SUBROUTINE user_data_output_3d( av, variable, found, local_pf, nzb_do, nzt_do )

!--------------------------------------------------------------------------------!
! This file is part of PALM.
!
! PALM is free software: you can redistribute it and/or modify it under the terms
! of the GNU General Public License as published by the Free Software Foundation,
! either version 3 of the License, or (at your option) any later version.
!
! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
! A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License along with
! PALM. If not, see <http://www.gnu.org/licenses/>.
!
! Copyright 1997-2014 Leibniz Universitaet Hannover
!--------------------------------------------------------------------------------!
!
! Current revisions:
! ------------------
! 
! 
! Former revisions:
! -----------------
! $Id: user_data_output_3d.f90 1552 2015-03-03 14:27:15Z knoop $
!
! 1551 2015-03-03 14:18:16Z maronga
! Replaced nzb and nzt+1 with the new array bounds nzb_do and nzt_do.
! 
! 1320 2014-03-20 08:40:49Z raasch
! kind-parameters added to all INTEGER and REAL declaration statements,
! kinds are defined in new module kinds,
! revision history before 2012 removed,
! comment fields (!:) to be used for variable explanations added to
! all variable declaration statements
!
! 1106 2013-03-04 05:31:38Z raasch
! array_kind renamed precision_kind
!
! 1036 2012-10-22 13:43:42Z raasch
! code put under GPL (PALM 3.9)
!
! 211 2008-11-11 04:46:24Z raasch
! Former file user_interface.f90 split into one file per subroutine
!
! Description:
! ------------
! Resorts the user-defined output quantity with indices (k,j,i) to a
! temporary array with indices (i,j,k).
!------------------------------------------------------------------------------!

    USE indices

    USE kinds

    USE user

    IMPLICIT NONE

    CHARACTER (LEN=*) ::  variable !: 

    INTEGER(iwp) ::  av    !: 
    INTEGER(iwp) ::  i     !: 
    INTEGER(iwp) ::  j     !: 
    INTEGER(iwp) ::  k     !: 
    INTEGER(iwp) ::  nzb_do !: lower limit of the data output (usually 0)
    INTEGER(iwp) ::  nzt_do !: vertical upper limit of the data output (usually nz_do3d)

    LOGICAL      ::  found !: 

   REAL(sp), DIMENSION(nxlg:nxrg,nysg:nyng,nzb_do:nzt_do) ::  local_pf !: 


    found = .TRUE.

    SELECT CASE ( TRIM( variable ) )

!
!--    Uncomment and extend the following lines, if necessary.
!--    The arrays for storing the user defined quantities (here u2 and u2_av)
!--    have to be declared and defined by the user!
!--    Sample for user-defined output:
!       CASE ( 'u2' )
!          IF ( av == 0 )  THEN
!             DO  i = nxlg, nxrg
!                DO  j = nysg, nyng
!                   DO  k = nzb_do, nzt_do
!                      local_pf(i,j,k) = u2(k,j,i)
!                   ENDDO
!                ENDDO
!             ENDDO
!          ELSE
!             DO  i = nxlg, nxrg
!                DO  j = nysg, nyng
!                   DO  k = nzb_do, nzt_do
!                      local_pf(i,j,k) = u2_av(k,j,i)
!                   ENDDO
!                ENDDO
!             ENDDO
!          ENDIF
!

       CASE DEFAULT
          found = .FALSE.

    END SELECT


 END SUBROUTINE user_data_output_3d