da_transform_xtoy_sound.inc

1 subroutine da_transform_xtoy_sound (xa, iv, xp, y)
2 
3    !-----------------------------------------------------------------------
4    ! Purpose: TBD
5    !-----------------------------------------------------------------------
6 
7    implicit none
8 
9    type (x_type),     intent(in)    :: xa       ! gridded analysis increment.
10    type (ob_type),    intent(in)    :: iv       ! Innovation vector (O-B).
11    type (xpose_type), intent(in)    :: xp       ! Domain decomposition vars.
12    type (y_type),     intent(inout) :: y        ! y = h (xa) (linear)
13 
14    integer                      :: n        ! Loop counter.
15    integer                      :: i, j, k  ! Index dimension.
16    real                         :: dx, dxm  ! 
17    real                         :: dy, dym  !
18 
19 
20    if (iv%num_sound > 0) then
21       do n=iv%ob_numb(iv%current_ob_time-1)%sound + 1, iv%ob_numb(iv%current_ob_time)%sound
22 
23          ! [1.1] Get horizontal interpolation weights:
24 
25          i = iv%sound(n)%loc%i
26          j = iv%sound(n)%loc%j
27          dx = iv%sound(n)%loc%dx
28          dy = iv%sound(n)%loc%dy
29          dxm = iv%sound(n)%loc%dxm
30          dym = iv%sound(n)%loc%dym
31 
32          !xyh y%sound(n)%u(:) = 0.0
33          !xyh y%sound(n)%v(:) = 0.0
34          !xyh y%sound(n)%t(:) = 0.0
35          !xyh y%sound(n)%q(:) = 0.0
36 
37          k = iv % sound(n) % info % levels
38 
39          if (k < 1) cycle
40 
41          ! [1.2] Interpolate horizontally:
42          call da_interp_lin_3d(xa % u, xp, i, j, dx, dy, dxm, dym, &
43                             y%sound(n)%u, k, iv%sound(n)%zk, k)
44          call da_interp_lin_3d(xa % v, xp, i, j, dx, dy, dxm, dym, &
45                             y%sound(n)%v, k, iv%sound(n)%zk, k)
46          call da_interp_lin_3d(xa % t, xp, i, j, dx, dy, dxm, dym, &
47                             y%sound(n)%t, k, iv%sound(n)%zk, k)
48          call da_interp_lin_3d(xa % q, xp, i, j, dx, dy, dxm, dym, &
49                             y%sound(n)%q, k, iv%sound(n)%zk, k)
50       end do
51    end if
52 
53 end subroutine da_transform_xtoy_sound
54 
55