PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ lwpoint_make3dm()

LWPOINT * lwpoint_make3dm ( int32_t  srid,
double  x,
double  y,
double  m 
)
extern

Definition at line 184 of file lwpoint.c.

185{
186 POINT4D p = {x, y, 0.0, m};
187 POINTARRAY *pa = ptarray_construct_empty(0, 1, 1);
188
189 ptarray_append_point(pa, &p, LW_TRUE);
190
191 return lwpoint_construct(srid, NULL, pa);
192}
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:107
lwpoint_construct
LWPOINT * lwpoint_construct(int32_t srid, GBOX *bbox, POINTARRAY *point)
Definition lwpoint.c:129

References LW_TRUE, lwpoint_construct(), ptarray_append_point(), and ptarray_construct_empty().

Referenced by LWGEOM_makepoint3dm().

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