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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