!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms
!of the Environment Canada - Atmospheric Science and Technology License/Disclaimer
!version 3 or (at your option) any later version that should be found at:
!http://collaboration.cmc.ec.gc.ca/science/rpn.comm/license.html
!
!This software 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 above mentioned License/Disclaimer for more details.
!You should have received a copy of the License/Disclaimer along with this software;
!if not, you can write to: EC-RPN COMM Group, 2121 TransCanada, suite 500, Dorval (Quebec),
!CANADA, H9P 1J3; or send e-mail to service.rpn@ec.gc.ca
!-------------------------------------- LICENCE END --------------------------------------
!

SUBROUTINE INITGDG2(POUT,PIN,KNI,KNJ,KNK,varName) 3,2
  !
  !
  !**s/r INITGDG2  - Transfer input grid-point trial fields (from RPN file)
  !                  to analysis grid fields.
  !
  !Arguments
  !     i : PIN(KNI,KNJ,knk) : field to be transferred
  !     i : KNI, KNJ,KNK     : equivalent to NI, NJ. Used to dimension PTRANS
  !     i : varName          : variable type being transfer
  !
  !     o : POUT(KNI,KNK,KNJ) : field to be filled
  !
  !
  use MathPhysConstants_mod
  use EarthConstants_mod
  IMPLICIT NONE
 
  INTEGER,          intent(in)  :: KNI, KNJ,KNK
  CHARACTER(len=*), intent(in)  :: varName
  REAL(8),          intent(in)  :: PIN(KNI,KNJ,knk)
  real(8),          intent(out) :: POUT(KNI,KNK,KNJ)
  !
  INTEGER JI, JJ,jlev
  REAL*8 ZCON
  !
  IF ( trim(varName) == 'CC') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj) = pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'PP') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj) = pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'GP') THEN
     ZCON = 10.*RG
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj) = pin(JI,JJ,JLEV)*ZCON
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'GB') THEN
     ZCON = 10.d0*RG
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj) = pin(JI,JJ,JLEV)*ZCON
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'TT') THEN
     ZCON = MPC_K_C_DEGREE_OFFSET_R8
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV) +ZCON
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'UT') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'VT') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'GZ') THEN
     ZCON = 10.d0*RG
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)*ZCON
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'ES') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'LQ') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'HU') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)= max(pin(JI,JJ,JLEV),MPC_MINIMUM_HU_R8)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'O3') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           end do
        end do
     end do
  ELSE IF ( trim(varName) == 'P0') THEN
     zcon = 1.d2
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=zcon*pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'PT') THEN
     zcon = 1.d2
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)= anint(zcon*pin(JI,JJ,JLEV))
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'LP') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE IF ( trim(varName) == 'UP') THEN
     DO JLEV = 1,KNK
        DO JJ = 1, KNJ
           DO JI = 1, KNI
              pout(ji,jlev,jj)=pin(JI,JJ,JLEV)
           END DO
        END DO
     end do
  ELSE
     write(*,*) ''
     write(*,*) 'initgd2 : Unknown Variable ', trim(varName)
     stop
  END IF

  RETURN
END SUBROUTINE INITGDG2