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

LWGEOM * lwgeom_simplify ( const LWGEOM igeom,
double  dist,
int  preserve_collapsed 
)

Simplification.

Definition at line 1848 of file lwgeom.c.

1849{
1850 LWGEOM *lwgeom_out = lwgeom_clone_deep(igeom);
1851 lwgeom_simplify_in_place(lwgeom_out, dist, preserve_collapsed);
1852 if (lwgeom_is_empty(lwgeom_out))
1853 {
1854 lwgeom_free(lwgeom_out);
1855 return NULL;
1856 }
1857 return lwgeom_out;
1858}
void lwgeom_free(LWGEOM *lwgeom)
Definition lwgeom.c:1138
int lwgeom_simplify_in_place(LWGEOM *geom, double epsilon, int preserve_collapsed)
Definition lwgeom.c:1715
LWGEOM * lwgeom_clone_deep(const LWGEOM *lwgeom)
Deep-clone an LWGEOM object.
Definition lwgeom.c:511
static int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members)
Definition lwinline.h:193

References lwgeom_clone_deep(), lwgeom_free(), lwgeom_is_empty(), and lwgeom_simplify_in_place().

Referenced by test_lwgeom_simplify(), and test_misc_simplify().

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