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| 5 | <title>colorbar.pro (SAXO Documentation Assistant)</title> |
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| 46 | <tr> |
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| 47 | <td width="10%"> |
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| 48 | <a href="color24.html"><img src="./../prev.gif" border="0" alt="Previous"></a></td> |
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| 49 | <td width="80%" align="center" valign="center"> |
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| 50 | <font size=-1><i>SAXO Documentation Assistant</i>: <a href="./../home.html">Overview</a></font></td> |
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| 51 | <td width="10%" align="right"> |
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| 52 | <a href="getcolor.html"><img src="./../next.gif" border="0" alt="Next"></a></td> |
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| 53 | </tr> |
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| 54 | </table> |
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| 55 | |
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| 56 | |
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| 57 | <h1><font size="-2">Colors/</font></h1> |
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| 58 | <h2>colorbar.pro</h2> |
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| 59 | |
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| 60 | <dl> |
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| 61 | </dl> |
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| 62 | |
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| 63 | |
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| 64 | The purpose of this routine is to add a color bar to the current |
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| 65 | graphics window. |
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| 66 | |
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| 67 | |
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| 68 | |
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| 69 | |
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| 70 | |
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| 71 | <a name="#_colorbar"></a> |
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| 72 | |
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[234] | 73 | <h2>colorbar <font size="-1" color="#006633"> |
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[321] | 74 | Graphics |
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[163] | 75 | </font></h2> |
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| 76 | |
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| 77 | <p><font face="Courier">colorbar, <a href="#_colorbar_keyword_BOTTOM">BOTTOM</a>=<i>BOTTOM</i>, <a href="#_colorbar_keyword_CB_CHARSIZE">CB_CHARSIZE</a>=<i>CB_CHARSIZE</i>, <a href="#_colorbar_keyword_CB_CHARTHICK">CB_CHARTHICK</a>=<i>CB_CHARTHICK</i>, <a href="#_colorbar_keyword_CB_COLOR">CB_COLOR</a>=<i>CB_COLOR</i>, <a href="#_colorbar_keyword_DIVISIONS">DIVISIONS</a>=<i>DIVISIONS</i>, <a href="#_colorbar_keyword_DISCRETE">DISCRETE</a>=<i>DISCRETE</i>, <a href="#_colorbar_keyword_CB_LABEL">CB_LABEL</a>=<i>vector</i>, <a href="#_colorbar_keyword_FORMAT">FORMAT</a>=<i>FORMAT</i>, <a href="#_colorbar_keyword_POSITION">POSITION</a>=<i>POSITION</i>, <a href="#_colorbar_keyword_MAX">MAX</a>=<i>MAX</i>, <a href="#_colorbar_keyword_MIN">MIN</a>=<i>MIN</i>, <a href="#_colorbar_keyword_NCOLORS">NCOLORS</a>=<i>NCOLORS</i>, <a href="#_colorbar_keyword_PSCOLOR">PSCOLOR</a>=<i>PSCOLOR</i>, <a href="#_colorbar_keyword_CB_TITLE">CB_TITLE</a>=<i>CB_TITLE</i>, <a href="#_colorbar_keyword_VERTICAL">VERTICAL</a>=<i>VERTICAL</i>, <a href="#_colorbar_keyword_TOP">TOP</a>=<i>TOP</i>, <a href="#_colorbar_keyword_RIGHT">RIGHT</a>=<i>RIGHT</i>, <a href="#_colorbar_keyword_CB_LOG">CB_LOG</a>=<i>CB_LOG</i>, <a href="#_colorbar_keyword_NOTITLE">NOTITLE</a>=<i>NOTITLE</i>, <a href="#_colorbar_keyword__EXTRA">_EXTRA</a>=<i>_EXTRA</i></font></p> |
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| 78 | |
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| 79 | |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | |
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| 85 | |
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| 86 | |
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| 87 | <h3>Keywords</h3> |
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| 88 | |
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| 89 | |
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| 90 | <a name="#_colorbar_keyword_BOTTOM"></a> |
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| 91 | <h4>BOTTOM |
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| 92 | |
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| 93 | |
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| 94 | |
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| 95 | |
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| 96 | |
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| 97 | |
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| 98 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0B</i></font> |
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| 99 | |
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| 100 | </h4> |
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| 101 | |
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| 102 | |
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| 103 | The lowest color index of the colors to be loaded in the bar. |
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| 104 | |
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| 105 | |
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| 106 | <a name="#_colorbar_keyword_CB_CHARSIZE"></a> |
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| 107 | <h4>CB_CHARSIZE |
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| 108 | |
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| 109 | |
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| 110 | |
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| 111 | |
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| 112 | |
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| 113 | |
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| 114 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>1.0</i></font> |
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| 115 | |
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| 116 | </h4> |
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| 117 | |
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| 118 | |
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| 119 | The character size of the color bar annotations. |
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| 120 | |
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| 121 | |
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| 122 | <a name="#_colorbar_keyword_CB_CHARTHICK"></a> |
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| 123 | <h4>CB_CHARTHICK |
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| 124 | |
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| 125 | |
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| 126 | |
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| 127 | |
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| 128 | |
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| 129 | |
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| 130 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>1.0</i></font> |
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| 131 | |
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| 132 | </h4> |
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| 133 | |
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| 134 | |
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| 135 | The character thick of the color bar annotations. |
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| 136 | |
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| 137 | |
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| 138 | <a name="#_colorbar_keyword_CB_COLOR"></a> |
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| 139 | <h4>CB_COLOR |
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| 140 | |
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| 141 | |
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| 142 | |
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| 143 | |
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| 144 | |
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| 145 | |
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| 146 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>ncolors - 1 + bottom</i></font> |
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| 147 | |
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| 148 | </h4> |
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| 149 | |
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| 150 | |
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| 151 | The color index of the bar outline and characters. |
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| 152 | |
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| 153 | |
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| 154 | <a name="#_colorbar_keyword_DIVISIONS"></a> |
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| 155 | <h4>DIVISIONS |
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| 156 | |
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| 157 | |
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| 158 | |
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| 159 | |
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| 160 | |
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| 161 | |
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| 162 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>2</i></font> |
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| 163 | |
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| 164 | </h4> |
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| 165 | |
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| 166 | |
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| 167 | The number of divisions to divide the bar into. |
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| 168 | There will be (divisions + 1) annotations. |
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| 169 | |
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| 170 | |
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| 171 | <a name="#_colorbar_keyword_DISCRETE"></a> |
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| 172 | <h4>DISCRETE |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | |
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| 177 | |
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| 178 | |
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| 179 | |
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| 180 | |
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| 181 | </h4> |
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| 182 | |
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[234] | 183 | |
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[163] | 184 | Vector which contain color's indexes to trace in a color bar. Therefore |
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[234] | 185 | we obtain a discrete colorbar which contains only the specified colors |
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[163] | 186 | in the order they appear in the vector |
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| 187 | |
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| 188 | |
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| 189 | <a name="#_colorbar_keyword_CB_LABEL"></a> |
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| 190 | <h4>CB_LABEL |
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| 191 | |
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| 192 | |
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| 193 | |
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| 194 | |
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| 195 | |
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| 196 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>vector</i></font> |
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| 197 | |
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| 198 | |
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| 199 | </h4> |
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| 200 | |
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| 201 | |
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| 202 | A vector to specify sticks values of the color bar. It allows, |
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| 203 | when we use DISCRETE, to have colors that don't increase by |
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| 204 | increments in a regular way. |
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| 205 | |
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| 206 | |
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| 207 | <a name="#_colorbar_keyword_FORMAT"></a> |
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| 208 | <h4>FORMAT |
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| 209 | |
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| 210 | |
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| 211 | |
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| 212 | |
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| 213 | |
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| 214 | |
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| 215 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>'(F6.2)'</i></font> |
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| 216 | |
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| 217 | </h4> |
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| 218 | |
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| 219 | |
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| 220 | The format of the bar annotations. |
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| 221 | |
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| 222 | |
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| 223 | <a name="#_colorbar_keyword_POSITION"></a> |
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| 224 | <h4>POSITION |
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| 225 | |
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| 226 | |
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| 227 | |
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| 228 | |
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| 229 | |
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| 230 | |
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[363] | 231 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>see below</i></font> |
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[163] | 232 | |
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| 233 | </h4> |
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| 234 | |
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| 235 | |
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| 236 | A four-element array of normalized coordinates in the same |
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| 237 | form as the POSITION keyword on a plot. Default is |
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| 238 | [0.88, 0.15, 0.95, 0.95] for a vertical bar and |
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| 239 | [0.15, 0.88, 0.95, 0.95] for a horizontal bar. |
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| 240 | |
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| 241 | |
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| 242 | <a name="#_colorbar_keyword_MAX"></a> |
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| 243 | <h4>MAX |
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| 244 | |
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| 245 | |
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| 246 | |
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| 247 | |
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| 248 | |
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| 249 | |
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| 250 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>NCOLORS - 1</i></font> |
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| 251 | |
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| 252 | </h4> |
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| 253 | |
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| 254 | |
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| 255 | The maximum data value for the bar annotation. |
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| 256 | |
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| 257 | |
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| 258 | <a name="#_colorbar_keyword_MIN"></a> |
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| 259 | <h4>MIN |
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| 260 | |
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| 261 | |
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| 262 | |
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| 263 | |
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| 264 | |
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| 265 | |
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| 266 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0</i></font> |
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| 267 | |
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| 268 | </h4> |
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| 269 | |
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| 270 | |
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| 271 | The minimum data value for the bar annotation. |
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| 272 | |
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| 273 | |
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| 274 | <a name="#_colorbar_keyword_NCOLORS"></a> |
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| 275 | <h4>NCOLORS |
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| 276 | |
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| 277 | |
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| 278 | |
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| 279 | |
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| 280 | |
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| 281 | |
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| 282 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>!D.N_COLORS</i></font> |
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| 283 | |
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| 284 | </h4> |
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| 285 | |
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| 286 | |
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| 287 | This is the number of colors in the color bar. |
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| 288 | |
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| 289 | |
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| 290 | <a name="#_colorbar_keyword_PSCOLOR"></a> |
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| 291 | <h4>PSCOLOR |
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| 292 | |
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| 293 | |
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| 294 | |
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| 295 | |
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| 296 | |
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| 297 | |
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| 298 | |
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| 299 | |
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| 300 | </h4> |
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| 301 | |
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| 302 | |
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| 303 | This keyword is only applied if the output is being sent to |
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| 304 | a Postscript file. It indicates that the Postscript device |
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| 305 | is configured for color output. If this keyword is set, then |
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| 306 | the annotation is drawn in the color specified by the COLOR |
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| 307 | keyword. If the keyword is not set, the annotation is drawn |
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| 308 | in the color specified by the !P.COLOR system variable |
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| 309 | (usually this will be the color black). In general, this |
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| 310 | gives better looking output on non-color or gray-scale |
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| 311 | printers. If you are not specifically setting the annotation |
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| 312 | color (with the COLOR keyword), it will probably |
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| 313 | be better NOT to set this keyword either, even if you |
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| 314 | are outputting to a color Postscript printer. |
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| 315 | |
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| 316 | |
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| 317 | <a name="#_colorbar_keyword_CB_TITLE"></a> |
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| 318 | <h4>CB_TITLE |
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| 319 | |
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| 320 | |
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| 321 | |
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| 322 | |
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| 323 | |
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| 324 | |
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| 325 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>''</i></font> |
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| 326 | |
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| 327 | </h4> |
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| 328 | |
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| 329 | |
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| 330 | This is title for the color bar. |
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| 331 | |
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| 332 | |
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| 333 | <a name="#_colorbar_keyword_VERTICAL"></a> |
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| 334 | <h4>VERTICAL |
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| 335 | |
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| 336 | |
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| 337 | |
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| 338 | |
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| 339 | |
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| 340 | |
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| 341 | <font size="-1" color="#006633">default:</font> <font size="-1" color="#006633"><i>0 -> horizontal color bar</i></font> |
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| 342 | |
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| 343 | </h4> |
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| 344 | |
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| 345 | |
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| 346 | Setting this keyword give a vertical color bar. |
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| 347 | |
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| 348 | |
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| 349 | <a name="#_colorbar_keyword_TOP"></a> |
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| 350 | <h4>TOP |
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| 351 | |
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| 352 | |
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| 353 | |
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| 354 | |
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| 355 | |
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| 356 | |
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| 357 | |
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| 358 | |
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| 359 | </h4> |
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| 360 | |
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| 361 | |
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| 362 | This puts the labels on top of the bar rather than under it. |
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| 363 | The keyword only applies if a horizontal color bar is rendered. |
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| 364 | |
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| 365 | |
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| 366 | <a name="#_colorbar_keyword_RIGHT"></a> |
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| 367 | <h4>RIGHT |
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| 368 | |
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| 369 | |
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| 370 | |
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| 371 | |
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| 372 | |
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| 373 | |
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| 374 | |
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| 375 | |
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| 376 | </h4> |
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| 377 | |
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| 378 | |
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| 379 | This puts the labels on the right-hand side of a vertical |
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| 380 | color bar. It applies only to vertical color bars. |
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| 381 | |
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| 382 | |
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| 383 | <a name="#_colorbar_keyword_CB_LOG"></a> |
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| 384 | <h4>CB_LOG |
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| 385 | |
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| 386 | |
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| 387 | |
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| 388 | |
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| 389 | |
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| 390 | |
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| 391 | |
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| 392 | |
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| 393 | </h4> |
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| 394 | |
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| 395 | |
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| 396 | to get logarithmic scale for the colorbar |
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| 397 | |
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| 398 | |
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| 399 | <a name="#_colorbar_keyword_NOTITLE"></a> |
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| 400 | <h4>NOTITLE |
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| 401 | |
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| 402 | |
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| 403 | |
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| 404 | |
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| 405 | |
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| 406 | |
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| 407 | |
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| 408 | |
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| 409 | </h4> |
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| 410 | |
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| 411 | |
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| 412 | Force to don't write title even if CB_TITLE is declared. |
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| 413 | |
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| 414 | |
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| 415 | <a name="#_colorbar_keyword__EXTRA"></a> |
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| 416 | <h4>_EXTRA |
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| 417 | |
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| 418 | |
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| 419 | |
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| 420 | |
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| 421 | |
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| 422 | |
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| 423 | |
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| 424 | |
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| 425 | </h4> |
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| 426 | |
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| 427 | |
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| 428 | pass any keyword to colorbar |
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| 429 | |
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| 430 | |
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| 431 | |
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| 432 | |
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[234] | 433 | <h3>Examples</h3><pre> |
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[163] | 434 | To display a horizontal color bar above a contour plot, type: |
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| 435 | |
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| 436 | IDL> LOADCT, 5, NCOLORS=100 |
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| 437 | IDL> CONTOUR, DIST(31,41), POSITION=[0.15, 0.15, 0.95, 0.75], $ |
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| 438 | IDL> C_COLORS=INDGEN(25)*4, NLEVELS=25 |
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| 439 | IDL> COLORBAR, NCOLORS=100 |
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| 440 | |
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[234] | 441 | </pre><h3>Version history</h3> |
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[163] | 442 | |
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[234] | 443 | <h4>Version</h4> |
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[363] | 444 | $Id: colorbar.pro 358 2008-04-28 09:41:14Z pinsard $ |
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[163] | 445 | |
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[234] | 446 | <h4>History</h4> |
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[163] | 447 | Written by: David Fanning, 10 JUNE 96. |
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| 448 | 10/27/96: Added the ability to send output to PostScript. DWF |
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| 449 | 11/04/96: Substantially rewritten to go to screen or PostScript |
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| 450 | file without having to know much about the PostScript device |
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| 451 | or even what the current graphics device is. DWF |
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| 452 | 01/27/97: Added the RIGHT and TOP keywords. Also modified the |
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| 453 | way the TITLE keyword works. DWF |
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| 454 | 07/15/97: Fixed a problem some machines have with plots that have |
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| 455 | no valid data range in them. DWF |
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| 456 | 03/03/98: Add DISCRETE keyword, sebastien masson (smasson@lodyc.jussieu.fr) |
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| 457 | |
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| 458 | |
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| 459 | |
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| 460 | <h3>Known issues</h3> |
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| 461 | |
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| 462 | |
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| 463 | |
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| 464 | <h4>Restrictions</h4> |
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| 465 | The number of colors available on the display device (not the |
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| 466 | Postscript device) is used unless the NCOLORS keyword is used. |
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| 467 | |
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| 468 | |
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| 469 | |
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| 470 | |
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| 472 | |
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| 473 | |
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| 474 | |
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| 475 | |
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| 476 | |
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| 477 | <font size="-3"><p> </p></font> |
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| 478 | <hr size="1" color="#CCCCCC"/> |
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| 479 | |
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| 482 | |
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[187] | 483 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0.</font></p> |
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[163] | 484 | |
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| 485 | </body> |
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[249] | 486 | </html> |
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