PostGIS  2.5.2dev-r@@SVN_REVISION@@

◆ ptarray_set_point4d()

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

Definition at line 435 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().

436 {
437  uint8_t *ptr;
438  assert(n < pa->npoints);
439  ptr=getPoint_internal(pa, n);
440  switch ( FLAGS_GET_ZM(pa->flags) )
441  {
442  case 3:
443  memcpy(ptr, p4d, sizeof(POINT4D));
444  break;
445  case 2:
446  memcpy(ptr, p4d, sizeof(POINT3DZ));
447  break;
448  case 1:
449  memcpy(ptr, p4d, sizeof(POINT2D));
450  ptr+=sizeof(POINT2D);
451  memcpy(ptr, &(p4d->m), sizeof(double));
452  break;
453  case 0:
454  memcpy(ptr, p4d, sizeof(POINT2D));
455  break;
456  }
457 }
double m
Definition: liblwgeom.h:355
#define FLAGS_GET_ZM(flags)
Definition: liblwgeom.h:153
uint8_t flags
Definition: liblwgeom.h:372
uint8_t * getPoint_internal(const POINTARRAY *pa, uint32_t n)
Definition: ptarray.c:1750
unsigned char uint8_t
Definition: uthash.h:79
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