PostGIS  2.5.0rc1-r@@SVN_REVISION@@

◆ ptarray_set_point4d()

void ptarray_set_point4d ( POINTARRAY pa,
uint32_t  n,
const POINT4D p4d 
)

Definition at line 425 of file lwgeom_api.c.

References POINTARRAY::flags, FLAGS_GET_ZM, getPoint_internal(), and POINT4D::m.

Referenced by _lwt_AddPoint(), _lwt_FindFaceContainingRing(), circstring_from_pa(), linestring_from_pa(), lwcircstring_setPoint4d(), lwgeom_project_spheroid(), lwgeom_split_wrapx(), lwgeom_wrapx(), lwline_clip_to_ordinate_range(), lwline_from_lwmpoint(), lwline_interpolate_points(), lwline_measured_from_lwline(), lwline_setPoint4d(), lwpointiterator_modify_next(), ptarray_affine(), ptarray_flip_coordinates(), ptarray_force_geodetic(), ptarray_from_GEOSCoordSeq(), ptarray_from_SFCGAL(), ptarray_insert_point(), ptarray_nudge_geodetic(), ptarray_scale(), ptarray_swap_ordinates(), ptarray_transform(), rt_raster_get_convex_hull(), rt_raster_get_envelope_geom(), rt_raster_get_perimeter(), rt_raster_pixel_as_polygon(), rt_util_envelope_to_lwpoly(), test_lwline_clip_big(), and test_lwline_crossing_short_lines().

426 {
427  uint8_t *ptr;
428  assert(n < pa->npoints);
429  ptr=getPoint_internal(pa, n);
430  switch ( FLAGS_GET_ZM(pa->flags) )
431  {
432  case 3:
433  memcpy(ptr, p4d, sizeof(POINT4D));
434  break;
435  case 2:
436  memcpy(ptr, p4d, sizeof(POINT3DZ));
437  break;
438  case 1:
439  memcpy(ptr, p4d, sizeof(POINT2D));
440  ptr+=sizeof(POINT2D);
441  memcpy(ptr, &(p4d->m), sizeof(double));
442  break;
443  case 0:
444  memcpy(ptr, p4d, sizeof(POINT2D));
445  break;
446  }
447 }
double m
Definition: liblwgeom.h:354
#define FLAGS_GET_ZM(flags)
Definition: liblwgeom.h:152
uint8_t flags
Definition: liblwgeom.h:371
uint8_t * getPoint_internal(const POINTARRAY *pa, uint32_t n)
Definition: ptarray.c:1743
unsigned char uint8_t
Definition: uthash.h:79
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