PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ lwpoint_make4d()

LWPOINT* lwpoint_make4d ( int32_t  srid,
double  x,
double  y,
double  z,
double  m 
)

Definition at line 195 of file lwpoint.c.

196 {
197  POINT4D p = {x, y, z, m};
198  POINTARRAY *pa = ptarray_construct_empty(1, 1, 1);
199 
200  ptarray_append_point(pa, &p, LW_TRUE);
201 
202  return lwpoint_construct(srid, NULL, pa);
203 }
ptarray_construct_empty
POINTARRAY * ptarray_construct_empty(char hasz, char hasm, uint32_t maxpoints)
Create a new POINTARRAY with no points.
Definition: ptarray.c:59
ptarray_append_point
int ptarray_append_point(POINTARRAY *pa, const POINT4D *pt, int allow_duplicates)
Append a point to the end of an existing POINTARRAY If allow_duplicate is LW_FALSE,...
Definition: ptarray.c:147
LW_TRUE
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:93
lwpoint_construct
LWPOINT * lwpoint_construct(int32_t srid, GBOX *bbox, POINTARRAY *point)
Definition: lwpoint.c:129

References LW_TRUE, lwpoint_construct(), ptarray_append_point(), ptarray_construct_empty(), pixval::x, and pixval::y.

Referenced by LWGEOM_makepoint(), and ST_PointZM().

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