[2] | 1 | ;+ |
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| 2 | ; |
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[142] | 3 | ; @file_comments |
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[226] | 4 | ; Overlayer contour to trace a field which can be mask. |
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[296] | 5 | ; Elementary brick of <pro>plt</pro>, <pro>pltz</pro> and <pro>pltt</pro>. |
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[2] | 6 | ; |
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[226] | 7 | ; @categories |
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[157] | 8 | ; Graphics |
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[2] | 9 | ; |
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[142] | 10 | ; @param Z2D {in}{required} |
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| 11 | ; The table to trace |
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[2] | 12 | ; |
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[142] | 13 | ; @param X {in}{required} |
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| 14 | ; Axis. Vector or array of the same size that z2d. This is the coordinate of z2d on x. |
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[2] | 15 | ; |
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[142] | 16 | ; @param Y {in}{required} |
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| 17 | ; Axis. Vector or array of the same size that z2d. This is the coordinate of z2d on y. |
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[2] | 18 | ; |
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[163] | 19 | ; @param MASK {in}{required}{type=array} |
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[226] | 20 | ; It is the array who mask z2d (with 0s on points we want to mask and 1s on others). |
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[142] | 21 | ; If z2d is not masked, put this argument equal to 1. |
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[2] | 22 | ; |
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[142] | 23 | ; @param XM {in}{required} |
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[226] | 24 | ; Axis of the mask. Vector or array of the same size that mask. |
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[142] | 25 | ; This is the coordinate of mask on x. |
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[2] | 26 | ; |
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[142] | 27 | ; @param YM {in}{required} |
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[226] | 28 | ; Axis of the mask. Vector or array of the same size that mask. |
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[142] | 29 | ; This is the coordinate of mask on y. |
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[2] | 30 | ; |
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[163] | 31 | ; @param LEVELS {in}{optional}{type=vector} |
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[226] | 32 | ; Vectors which contain levels needed at the contour. |
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[142] | 33 | ; If it is not given, we take 20 levels between the min and the max. |
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[226] | 34 | ; |
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[163] | 35 | ; @param COLORS {in}{optional}{type=vector} |
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[226] | 36 | ; Vectors which contain colors needed at the contour. |
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[142] | 37 | ; If it is not given, we take 20 levels between the min and the max. |
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[2] | 38 | ; |
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[226] | 39 | ; @keyword COLORTRICHAMP |
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[142] | 40 | ; The color we want to use to draw the triangulation which is used to make contours of the field. |
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[2] | 41 | ; |
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[226] | 42 | ; @keyword COLORTRIMASK |
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[142] | 43 | ; The color we want to use to draw the triangulation which is used to make contours of the mask. |
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[2] | 44 | ; |
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[226] | 45 | ; @keyword COLOR_C |
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[142] | 46 | ; To draw the contour in color instead of in black |
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[226] | 47 | ; with filling in color |
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[67] | 48 | ; |
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[226] | 49 | ; @keyword CONT_NOFILL |
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| 50 | ; Activate it not to fill the point mask to let them transparent! |
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[142] | 51 | ; Comment: Nevertheless, we trace mask's contour. |
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[67] | 52 | ; |
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[163] | 53 | ; @keyword CONT_COLOR {default= (!d.n_colors - 1) < 255 =>white} |
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| 54 | ; The color of the continent. |
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[2] | 55 | ; |
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[226] | 56 | ; @keyword DESSTRICHAMP |
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| 57 | ; To draw the triangulation which is used to make field's contours. |
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[2] | 58 | ; |
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[226] | 59 | ; @keyword DESSTRIMASK |
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[142] | 60 | ; To draw the triangulation which is used to make mask's contours. |
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[226] | 61 | ; |
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| 62 | ; @keyword FORPLT |
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[296] | 63 | ; To activate if we want that the drawing of coast be realized by <pro>tracecote</pro> rather than <pro>tracemask</pro>. |
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[2] | 64 | ; |
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[163] | 65 | ; @keyword I_COLORS {type=vector} |
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[226] | 66 | ; It is a vector specifying the colors to use to trace contours. |
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[142] | 67 | ; It is the same thing that c_colors which act on contours. |
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[2] | 68 | ; |
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[163] | 69 | ; @keyword MORE {default=10} |
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[142] | 70 | ; Number to give to avoid style's bugs: |
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[2] | 71 | ; % Out of range subscript encountered: <LONG Array[38911]>. |
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| 72 | ; % Execution halted at: PLTBASE 151 |
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[226] | 73 | ; If the bug still exist, increase the value of more! |
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[142] | 74 | ; (The explanation and the justification of this method do not have scientific bases yet...). |
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[2] | 75 | ; |
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[163] | 76 | ; @keyword NOFILL |
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[246] | 77 | ; To make just isolines with no filling |
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[2] | 78 | ; |
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[163] | 79 | ; @keyword NOCONTOUR |
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[142] | 80 | ; To make just colors. |
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[2] | 81 | ; |
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[419] | 82 | ; @keyword CONTSTRIDE {type=integer} {default=1} |
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| 83 | ; To trace one isoline every contstride. |
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| 84 | ; |
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[163] | 85 | ; @keyword UNSUR2 |
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[419] | 86 | ; Obsolete. use CONTSTRIDE = 2 |
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[2] | 87 | ; |
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[163] | 88 | ; @keyword UNLABSUR {type=integer} |
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| 89 | ; I specify we only label one contour on two. |
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[2] | 90 | ; |
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[226] | 91 | ; @keyword CONTOUR |
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[296] | 92 | ; To be used since <pro>plt</pro>, <pro>pltz</pro> or <pro>pltt</pro>. (Have a look on these routines). |
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[2] | 93 | ; |
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[226] | 94 | ; @keyword _EXTRA |
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[231] | 95 | ; Used to pass keywords |
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[2] | 96 | ; |
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[142] | 97 | ; @uses |
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[370] | 98 | ; <pro>common</pro> |
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[2] | 99 | ; |
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[142] | 100 | ; @restrictions |
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[296] | 101 | ; In the case of z2d, x and y are arrays of same size, we have to put them as vectors: z2d[*], x[*], y[*]. |
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[2] | 102 | ; |
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[142] | 103 | ; @history |
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[157] | 104 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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[142] | 105 | ; ???? |
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| 106 | ; 8/2/2000 check if the tri array is not equal to |
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[296] | 107 | ; -1. allow contour without using a triangulation. |
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[226] | 108 | ; |
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[142] | 109 | ; @version |
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| 110 | ; $Id$ |
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[2] | 111 | ; |
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[493] | 112 | ; @todo seb L.172 Ã 173 |
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[2] | 113 | ; |
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| 114 | ;- |
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[327] | 115 | PRO pltbase, z2d, x, y, mask, xm, ym, levels, colors $ |
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[419] | 116 | , UNSUR2=unsur2, CONTSTRIDE = contstride, CONTOUR=contour $ |
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[327] | 117 | , NOCONTOUR=nocontour, NOFILL=nofill $ |
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| 118 | , TRICHAMP=trichamp, TRIMSK=trimsk $ |
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| 119 | , REALCONT=realcont, NAN=nan, USETRI=usetri $ |
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| 120 | , COLORTRICHAMP=colortrichamp, COLORTRIMASK=colortrimask $ |
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| 121 | , COLORTRINAN=colortrinan $ |
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| 122 | , COLORPOINTS=colorpoints, DRAWPOINTS=drawpoints $ |
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| 123 | , TH_TRICHAMP=th_trichamp, TH_TRIMASK=th_trimask $ |
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| 124 | , DESSTRICHAMP=desstrichamp, DESSTRIMASK=desstrimask $ |
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| 125 | , DESSTRINAN=desstrinan, COLOR_C=color_c $ |
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| 126 | , I_COLORS=i_colors, CONT_COLOR=CONT_COLOR $ |
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| 127 | , CONT_NOFILL=cont_nofill, UNLABSUR=unlabsur $ |
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| 128 | , COINMONTEMASK=coinmontemask, COINDESCENDMASK=coindescendmask $ |
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| 129 | , COINMONTENAN=coinmontenan, COINDESCENDNAN=coindescendnan $ |
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| 130 | , INDICEZOOMMASK=indicezoommask, INDICEZOOMNAN=indicezoomnan $ |
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| 131 | , MASKORG=maskorg, MASKNAN=masknan, TRINAN=trinan $ |
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| 132 | , FORPLT=forplt, REALSECTION=realsection $ |
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| 133 | , MORE=more, EXCHANGE_XY=exchange_xy $ |
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| 134 | , _EXTRA=ex |
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[114] | 135 | ; |
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| 136 | compile_opt idl2, strictarrsubs |
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| 137 | ; |
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[67] | 138 | @cm_4mesh |
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| 139 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
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| 140 | @updatenew |
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| 141 | @updatekwd |
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| 142 | ENDIF |
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| 143 | ;--------------------------------------------------------- |
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[2] | 144 | ; |
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[226] | 145 | ; Explanation concerning contour. This keyword is activated when we trace a |
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[142] | 146 | ; colored contour different from the one with black trait. |
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| 147 | ; If it is activated (case n_elements(contour) NE 0), we pass 2 time in pltbase: |
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| 148 | ; 1) We trace colors then we leave, it is the case: |
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[2] | 149 | ; n_elements(contour) NE 0 AND n_elements(contour) NE 4) |
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[226] | 150 | ; 2) We trace contours in traits then continents, it is the case: |
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[2] | 151 | ; n_elements(contour) NE 0 AND n_elements(contour) EQ 4) |
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| 152 | ; |
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| 153 | ;------------------------------------------------------------ |
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[142] | 154 | tempsun = systime(1) ; To key_performance |
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[67] | 155 | if n_elements(mask) EQ 0 then mask = 1b |
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| 156 | if n_elements(masknan) EQ 0 then masknan = 1b |
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| 157 | IF total(mask) EQ n_elements(z2d) THEN mask = 1b |
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[2] | 158 | ;---------------------------------------------------------------------- |
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[142] | 159 | ; If levels and colors aren't given |
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[2] | 160 | ;---------------------------------------------------------------------- |
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[226] | 161 | if n_params() EQ 4 then $ |
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[67] | 162 | label, 0, min(z2d*mask), max(z2d*mask), ncontour, levels, colors |
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[2] | 163 | ; attention bidouille inexplicable pour que tout se passe bien avec les |
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[493] | 164 | ; postscript ds pltz!!! |
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[67] | 165 | if n_elements(contour) LE 4 AND !x.type EQ 0 THEN $ |
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| 166 | plot, [0], [0], xstyle = 5, ystyle = 5, /nodata, /noerase, title = '', subtitle = '' |
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[2] | 167 | ;---------------------------------------------------------------------- |
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[142] | 168 | ; Is cell_fill is a part of _extra, we desactive it if it is nt equal to 2 |
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[2] | 169 | ;---------------------------------------------------------------------- |
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[226] | 170 | IF chkstru(ex, 'CELL_FILL') THEN BEGIN |
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[67] | 171 | cell_fill = ex.CELL_FILL |
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| 172 | if ex.CELL_FILL NE 2 then ex.CELL_FILL = 0 |
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| 173 | ENDIF ELSE cell_fill = 0 ; |
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[2] | 174 | ;---------------------------------------------------------------------- |
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[390] | 175 | ; I) Filling contours with colors |
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[2] | 176 | ;---------------------------------------------------------------------- |
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[67] | 177 | if NOT keyword_set(more) then more = 10 |
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| 178 | if NOT keyword_set(nofill) AND NOT keyword_set(color_c) then begin |
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[226] | 179 | if n_elements(contour) NE 4 THEN BEGIN |
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[67] | 180 | if usetri EQ 2 then BEGIN |
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| 181 | IF size(x, /n_dimensions) EQ 1 THEN x = x#replicate(1, (size(z2d))[2]) |
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| 182 | IF size(y, /n_dimensions) EQ 1 THEN y = replicate(1, (size(z2d))[1])#y |
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| 183 | contour, [z2d[*], fltarr(more)], [x[*], fltarr(more)] $ |
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| 184 | , [y[*], fltarr(more)], levels = levels, c_color = colors $ |
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| 185 | , /noerase, /fill, TRIANGULATION = trichamp, _extra = ex |
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| 186 | ENDIF ELSE BEGIN |
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| 187 | IF size(x, /n_dimensions) EQ 2 THEN x = x[*, 0] |
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| 188 | IF size(y, /n_dimensions) EQ 2 THEN y = reform(y[0, *]) |
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| 189 | contour, z2d, x, y, levels = levels, c_color = colors, /noerase $ |
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[226] | 190 | , /fill, _extra = ex |
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[67] | 191 | ENDELSE |
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| 192 | ENDIF |
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| 193 | ENDIF |
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[226] | 194 | if n_elements(contour) NE 0 AND n_elements(contour) NE 4 THEN GOTO, fini |
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[67] | 195 | IF chkstru(ex, 'C_ORIENTATION') THEN ex = extractstru(ex, 'C_ORIENTATION') |
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| 196 | IF chkstru(ex, 'C_SPACING') THEN ex = extractstru(ex, 'C_SPACING') |
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| 197 | IF chkstru(ex, 'C_COLORS') THEN ex = extractstru(ex, 'C_COLORS') |
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[2] | 198 | ;------------------------------------------------------------ |
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[390] | 199 | ; II) Drawing contours with lines |
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[2] | 200 | ;------------------------------------------------------------ |
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[67] | 201 | if n_elements(contour) EQ 4 OR n_elements(contour) EQ 0 THEN BEGIN |
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| 202 | ; |
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| 203 | ; we put the masked values to NaN |
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| 204 | ; |
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| 205 | IF (n_elements(mask) GT 1 OR n_elements(masknan) GT 1) $ |
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[226] | 206 | AND NOT keyword_set(cont_nofill) THEN BEGIN |
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| 207 | IF keyword_set(maskorg) THEN tonan = maskorg*masknan ELSE tonan = mask*masknan |
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[171] | 208 | tonan = where(remplit(tonan, nite = 1, mask = tonan $ |
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[67] | 209 | , /basique, fillval = 0 $ |
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| 210 | , fillxdir = keyword_set(realsection)) EQ 0, count) |
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| 211 | IF count NE 0 THEN z2d[temporary(tonan)] = !values.f_nan |
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[226] | 212 | ENDIF |
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[67] | 213 | ; |
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[493] | 214 | ; We do not pass if we have to make different contours... |
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[142] | 215 | ; In the case of unsur2 is activated, we reduce levels |
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[67] | 216 | if NOT keyword_set(nocontour) then begin |
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[114] | 217 | IF keyword_set(unsur2) THEN levels = levels[where(zeroun(n_elements(levels) ) eq 1)] |
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[419] | 218 | IF keyword_set(contstride) THEN levels = levels[where((indgen(n_elements(levels)) MOD contstride) eq 0)] |
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[142] | 219 | ; Is unlabsur activated? Does C_LABEL passed via _EXTRA? |
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[67] | 220 | if keyword_set(unlabsur) THEN IF chkstru(ex, 'C_LABELS') THEN $ |
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| 221 | ex.C_LABELS = 1-((indgen(n_elements(ex.C_LABELS)) MOD unlabsur) < 1) |
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[2] | 222 | ; |
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[142] | 223 | ; Not to fill when cell_fill is imposed... |
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[67] | 224 | IF chkstru(ex, 'CELL_FILL') THEN ex.CELL_FILL = 0 |
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[2] | 225 | ; |
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[67] | 226 | CASE 1 OF |
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| 227 | keyword_set(color_c):c_colors = colors |
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| 228 | keyword_set(i_colors):c_colors = i_colors |
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| 229 | ELSE: |
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| 230 | ENDCASE |
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[2] | 231 | ; |
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[226] | 232 | IF usetri EQ 2 THEN BEGIN |
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[67] | 233 | IF size(x, /n_dimensions) EQ 1 THEN x = x#replicate(1, (size(z2d))[2]) |
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| 234 | IF size(y, /n_dimensions) EQ 1 THEN y = replicate(1, (size(z2d))[1])#y |
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| 235 | contour, [z2d[*], fltarr(more)], [x[*], fltarr(more)] $ |
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| 236 | , [y[*], fltarr(more)], levels = levels $ |
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| 237 | , overplot = 1-keyword_set(nofill), noerase = keyword_set(nofill) $ |
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| 238 | , c_colors = c_colors, TRIANGULATION = trichamp, _extra = ex |
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| 239 | ENDIF ELSE BEGIN |
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| 240 | IF size(x, /n_dimensions) EQ 2 THEN x = x[*, 0] |
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| 241 | IF size(y, /n_dimensions) EQ 2 THEN y = reform(y[0, *]) |
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| 242 | contour, z2d, x, y, levels = levels $ |
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| 243 | , overplot = 1-keyword_set(nofill), noerase = keyword_set(nofill) $ |
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| 244 | , c_colors = c_colors, _extra = ex |
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| 245 | ENDELSE |
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| 246 | ENDIF |
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[2] | 247 | ;---------------------------------------------------------------------- |
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[390] | 248 | ; III) Filling continents with color |
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[2] | 249 | ;---------------------------------------------------------------------- |
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[67] | 250 | IF chkstru(ex, 'CELL_FILL') THEN ex.CELL_FILL = cell_fill < 1 |
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| 251 | IF chkstru(ex, 'LEVELS') THEN ex = extractstru(ex, 'LEVELS') |
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| 252 | IF chkstru(ex, 'NODATA') THEN ex = extractstru(ex, 'NODATA') |
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[226] | 253 | IF NOT keyword_set(cont_color) THEN cont_color = (!d.n_colors-1) < 255 |
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[2] | 254 | ; |
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[226] | 255 | ; If there is points at NaN |
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| 256 | ; We trace points in white at NaN before drawing coasts with a trait. |
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[2] | 257 | ; |
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[246] | 258 | if keyword_set(trinan) AND NOT keyword_set(nofill) THEN BEGIN |
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[67] | 259 | IF size(x, /n_dimensions) EQ 1 THEN x = x#replicate(1, (size(masknan))[2]) |
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| 260 | IF size(y, /n_dimensions) EQ 1 THEN y = replicate(1, (size(masknan))[1])#y |
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| 261 | contour, [1b-masknan[*], fltarr(more)], [x[*], fltarr(more)] $ |
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| 262 | , [y[*], fltarr(more)], levels = 0.5, /overplot, /fill $ |
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| 263 | , c_colors = cont_color, TRIANGULATION = trinan, _extra = ex |
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| 264 | IF keyword_set(forplt) THEN $ |
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| 265 | completecointerre, COINMONTE = coinmontenan $ |
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| 266 | , COINDESCEND = coindescendnan, INDICEZOOM = indicezoomnan $ |
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| 267 | , CONT_COLOR = cont_color, _EXTRA = ex $ |
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| 268 | ELSE fillcornermask, x[*, 0], y[0, *], COINMONTE = coinmontenan $ |
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| 269 | , COINDESCEND = coindescendnan, CONT_COLOR = cont_color, _extra = ex |
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| 270 | ENDIF |
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[2] | 271 | ; |
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[390] | 272 | ; Filling continents |
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[2] | 273 | ; |
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[67] | 274 | if keyword_set(realcont) then if realcont EQ 1 then mask = 1b |
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[142] | 275 | if n_elements(mask) NE 1 then BEGIN ; If mask=1 we gap it. |
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[67] | 276 | ; |
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| 277 | if NOT keyword_set(cont_nofill) then BEGIN |
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| 278 | ; |
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| 279 | ; mask filling |
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| 280 | ; |
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| 281 | case 1 of |
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| 282 | keyword_set(realsection):drawsectionbottom, mask, xm, ym $ |
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| 283 | , CONT_NOFILL = cont_nofill, CONT_COLOR = cont_color, _EXTRA = ex |
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| 284 | usetri GE 1:BEGIN |
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| 285 | if n_elements(trimsk) eq 0 then trimsk = trichamp |
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| 286 | IF size(xm, /N_DIMENSIONS) EQ 1 THEN xm = xm#replicate(1, (size(mask))[2]) |
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| 287 | IF size(ym, /N_DIMENSIONS) EQ 1 THEN ym = replicate(1, (size(mask))[1])#ym |
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| 288 | contour, [1b-mask[*], fltarr(more)], [xm[*], fltarr(more)] $ |
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| 289 | , [ym[*], fltarr(more)], LEVELS = 0.5, /OVERPLOT, /FILL $ |
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| 290 | , C_COLORS = cont_color, TRIANGULATION = trimsk, _extra = ex |
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| 291 | IF keyword_set(forplt) THEN $ |
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| 292 | completecointerre, COINMONTE = coinmontemask $ |
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| 293 | , COINDESCEND = coindescendmask, INDICEZOOM = indicezoommask $ |
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| 294 | , CONT_COLOR = cont_color, _EXTRA = ex $ |
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| 295 | ELSE fillcornermask, xm[*, 0], ym[0, *], COINMONTE = coinmontemask $ |
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| 296 | , COINDESCEND = coindescendmask, CONT_COLOR = cont_color, _extra = ex |
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| 297 | END |
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[226] | 298 | ELSE:BEGIN |
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[67] | 299 | IF size(xm, /n_dimensions) EQ 2 THEN xm = xm[*, 0] |
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| 300 | IF size(ym, /n_dimensions) EQ 2 THEN ym = reform(ym[0, *]) |
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| 301 | contour, 1b-mask, xm, ym, LEVELS = 0.5, /OVERPLOT $ |
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| 302 | , /FILL, C_COLORS = cont_color, _EXTRA = ex |
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| 303 | END |
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| 304 | ENDCASE |
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| 305 | ENDIF ; NOT keyword_set(cont_nofill) |
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[2] | 306 | ;------------------------------------------------------------ |
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[390] | 307 | ; IV) Trace coast with line |
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[67] | 308 | ;------------------------------------------------------------ |
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| 309 | case 1 of |
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[226] | 310 | keyword_set(realsection) AND NOT keyword_set(cont_nofill): |
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[67] | 311 | keyword_set(realsection) AND keyword_set(cont_nofill): $ |
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| 312 | drawsectionbottom, mask, xm, ym $ |
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| 313 | , CONT_NOFILL = cont_nofill, _extra = ex |
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| 314 | (keyword_set(forplt) AND (!map.projection GT 0 OR key_irregular)) $ |
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| 315 | OR keyword_set(nan):tracecote, _extra = ex |
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| 316 | ELSE:tracemask, mask, xm, ym, _extra = ex |
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| 317 | endcase ; |
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| 318 | ENDIF ; n_elements(mask) NE 1 |
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| 319 | ENDIF |
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| 320 | ;------------------------------------------------------------ |
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| 321 | ; draw the triangulations |
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| 322 | ;------------------------------------------------------------ |
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| 323 | if keyword_set(desstrichamp) then $ |
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| 324 | dessinetri, trichamp, x, y, color = colortrichamp, thick = th_trichamp |
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| 325 | if keyword_set(desstrimask) then $ |
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| 326 | dessinetri, trimsk, xm, ym, color = colortrimask, thick = th_trimask |
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| 327 | if keyword_set(desstrinan) then $ |
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| 328 | dessinetri, trinan, x, y, color = colortrinan |
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| 329 | if keyword_set(drawpoints) then $ |
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| 330 | tracegrille, x, y, color = colorpoints |
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| 331 | ;------------------------------------------------------------ |
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| 332 | ; |
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[2] | 333 | fini: |
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[226] | 334 | IF keyword_set(key_performance) THEN print, 'temps pltbase', systime(1)-tempsun |
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[2] | 335 | |
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[67] | 336 | return |
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[2] | 337 | end |
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