test_lwpoly_clip()

static void test_lwpoly_clip ( void  )

static

Definition at line 708 of file cu_algorithm.c.

{
        LWCOLLECTION *c;
        LWGEOM *g = NULL;
        char *ewkt;
 
        g = lwgeom_from_wkt(
            "POLYGON ((0.51 -0.25, 1.27 -0.14, 1.27 0.25, 0.6 0.3, 0.7 0.7, 1.2 0.7, 0.8 0.5, 1.3 0.4, 1.2 1.2, 0.5 1.2, 0.5 -0.1, 0.3 -0.1, 0.3 1.3, -0.18 1.25, -0.17 -0.25, 0.51 -0.25))",
            LW_PARSER_CHECK_NONE);
        c = lwgeom_clip_to_ordinate_range(g, 'X', 0.0, 1.0, 0);
 
        ewkt = lwgeom_to_ewkt((LWGEOM *)c);
        // printf("c = %s\n", ewkt);
        ASSERT_STRING_EQUAL(
            ewkt,
            "MULTIPOLYGON(((0.51 -0.25,1 -0.179078947368,1 0.270149253731,0.6 0.3,0.7 0.7,1 0.7,1 0.6,0.8 0.5,1 0.46,1 1.2,0.5 1.2,0.5 -0.1,0.3 -0.1,0.3 1.3,0 1.26875,0 -0.25,0.51 -0.25)))");
        lwfree(ewkt);
        lwcollection_free(c);
        lwgeom_free(g);
 
        g = lwgeom_from_wkt(
            "MULTIPOLYGON(((0.51 -0.25,1 -0.179078947368,1 0.270149253731,0.6 0.3,0.7 0.7,1 0.7,1 0.6,0.8 0.5,1 0.46,1 1.2,0.5 1.2,0.5 -0.1,0.3 -0.1,0.3 1.3,0 1.26875,0 -0.25,0.51 -0.25)))",
            LW_PARSER_CHECK_NONE);
        c = lwgeom_clip_to_ordinate_range(g, 'Y', 0.0, 1.0, 0);
 
        ewkt = lwgeom_to_ewkt((LWGEOM *)c);
        //printf("c = %s\n", ewkt);
        ASSERT_STRING_EQUAL(
            ewkt,
            "MULTIPOLYGON(((1 0,1 0.270149253731,0.6 0.3,0.7 0.7,1 0.7,1 0.6,0.8 0.5,1 0.46,1 1,0.5 1,0.5 0,0.3 0,0.3 1,0 1,0 0,1 0)))");
        lwfree(ewkt);
        lwcollection_free(c);
        lwgeom_free(g);
}

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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