[2] | 1 | ;------------------------------------------------------------ |
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| 2 | ;------------------------------------------------------------ |
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| 3 | ;------------------------------------------------------------ |
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| 4 | ;+ |
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| 5 | ; NAME:triangule_e |
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| 6 | ; |
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| 7 | ; PURPOSE:buid the triangulation for a E-grid type |
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| 8 | ; |
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| 9 | ; CATEGORY: |
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| 10 | ; |
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| 11 | ; CALLING SEQUENCE: |
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| 12 | ; |
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| 13 | ; INPUTS: |
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| 14 | ; |
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| 15 | ; KEYWORD PARAMETERS: |
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| 16 | ; |
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| 17 | ; OUTPUTS: |
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| 18 | ; |
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| 19 | ; COMMON BLOCKS:common.pro |
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| 20 | ; |
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| 21 | ; SIDE EFFECTS: |
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| 22 | ; |
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| 23 | ; RESTRICTIONS: |
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| 24 | ; |
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| 25 | ; EXAMPLE: |
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| 26 | ; |
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| 27 | ; MODIFICATION HISTORY:Sebastien Masson (smasson@lodyc.jussieu.fr) |
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| 28 | ; june 2001 |
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| 29 | ;- |
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| 30 | ;------------------------------------------------------------ |
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| 31 | ;------------------------------------------------------------ |
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| 32 | ;------------------------------------------------------------ |
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| 33 | FUNCTION triangule_e, maskentree, COINMONTE = coinmonte, COINDESCEND = coindescend $ |
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| 34 | , SHIFTED = shifted, REGULIER = regulier, PERIODIQUE = periodique |
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| 35 | tempsun = systime(1) ; pour key_performance |
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| 36 | @common |
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| 37 | ;; |
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| 38 | ;------------------------------------------------------------ |
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| 39 | ; le masque est donne ou il faut prendre tmask? |
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| 40 | ;------------------------------------------------------------ |
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| 41 | ; |
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| 42 | msk = maskentree |
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| 43 | sizem = size(msk) |
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| 44 | nx = sizem[1] |
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| 45 | ny = sizem[2] |
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| 46 | ;------------------------------------------------------------ |
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| 47 | if n_elements(periodique) EQ 0 then periodique = keyword_set(key_periodique) |
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| 48 | if keyword_set(key_periodique) and keyword_set(periodique) $ |
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| 49 | AND NOT keyword_set(regulier) then BEGIN |
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| 50 | msk = [msk, msk[0, *]] |
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| 51 | nx = nx+1 |
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| 52 | ENDIF |
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| 53 | ; |
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| 54 | ; we will find the diamond that must be cut in two triangle using the |
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| 55 | ; horizontal diagonal. |
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| 56 | ; |
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| 57 | index = lindgen(nx, ny) |
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| 58 | index = index[0:nx-2, 1:ny-2] |
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| 59 | if n_elements(shifted) EQ 0 then shifted = 1 |
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| 60 | oddeven = (index/nx+1-shifted) MOD 2 |
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| 61 | msk1 = msk[index] |
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| 62 | msk2 = msk[index+1] |
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| 63 | sum = msk[index-nx+oddeven]+msk[index+nx+oddeven] |
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| 64 | sum1 = msk2+sum |
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| 65 | sum2 = msk1+sum |
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| 66 | ; |
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| 67 | ; horizontal |
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| 68 | ; |
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| 69 | singularpoint = where((msk1 EQ 0 AND sum1 EQ 3) OR (msk1 EQ 1 AND sum1 EQ 0) $ |
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| 70 | OR (msk2 EQ 0 AND sum2 EQ 3) OR (msk2 EQ 1 AND sum2 EQ 0) $ |
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| 71 | OR (sum EQ 0 AND (msk1+msk2) EQ 2) ) |
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| 72 | if singularpoint[0] NE -1 then begin |
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| 73 | horizontal = index[singularpoint] |
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| 74 | triang = definetri_e(nx, ny, horizontal, SHIFTED = shifted) |
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| 75 | ENDIF ELSE triang = definetri_e(nx, ny, SHIFTED = shifted) |
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| 76 | ; coinmont = index[where(sum EQ 2 AND (msk1+msk2) EQ 0)] |
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| 77 | ; coindesc = index[where(sum EQ 0 AND (msk1+msk2) EQ 2)] |
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| 78 | ; |
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| 79 | ; we keep only the triangles which are outside the land |
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| 80 | ; but for some reasons we will in fact delete the land diamond |
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| 81 | ; |
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| 82 | ; allrecinland = where(sum1+msk1 EQ 0) |
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| 83 | ; indexallinland = index[allrecinland] |
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| 84 | ; otherrec = (lindgen(nx, ny))[0:nx-2, 1:ny-2] |
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| 85 | ; otherrec = different(otherrec, indexallinland) |
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| 86 | ; ; |
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| 87 | ; index = lindgen(nx, ny) |
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| 88 | ; index = index[0:nx-3, 2:ny-3] |
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| 89 | ; out = inter(index, indexallinland) |
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| 90 | ; IF out[0] NE -1 THEN begin |
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| 91 | ; out = inter(out+1, indexallinland) |
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| 92 | ; IF out[0] NE -1 THEN begin |
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| 93 | ; out = out-1 |
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| 94 | ; oddeven = (out/nx+1-shifted) MOD 2 |
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| 95 | ; out = inter(out-nx+oddeven, otherrec) |
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| 96 | ; IF out[0] NE -1 THEN begin |
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| 97 | ; out = inter(out+2*nx, otherrec) |
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| 98 | ; IF out[0] NE -1 THEN begin |
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| 99 | ; out = out-(nx+((out/nx+shifted) MOD 2)) |
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| 100 | ; endif |
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| 101 | ; endif |
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| 102 | ; endif |
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| 103 | ; ENDIF |
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| 104 | ; help, out |
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| 105 | ; ; |
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| 106 | ; index = lindgen(nx, ny) |
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| 107 | ; index = index[0:nx-3, 2:ny-3] |
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| 108 | ; out = inter(index, otherrec) |
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| 109 | ; IF out[0] NE -1 THEN begin |
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| 110 | ; out = inter(out+1, otherrec) |
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| 111 | ; IF out[0] NE -1 THEN begin |
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| 112 | ; out = out-1 |
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| 113 | ; oddeven = (out/nx+1-shifted) MOD 2 |
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| 114 | ; out = inter(out-nx+oddeven, indexallinland) |
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| 115 | ; IF out[0] NE -1 THEN begin |
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| 116 | ; out = inter(out+2*nx, indexallinland) |
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| 117 | ; IF out[0] NE -1 THEN begin |
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| 118 | ; out = out-(nx+((out/nx+shifted) MOD 2)) |
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| 119 | ; endif |
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| 120 | ; endif |
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| 121 | ; endif |
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| 122 | ; endif |
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| 123 | ; help, out |
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| 124 | ; ; |
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| 125 | ; IF out[0] EQ -1 THEN out = different(indexallinland, out) ELSE out = indexallinland |
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| 126 | ; triout = numtri(out, nx, ny) |
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| 127 | ; triout = [triout, triout+1] |
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| 128 | ; goodtri = lindgen(2*(nx-1)*(ny-1)) |
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| 129 | ; goodtri = different(goodtri, triout) |
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| 130 | ; triang = triang[*, temporary(goodtri)] |
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| 131 | |
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| 132 | ; ; |
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| 133 | ;------------------------------------------------------------ |
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| 134 | ; quand key_periodique eq 1, triang est une liste d''indice d'un |
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| 135 | ; tableau qui a une colonne de trop. |
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| 136 | ; il faut ramener ca a la matrice initiale en mettant les indivces de |
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| 137 | ; la derniere colonne egaux a ceux de la derniere colonne... |
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| 138 | ;------------------------------------------------------------ |
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| 139 | tempdeux = systime(1) ; pour key_performance =2 |
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| 140 | if keyword_set(key_periodique) and keyword_set(periodique) $ |
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| 141 | AND NOT keyword_set(regulier) then BEGIN |
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| 142 | indicey = triang/nx |
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| 143 | indicex = triang-indicey*nx |
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| 144 | nx = nx-1 |
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| 145 | liste = where(indicex EQ nx) |
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| 146 | if liste[0] NE -1 then indicex[liste] = 0 |
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| 147 | triang = indicex+nx*indicey |
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| 148 | nx = nx+1 |
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| 149 | ; if coinmont[0] NE -1 then begin |
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| 150 | ; indicey = coinmont/nx |
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| 151 | ; indicex = coinmont-indicey*nx |
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| 152 | ; nx = nx-1 |
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| 153 | ; liste = where(indicex EQ nx) |
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| 154 | ; if liste[0] NE -1 THEN indicex[liste] = 0 |
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| 155 | ; coinmont = indicex+nx*indicey |
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| 156 | ; nx = nx+1 |
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| 157 | ; endif |
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| 158 | ; if coindesc[0] NE -1 then begin |
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| 159 | ; indicey = coindesc/nx |
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| 160 | ; indicex = coindesc-indicey*nx |
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| 161 | ; nx = nx-1 |
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| 162 | ; liste = where(indicex EQ nx) |
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| 163 | ; if liste[0] NE -1 THEN indicex[liste] = 0 |
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| 164 | ; coindesc = indicex+nx*indicey |
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| 165 | ; nx = nx+1 |
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| 166 | ; endif |
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| 167 | endif |
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| 168 | IF testvar(var = key_performance) EQ 2 THEN $ |
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| 169 | print, 'temps triangule: finitions', systime(1)-tempdeux |
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| 170 | |
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| 171 | ;------------------------------------------------------------ |
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| 172 | ; if arg_present(coinmonte) THEN coinmonte = coinmont ELSE cointerremont = coinmont |
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| 173 | ; if arg_present(coindescend) THEN coindescend = coindesc ELSE cointerredesc = coindesc |
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| 174 | ; |
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| 175 | ; |
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| 176 | ;------------------------------------------------------------ |
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| 177 | |
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| 178 | |
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| 179 | IF keyword_set(key_performance) THEN print, 'temps triangule', systime(1)-tempsun |
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| 180 | |
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| 181 | return, triang |
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| 182 | |
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| 183 | END |
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