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 | ; |
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8 | ; @param MASK |
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9 | ; |
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10 | ; |
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11 | ; @param XF |
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12 | ; |
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13 | ; |
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14 | ; @param YF |
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15 | ; |
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16 | ; |
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17 | ; @param NX |
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18 | ; |
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19 | ; |
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20 | ; @param NY |
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21 | ; |
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22 | ; |
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23 | ; @keyword COAST_COLOR {default=0} |
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24 | ; The color of the coastline. |
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25 | ; Default is black (0). |
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26 | ; |
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27 | ; @keyword COAST_THICK {default=1} |
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28 | ; The thick of the trait to trace continents |
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29 | ; |
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30 | ; @keyword XSEUIL {default=5} |
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31 | ; To eliminate segments of coasts which are to big (which link points which can |
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32 | ; be close on the sphere but distant on the drawing). We delete all segments |
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33 | ; whose the size surpass the size of the window following X/XSEUIL. |
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34 | ; But it can be to big if we do a big zoom or a little one for some |
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35 | ; projections... We specify it the keyword thanks to this keyword! |
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36 | ; |
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37 | ; @keyword YSEUIL |
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38 | ; See XSEUIL |
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39 | ; |
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40 | ; @keyword _EXTRA |
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41 | ; Used to pass our keywords |
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42 | ; |
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43 | ; @returns |
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44 | ; |
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45 | ; |
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46 | ; @uses |
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47 | ; |
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48 | ; |
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49 | ; @restrictions |
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50 | ; |
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51 | ; |
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52 | ; @examples |
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53 | ; |
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54 | ; |
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55 | ; @history |
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56 | ; |
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57 | ; |
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58 | ; @version |
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59 | ; |
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60 | ; @todo |
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61 | ; Seb: remplir le header |
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62 | ; |
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63 | ;- |
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64 | |
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65 | PRO drawcoast_e, mask, xf, yf, nx, ny, COAST_COLOR = coast_color, COAST_THICK = coast_thick, YSEUIL = yseuil, XSEUIL = xseuil, onemore = onemore, _extra = ex |
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66 | ;--------------------------------------------------------- |
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67 | ; |
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68 | compile_opt idl2, strictarrsubs |
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69 | ; |
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70 | @cm_4mesh |
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71 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
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72 | @updatenew |
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73 | @updatekwd |
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74 | ENDIF |
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75 | ;--------------------------------------------------------- |
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76 | tempsun = systime(1) ; pour key_performance |
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77 | ;--------------------------------------------------------- |
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78 | if keyword_set(key_periodic) AND nx EQ jpi then begin |
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79 | mask = [mask, mask[0, *]] |
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80 | xf = [xf, xf[0, *]] |
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81 | yf = [yf, yf[0, *]] |
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82 | nx = nx+1 |
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83 | ENDIF |
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84 | ; |
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85 | ; we plot the borders of the diamond in this sense : \ |
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86 | ; |
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87 | if NOT keyword_set(onemore) then onemore = 0 |
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88 | if NOT keyword_set(xseuil) then xseuil = 5. < (min([nx, ny])-2) |
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89 | distanceseuil = (!p.position[2]-!p.position[0])/xseuil |
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90 | ; liste: liste des points i pour lesquels on va tracer un segment |
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91 | index = lindgen(nx, ny) |
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92 | index = index[0:nx-2, 1:ny-1] |
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93 | indexbis = index-nx+((index/nx+onemore) MOD 2) |
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94 | liste = where(mask[index+1]+mask[indexbis] EQ 1 $ |
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95 | AND (xf[index]-xf[indexbis])^2+(yf[index]-yf[indexbis])^2 LE distanceseuil^2) |
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96 | IF liste[0] NE -1 THEN BEGIN |
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97 | index = index[liste] |
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98 | indexbis = indexbis[liste] |
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99 | for pt = 0, n_elements(index)-1 do begin |
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100 | plots, [xf[index[pt]], xf[indexbis[pt]]], [yf[index[pt]], yf[indexbis[pt]]] $ |
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101 | , color = coast_color, thick = coast_thick, /normal, _extra = ex |
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102 | endfor |
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103 | ENDIF |
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104 | ; |
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105 | ; we plot the borders of the diamond in this sense : / |
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106 | ; |
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107 | if NOT keyword_set(xseuil) then xseuil = 5. < (min([nx, ny])-2) |
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108 | distanceseuil = (!p.position[2]-!p.position[0])/xseuil |
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109 | ; liste: liste des points i pour lesquels on va tracer un segment |
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110 | index = lindgen(nx, ny-1) |
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111 | index = index[0:nx-2, *] |
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112 | indexbis = index+nx+((index/nx+onemore) MOD 2) |
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113 | liste = where(mask[index+1]+mask[indexbis] EQ 1 $ |
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114 | AND (xf[index]-xf[indexbis])^2+(yf[index]-yf[indexbis])^2 LE distanceseuil^2) |
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115 | IF liste[0] NE -1 THEN BEGIN |
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116 | index = index[liste] |
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117 | indexbis = indexbis[liste] |
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118 | for pt = 0, n_elements(index)-1 do begin |
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119 | plots, [xf[index[pt]], xf[indexbis[pt]]], [yf[index[pt]], yf[indexbis[pt]]] $ |
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120 | , color = coast_color, thick = coast_thick, /normal, _extra = ex |
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121 | endfor |
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122 | ENDIF |
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123 | |
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124 | ;--------------------------------------------------------- |
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125 | if keyword_set(key_performance) THEN print, 'temps drawcoast_e', systime(1)-tempsun |
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126 | return |
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127 | end |
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