1 | ;+ |
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2 | ; |
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3 | ; @file_comments |
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4 | ; Apply GMT palette into IDL color/intervals system |
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5 | ; |
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6 | ; @categories |
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7 | ; |
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8 | ; @param MIN {in}{required} |
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9 | ; A real number specifying above what value we want to trace a contour |
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10 | ; |
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11 | ; @param MAX {in}{required} |
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12 | ; A real number specifying below what value we want to trace a contour |
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13 | ; |
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14 | ; @param INTERVALLE |
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15 | ; |
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16 | ; @param NCOUL |
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17 | ; |
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18 | ; @param NCONTOUR {out} |
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19 | ; Number of contour to be drawn. |
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20 | ; |
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21 | ; @param LEVEL_Z2D {in}{required} |
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22 | ; Vector containing values of isolignes to be traced. |
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23 | ; |
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24 | ; @param COUL |
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25 | ; |
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26 | ; @restrictions |
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27 | ; |
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28 | ; @examples |
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29 | ; |
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30 | ; @history |
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31 | ; |
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32 | ; @version |
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33 | ; $Id$ |
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34 | ; |
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35 | ;- |
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36 | PRO label_gmt, min, max, intervalle, ncoul, ncontour, level_z2d, coul |
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37 | ; |
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38 | compile_opt idl2, strictarrsubs |
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39 | ; |
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40 | @common |
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41 | @com_eg |
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42 | |
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43 | IF pal_type NE '2dom' THEN BEGIN |
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44 | |
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45 | ; color defined in lec_pal_gmt.pro |
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46 | |
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47 | ncontour = ncont_gmt |
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48 | level_z2d = levels_gmt |
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49 | coul = coul_gmt |
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50 | max = max_gmt |
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51 | intervalle = -1 |
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52 | |
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53 | ENDIF ELSE BEGIN |
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54 | |
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55 | ; grey_shade palette (case 1 in label) |
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56 | IF finite(min) EQ 0 THEN read, ' Grey shade needs a min,max :', min, max |
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57 | ncontour = fix((max-min)/intervalle) |
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58 | level_z2d = min + intervalle*findgen(ncontour) |
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59 | max=level_z2d[ncontour-1]+intervalle |
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60 | |
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61 | ras = report([' Number of contour intervals, plotting min & max ' + $ |
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62 | string(ncontour) + string(min)+ string(max),' ']) |
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63 | |
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64 | ; color index |
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65 | |
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66 | IF idx_pal EQ 0 THEN BEGIN |
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67 | |
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68 | ; build palette |
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69 | red = lonarr(99) |
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70 | red[*] = 255 |
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71 | red[50:98] = long((100.-float(grey_shade))/100.*255.) |
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72 | |
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73 | IF field.origin EQ 'diff' THEN BEGIN |
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74 | |
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75 | ; difference plot : lighter below first negative interval |
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76 | red[51:98] = long((100.-float(grey_shade_2))/100.*255.) |
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77 | red[1:48] = long((100.-float(grey_shade))/100.*255.) |
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78 | red[50] = 255 |
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79 | |
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80 | ENDIF |
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81 | |
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82 | ; first color=black |
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83 | ; last = white |
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84 | red = [0, red] |
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85 | red[99] = 255 |
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86 | ; gray scale |
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87 | green = red |
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88 | blue = red |
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89 | |
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90 | tvlct, red, green, blue |
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91 | |
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92 | ENDIF |
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93 | |
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94 | mid_index = max(where(level_z2d LE fldatt.mid)) |
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95 | coul = findgen(ncontour)+49-mid_index +2 |
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96 | |
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97 | ENDELSE |
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98 | END |
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