PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ test_lwgeom_delaunay_triangulation()

static void test_lwgeom_delaunay_triangulation ( void  )
static

Definition at line 19 of file cu_triangulate.c.

References cu_error_msg_reset(), LW_PARSER_CHECK_NONE, lwfree(), lwgeom_delaunay_triangulation(), lwgeom_free(), lwgeom_from_wkt(), lwgeom_normalize(), and lwgeom_to_ewkt().

Referenced by triangulate_suite_setup().

20 {
21  LWGEOM *in, *tmp, *out;
22  char *wkt, *exp_wkt;
23 
24  /* Because i don't trust that much prior tests... ;) */
26 
27  in = lwgeom_from_wkt("MULTIPOINT(10 0, 20 0, 5 5)", LW_PARSER_CHECK_NONE);
28 
29  tmp = lwgeom_delaunay_triangulation(in, 0, 0);
30  lwgeom_free(in);
31  out = lwgeom_normalize(tmp);
32  lwgeom_free(tmp);
33 
34  wkt = lwgeom_to_ewkt(out);
35  lwgeom_free(out);
36 
37  exp_wkt = "GEOMETRYCOLLECTION(POLYGON((5 5,20 0,10 0,5 5)))";
38  if ( strcmp(wkt, exp_wkt) )
39  {
40  fprintf(stderr, "\nExp: %s\nObt: %s\n", exp_wkt, wkt);
41  }
42  CU_ASSERT_STRING_EQUAL(wkt, exp_wkt);
43  lwfree(wkt);
44 }
void lwfree(void *mem)
Definition: lwutil.c:244
char * lwgeom_to_ewkt(const LWGEOM *lwgeom)
Return an alloced string.
Definition: lwgeom.c:556
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
LWGEOM * lwgeom_delaunay_triangulation(const LWGEOM *geom, double tolerance, int32_t edgeOnly)
Take vertices of a geometry and build a delaunay triangulation on them.
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition: lwin_wkt.c:904
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2004
void cu_error_msg_reset()
LWGEOM * lwgeom_normalize(const LWGEOM *geom)
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