PostGIS  2.3.8dev-r@@SVN_REVISION@@

◆ ptarray_set_point4d()

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

Definition at line 549 of file lwgeom_api.c.

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

Referenced by circstring_from_pa(), linestring_from_pa(), lwcircstring_setPoint4d(), LWGEOM_line_interpolate_point(), lwgeom_project_spheroid(), lwgeom_split_wrapx(), lwgeom_wrapx(), lwline_clip_to_ordinate_range(), lwline_from_lwmpoint(), lwline_measured_from_lwline(), lwline_setPoint4d(), lwpointiterator_modify_next(), lwt_AddPoint(), 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().

550 {
551  uint8_t *ptr;
552  assert(n >= 0 && n < pa->npoints);
553  ptr=getPoint_internal(pa, n);
554  switch ( FLAGS_GET_ZM(pa->flags) )
555  {
556  case 3:
557  memcpy(ptr, p4d, sizeof(POINT4D));
558  break;
559  case 2:
560  memcpy(ptr, p4d, sizeof(POINT3DZ));
561  break;
562  case 1:
563  memcpy(ptr, p4d, sizeof(POINT2D));
564  ptr+=sizeof(POINT2D);
565  memcpy(ptr, &(p4d->m), sizeof(double));
566  break;
567  case 0:
568  memcpy(ptr, p4d, sizeof(POINT2D));
569  break;
570  }
571 }
double m
Definition: liblwgeom.h:351
#define FLAGS_GET_ZM(flags)
Definition: liblwgeom.h:152
uint8_t flags
Definition: liblwgeom.h:368
uint8_t * getPoint_internal(const POINTARRAY *pa, int n)
Definition: ptarray.c:1713
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