PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ test_lwgeom_locate_along()

static void test_lwgeom_locate_along ( void  )
static

Definition at line 714 of file cu_measures.c.

715 {
716  LWGEOM *geom = NULL;
717  LWGEOM *out = NULL;
718  double measure = 105.0;
719  char *str;
720 
721  /* ST_Locatealong(ST_GeomFromText('MULTILINESTRING M ((1 2 3, 5 4 5), (50 50 1, 60 60 200))'), 105) */
722  geom = lwgeom_from_wkt("MULTILINESTRING M ((1 2 3, 5 4 5), (50 50 1, 60 60 200))", LW_PARSER_CHECK_NONE);
723  out = lwgeom_locate_along(geom, measure, 0.0);
724  str = lwgeom_to_wkt(out, WKT_ISO, 6, NULL);
725  lwgeom_free(geom);
726  lwgeom_free(out);
727  ASSERT_STRING_EQUAL(str, "MULTIPOINT M (55.226131 55.226131 105)");
728  lwfree(str);
729 
730  /* ST_Locatealong(ST_GeomFromText('MULTILINESTRING M ((1 2 3, 5 4 5), (50 50 1, 60 60 200))'), 105) */
731  geom = lwgeom_from_wkt("MULTILINESTRING M ((1 2 3, 3 4 2, 9 4 3), (1 2 3, 5 4 5), (50 50 1, 60 60 200))", LW_PARSER_CHECK_NONE);
732  out = lwgeom_locate_along(geom, measure, 0.0);
733  str = lwgeom_to_wkt(out, WKT_ISO, 6, NULL);
734  lwgeom_free(geom);
735  lwgeom_free(out);
736  ASSERT_STRING_EQUAL(str, "MULTIPOINT M (55.226131 55.226131 105)");
737  lwfree(str);
738 }
#define ASSERT_STRING_EQUAL(o, e)
LWGEOM * lwgeom_locate_along(const LWGEOM *lwin, double m, double offset)
Determine the location(s) along a measured line where m occurs and return as a multipoint.
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2085
void lwfree(void *mem)
Definition: lwutil.c:242
#define WKT_ISO
Definition: liblwgeom.h:2155
char * lwgeom_to_wkt(const LWGEOM *geom, uint8_t variant, int precision, size_t *size_out)
WKT emitter function.
Definition: lwout_wkt.c:704
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition: lwin_wkt.c:905
#define str(s)

References ASSERT_STRING_EQUAL, LW_PARSER_CHECK_NONE, lwfree(), lwgeom_free(), lwgeom_from_wkt(), lwgeom_locate_along(), lwgeom_to_wkt(), str, and WKT_ISO.

Referenced by measures_suite_setup().

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