Method: RGeo::Geos::CAPIGeometryMethods#overlaps?

Defined in:
ext/geos_c_impl/geometry.c

#overlaps?(rhs) ⇒ Boolean

Returns:

  • (Boolean) 


625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
 
# File 'ext/geos_c_impl/geometry.c', line 625

static VALUE
method_geometry_overlaps(VALUE self, VALUE rhs)
{
  VALUE result;
  RGeo_GeometryData* self_data;
  const GEOSGeometry* self_geom;
  const GEOSGeometry* rhs_geom;
  char val;
  int state = 0;
#ifdef RGEO_GEOS_SUPPORTS_PREPARED2
  const GEOSPreparedGeometry* prep;
#endif

  result = Qnil;
  self_data = RGEO_GEOMETRY_DATA_PTR(self);
  self_geom = self_data->geom;
  if (self_geom) {
    rhs_geom =
      rgeo_convert_to_geos_geometry(self_data->factory, rhs, Qnil, &state);
    if (state) {
      rb_jump_tag(state);
    }
#ifdef RGEO_GEOS_SUPPORTS_PREPARED2
    prep = rgeo_request_prepared_geometry(self_data);
    if (prep)
      val = GEOSPreparedOverlaps(prep, rhs_geom);
    else
#endif
      val = GEOSOverlaps(self_geom, rhs_geom);
    if (val == 0) {
      result = Qfalse;
    } else if (val == 1) {
      result = Qtrue;
    }
  }
  return result;
}