MODULE set_2dfldr_mod ! !git $Id$ !svn $Id: set_2dfldr.F 1151 2023-02-09 03:08:53Z arango $ !================================================== Hernan G. Arango === ! Copyright (c) 2002-2023 The ROMS/TOMS Group ! ! Licensed under a MIT/X style license ! ! See License_ROMS.md ! !======================================================================= ! ! ! This routine time-interpolates backwards in time requested 2D field ! ! from snapshots of input data. ! ! ! !======================================================================= ! implicit none CONTAINS ! !*********************************************************************** SUBROUTINE set_2dfldr_tile (ng, tile, model, ifield, & & LBi, UBi, LBj, UBj, & & Finp, Fout, update, & & SetBC) !*********************************************************************** ! USE mod_param USE mod_parallel USE mod_iounits USE mod_ncparam USE mod_scalars ! USE exchange_2d_mod USE mp_exchange_mod, ONLY : mp_exchange2d ! ! Imported variable declarations. ! logical, intent(in), optional :: SetBC logical, intent(out) :: update integer, intent(in) :: ng, tile, model, ifield integer, intent(in) :: LBi, UBi, LBj, UBj ! real(r8), intent(in) :: Finp(LBi:,LBj:,:) real(r8), intent(out) :: Fout(LBi:,LBj:) ! ! Local variable declarations. ! logical :: LapplyBC, Lgrided, Lonerec integer :: Tindex, gtype, i, it1, it2, j real(dp) :: SecScale, fac, fac1, fac2 real(r8) :: Fval ! !----------------------------------------------------------------------- ! Set lower and upper tile bounds and staggered variables bounds for ! this horizontal domain partition. Notice that if tile=-1, it will ! set the values for the global grid. !----------------------------------------------------------------------- ! integer :: Istr, IstrB, IstrP, IstrR, IstrT, IstrM, IstrU integer :: Iend, IendB, IendP, IendR, IendT integer :: Jstr, JstrB, JstrP, JstrR, JstrT, JstrM, JstrV integer :: Jend, JendB, JendP, JendR, JendT integer :: Istrm3, Istrm2, Istrm1, IstrUm2, IstrUm1 integer :: Iendp1, Iendp2, Iendp2i, Iendp3 integer :: Jstrm3, Jstrm2, Jstrm1, JstrVm2, JstrVm1 integer :: Jendp1, Jendp2, Jendp2i, Jendp3 ! Istr =BOUNDS(ng) % Istr (tile) IstrB =BOUNDS(ng) % IstrB (tile) IstrM =BOUNDS(ng) % IstrM (tile) IstrP =BOUNDS(ng) % IstrP (tile) IstrR =BOUNDS(ng) % IstrR (tile) IstrT =BOUNDS(ng) % IstrT (tile) IstrU =BOUNDS(ng) % IstrU (tile) Iend =BOUNDS(ng) % Iend (tile) IendB =BOUNDS(ng) % IendB (tile) IendP =BOUNDS(ng) % IendP (tile) IendR =BOUNDS(ng) % IendR (tile) IendT =BOUNDS(ng) % IendT (tile) Jstr =BOUNDS(ng) % Jstr (tile) JstrB =BOUNDS(ng) % JstrB (tile) JstrM =BOUNDS(ng) % JstrM (tile) JstrP =BOUNDS(ng) % JstrP (tile) JstrR =BOUNDS(ng) % JstrR (tile) JstrT =BOUNDS(ng) % JstrT (tile) JstrV =BOUNDS(ng) % JstrV (tile) Jend =BOUNDS(ng) % Jend (tile) JendB =BOUNDS(ng) % JendB (tile) JendP =BOUNDS(ng) % JendP (tile) JendR =BOUNDS(ng) % JendR (tile) JendT =BOUNDS(ng) % JendT (tile) ! Istrm3 =BOUNDS(ng) % Istrm3 (tile) ! Istr-3 Istrm2 =BOUNDS(ng) % Istrm2 (tile) ! Istr-2 Istrm1 =BOUNDS(ng) % Istrm1 (tile) ! Istr-1 IstrUm2=BOUNDS(ng) % IstrUm2(tile) ! IstrU-2 IstrUm1=BOUNDS(ng) % IstrUm1(tile) ! IstrU-1 Iendp1 =BOUNDS(ng) % Iendp1 (tile) ! Iend+1 Iendp2 =BOUNDS(ng) % Iendp2 (tile) ! Iend+2 Iendp2i=BOUNDS(ng) % Iendp2i(tile) ! Iend+2 interior Iendp3 =BOUNDS(ng) % Iendp3 (tile) ! Iend+3 Jstrm3 =BOUNDS(ng) % Jstrm3 (tile) ! Jstr-3 Jstrm2 =BOUNDS(ng) % Jstrm2 (tile) ! Jstr-2 Jstrm1 =BOUNDS(ng) % Jstrm1 (tile) ! Jstr-1 JstrVm2=BOUNDS(ng) % JstrVm2(tile) ! JstrV-2 JstrVm1=BOUNDS(ng) % JstrVm1(tile) ! JstrV-1 Jendp1 =BOUNDS(ng) % Jendp1 (tile) ! Jend+1 Jendp2 =BOUNDS(ng) % Jendp2 (tile) ! Jend+2 Jendp2i=BOUNDS(ng) % Jendp2i(tile) ! Jend+2 interior Jendp3 =BOUNDS(ng) % Jendp3 (tile) ! Jend+3 ! !---------------------------------------------------------------------- ! Set-up requested field for current tile. !---------------------------------------------------------------------- ! ! Set switch to apply boundary conditions. ! IF (PRESENT(SetBC)) THEN LapplyBC=SetBC ELSE LapplyBC=.TRUE. END IF ! ! Get requested field information from global storage. ! Lgrided=Linfo(1,ifield,ng) Lonerec=Linfo(3,ifield,ng) gtype =Iinfo(1,ifield,ng) Tindex =Iinfo(8,ifield,ng) update=.TRUE. ! ! Set linear, time interpolation factors. Fractional seconds are ! rounded to the nearest milliseconds integer towards zero in the ! time interpolation weights. ! SecScale=1000.0_dp ! seconds to milliseconds it1=3-Tindex it2=Tindex fac1=ANINT((time(ng)-Tintrp(it2,ifield,ng))*SecScale,dp) fac2=ANINT((Tintrp(it1,ifield,ng)-time(ng))*SecScale,dp) ! ! Load time-invariant data. Time interpolation is not necessary. ! IF (Lonerec) THEN IF (Lgrided) THEN DO j=JstrR,JendR DO i=IstrR,IendR Fout(i,j)=Finp(i,j,Tindex) END DO END DO ELSE Fval=Fpoint(Tindex,ifield,ng) DO j=JstrR,JendR DO i=IstrR,IendR Fout(i,j)=Fval END DO END DO END IF ! ! Time-interpolate from gridded or point data. ! ELSE IF (((fac1*fac2).ge.0.0_dp).and. & & ((fac1+fac2).gt.0.0_dp)) THEN fac=1.0_dp/(fac1+fac2) fac1=fac*fac1 ! nondimensional fac2=fac*fac2 ! nondimensional IF (Lgrided) THEN DO j=JstrR,JendR DO i=IstrR,IendR Fout(i,j)=fac1*Finp(i,j,it1)+fac2*Finp(i,j,it2) END DO END DO ELSE Fval=fac1*Fpoint(it1,ifield,ng)+fac2*Fpoint(it2,ifield,ng) DO j=JstrR,JendR DO i=IstrR,IendR Fout(i,j)=Fval END DO END DO END IF ! ! Activate synchronization flag if a new time record needs to be ! read in at the next time step. ! IF ((time(ng)-dt(ng)).lt.Tintrp(it2,ifield,ng)) THEN IF (DOMAIN(ng)%SouthWest_Test(tile)) synchro_flag(ng)=.TRUE. END IF ! ! Unable to set-up requested field. Activate error flag to quit. ! ELSE IF (DOMAIN(ng)%SouthWest_Test(tile)) THEN IF (Master) THEN WRITE (stdout,10) TRIM(Vname(1,ifield)), tdays(ng), & & Finfo(1,ifield,ng), Finfo(2,ifield,ng), & & Finfo(3,ifield,ng), Finfo(4,ifield,ng), & & Tintrp(it1,ifield,ng)*sec2day, & & Tintrp(it2,ifield,ng)*sec2day, & & fac1*sec2day/SecScale, & & fac2*sec2day/SecScale END IF 10 FORMAT (/,' SET_2DFLDR - current model time', & & ' exceeds ending value for variable: ',a, & & /,14x,'TDAYS = ',f15.4, & & /,14x,'Data Tmin = ',f15.4,2x,'Data Tmax = ',f15.4, & & /,14x,'Data Tstr = ',f15.4,2x,'Data Tend = ',f15.4, & & /,14x,'TINTRP1 = ',f15.4,2x,'TINTRP2 = ',f15.4, & & /,14x,'FAC1 = ',f15.4,2x,'FAC2 = ',f15.4) exit_flag=2 update=.FALSE. END IF END IF ! ! Exchange boundary data. ! IF (update) THEN IF (LapplyBC.and.(EWperiodic(ng).or.NSperiodic(ng))) THEN IF (gtype.eq.r2dvar) THEN CALL exchange_r2d_tile (ng, tile, & & LBi, UBi, LBj, UBj, & & Fout) ELSE IF (gtype.eq.u2dvar) THEN CALL exchange_u2d_tile (ng, tile, & & LBi, UBi, LBj, UBj, & & Fout) ELSE IF (gtype.eq.v2dvar) THEN CALL exchange_v2d_tile (ng, tile, & & LBi, UBi, LBj, UBj, & & Fout) END IF END IF IF (.not.LapplyBC) THEN CALL mp_exchange2d (ng, tile, model, 1, & & LBi, UBi, LBj, UBj, & & NghostPoints, & & .FALSE., .FALSE., & & Fout) ELSE CALL mp_exchange2d (ng, tile, model, 1, & & LBi, UBi, LBj, UBj, & & NghostPoints, & & EWperiodic(ng), NSperiodic(ng), & & Fout) END IF END IF RETURN END SUBROUTINE set_2dfldr_tile END MODULE set_2dfldr_mod