[150] | 1 | ;+ |
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| 2 | ; @file_comments |
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| 3 | ; |
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| 4 | ; |
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| 5 | ; @categories |
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| 6 | ; |
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| 7 | ; @param MASK |
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| 8 | ; |
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| 9 | ; @param XF |
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| 10 | ; |
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| 11 | ; @param YF |
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| 12 | ; |
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| 13 | ; @param NX |
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| 14 | ; |
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| 15 | ; @param NY |
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| 16 | ; |
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[163] | 17 | ; @keyword COAST_COLOR {default=0} |
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[150] | 18 | ; The color of the coastline. |
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[163] | 19 | ; Default is black (0). |
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[150] | 20 | ; |
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[163] | 21 | ; @keyword COAST_THICK {default=1} |
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[150] | 22 | ; The thick of the trait to trace continents |
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| 23 | ; |
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[163] | 24 | ; @keyword XSEUIL {default=5} |
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[231] | 25 | ; To eliminate segments of coasts which are to big (which link points which can |
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| 26 | ; be close on the sphere but distant on the drawing). We delete all segments |
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| 27 | ; whose the size surpass the size of the window following X/XSEUIL. |
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| 28 | ; But it can be to big if we do a big zoom or a little one for some |
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[150] | 29 | ; projections... We specify it the keyword thanks to this keyword! |
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| 30 | ; |
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| 31 | ; @keyword YSEUIL |
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| 32 | ; See XSEUIL |
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[231] | 33 | ; |
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[150] | 34 | ; @keyword _EXTRA |
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[231] | 35 | ; Used to pass keywords |
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| 36 | ; |
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[150] | 37 | ; @returns |
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[231] | 38 | ; |
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[150] | 39 | ; @uses |
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[231] | 40 | ; |
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[150] | 41 | ; @restrictions |
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[231] | 42 | ; |
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[150] | 43 | ; @examples |
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[231] | 44 | ; |
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[150] | 45 | ; @history |
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[231] | 46 | ; |
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| 47 | ; @version |
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| 48 | ; |
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| 49 | ; @todo |
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[150] | 50 | ; Seb: remplir le header |
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| 51 | ; |
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| 52 | ;- |
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[231] | 53 | ; |
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[232] | 54 | PRO drawcoast_c, mask, xf, yf, nx, ny, COAST_COLOR = coast_color, COAST_THICK = coast_thick, YSEUIL = yseuil, XSEUIL = xseuil, _EXTRA = ex |
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[114] | 55 | ; |
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| 56 | compile_opt idl2, strictarrsubs |
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| 57 | ; |
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[29] | 58 | @cm_4mesh |
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| 59 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
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| 60 | @updatenew |
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| 61 | @updatekwd |
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| 62 | ENDIF |
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| 63 | ;--------------------------------------------------------- |
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[150] | 64 | tempsun = systime(1) ; For key_performance |
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[2] | 65 | ;--------------------------------------------------------- |
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| 66 | ; |
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[150] | 67 | ; We trace vertical segments: |
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[2] | 68 | ; |
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[29] | 69 | if NOT keyword_set(yseuil) then yseuil = 5. < (min([nx, ny])-2) |
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| 70 | distanceseuil = (!p.position[3]-!p.position[1])/yseuil |
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[150] | 71 | ; list: list of points i for which we will trace a segment between the point i,j-1 and i,j |
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| 72 | tempdeux = systime(1) ; For key_performance =2 |
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[29] | 73 | liste = where((mask+shift(mask, -1, 0)) EQ 1 $ |
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| 74 | AND ((xf-shift(xf, 0, 1))^2+(yf-shift(yf, 0, 1))^2) LE distanceseuil^2) |
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[2] | 75 | IF liste[0] NE -1 THEN BEGIN |
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[150] | 76 | ; We recuperate lx an dly which are indexes in a 2d array of points given by list |
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[2] | 77 | ly = liste/nx & lx = temporary(liste)-nx*ly |
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[150] | 78 | indice = where(ly NE 0) ; We do not take points concerning |
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[2] | 79 | if indice[0] NE -1 then begin |
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[150] | 80 | ; the first line because in this case, the point j-1 is undefined. |
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[2] | 81 | lx = lx[indice] & ly = ly[temporary(indice)] |
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[150] | 82 | ; Loop on concerned points and drawing of the segment. |
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| 83 | ; Comment: we use plots instead of plot because plots goes faster. |
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[2] | 84 | IF testvar(var = key_performance) EQ 2 THEN $ |
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| 85 | print, 'temps tracecote: determiner liste des points concernes par un trait vertical', systime(1)-tempdeux |
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[150] | 86 | tempdeux = systime(1) ; For key_performance =2 |
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[231] | 87 | for pt = 0L, n_elements(lx)-1 do BEGIN |
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[2] | 88 | i = lx[pt] & j = ly[pt] |
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| 89 | plots, [xf[i, j-1], xf[i, j]], [yf[i, j-1], yf[i, j]] $ |
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[29] | 90 | , color = coast_color, thick = coast_thick, /normal, _extra = ex |
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[2] | 91 | endfor |
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| 92 | IF testvar(var = key_performance) EQ 2 THEN $ |
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| 93 | print, 'temps tracecote: trace des traits verticaux', systime(1)-tempdeux |
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| 94 | endif |
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| 95 | ENDIF |
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| 96 | ; |
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[150] | 97 | ; For the drawing of horizontal segments , it is the same thing but we have to be careful if it is periodic. |
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[2] | 98 | ; |
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[231] | 99 | ; If it is periodic, we duplicate the first column and we put it at the end. |
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[150] | 100 | ; (This is made not for the shift which is periodic by default but for the plots) |
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| 101 | tempdeux = systime(1) ; For key_performance =2 |
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[29] | 102 | if keyword_set(key_periodic) AND nx EQ jpi then begin |
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[2] | 103 | mask = [mask, mask[0, *]] |
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| 104 | xf = [xf, xf[0, *]] |
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| 105 | yf = [yf, yf[0, *]] |
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| 106 | nx = nx+1 |
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| 107 | ENDIF |
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[29] | 108 | if NOT keyword_set(xseuil) then xseuil = 5. < (min([nx, ny])-2) |
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| 109 | distanceseuil = (!p.position[2]-!p.position[0])/xseuil |
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| 110 | liste = where((mask+shift(mask, 0, -1)) EQ 1 $ |
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| 111 | AND ((xf-shift(xf, 1, 0))^2+(yf-shift(yf, 1, 0))^2) LE distanceseuil^2) |
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[2] | 112 | IF liste[0] NE -1 THEN BEGIN |
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| 113 | ly = liste/nx & lx = temporary(liste)-nx*ly |
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| 114 | indice = where(ly NE ny-1 AND lx NE 0) |
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| 115 | if indice[0] NE -1 then begin |
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[150] | 116 | ; We do not take points of the first column and of the last line (because we added artificially) |
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[2] | 117 | lx = lx[indice] & ly = ly[temporary(indice)] |
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| 118 | IF testvar(var = key_performance) EQ 2 THEN $ |
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| 119 | print, 'temps tracecote: determiner liste des points concernes par un trait horizontal', systime(1)-tempdeux |
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[150] | 120 | tempdeux = systime(1) ; For key_performance =2 |
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[231] | 121 | for pt = 0L, n_elements(lx)-1 do BEGIN |
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[2] | 122 | i = lx[pt] & j = ly[pt] |
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| 123 | plots, [xf[i-1, j], xf[i, j]], [yf[i-1, j], yf[i, j]] $ |
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[29] | 124 | , color = coast_color, thick = coast_thick, /normal, _extra = ex |
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[2] | 125 | endfor |
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| 126 | IF testvar(var = key_performance) EQ 2 THEN $ |
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| 127 | print, 'temps tracecote: trace des traits horizontaux', systime(1)-tempdeux |
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| 128 | endif |
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| 129 | endif |
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| 130 | ;--------------------------------------------------------- |
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| 131 | if keyword_set(key_performance) THEN print, 'temps drawcoast_c', systime(1)-tempsun |
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| 132 | return |
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| 133 | end |
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