PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ lwpoint_get_x()

double lwpoint_get_x ( const LWPOINT point)

Definition at line 50 of file lwpoint.c.

References getPoint4d_p(), lwerror(), lwpoint_is_empty(), LWPOINT::point, and POINT4D::x.

Referenced by BOX2D_construct(), geometry_to_point(), lwgeom_azumith_spheroid(), and lwgeom_project_spheroid().

51 {
52  POINT4D pt;
53  if ( lwpoint_is_empty(point) )
54  lwerror("lwpoint_get_x called with empty geometry");
55  getPoint4d_p(point->point, 0, &pt);
56  return pt.x;
57 }
double x
Definition: liblwgeom.h:336
Definition: liblwgeom.h:395
int lwpoint_is_empty(const LWPOINT *point)
Definition: lwpoint.c:260
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:74
int getPoint4d_p(const POINTARRAY *pa, int n, POINT4D *point)
Definition: lwgeom_api.c:231
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