test_point_density()

static void test_point_density ( void  )

static

Definition at line 1083 of file cu_algorithm.c.

References LW_PARSER_CHECK_NONE, lwgeom_free(), lwgeom_from_wkt(), lwgeom_to_points(), lwmpoint_free(), and LWMPOINT::ngeoms.

Referenced by algorithms_suite_setup().

{
        LWGEOM *geom;
        LWMPOINT *mpt;
        // char *ewkt;

        /* POLYGON */
        geom = lwgeom_from_wkt("POLYGON((1 0,0 1,1 2,2 1,1 0))", LW_PARSER_CHECK_NONE);
        mpt = lwgeom_to_points(geom, 100);
        CU_ASSERT_EQUAL(mpt->ngeoms,100);
        // ewkt = lwgeom_to_ewkt((LWGEOM*)mpt);
        // printf("%s\n", ewkt);
        // lwfree(ewkt);
        lwmpoint_free(mpt);

        mpt = lwgeom_to_points(geom, 1);
        CU_ASSERT_EQUAL(mpt->ngeoms,1);
        lwmpoint_free(mpt);

        mpt = lwgeom_to_points(geom, 0);
        CU_ASSERT_EQUAL(mpt, NULL);
        lwmpoint_free(mpt);

        lwgeom_free(geom);

        /* MULTIPOLYGON */
        geom = lwgeom_from_wkt("MULTIPOLYGON(((10 0,0 10,10 20,20 10,10 0)),((0 0,5 0,5 5,0 5,0 0)))", LW_PARSER_CHECK_NONE);

        mpt = lwgeom_to_points(geom, 1000);
        CU_ASSERT_EQUAL(mpt->ngeoms,1000);
        lwmpoint_free(mpt);

        mpt = lwgeom_to_points(geom, 1);
        CU_ASSERT_EQUAL(mpt->ngeoms,1);
        lwmpoint_free(mpt);

        lwgeom_free(geom);
}

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