PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ test_lwgeom_delaunay_triangulation()

static void test_lwgeom_delaunay_triangulation ( void  )
static

Definition at line 21 of file cu_triangulate.c.

22 {
23  LWGEOM *in, *tmp, *out;
24  char *wkt, *exp_wkt;
25 
26  /* Because i don't trust that much prior tests... ;) */
28 
29  in = lwgeom_from_wkt("MULTIPOINT(10 0, 20 0, 5 5)", LW_PARSER_CHECK_NONE);
30 
31  tmp = lwgeom_delaunay_triangulation(in, 0, 0);
32  lwgeom_free(in);
33  out = lwgeom_normalize(tmp);
34  lwgeom_free(tmp);
35 
36  wkt = lwgeom_to_ewkt(out);
37  lwgeom_free(out);
38 
39  exp_wkt = "GEOMETRYCOLLECTION(POLYGON((5 5,20 0,10 0,5 5)))";
40  if (strcmp(wkt, exp_wkt))
41  fprintf(stderr, "\nExp: %s\nObt: %s\n", exp_wkt, wkt);
42 
43  CU_ASSERT_STRING_EQUAL(wkt, exp_wkt);
44  lwfree(wkt);
45 }
void cu_error_msg_reset()
LWGEOM * lwgeom_delaunay_triangulation(const LWGEOM *geom, double tolerance, int32_t edgeOnly)
Take vertices of a geometry and build a delaunay triangulation on them.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1155
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2114
char * lwgeom_to_ewkt(const LWGEOM *lwgeom)
Return an alloced string.
Definition: lwgeom.c:565
void lwfree(void *mem)
Definition: lwutil.c:242
LWGEOM * lwgeom_normalize(const LWGEOM *geom)
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition: lwin_wkt.c:905

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().

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