test_raster_from_two_rasters()

static void test_raster_from_two_rasters ( )

static

Definition at line 65 of file cu_raster_misc.c.

                                           {
        rt_raster rast1;
        rt_raster rast2;
        rt_raster rast = NULL;
        int err;
        double offset[4] = {0.};
 
        rast1 = rt_raster_new(4, 4);
        CU_ASSERT(rast1 != NULL);
        rt_raster_set_scale(rast1, 1, 1);
        rt_raster_set_offsets(rast1, -2, -2);
 
        rast2 = rt_raster_new(2, 2);
        CU_ASSERT(rast2 != NULL);
        rt_raster_set_scale(rast2, 1, 1);
 
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_FIRST,
                &rast,
                offset
        );
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(rast != NULL);
        CU_ASSERT_EQUAL(rt_raster_get_width(rast), 4);
        CU_ASSERT_EQUAL(rt_raster_get_height(rast), 4);
        CU_ASSERT_DOUBLE_EQUAL(offset[0], 0, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[1], 0, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[2], 2, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[3], 2, DBL_EPSILON);
        cu_free_raster(rast);
 
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_SECOND,
                &rast,
                offset
        );
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(rast != NULL);
        CU_ASSERT_EQUAL(rt_raster_get_width(rast), 2);
        CU_ASSERT_EQUAL(rt_raster_get_height(rast), 2);
        CU_ASSERT_DOUBLE_EQUAL(offset[0], -2, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[1], -2, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[2], 0, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[3], 0, DBL_EPSILON);
        cu_free_raster(rast);
 
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_INTERSECTION,
                &rast,
                offset
        );
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(rast != NULL);
        CU_ASSERT_EQUAL(rt_raster_get_width(rast), 2);
        CU_ASSERT_EQUAL(rt_raster_get_height(rast), 2);
        CU_ASSERT_DOUBLE_EQUAL(offset[0], -2, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[1], -2, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[2], 0, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[3], 0, DBL_EPSILON);
        cu_free_raster(rast);
 
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_UNION,
                &rast,
                offset
        );
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(rast != NULL);
        CU_ASSERT_EQUAL(rt_raster_get_width(rast), 4);
        CU_ASSERT_EQUAL(rt_raster_get_height(rast), 4);
        CU_ASSERT_DOUBLE_EQUAL(offset[0], 0, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[1], 0, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[2], 2, DBL_EPSILON);
        CU_ASSERT_DOUBLE_EQUAL(offset[3], 2, DBL_EPSILON);
        cu_free_raster(rast);
 
        rt_raster_set_scale(rast2, 1, 0.1);
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_UNION,
                &rast,
                offset
        );
        CU_ASSERT_NOT_EQUAL(err, ES_NONE);
        rt_raster_set_scale(rast2, 1, 1);
 
        rt_raster_set_srid(rast2, 9999);
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_UNION,
                &rast,
                offset
        );
        CU_ASSERT_NOT_EQUAL(err, ES_NONE);
        rt_raster_set_srid(rast2, 0);
 
        rt_raster_set_skews(rast2, -1, 1);
        err = rt_raster_from_two_rasters(
                rast1, rast2,
                ET_UNION,
                &rast,
                offset
        );
        CU_ASSERT_NOT_EQUAL(err, ES_NONE);
 
        cu_free_raster(rast2);
        cu_free_raster(rast1);
}

References cu_free_raster(), ES_NONE, ET_FIRST, ET_INTERSECTION, ET_SECOND, ET_UNION, rtpixdump::rast, rt_raster_from_two_rasters(), rt_raster_get_height(), rt_raster_get_width(), rt_raster_new(), rt_raster_set_offsets(), rt_raster_set_scale(), rt_raster_set_skews(), and rt_raster_set_srid().

Referenced by raster_misc_suite_setup().

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