PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ lw_dist2d_tri_circstring()

int lw_dist2d_tri_circstring ( LWTRIANGLE tri,
LWCIRCSTRING line,
DISTPTS dl 
)

Definition at line 941 of file measures.c.

942 {
943  const POINT2D *pt = lw_curvering_getfirstpoint2d_cp((LWGEOM *)line);
944  if (ptarray_contains_point(tri->points, pt) != LW_OUTSIDE && dl->mode == DIST_MIN)
945  {
946  lw_dist2d_distpts_set(dl, 0.0, pt, pt);
947  return LW_TRUE;
948  }
949 
950  return lw_dist2d_ptarray_ptarrayarc(tri->points, line->points, dl);
951 }
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:107
int ptarray_contains_point(const POINTARRAY *pa, const POINT2D *pt)
Return 1 if the point is inside the POINTARRAY, -1 if it is outside, and 0 if it is on the boundary.
Definition: ptarray.c:740
#define LW_OUTSIDE
static void lw_dist2d_distpts_set(DISTPTS *dl, double distance, const POINT2D *p1, const POINT2D *p2)
Definition: measures.c:78
static const POINT2D * lw_curvering_getfirstpoint2d_cp(LWGEOM *geom)
Definition: measures.c:878
int lw_dist2d_ptarray_ptarrayarc(const POINTARRAY *pa, const POINTARRAY *pb, DISTPTS *dl)
Test each segment of pa against each arc of pb for distance.
Definition: measures.c:1235
#define DIST_MIN
Definition: measures.h:44
int mode
Definition: measures.h:54
POINTARRAY * points
Definition: liblwgeom.h:521
POINTARRAY * points
Definition: liblwgeom.h:509

References DIST_MIN, lw_curvering_getfirstpoint2d_cp(), lw_dist2d_distpts_set(), lw_dist2d_ptarray_ptarrayarc(), LW_OUTSIDE, LW_TRUE, DISTPTS::mode, LWTRIANGLE::points, LWCIRCSTRING::points, and ptarray_contains_point().

Referenced by lw_dist2d_distribute_bruteforce().

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