometry has Z ordinates.
Definition: lwgeom.c:836
int mode
Definition: measures3d.h:30
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:375
double tolerance
Definition: measures3d.h:32
#define DIST_MAX
Definition: measures.h:16
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:74

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