PostGIS  2.5.0dev-r@@SVN_REVISION@@
int gbox_overlaps_2d ( const GBOX g1,
const GBOX g2 
)

Return LW_TRUE if the GBOX overlaps on the 2d plane, LW_FALSE otherwise.

Definition at line 330 of file g_box.c.

References GBOX::flags, FLAGS_GET_GEODETIC, LW_FALSE, LW_TRUE, lwerror(), GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by crosses(), disjoint(), geos_intersects(), mvt_geom(), overlaps(), ST_ClipByBox2d(), and touches().

331 {
332 
333  /* Make sure our boxes are consistent */
335  lwerror("gbox_overlaps: cannot compare geodetic and non-geodetic boxes");
336 
337  /* Check X/Y first */
338  if ( g1->xmax < g2->xmin || g1->ymax < g2->ymin ||
339  g1->xmin > g2->xmax || g1->ymin > g2->ymax )
340  return LW_FALSE;
341 
342  return LW_TRUE;
343 }
#define FLAGS_GET_GEODETIC(flags)
Definition: liblwgeom.h:142
double xmax
Definition: liblwgeom.h:292
double ymin
Definition: liblwgeom.h:293
double xmin
Definition: liblwgeom.h:291
#define LW_FALSE
Definition: liblwgeom.h:76
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:75
double ymax
Definition: liblwgeom.h:294
uint8_t flags
Definition: liblwgeom.h:290
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190

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