PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ lw_dist3d_line_tri()

int lw_dist3d_line_tri ( LWLINE line,
LWTRIANGLE tri,
DISTPTS3D dl 
)

line to triangle calculation

Definition at line 820 of file measures3d.c.

821 {
822  PLANE3D plane;
823 
824  if (dl->mode == DIST_MAX)
825  return lw_dist3d_ptarray_ptarray(line->points, tri->points, dl);
826 
827  /* if triangle does not define a plane: Return distance line to line */
828  if (!define_plane(tri->points, &plane))
829  return lw_dist3d_ptarray_ptarray(line->points, tri->points, dl);
830 
831  return lw_dist3d_ptarray_tri(line->points, tri, &plane, dl);
832 }
int define_plane(POINTARRAY *pa, PLANE3D *pl)
Definition: measures3d.c:1451
int lw_dist3d_ptarray_tri(POINTARRAY *pa, LWTRIANGLE *tri, PLANE3D *plane, DISTPTS3D *dl)
Computes pointarray to triangle distance.
Definition: measures3d.c:1373
int lw_dist3d_ptarray_ptarray(POINTARRAY *l1, POINTARRAY *l2, DISTPTS3D *dl)
Finds all combinations of segments between two pointarrays.
Definition: measures3d.c:1088
#define DIST_MAX
Definition: measures.h:43
int mode
Definition: measures3d.h:43
POINTARRAY * points
Definition: liblwgeom.h:469
POINTARRAY * points
Definition: liblwgeom.h:481

References define_plane(), DIST_MAX, lw_dist3d_ptarray_ptarray(), lw_dist3d_ptarray_tri(), DISTPTS3D::mode, LWLINE::points, and LWTRIANGLE::points.

Referenced by lw_dist3d_distribute_bruteforce().

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