testRasterIterator1_callback()

static int testRasterIterator1_callback ( rt_iterator_arg  arg, void *  userarg, double *  value, int *  nodata  )

static

Definition at line 35 of file cu_mapalgebra.c.

References _callback_userargs_t::columns, rt_iterator_arg_t::columns, rt_iterator_arg_t::dst_pixel, rt_iterator_arg_t::nodata, _callback_userargs_t::rasters, rt_iterator_arg_t::rasters, _callback_userargs_t::rows, rt_iterator_arg_t::rows, and rt_iterator_arg_t::values.

Referenced by test_raster_iterator().

                                                                                                        {
        _callback_userargs _userarg = (_callback_userargs) userarg;

        /* check that we're getting what we expect from userarg */
        CU_ASSERT_EQUAL(arg->rasters, _userarg->rasters);
        CU_ASSERT_EQUAL(arg->rows, _userarg->rows);
        CU_ASSERT_EQUAL(arg->columns, _userarg->columns);

        /* 0,0 */
        if (
                arg->dst_pixel[0] == 0 &&
                arg->dst_pixel[1] == 0
        ) {
                CU_ASSERT_DOUBLE_EQUAL(arg->values[0][0][0], 0, DBL_EPSILON);
                CU_ASSERT_EQUAL(arg->nodata[0][0][0], 0);
        }
        /* 4,4 */
        else if (
                arg->dst_pixel[0] == 4 &&
                arg->dst_pixel[1] == 4
        ) {
                CU_ASSERT_DOUBLE_EQUAL(arg->values[0][0][0], 24, DBL_EPSILON);
                CU_ASSERT_EQUAL(arg->nodata[0][0][0], 0);
        }
        /* 1,1 */
        else if (
                arg->dst_pixel[0] == 1 &&
                arg->dst_pixel[1] == 1
        ) {
                CU_ASSERT_EQUAL(arg->nodata[0][0][0], 1);
        }
        /* 2,2 */
        else if (
                arg->dst_pixel[0] == 2 &&
                arg->dst_pixel[1] == 2
        ) {
                CU_ASSERT_DOUBLE_EQUAL(arg->values[0][0][0], 12, DBL_EPSILON);
                CU_ASSERT_EQUAL(arg->nodata[0][0][0], 0);
        }
        /* 3,1 */
        else if (
                arg->dst_pixel[0] == 3 &&
                arg->dst_pixel[1] == 1
        ) {
                CU_ASSERT_DOUBLE_EQUAL(arg->values[0][0][0], 8, DBL_EPSILON);
                CU_ASSERT_EQUAL(arg->nodata[0][0][0], 0);
        }
        /* 1,0 */
        else if (
                arg->dst_pixel[0] == 1 &&
                arg->dst_pixel[1] == 0
        ) {
                CU_ASSERT_DOUBLE_EQUAL(arg->values[0][0][0], 1, DBL_EPSILON);
                CU_ASSERT_EQUAL(arg->nodata[0][0][0], 0);
        }

        return 1;
}

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