[2] | 1 | ;------------------------------------------------------------ |
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| 2 | ;------------------------------------------------------------ |
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| 3 | ;------------------------------------------------------------ |
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| 4 | ;+ |
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| 5 | ; NAME:tracegrille |
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| 6 | ; |
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| 7 | ; PURPOSE:dessine la grille |
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| 8 | ; |
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| 9 | ; CATEGORY: |
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| 10 | ; |
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| 11 | ; CALLING SEQUENCE:tracegrille |
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| 12 | ; |
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[13] | 13 | ; INPUTS:glam et gphi, les tableaux 1d ou 2d des position en |
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| 14 | ; longitude/latitude des points de la grille. Si glam et gphi ne sont |
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| 15 | ; pas specifies, trace la grille specifiee par vargrid, sur le domaine |
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| 16 | ; definit par le dernier domdef. |
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[2] | 17 | ; |
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| 18 | ; KEYWORD PARAMETERS: |
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| 19 | ; |
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| 20 | ; XSTRIDE un entier pour specifier qu''on ne veut tracer |
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| 21 | ; qu''une ligne de i constant tout les xstride points |
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| 22 | ; |
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| 23 | ; YSTRIDE un entier pour specifier qu''on ne veut tracer |
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| 24 | ; qu''une ligne de j constant tout les ystride points |
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| 25 | ; |
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[13] | 26 | ; /OCEAN: pour ne tracer la grille que sur les points oceans |
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[2] | 27 | ; |
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[13] | 28 | ; /EARTH: pour ne tracer la grille que sur les points terre |
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[2] | 29 | ; |
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[13] | 30 | ; /RMOUT:select to remove all cell having one corner out of the |
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| 31 | ; plot boundaries (!x.range, !y.range) |
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| 32 | ; |
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[2] | 33 | ; + tous les mots clefs de la procedure PLOTS |
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| 34 | ; |
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| 35 | ; OUTPUTS:none |
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| 36 | ; |
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| 37 | ; COMMON BLOCKS:common.pro |
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| 38 | ; |
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[13] | 39 | ; SIDE EFFECTS: |
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[2] | 40 | ; |
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| 41 | ; RESTRICTIONS: |
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| 42 | ; |
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| 43 | ; EXAMPLE: |
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| 44 | ; |
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[13] | 45 | ; IDL> plt,indgen(jpi,jpj),/nocontour,/nofill |
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| 46 | ; IDL> vargrid='T' |
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[2] | 47 | ; IDL> tracegrille,/ocean,color=20 |
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| 48 | ; IDL> tracegrille,/earth,color=80 |
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| 49 | ; |
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| 50 | ; |
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| 51 | ; MODIFICATION HISTORY:Sebastien Masson (smasson@lodyc.jussieu.fr) |
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| 52 | ; |
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| 53 | ;- |
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| 54 | ;------------------------------------------------------------ |
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| 55 | ;------------------------------------------------------------ |
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| 56 | ;------------------------------------------------------------ |
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[13] | 57 | PRO tracegrille, glamin, gphiin, OCEAN = ocean, EARTH = earth $ |
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| 58 | , XSTRIDE = xstride, YSTRIDE = ystride, RMOUT = rmout $ |
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| 59 | , _extra = extra |
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| 60 | ;--------------------------------------------------------- |
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| 61 | @cm_4mesh |
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| 62 | @cm_4data |
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| 63 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
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| 64 | @updatenew |
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| 65 | ENDIF |
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| 66 | ;--------------------------------------------------------- |
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| 67 | tempsun = systime(1) ; pour key_performance |
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| 68 | ; to avoid warning message |
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| 69 | oldexcept = !except |
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| 70 | !except = 0 |
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| 71 | if n_elements(key_gridtype) EQ 0 then key_gridtype = 'c' |
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| 72 | ; |
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| 73 | if n_elements(glamin) * n_elements(gphiin) EQ 0 then BEGIN |
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| 74 | grille, mask, glam, gphi, gdep, nx, ny, nz, firstx, firsty, firstz, lastx, lasty, lastz |
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| 75 | IF keyword_set(ocean) AND key_gridtype EQ 'c' THEN BEGIN |
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| 76 | ; we reduce the mask to take into account the point located ON the coastline. |
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| 77 | CASE vargrid OF |
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| 78 | 'U':BEGIN |
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| 79 | mask = tmask[firstx:lastx, firsty:lasty] |
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| 80 | IF NOT keyword_set(key_periodic) OR nx NE jpi $ |
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| 81 | THEN tmpx = mask[nx-1, *] |
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| 82 | mask = (mask+shift(mask, -1, 0)) < 1 |
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| 83 | IF NOT keyword_set(key_periodic) OR nx NE jpi $ |
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| 84 | THEN mask[nx-1, *] = temporary(tmpx) |
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| 85 | END |
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| 86 | 'V':BEGIN |
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| 87 | mask = tmask[firstx:lastx, firsty:lasty] |
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| 88 | tmpy = mask[*, ny-1] |
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| 89 | mask = (mask+shift(mask, 0, -1)) < 1 |
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| 90 | mask[*, ny-1] = temporary(tmpy) |
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| 91 | END |
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| 92 | 'F':BEGIN |
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| 93 | mask = tmask[firstx:lastx, firsty:lasty] |
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| 94 | IF NOT keyword_set(key_periodic) OR nx NE jpi $ |
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| 95 | THEN tmpx = mask[nx-1, *] |
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| 96 | tmpy = mask[*, ny-1] |
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| 97 | mask = (mask+shift(mask, -1, 0)+shift(mask, 0, -1)+shift(mask, -1, -1)) < 1 |
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| 98 | mask[*, ny-1] = temporary(tmpy) |
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| 99 | IF NOT keyword_set(key_periodic) OR nx NE jpi $ |
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| 100 | THEN mask[nx-1, *] = temporary(tmpx) |
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| 101 | END |
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| 102 | ELSE: |
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| 103 | ENDCASE |
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| 104 | ENDIF |
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| 105 | ENDIF ELSE BEGIN |
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| 106 | glam = glamin |
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| 107 | gphi = gphiin |
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| 108 | IF (size(glam))[0] EQ 1 AND (size(gphi))[0] EQ 1 THEN BEGIN |
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| 109 | nx = n_elements(glam) |
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| 110 | ny = n_elements(gphi) |
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| 111 | glam = glam#replicate(1, ny) |
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| 112 | gphi = replicate(1, nx)#gphi |
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| 113 | ENDIF ELSE BEGIN |
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| 114 | nx = (size(glam))[1] |
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| 115 | ny = (size(glam))[2] |
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| 116 | ENDELSE |
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| 117 | ENDELSE |
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| 118 | if n_elements(mask) EQ 0 then mask = replicate(1b, nx, ny) |
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| 119 | if (size(mask))[0] EQ 3 then mask = mask[*, *, 0] |
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| 120 | ; |
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| 121 | IF keyword_set(RMOUT) THEN BEGIN |
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| 122 | out = where(glam GT max(!x.range) OR glam LT min(!x.range) $ |
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| 123 | OR gphi GT max(!y.range) OR gphi LT min(!y.range)) |
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| 124 | IF out[0] NE -1 THEN BEGIN |
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| 125 | glam[out] = !values.f_nan |
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| 126 | gphi[out] = !values.f_nan |
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| 127 | ENDIF |
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| 128 | ENDIF |
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| 129 | ; |
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| 130 | IF keyword_set(ocean) then BEGIN |
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| 131 | earth = where(mask EQ 0) |
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| 132 | if earth[0] NE -1 then begin |
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| 133 | glam[earth] = !values.f_nan |
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| 134 | gphi[earth] = !values.f_nan |
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| 135 | ENDIF |
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| 136 | earth = 0 |
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| 137 | ENDIF |
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| 138 | ; |
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| 139 | IF keyword_set(earth) THEN BEGIN |
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| 140 | ocean = where(mask EQ 1) |
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| 141 | if ocean[0] NE -1 then begin |
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| 142 | glam[ocean] = !values.f_nan |
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| 143 | gphi[ocean] = !values.f_nan |
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| 144 | ENDIF |
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| 145 | ocean = 0 |
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| 146 | ENDIF |
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| 147 | ; |
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| 148 | if NOT keyword_set(xstride) then xstride = 1 |
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| 149 | if NOT keyword_set(ystride) then ystride = 1 |
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| 150 | case key_gridtype of |
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| 151 | 'c':BEGIN |
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| 152 | for i = 0, ny-1, ystride do begin |
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| 153 | plots, glam[*, i], gphi[*, i], _extra = extra |
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| 154 | endfor |
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| 155 | for i = 0, nx-1, xstride do begin |
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| 156 | plots, glam[i, *], gphi[i, *], _extra = extra |
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| 157 | endfor |
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| 158 | END |
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| 159 | 'e':BEGIN |
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| 160 | shifted = glam[0, 0] LT glam[0, 1] |
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| 161 | glam2 = glam+(glam[1]-glam[0])/2. |
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| 162 | if shifted then begin |
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| 163 | for i = 0, ny-2 do BEGIN |
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| 164 | xx = (transpose([[glam[*, i]], [glam2[*, i]]]))[*] |
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| 165 | yy = (transpose([[gphi[*, i]], [gphi[*, i+1]]]))[*] |
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| 166 | plots, xx[0:2*nx-2], yy[0:2*nx-2], _extra = extra |
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| 167 | ENDFOR |
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| 168 | ENDIF ELSE BEGIN |
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| 169 | for i = 1, ny-1 do BEGIN |
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| 170 | xx = (transpose([[glam[*, i]], [glam2[*, i]]]))[*] |
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| 171 | yy = (transpose([[gphi[*, i]], [gphi[*, i-1]]]))[*] |
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| 172 | plots, xx[0:2*nx-2], yy[0:2*nx-2], _extra = extra |
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| 173 | ENDFOR |
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| 174 | ENDELSE |
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| 175 | for i = 1, (ny-1)/2 do $ |
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| 176 | plots, [glam[0, 2*i-1], glam[0, 2*i]] $ |
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| 177 | , [gphi[0, 2*i-1], gphi[0, 2*i]], _extra = extra |
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| 178 | for i = 0, (ny-2)/2 do $ |
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| 179 | plots, [glam[nx-1, 2*i], glam[nx-1, 2*i+1]] $ |
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| 180 | , [gphi[nx-1, 2*i], gphi[nx-1, 2*i+1]], _extra = extra |
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| 181 | END |
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| 182 | endcase |
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[2] | 183 | |
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[13] | 184 | if keyword_set(key_performance) THEN print, 'temps trace grille', systime(1)-tempsun |
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| 185 | !except = oldexcept |
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[2] | 186 | |
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[13] | 187 | return |
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[2] | 188 | end |
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