[445] | 1 | ;+ |
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| 2 | ; |
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| 3 | ; @file_comments |
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| 4 | ; compute the 3D e3u from e3t and e3t_ps |
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| 5 | ; |
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| 6 | ; @categories |
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| 7 | ; diagnostics |
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| 8 | ; |
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| 9 | ; @keyword e1 {default=0}{type=scalar: 0 or 1} |
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| 10 | ; activate to compute e1u * e3u instead of e3u |
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| 11 | ; note that of both keywords e1 and e2 are acticated we compute e1u * e2u * e3u instead of e3u |
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| 12 | ; |
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| 13 | ; @keyword e2 {default=0}{type=scalar: 0 or 1} |
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| 14 | ; activate to compute e2u * e3u instead of e3u |
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| 15 | ; note that of both keywords e1 and e2 are acticated we compute e1u * e2u * e3u instead of e3u |
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| 16 | ; |
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| 17 | ; @returns |
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| 18 | ; e3u 3D array |
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| 19 | ; |
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| 20 | ; @uses |
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| 21 | ; cm_4mesh.pro |
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| 22 | ; |
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| 23 | ; @history |
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| 24 | ; Sebastien Masson, Jan 2011 |
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| 25 | ; |
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| 26 | ; @version |
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| 27 | ; $Id$ |
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| 28 | ; |
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| 29 | ;- |
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| 30 | function e3u_3d, e1 = e1, e2 = e2 |
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| 31 | ; |
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| 32 | compile_opt idl2, strictarrsubs |
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| 33 | ; |
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| 34 | @cm_4mesh |
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| 35 | ; |
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| 36 | IF keyword_set(key_partialstep) THEN lastx = ( lastxu + 1 ) < ( jpi - 1 ) ELSE lastx = lastxu |
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| 37 | nx = lastx - firstxu + 1 |
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| 38 | ; get e3t 3D |
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| 39 | e3t3d = e3t_3d(fstx = firstxu, lstx = lastx, fsty = firstyu, lsty = lastyu) |
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| 40 | ; |
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| 41 | IF keyword_set(key_partialstep) THEN BEGIN |
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| 42 | ; |
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| 43 | ; Rebuild the U-point 3D partial steps array from T-point 3D e3t_3D array |
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| 44 | ; |
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| 45 | tmp = shift(e3t3d, -1, 0, 0) |
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| 46 | IF nx EQ nxu THEN BEGIN |
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| 47 | IF keyword_set(key_periodic) THEN BEGIN |
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| 48 | IF nx NE jpi THEN BEGIN |
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| 49 | ; get the values from i = 0 |
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| 50 | tmp[nx-1, *, *] = e3t_3d(fstx = 0, lstx = 0, fsty = firstyu, lsty = lastyu) |
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| 51 | ENDIF |
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| 52 | ENDIF ELSE BEGIN |
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| 53 | tmp[nx-1, *, *] = e3t3d[nx-1, *, *] |
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| 54 | ENDELSE |
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| 55 | ENDIF |
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| 56 | e3u3d = [ [ (temporary(e3t3d))[*] ], [ (temporary(tmp))[*] ] ] |
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| 57 | e3u3d = min(temporary(e3u3d), dimension = 2) |
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| 58 | e3u3d = reform(e3u3d, nx, nyu, nzt, /overwrite) |
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| 59 | ; |
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| 60 | IF nx EQ nxu + 1 THEN e3u3d = (temporary(e3u3d))[0:nx-2, *, *] |
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| 61 | ; |
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| 62 | ENDIF ELSE e3u3d = temporary(e3t3d) |
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| 63 | ; |
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| 64 | CASE 1 OF |
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| 65 | keyword_set(e1) AND keyword_set(e2):arr2d = e1u[firstxu:lastxu, firstyu:lastyu] $ |
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| 66 | * e2u[firstxu:lastxu, firstyu:lastyu] |
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| 67 | keyword_set(e1) :arr2d = e1u[firstxu:lastxu, firstyu:lastyu] |
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| 68 | keyword_set(e2):arr2d = e2u[firstxu:lastxu, firstyu:lastyu] |
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| 69 | ELSE: |
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| 70 | ENDCASE |
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| 71 | ; |
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| 72 | IF n_elements(arr2d) NE 0 THEN e3u3d = temporary(e3u3d) * ( arr2d[*] # replicate(1., nzt) ) |
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| 73 | ; |
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| 74 | return, e3u3d |
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| 75 | END |
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| 76 | |
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