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module grid_change |
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|
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use dimens_m, only: iim, jjm |
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|
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IMPLICIT NONE |
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|
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logical, save:: dyn_phy(iim + 1, jjm + 1) |
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! (mask for distinct points in the scalar grid and the "u" grid, |
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! first index is for longitude, second index is for latitude) |
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|
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private iim, jjm |
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|
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contains |
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|
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subroutine init_dyn_phy |
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|
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! Construct the mask: |
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dyn_phy = .true. |
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dyn_phy(2:, 1) = .false. |
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dyn_phy(2:, jjm + 1) = .false. |
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dyn_phy(iim + 1, 2:jjm) = .false. |
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! Note that "count(dyn_phy)" equals "klon" |
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|
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end subroutine init_dyn_phy |
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|
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!******************************************** |
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|
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function gr_fi_dyn(pfi) |
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|
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! From gr_fi_dyn.F, version 1.1.1.1 2004/05/19 12:53:05 |
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! Passage d'un champ de la grille physique à la grille dynamique |
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|
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use dimphy, only: klon |
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|
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REAL, intent(in):: pfi(:) ! (klon) |
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real gr_fi_dyn(iim + 1, jjm + 1) |
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|
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! Variable local to the procedure: |
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real field(iim + 1, jjm + 1) |
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|
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!----------------------------------------------------------------------- |
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|
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if (size(pfi) /= klon) stop "gr_fi_dyn" |
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|
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! Traitement des pôles : |
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field(2:, 1) = pfi(1) |
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field(2:, jjm + 1) = pfi(klon) |
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! (We leave undefined elements in "field") |
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|
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gr_fi_dyn = unpack(pfi, dyn_phy, field) |
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! Undefined elements at last longitude in "gr_fi_dyn" come from |
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! undefined elements in "field". |
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! Overwrite them now, knowing that last longitude equals first longitude: |
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gr_fi_dyn(iim + 1, 2:jjm) = gr_fi_dyn(1, 2:jjm) |
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|
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END function gr_fi_dyn |
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|
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!******************************************** |
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|
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function gr_phy_write_2d(pfi) |
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|
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! From phylmd/physiq.F, version 1.22 2006/02/20 09:38:28 |
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! Transforme une variable de la grille physique à la grille d'écriture. |
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! The grid for output files does not duplicate the first longitude |
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! in the last longitude. |
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|
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use dimphy, only: klon |
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|
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REAL, intent(in):: pfi(:) |
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real gr_phy_write_2d(iim, jjm + 1) |
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|
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! Variable local to the procedure: |
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real field(iim, jjm + 1) |
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|
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!----------------------------------------------------------------------- |
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|
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if (size(pfi) /= klon) stop "gr_phy_write_2d" |
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|
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! Traitement des pôles : |
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field(2:, 1) = pfi(1) |
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field(2:, jjm + 1) = pfi(klon) |
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|
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gr_phy_write_2d = unpack(pfi, dyn_phy(:iim, :), field) |
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|
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END function gr_phy_write_2d |
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|
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end module grid_change |
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