PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ test_lwtriangle_clip()

static void test_lwtriangle_clip ( void  )
static

Definition at line 744 of file cu_algorithm.c.

745 {
746  LWCOLLECTION *c;
747  LWGEOM *g = NULL;
748  char *ewkt;
749 
750  g = lwgeom_from_wkt("TRIANGLE((0 0 0, 1 1 1, 3 2 2, 0 0 0))", LW_PARSER_CHECK_NONE);
751  c = lwgeom_clip_to_ordinate_range(g, 'Z', -10.0, 4.0, 0);
752 
753  ewkt = lwgeom_to_ewkt((LWGEOM *)c);
754  // printf("c = %s\n", ewkt);
755  ASSERT_STRING_EQUAL(ewkt, "TIN(((0 0 0,1 1 1,3 2 2,0 0 0)))");
756  lwfree(ewkt);
758  lwgeom_free(g);
759 
760  g = lwgeom_from_wkt("TRIANGLE((0 0 0, 1 1 1, 3 2 2, 0 0 0))", LW_PARSER_CHECK_NONE);
761  c = lwgeom_clip_to_ordinate_range(g, 'Z', 0.0, 1.0, 0);
762 
763  ewkt = lwgeom_to_ewkt((LWGEOM *)c);
764  // printf("c = %s\n", ewkt);
765  ASSERT_STRING_EQUAL(ewkt, "TIN(((0 0 0,1 1 1,1.5 1 1,0 0 0)))");
766  lwfree(ewkt);
768  lwgeom_free(g);
769 
770  g = lwgeom_from_wkt("TRIANGLE((0 0 0, 1 1 1, 3 2 3, 0 0 0))", LW_PARSER_CHECK_NONE);
771  c = lwgeom_clip_to_ordinate_range(g, 'Z', 1.0, 2.0, 0);
772 
773  ewkt = lwgeom_to_ewkt((LWGEOM *)c);
774  // printf("c = %s\n", ewkt);
776  ewkt,
777  "TIN(((1 1 1,2 1.5 2,2 1.333333333333 2,1 1 1)),((1 1 1,2 1.333333333333 2,1 0.666666666667 1,1 1 1)))");
778  lwfree(ewkt);
780  lwgeom_free(g);
781 
782  g = lwgeom_from_wkt(
783  "TIN Z (((0 0 2,0 1 2,-1 2 2,0 0 2)),((0 1 2,0 0 2,0 1 4,0 1 2)),((-1 2 2,0 1 2,1 1 2,-1 2 2)),((0 0 2,-1 2 2,-1 -1 2,0 0 2)),((0 1 4,0 0 2,0 0 4,0 1 4)),((0 1 2,0 1 4,1 1 4,0 1 2)),((1 1 2,0 1 2,1 1 4,1 1 2)),((-1 2 2,1 1 2,2 2 2,-1 2 2)),((-1 -1 2,-1 2 2,-1 -1 -1,-1 -1 2)),((0 0 2,-1 -1 2,1 0 2,0 0 2)),((0 0 4,0 0 2,1 0 2,0 0 4)),((0 1 4,0 0 4,1 0 4,0 1 4)),((1 1 4,0 1 4,1 0 4,1 1 4)),((1 1 2,1 1 4,1 0 4,1 1 2)),((2 2 2,1 1 2,2 -1 2,2 2 2)),((-1 2 2,2 2 2,-1 2 -1,-1 2 2)),((-1 -1 -1,-1 2 2,-1 2 -1,-1 -1 -1)),((-1 -1 2,-1 -1 -1,2 -1 -1,-1 -1 2)),((1 0 2,-1 -1 2,2 -1 2,1 0 2)),((0 0 4,1 0 2,1 0 4,0 0 4)),((1 1 2,1 0 4,1 0 2,1 1 2)),((2 -1 2,1 1 2,1 0 2,2 -1 2)),((2 2 2,2 -1 2,2 2 -1,2 2 2)),((-1 2 -1,2 2 2,2 2 -1,-1 2 -1)),((-1 -1 -1,-1 2 -1,2 2 -1,-1 -1 -1)),((2 -1 -1,-1 -1 -1,2 2 -1,2 -1 -1)),((-1 -1 2,2 -1 -1,2 -1 2,-1 -1 2)),((2 2 -1,2 -1 2,2 -1 -1,2 2 -1)))",
785  c = lwgeom_clip_to_ordinate_range(g, 'Z', 0.0, DBL_MAX, 0);
786 
787  ewkt = lwgeom_to_ewkt((LWGEOM *)c);
788  // printf("c = %s\n", ewkt);
790  ewkt,
791  "TIN(((0 0 2,0 1 2,-1 2 2,0 0 2)),((0 1 2,0 0 2,0 1 4,0 1 2)),((-1 2 2,0 1 2,1 1 2,-1 2 2)),((0 0 2,-1 2 2,-1 -1 2,0 0 2)),((0 1 4,0 0 2,0 0 4,0 1 4)),((0 1 2,0 1 4,1 1 4,0 1 2)),((1 1 2,0 1 2,1 1 4,1 1 2)),((-1 2 2,1 1 2,2 2 2,-1 2 2)),((-1 -1 2,-1 2 2,-1 0 0,-1 -1 2)),((-1 -1 2,-1 0 0,-1 -1 0,-1 -1 2)),((0 0 2,-1 -1 2,1 0 2,0 0 2)),((0 0 4,0 0 2,1 0 2,0 0 4)),((0 1 4,0 0 4,1 0 4,0 1 4)),((1 1 4,0 1 4,1 0 4,1 1 4)),((1 1 2,1 1 4,1 0 4,1 1 2)),((2 2 2,1 1 2,2 -1 2,2 2 2)),((-1 2 2,2 2 2,0 2 0,-1 2 2)),((-1 2 2,0 2 0,-1 2 0,-1 2 2)),((-1 0 0,-1 2 2,-1 2 0,-1 0 0)),((-1 -1 2,-1 -1 0,1 -1 0,-1 -1 2)),((1 0 2,-1 -1 2,2 -1 2,1 0 2)),((0 0 4,1 0 2,1 0 4,0 0 4)),((1 1 2,1 0 4,1 0 2,1 1 2)),((2 -1 2,1 1 2,1 0 2,2 -1 2)),((2 2 2,2 -1 2,2 1 0,2 2 2)),((2 2 2,2 1 0,2 2 0,2 2 2)),((0 2 0,2 2 2,2 2 0,0 2 0)),((-1 -1 2,1 -1 0,2 -1 0,-1 -1 2)),((-1 -1 2,2 -1 0,2 -1 2,-1 -1 2)),((2 1 0,2 -1 2,2 -1 0,2 1 0)))");
792  lwfree(ewkt);
794  lwgeom_free(g);
795 }
#define ASSERT_STRING_EQUAL(o, e)
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2060
char * lwgeom_to_ewkt(const LWGEOM *lwgeom)
Return an alloced string.
Definition: lwgeom.c:547
void lwfree(void *mem)
Definition: lwutil.c:242
LWCOLLECTION * lwgeom_clip_to_ordinate_range(const LWGEOM *lwin, char ordinate, double from, double to, double offset)
Given a geometry clip based on the from/to range of one of its ordinates (x, y, z,...
void lwcollection_free(LWCOLLECTION *col)
Definition: lwcollection.c:357
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition: lwin_wkt.c:905

References ASSERT_STRING_EQUAL, LW_PARSER_CHECK_NONE, lwcollection_free(), lwfree(), lwgeom_clip_to_ordinate_range(), lwgeom_free(), lwgeom_from_wkt(), and lwgeom_to_ewkt().

Referenced by algorithms_suite_setup().

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