| 1 | ;+ |
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| 2 | ; |
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| 3 | ; @file_comments |
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| 4 | ; Allows to pass from a 2d level array to a 2d depth array corresponding to |
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| 5 | ; these levels |
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| 6 | ; |
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| 7 | ; @categories |
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| 8 | ; Without loop |
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| 9 | ; |
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| 10 | ; @param TAB {in}{required}{type=2d array} |
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| 11 | ; 2d level array of sill levels (or a structure respecting <pro>litchamp</pro> |
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| 12 | ; criterions) |
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| 13 | ; |
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| 14 | ; @keyword NOMASK |
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| 15 | ; To do not mask land points. |
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| 16 | ; |
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| 17 | ; @returns |
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| 18 | ; 2d array containing depths |
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| 19 | ; |
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| 20 | ; @uses |
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| 21 | ; common.pro |
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| 22 | ; |
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| 23 | ; @history |
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| 24 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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| 25 | ; 17/6/1999 |
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| 26 | ; 14/6/2000 accepte !values.f_nan |
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| 27 | ; |
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| 28 | ; @version |
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| 29 | ; $Id$ |
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| 30 | ; |
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| 31 | ;- |
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| 32 | FUNCTION level2depth, tab, NOMASK=nomask |
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| 33 | ; |
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| 34 | compile_opt idl2, strictarrsubs |
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| 35 | ; |
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| 36 | tempsun = systime(1) ; To key_performance |
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| 37 | @common |
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| 38 | ;------------------------------------------------------------ |
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| 39 | ; Reading of the input field and recovery of the used subdomain's size |
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| 40 | ;------------------------------------------------------------ |
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| 41 | niveaux = litchamp(tab) |
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| 42 | grille,mask, -1, -1,gdep,nx,ny,nz,firstx,firsty,firstz,lastx,lasty,lastz |
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| 43 | ;--------------------------------------------------------------- |
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| 44 | ; verification of the coherence between array's size and the domain defined |
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| 45 | ; by domdef |
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| 46 | ;--------------------------------------------------------------- |
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| 47 | taille = size(niveaux) |
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| 48 | if taille[0] NE 2 then return, report('input field must be a 2d array') |
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| 49 | case 1 of |
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| 50 | taille[1] eq jpi and taille[2] eq jpj:niveaux=niveaux[firstx:lastx, firsty:lasty] |
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| 51 | taille[1] eq nx and taille[2] eq ny: |
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| 52 | else:return, report('Probleme d''adequation entre les tailles du domaine et celle du champ.') |
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| 53 | endcase |
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| 54 | ;--------------------------------------------------------------- |
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| 55 | |
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| 56 | wherenan = where(finite(niveaux, /nan) EQ 1) |
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| 57 | if wherenan[0] NE -1 then niveaux[wherenan] = 0 |
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| 58 | niveaux = 0 > niveaux < (jpk-1) |
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| 59 | ;--------------------------------------------------------------- |
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| 60 | gdep = replicate(1, nx*ny)#gdep |
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| 61 | niveaux = lindgen(nx*ny)+(nx*ny)*niveaux |
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| 62 | gdep = reform(gdep[niveaux], nx, ny) |
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| 63 | ; |
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| 64 | if wherenan[0] NE -1 then gdep[wherenan] = !values.f_nan |
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| 65 | if NOT keyword_set(nomask) then begin |
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| 66 | if n_elements(valmask) EQ 0 then valmask = 1e20 |
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| 67 | terre = where(mask[*, *, 0] EQ 0) |
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| 68 | if terre[0] NE -1 then gdep[terre] = valmask |
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| 69 | endif |
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| 70 | ; |
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| 71 | if keyword_set(key_performance) THEN print, 'temps level2depth', systime(1)-tempsun |
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| 72 | return, gdep |
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| 73 | end |
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