1 | ;+ |
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2 | ; |
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3 | ; @hidden |
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4 | ; |
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5 | ;- |
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6 | PRO thresholdstyle, limit, ltlstyle, gtlstyle, level_z2d, linestyle, thick |
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7 | ; |
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8 | compile_opt idl2, strictarrsubs |
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9 | ; |
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10 | dummy = where(level_z2d lt limit, n) |
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11 | IF n GT 0 THEN BEGIN |
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12 | IF limit EQ level_z2d[n < (n_elements(level_z2d) -1)] THEN BEGIN |
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13 | thick = [replicate(1, n), 2, replicate(1, 1 > (n_elements(level_z2d)-1-n))] |
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14 | linestyle = [replicate(ltlstyle, n), 0, replicate(gtlstyle, 1 > (n_elements(level_z2d)-1-n))] |
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15 | ENDIF ELSE BEGIN |
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16 | thick = [0] |
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17 | linestyle = [replicate(ltlstyle, n), replicate(gtlstyle, 1 > (n_elements(level_z2d) -n))] |
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18 | ENDELSE |
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19 | ENDIF ELSE BEGIN |
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20 | IF limit EQ level_z2d[n] THEN BEGIN |
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21 | thick = [2, replicate(1, 1 > (n_elements(level_z2d)-1))] |
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22 | linestyle = [0, replicate(gtlstyle, 1 > (n_elements(level_z2d)-1))] |
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23 | ENDIF ELSE BEGIN |
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24 | thick = [1] |
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25 | linestyle = [gtlstyle] |
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26 | ENDELSE |
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27 | ENDELSE |
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28 | return |
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29 | end |
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30 | ;+ |
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31 | ; |
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32 | ; @file_comments |
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33 | ; Choose the linestyle to trace iso-contour |
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34 | ; (Will define the keywords c_linestyle and c_thick) |
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35 | ; |
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36 | ; @categories |
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37 | ; Graphics |
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38 | ; |
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39 | ; @param LABSTYLE {in}{required} |
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40 | ; |
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41 | ; Two kind of labelstyle are accepted: |
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42 | ; |
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43 | ; 1) A number referring to the existing choices: |
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44 | ; 0 : Two thin continuous lines, one bold continuous line... |
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45 | ; 1 : before the middle of levels: thin dash. Then thin continuous |
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46 | ; line. and bold for the middle |
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47 | ; 2 : Same as case 1 but threshold value is defined by the user |
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48 | ; by answering a question |
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49 | ; 3 : Solid-Bold, solid-thin, dash Dot-thin, solid-thin, Solid-Bold... |
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50 | ; 4 : Solid-very-thin, except for contour O, that is solid-bold |
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51 | ; 2) for the labelstyle based on a threshold value (with a style |
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52 | ;before and after the threshold value and a bold solid line for the |
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53 | ;value itself, a more general definition can be given with a scalar |
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54 | ;string with the following structure: 'xxNN...NNyy' with |
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55 | ; xx and yy correspondind to one the following choices (with the corresponding meaning) |
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56 | ; so -> Solid |
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57 | ; do -> Dotted |
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58 | ; da -> Dashed |
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59 | ; dd -> Dash Dot |
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60 | ; ld -> Long Dashes |
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61 | ; and NN...NN any kind of number that will define the threshold value. |
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62 | ; for example 'do-6.6so' will do dotted line until -6.6 and solid line after. |
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63 | ; |
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64 | ; @param LEVEL_Z2D {in}{required} |
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65 | ; Vector containing values of isolignes to be traced. |
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66 | ; |
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67 | ; @param LINESTYLE {out} |
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68 | ; Used interbally by plt(z)(t) to define c_linestyle when calling pltbase. |
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69 | ; Vector used to define the isocontour's style. |
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70 | ; |
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71 | ; @param THICK {out} |
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72 | ; Used interbally by plt(z)(t) to define c_thick when calling pltbase. |
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73 | ; Vector used to define the isocontour's thickness. |
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74 | ; |
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75 | ; @history |
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76 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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77 | ; Oct 2007 revisiting... |
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78 | ; |
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79 | ; @version |
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80 | ; $Id$ |
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81 | ; |
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82 | ;- |
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83 | ; |
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84 | PRO style, labstyle, level_z2d, linestyle, thick |
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85 | ; |
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86 | compile_opt idl2, strictarrsubs |
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87 | ; |
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88 | ; Just to remember.. there is the codes for c_linestyle |
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89 | ; 0 Solid |
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90 | ; 1 Dotted |
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91 | ; 2 Dashed |
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92 | ; 3 Dash Dot |
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93 | ; 4 Dash Dot Dot Dot |
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94 | ; 5 Long Dashes |
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95 | ; |
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96 | IF size(labstyle, /type) EQ 7 THEN BEGIN |
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97 | CASE strlowcase(strmid(labstyle, 0, 2)) OF |
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98 | 'so':ltlstyle = 0 |
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99 | 'do':ltlstyle = 1 |
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100 | 'da':ltlstyle = 2 |
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101 | 'dd':ltlstyle = 3 |
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102 | 'ld':ltlstyle = 5 |
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103 | ENDCASE |
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104 | CASE strlowcase(strmid(labstyle, 1, 2, /reverse_offset)) OF |
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105 | 'so':gtlstyle = 0 |
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106 | 'do':gtlstyle = 1 |
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107 | 'da':gtlstyle = 2 |
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108 | 'dd':gtlstyle = 3 |
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109 | 'ld':gtlstyle = 5 |
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110 | ENDCASE |
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111 | limit = float(strmid(labstyle, 2, strlen(labstyle)-4)) |
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112 | thresholdstyle, limit, ltlstyle, gtlstyle, level_z2d, linestyle, thick |
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113 | ENDIF ELSE BEGIN |
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114 | CASE labstyle OF |
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115 | 0: BEGIN |
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116 | ; Two thin continuous lines, one bold continuous line |
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117 | thick = [1, 1, 2] |
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118 | linestyle = [0] |
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119 | END |
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120 | 1: BEGIN |
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121 | ; Before the middle of levels: thin dash. Then thin continuous line. |
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122 | ; If the middle of the drawing is drawn, it is in bold continuous line. |
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123 | odd = n_elements(level_z2d)-2*fix(n_elements(level_z2d)/2) |
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124 | zero = replicate(0, fix(n_elements(level_z2d)/2)) |
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125 | one = replicate(1, fix(n_elements(level_z2d)/2)) |
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126 | two = replicate(2, fix(n_elements(level_z2d)/2)) |
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127 | IF odd THEN BEGIN |
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128 | thick = [one, 2, one] |
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129 | linestyle = [two, 0, zero] |
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130 | ENDIF ELSE BEGIN |
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131 | thick = [0] |
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132 | linestyle = [two, zero] |
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133 | ENDELSE |
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134 | END |
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135 | 2: BEGIN |
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136 | ; Before the threshold (defined by answering to a question): thin dash. |
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137 | ; Then thin continuous trait. If the sill is drawn, it is in boldface continuous trait. |
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138 | limit = xquestion('What is the threshold value between dashed and continues line? ', '0') |
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139 | limit = float(limit) |
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140 | thresholdstyle, limit, 2, 0, level_z2d, linestyle, thick |
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141 | END |
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142 | ; Solid-Bold, solid-thin, dash Dot-thin, solid-thin, Solid-Bold... |
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143 | 3: begin |
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144 | n = n_elements(level_z2d) |
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145 | limit = level_z2d[1+n/2] |
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146 | thick = intarr(n) |
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147 | thick[indgen(n/4)*4] = 1 |
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148 | thick[indgen(n/4)*4+1] = 1 |
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149 | thick[indgen(n/4)*4+2] = 2 |
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150 | thick[indgen(n/4)*4+3] = 1 |
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151 | linestyle = intarr(n) |
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152 | linestyle[indgen(n/4)*4] = 3 |
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153 | linestyle[indgen(n/4)*4+1] = 0 |
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154 | linestyle[indgen(n/4)*4+2] = 0 |
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155 | linestyle[indgen(n/4)*4+3] = 0 |
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156 | end |
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157 | 4: begin |
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158 | ; Boldface continuous trait. |
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159 | limit = 1.e-6 |
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160 | thick = replicate(.5, n_elements(level_z2d)) |
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161 | linestyle = [0] |
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162 | rien = where(abs(level_z2d)/max(abs(level_z2d)) LT limit) |
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163 | if rien[0] NE -1 then thick[rien[0]] = 3 |
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164 | end |
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165 | else: begin |
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166 | ras = report('Bab value of the style (can be from 0 to 4 or a scalar string)') |
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167 | stop |
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168 | end |
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169 | endcase |
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170 | ENDELSE |
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171 | |
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172 | |
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173 | return |
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174 | end |
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