PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ line_from_encoded_polyline()

Datum line_from_encoded_polyline ( PG_FUNCTION_ARGS  )

Definition at line 38 of file lwgeom_in_encoded_polyline.c.

39{
40 GSERIALIZED *geom;
41 LWGEOM *lwgeom;
42 text *encodedpolyline_input;
43 char *encodedpolyline;
44 int precision = 5;
45
46 if (PG_ARGISNULL(0)) PG_RETURN_NULL();
47
48 encodedpolyline_input = PG_GETARG_TEXT_P(0);
49 encodedpolyline = text_to_cstring(encodedpolyline_input);
50
51 if (PG_NARGS() > 1 && !PG_ARGISNULL(1))
52 {
53 precision = PG_GETARG_INT32(1);
54 if ( precision < 0 ) precision = 5;
55 }
56
57 lwgeom = lwgeom_from_encoded_polyline(encodedpolyline, precision);
58 if ( ! lwgeom ) {
59 /* Shouldn't get here */
60 elog(ERROR, "lwgeom_from_encoded_polyline returned NULL");
61 PG_RETURN_NULL();
62 }
63 lwgeom_set_srid(lwgeom, 4326);
64
65 geom = geometry_serialize(lwgeom);
66 lwgeom_free(lwgeom);
67 PG_RETURN_POINTER(geom);
68}
precision
static uint8_t precision
Definition cu_in_twkb.c:25
lwgeom_set_srid
void lwgeom_set_srid(LWGEOM *geom, int32_t srid)
Set the SRID on an LWGEOM For collections, only the parent gets an SRID, all the children get SRID_UN...
Definition lwgeom.c:1638
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1246
lwgeom_from_encoded_polyline
LWGEOM * lwgeom_from_encoded_polyline(const char *encodedpolyline, int precision)
Create an LWGEOM object from an Encoded Polyline representation.
Definition lwin_encoded_polyline.c:34

References lwgeom_free(), lwgeom_from_encoded_polyline(), lwgeom_set_srid(), and precision.

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