PostGIS  2.5.7dev-r@@SVN_REVISION@@

◆ _lwt_minTolerance()

static double _lwt_minTolerance ( LWGEOM g)
static

Definition at line 4859 of file lwgeom_topo.c.

4860 {
4861  const GBOX* gbox;
4862  double max;
4863  double ret;
4864 
4865  gbox = lwgeom_get_bbox(g);
4866  if ( ! gbox ) return 0; /* empty */
4867  max = FP_ABS(gbox->xmin);
4868  if ( max < FP_ABS(gbox->xmax) ) max = FP_ABS(gbox->xmax);
4869  if ( max < FP_ABS(gbox->ymin) ) max = FP_ABS(gbox->ymin);
4870  if ( max < FP_ABS(gbox->ymax) ) max = FP_ABS(gbox->ymax);
4871 
4872  ret = _lwt_minToleranceDouble(max);
4873 
4874  return ret;
4875 }
const GBOX * lwgeom_get_bbox(const LWGEOM *lwgeom)
Get a non-empty geometry bounding box, computing and caching it if not already there.
Definition: lwgeom.c:734
#define FP_ABS(a)
static double _lwt_minToleranceDouble(double d)
Definition: lwgeom_topo.c:4838
double ymax
Definition: liblwgeom.h:298
double xmax
Definition: liblwgeom.h:296
double ymin
Definition: liblwgeom.h:297
double xmin
Definition: liblwgeom.h:295

References _lwt_minToleranceDouble(), FP_ABS, lwgeom_get_bbox(), GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by _lwt_AddLineEdge(), and _lwt_AddPoint().

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