Beispiel #1
0
void lwgeom_free(LWGEOM *lwgeom)
{

	/* There's nothing here to free... */
	if( ! lwgeom ) return;

	LWDEBUGF(5,"freeing a %s",lwtype_name(lwgeom->type));
	
	switch (lwgeom->type)
	{
	case POINTTYPE:
		lwpoint_free((LWPOINT *)lwgeom);
		break;
	case LINETYPE:
		lwline_free((LWLINE *)lwgeom);
		break;
	case POLYGONTYPE:
		lwpoly_free((LWPOLY *)lwgeom);
		break;
	case CIRCSTRINGTYPE:
		lwcircstring_free((LWCIRCSTRING *)lwgeom);
		break;
	case TRIANGLETYPE:
		lwtriangle_free((LWTRIANGLE *)lwgeom);
		break;
	case MULTIPOINTTYPE:
		lwmpoint_free((LWMPOINT *)lwgeom);
		break;
	case MULTILINETYPE:
		lwmline_free((LWMLINE *)lwgeom);
		break;
	case MULTIPOLYGONTYPE:
		lwmpoly_free((LWMPOLY *)lwgeom);
		break;
	case POLYHEDRALSURFACETYPE:
		lwpsurface_free((LWPSURFACE *)lwgeom);
		break;
	case TINTYPE:
		lwtin_free((LWTIN *)lwgeom);
		break;
	case CURVEPOLYTYPE:
	case COMPOUNDTYPE:
	case MULTICURVETYPE:
	case MULTISURFACETYPE:
	case COLLECTIONTYPE:
		lwcollection_free((LWCOLLECTION *)lwgeom);
		break;
	default:
		lwerror("lwgeom_free called with unknown type (%d) %s", lwgeom->type, lwtype_name(lwgeom->type));
	}
	return;
}
Beispiel #2
0
static void test_geohash(void)
{
	LWPOINT *lwpoint = NULL;
	LWLINE *lwline = NULL;
	LWMLINE *lwmline = NULL;
	char *geohash = NULL;

	lwpoint = (LWPOINT*)lwgeom_from_wkt("POINT(23.0 25.2)", LW_PARSER_CHECK_NONE);
	geohash = lwgeom_geohash((LWGEOM*)lwpoint,0);
	//printf("\ngeohash %s\n",geohash);
	CU_ASSERT_STRING_EQUAL(geohash, "ss2r77s0du7p2ewb8hmx");
	lwpoint_free(lwpoint);
	lwfree(geohash);

	lwpoint = (LWPOINT*)lwgeom_from_wkt("POINT(23.0 25.2 2.0)", LW_PARSER_CHECK_NONE);
	geohash = lwgeom_geohash((LWGEOM*)lwpoint,0);
	//printf("geohash %s\n",geohash);
	CU_ASSERT_STRING_EQUAL(geohash, "ss2r77s0du7p2ewb8hmx");
	lwpoint_free(lwpoint);
	lwfree(geohash);

	lwline = (LWLINE*)lwgeom_from_wkt("LINESTRING(23.0 23.0,23.1 23.1)", LW_PARSER_CHECK_NONE);
	geohash = lwgeom_geohash((LWGEOM*)lwline,0);
	//printf("geohash %s\n",geohash);
	CU_ASSERT_STRING_EQUAL(geohash, "ss0");
	lwline_free(lwline);
	lwfree(geohash);

	lwline = (LWLINE*)lwgeom_from_wkt("LINESTRING(23.0 23.0,23.001 23.001)", LW_PARSER_CHECK_NONE);
	geohash = lwgeom_geohash((LWGEOM*)lwline,0);
	//printf("geohash %s\n",geohash);
	CU_ASSERT_STRING_EQUAL(geohash, "ss06g7");
	lwline_free(lwline);
	lwfree(geohash);

	lwmline = (LWMLINE*)lwgeom_from_wkt("MULTILINESTRING((23.0 23.0,23.1 23.1),(23.0 23.0,23.1 23.1))", LW_PARSER_CHECK_NONE);
	geohash = lwgeom_geohash((LWGEOM*)lwmline,0);
	//printf("geohash %s\n",geohash);
	CU_ASSERT_STRING_EQUAL(geohash, "ss0");
	lwmline_free(lwmline);
	lwfree(geohash);
}
Beispiel #3
0
static void test_lwmline_clip(void)
{
	LWCOLLECTION *c;
	char *ewkt;
	LWMLINE *mline = NULL;
	LWLINE *line = NULL;

	/*
	** Set up the input line. Trivial one-member case.
	*/
	mline = (LWMLINE*)lwgeom_from_wkt("MULTILINESTRING((0 0,0 1,0 2,0 3,0 4))", LW_PARSER_CHECK_NONE);

	/* Clip in the middle, mid-range. */
	c = lwmline_clip_to_ordinate_range(mline, 'Y', 1.5, 2.5);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "MULTILINESTRING((0 1.5,0 2,0 2.5))");
	lwfree(ewkt);
	lwcollection_free(c);

	lwmline_free(mline);

	/*
	** Set up the input line. Two-member case.
	*/
	mline = (LWMLINE*)lwgeom_from_wkt("MULTILINESTRING((1 0,1 1,1 2,1 3,1 4), (0 0,0 1,0 2,0 3,0 4))", LW_PARSER_CHECK_NONE);

	/* Clip off the top. */
	c = lwmline_clip_to_ordinate_range(mline, 'Y', 3.5, 5.5);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "MULTILINESTRING((1 3.5,1 4),(0 3.5,0 4))");
	lwfree(ewkt);
	lwcollection_free(c);

	lwmline_free(mline);

	/*
	** Set up staggered input line to create multi-type output.
	*/
	mline = (LWMLINE*)lwgeom_from_wkt("MULTILINESTRING((1 0,1 -1,1 -2,1 -3,1 -4), (0 0,0 1,0 2,0 3,0 4))", LW_PARSER_CHECK_NONE);

	/* Clip from 0 upwards.. */
	c = lwmline_clip_to_ordinate_range(mline, 'Y', 0.0, 2.5);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "GEOMETRYCOLLECTION(POINT(1 0),LINESTRING(0 0,0 1,0 2,0 2.5))");
	lwfree(ewkt);
	lwcollection_free(c);

	lwmline_free(mline);

	/*
	** Set up input line from MAC
	*/
	line = (LWLINE*)lwgeom_from_wkt("LINESTRING(0 0 0 0,1 1 1 1,2 2 2 2,3 3 3 3,4 4 4 4,3 3 3 5,2 2 2 6,1 1 1 7,0 0 0 8)", LW_PARSER_CHECK_NONE);

	/* Clip from 3 to 3.5 */
	c = lwline_clip_to_ordinate_range(line, 'Z', 3.0, 3.5);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "MULTILINESTRING((3 3 3 3,3.5 3.5 3.5 3.5),(3.5 3.5 3.5 4.5,3 3 3 5))");
	lwfree(ewkt);
	lwcollection_free(c);

	/* Clip from 2 to 3.5 */
	c = lwline_clip_to_ordinate_range(line, 'Z', 2.0, 3.5);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "MULTILINESTRING((2 2 2 2,3 3 3 3,3.5 3.5 3.5 3.5),(3.5 3.5 3.5 4.5,3 3 3 5,2 2 2 6))");
	lwfree(ewkt);
	lwcollection_free(c);

	/* Clip from 3 to 4 */
	c = lwline_clip_to_ordinate_range(line, 'Z', 3.0, 4.0);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "MULTILINESTRING((3 3 3 3,4 4 4 4,3 3 3 5))");
	lwfree(ewkt);
	lwcollection_free(c);

	/* Clip from 2 to 3 */
	c = lwline_clip_to_ordinate_range(line, 'Z', 2.0, 3.0);
	ewkt = lwgeom_to_ewkt((LWGEOM*)c);
	//printf("c = %s\n", ewkt);
	CU_ASSERT_STRING_EQUAL(ewkt, "MULTILINESTRING((2 2 2 2,3 3 3 3),(3 3 3 5,2 2 2 6))");
	lwfree(ewkt);
	lwcollection_free(c);


	lwline_free(line);

}