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| 9 | <title>colorbar.pro (SAXO Documentation)</title> |
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| 22 | |
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| 23 | <body onload="setTitle();"> |
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| 24 | |
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| 25 | <div id="navbar_title"> |
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| 26 | <h1>SAXO Documentation</h1> |
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| 27 | </div> |
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| 28 | |
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| 29 | |
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| 30 | <div id="main_navbar"> |
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| 31 | |
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| 32 | <table cellspacing="0"> |
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| 33 | <tr> |
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| 34 | |
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| 35 | <td><a href="./../overview.html" title="Overview of library">Overview</a></td> |
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| 36 | |
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| 37 | |
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| 38 | |
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| 39 | <td >Directory</td> |
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| 40 | |
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| 41 | |
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| 42 | |
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| 43 | <td><a href="./../idldoc-categories.html" title="Browse library by category">Categories</a></td> |
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| 44 | |
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| 45 | |
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| 46 | |
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| 47 | <td><a href="./../idldoc-index.html" title="Index of files, routines, and parameters">Index</a></td> |
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| 48 | |
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| 49 | |
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| 50 | |
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| 51 | <td><a href="./../search-page.html" title="Search library">Search</a></td> |
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| 52 | |
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| 53 | |
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| 54 | <td id="selected">File</td> |
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| 55 | |
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| 56 | |
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| 57 | <td><a href="../../../Colors//colorbar.pro" title="Source code of a file">Source</a></td> |
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| 58 | |
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| 59 | |
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| 60 | |
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| 61 | <td><a href="./../idldoc-help.html" title="Help on IDLdoc">Help</a></td> |
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| 62 | |
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| 63 | |
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| 64 | <td >Etc</td> |
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| 65 | |
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| 66 | <td id="flexible">Developer documentation</td> |
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| 67 | </tr> |
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| 68 | </table> |
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| 69 | |
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| 70 | </div> |
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| 71 | |
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| 72 | <div id="secondary_navbar"> |
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| 73 | |
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| 74 | <a href="color24.html"><<prev file</a> | <a href="getcolor.html">next file >></a> <a href="colorbar.html" target="_TOP">view single page</a> | <a href="./../index.html" target="_TOP">view frames</a> summary: fields | routine details: <a href="#routine_details">routine</a> |
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| 75 | |
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| 76 | </div> |
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| 77 | |
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| 78 | |
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| 79 | <div id="container"> |
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| 80 | |
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| 81 | <h1 class="directory"><a href="directory-overview.html">Colors/</a></h1> |
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| 82 | <h2 class="pro_file">colorbar.pro</h2> |
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| 83 | |
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| 84 | <div id="file_attr"> |
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| 85 | <dl> |
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| 86 | </dl> |
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| 87 | </div> |
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| 88 | |
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| 89 | <div id="file_comments"> |
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| 90 | The purpose of this routine is to add a color bar to the current |
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| 91 | graphics window. |
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| 92 | </div> |
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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 | |
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| 99 | |
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| 100 | |
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| 101 | |
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| 102 | <div id="routine_details"> |
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| 103 | |
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| 104 | |
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| 105 | <div class="routine_details" id="_colorbar"> |
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| 106 | |
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| 107 | <h2><a class="top" href="#container">top</a>colorbar <span class="categories"> |
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| 108 | Graphics |
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| 109 | </span></h2> |
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| 110 | |
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| 111 | <p class="header"> |
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| 112 | colorbar, <a href="#_colorbar_keyword_BOTTOM">BOTTOM</a>=<span class="result">BOTTOM</span>, <a href="#_colorbar_keyword_CB_CHARSIZE">CB_CHARSIZE</a>=<span class="result">CB_CHARSIZE</span>, <a href="#_colorbar_keyword_CB_CHARTHICK">CB_CHARTHICK</a>=<span class="result">CB_CHARTHICK</span>, <a href="#_colorbar_keyword_CB_COLOR">CB_COLOR</a>=<span class="result">CB_COLOR</span>, <a href="#_colorbar_keyword_DIVISIONS">DIVISIONS</a>=<span class="result">DIVISIONS</span>, <a href="#_colorbar_keyword_DISCRETE">DISCRETE</a>=<span class="result">DISCRETE</span>, <a href="#_colorbar_keyword_CB_LABEL">CB_LABEL</a>=<span class="result">vector</span>, <a href="#_colorbar_keyword_FORMAT">FORMAT</a>=<span class="result">FORMAT</span>, <a href="#_colorbar_keyword_POSITION">POSITION</a>=<span class="result">POSITION</span>, <a href="#_colorbar_keyword_MAX">MAX</a>=<span class="result">MAX</span>, <a href="#_colorbar_keyword_MIN">MIN</a>=<span class="result">MIN</span>, <a href="#_colorbar_keyword_NCOLORS">NCOLORS</a>=<span class="result">NCOLORS</span>, <a href="#_colorbar_keyword_PSCOLOR">PSCOLOR</a>=<span class="result">PSCOLOR</span>, <a href="#_colorbar_keyword_CB_TITLE">CB_TITLE</a>=<span class="result">CB_TITLE</span>, <a href="#_colorbar_keyword_VERTICAL">VERTICAL</a>=<span class="result">VERTICAL</span>, <a href="#_colorbar_keyword_TOP">TOP</a>=<span class="result">TOP</span>, <a href="#_colorbar_keyword_RIGHT">RIGHT</a>=<span class="result">RIGHT</span>, <a href="#_colorbar_keyword_CB_LOG">CB_LOG</a>=<span class="result">CB_LOG</span>, <a href="#_colorbar_keyword_NOTITLE">NOTITLE</a>=<span class="result">NOTITLE</span>, <a href="#_colorbar_keyword__EXTRA">_EXTRA</a>=<span class="result">_EXTRA</span></p> |
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| 113 | |
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| 114 | <div class="comments"> |
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| 115 | </div> |
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| 116 | |
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| 117 | |
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| 118 | |
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| 119 | |
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| 120 | |
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| 121 | |
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| 122 | |
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| 123 | <h3>Keywords</h3> |
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| 124 | |
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| 125 | <h4 id="_colorbar_keyword_BOTTOM">BOTTOM |
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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 | |
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| 131 | |
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| 132 | <span class="attr">default:</span> <span class="value">0B</span> |
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| 133 | |
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| 134 | </h4> |
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| 135 | |
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| 136 | <div class="comments"> |
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| 137 | The lowest color index of the colors to be loaded in the bar. |
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| 138 | </div> |
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| 139 | |
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| 140 | <h4 id="_colorbar_keyword_CB_CHARSIZE">CB_CHARSIZE |
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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 | |
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| 147 | <span class="attr">default:</span> <span class="value">1.0</span> |
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| 148 | |
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| 149 | </h4> |
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| 150 | |
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| 151 | <div class="comments"> |
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| 152 | The character size of the color bar annotations. |
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| 153 | </div> |
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| 154 | |
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| 155 | <h4 id="_colorbar_keyword_CB_CHARTHICK">CB_CHARTHICK |
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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 | <span class="attr">default:</span> <span class="value">1.0</span> |
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| 163 | |
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| 164 | </h4> |
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| 165 | |
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| 166 | <div class="comments"> |
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| 167 | The character thick of the color bar annotations. |
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| 168 | </div> |
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| 169 | |
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| 170 | <h4 id="_colorbar_keyword_CB_COLOR">CB_COLOR |
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| 171 | |
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| 172 | |
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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 | <span class="attr">default:</span> <span class="value">ncolors - 1 + bottom</span> |
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| 178 | |
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| 179 | </h4> |
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| 180 | |
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| 181 | <div class="comments"> |
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| 182 | The color index of the bar outline and characters. |
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| 183 | </div> |
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| 184 | |
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| 185 | <h4 id="_colorbar_keyword_DIVISIONS">DIVISIONS |
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| 186 | |
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| 187 | |
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| 188 | |
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| 189 | |
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| 190 | |
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| 191 | |
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| 192 | <span class="attr">default:</span> <span class="value">2</span> |
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| 193 | |
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| 194 | </h4> |
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| 195 | |
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| 196 | <div class="comments"> |
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| 197 | The number of divisions to divide the bar into. |
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| 198 | There will be (divisions + 1) annotations. |
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| 199 | </div> |
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| 200 | |
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| 201 | <h4 id="_colorbar_keyword_DISCRETE">DISCRETE |
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| 202 | |
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| 203 | |
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| 204 | |
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| 205 | |
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| 206 | |
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| 207 | |
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| 208 | |
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| 209 | |
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| 210 | </h4> |
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| 211 | |
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| 212 | <div class="comments"> |
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| 213 | Vector which contain color's indexes to trace in a color bar. Therefore |
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| 214 | we obtain a discrete colorbar which contains only the specified colors |
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| 215 | in the order they appear in the vector |
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| 216 | </div> |
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| 217 | |
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| 218 | <h4 id="_colorbar_keyword_CB_LABEL">CB_LABEL |
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| 219 | |
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| 220 | |
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| 221 | |
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| 222 | |
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| 223 | |
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| 224 | <span class="attr">type:</span> <span class="value">vector</span> |
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| 225 | |
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| 226 | |
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| 227 | </h4> |
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| 228 | |
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| 229 | <div class="comments"> |
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| 230 | A vector to specify sticks values of the color bar. It allows, |
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| 231 | when we use DISCRETE, to have colors that don't increase by |
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| 232 | increments in a regular way. |
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| 233 | </div> |
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| 234 | |
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| 235 | <h4 id="_colorbar_keyword_FORMAT">FORMAT |
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| 236 | |
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| 237 | |
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| 238 | |
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| 239 | |
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| 240 | |
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| 241 | |
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| 242 | <span class="attr">default:</span> <span class="value">'(F6.2)'</span> |
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| 243 | |
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| 244 | </h4> |
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| 245 | |
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| 246 | <div class="comments"> |
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| 247 | The format of the bar annotations. |
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| 248 | </div> |
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| 249 | |
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| 250 | <h4 id="_colorbar_keyword_POSITION">POSITION |
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| 251 | |
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| 252 | |
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| 253 | |
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| 254 | |
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| 255 | |
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| 256 | |
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| 257 | <span class="attr">default:</span> <span class="value">see below</span> |
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| 258 | |
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| 259 | </h4> |
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| 260 | |
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| 261 | <div class="comments"> |
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| 262 | A four-element array of normalized coordinates in the same |
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| 263 | form as the POSITION keyword on a plot. Default is |
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| 264 | [0.88, 0.15, 0.95, 0.95] for a vertical bar and |
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| 265 | [0.15, 0.88, 0.95, 0.95] for a horizontal bar. |
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| 266 | </div> |
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| 267 | |
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| 268 | <h4 id="_colorbar_keyword_MAX">MAX |
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| 269 | |
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| 270 | |
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| 271 | |
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| 272 | |
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| 273 | |
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| 274 | |
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| 275 | <span class="attr">default:</span> <span class="value">NCOLORS - 1</span> |
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| 276 | |
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| 277 | </h4> |
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| 278 | |
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| 279 | <div class="comments"> |
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| 280 | The maximum data value for the bar annotation. |
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| 281 | </div> |
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| 282 | |
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| 283 | <h4 id="_colorbar_keyword_MIN">MIN |
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| 284 | |
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| 285 | |
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| 286 | |
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| 287 | |
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| 288 | |
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| 289 | |
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| 290 | <span class="attr">default:</span> <span class="value">0</span> |
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| 291 | |
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| 292 | </h4> |
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| 293 | |
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| 294 | <div class="comments"> |
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| 295 | The minimum data value for the bar annotation. |
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| 296 | </div> |
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| 297 | |
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| 298 | <h4 id="_colorbar_keyword_NCOLORS">NCOLORS |
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| 299 | |
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| 300 | |
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| 301 | |
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| 302 | |
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| 303 | |
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| 304 | |
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| 305 | <span class="attr">default:</span> <span class="value">!D.N_COLORS</span> |
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| 306 | |
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| 307 | </h4> |
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| 308 | |
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| 309 | <div class="comments"> |
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| 310 | This is the number of colors in the color bar. |
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| 311 | </div> |
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| 312 | |
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| 313 | <h4 id="_colorbar_keyword_PSCOLOR">PSCOLOR |
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| 314 | |
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| 315 | |
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| 316 | |
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| 317 | |
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| 318 | |
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| 319 | |
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| 320 | |
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| 321 | |
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| 322 | </h4> |
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| 323 | |
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| 324 | <div class="comments"> |
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| 325 | This keyword is only applied if the output is being sent to |
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| 326 | a Postscript file. It indicates that the Postscript device |
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| 327 | is configured for color output. If this keyword is set, then |
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| 328 | the annotation is drawn in the color specified by the COLOR |
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| 329 | keyword. If the keyword is not set, the annotation is drawn |
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| 330 | in the color specified by the !P.COLOR system variable |
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| 331 | (usually this will be the color black). In general, this |
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| 332 | gives better looking output on non-color or gray-scale |
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| 333 | printers. If you are not specifically setting the annotation |
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| 334 | color (with the COLOR keyword), it will probably |
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| 335 | be better NOT to set this keyword either, even if you |
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| 336 | are outputting to a color Postscript printer. |
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| 337 | </div> |
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| 338 | |
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| 339 | <h4 id="_colorbar_keyword_CB_TITLE">CB_TITLE |
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| 340 | |
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| 341 | |
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| 342 | |
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| 343 | |
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| 344 | |
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| 345 | |
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| 346 | <span class="attr">default:</span> <span class="value">''</span> |
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| 347 | |
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| 348 | </h4> |
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| 349 | |
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| 350 | <div class="comments"> |
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| 351 | This is title for the color bar. |
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| 352 | </div> |
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| 353 | |
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| 354 | <h4 id="_colorbar_keyword_VERTICAL">VERTICAL |
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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 | |
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| 360 | |
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| 361 | <span class="attr">default:</span> <span class="value">0 -> horizontal color bar</span> |
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| 362 | |
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| 363 | </h4> |
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| 364 | |
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| 365 | <div class="comments"> |
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| 366 | Setting this keyword give a vertical color bar. |
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| 367 | </div> |
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| 368 | |
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| 369 | <h4 id="_colorbar_keyword_TOP">TOP |
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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 | |
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| 377 | |
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| 378 | </h4> |
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| 379 | |
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| 380 | <div class="comments"> |
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| 381 | This puts the labels on top of the bar rather than under it. |
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| 382 | The keyword only applies if a horizontal color bar is rendered. |
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| 383 | </div> |
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| 384 | |
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| 385 | <h4 id="_colorbar_keyword_RIGHT">RIGHT |
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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 | |
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| 394 | </h4> |
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| 395 | |
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| 396 | <div class="comments"> |
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| 397 | This puts the labels on the right-hand side of a vertical |
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| 398 | color bar. It applies only to vertical color bars. |
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| 399 | </div> |
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| 400 | |
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| 401 | <h4 id="_colorbar_keyword_CB_LOG">CB_LOG |
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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 | |
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| 410 | </h4> |
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| 411 | |
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| 412 | <div class="comments"> |
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| 413 | to get logarithmic scale for the colorbar |
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| 414 | </div> |
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| 415 | |
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| 416 | <h4 id="_colorbar_keyword_NOTITLE">NOTITLE |
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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 | <div class="comments"> |
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| 428 | Force to don't write title even if CB_TITLE is declared. |
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| 429 | </div> |
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| 430 | |
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| 431 | <h4 id="_colorbar_keyword__EXTRA">_EXTRA |
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| 432 | |
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| 433 | |
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| 434 | |
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| 435 | |
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| 436 | |
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| 437 | |
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| 438 | |
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| 439 | |
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| 440 | </h4> |
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| 441 | |
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| 442 | <div class="comments"> |
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| 443 | pass any keyword to colorbar |
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| 444 | </div> |
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| 445 | |
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| 446 | |
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| 447 | |
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| 448 | <h3>Examples</h3><div class="preformat"> |
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| 449 | To display a horizontal color bar above a contour plot, type: |
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| 450 | |
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| 451 | IDL> LOADCT, 5, NCOLORS=100 |
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| 452 | IDL> CONTOUR, DIST(31,41), POSITION=[0.15, 0.15, 0.95, 0.75], $ |
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| 453 | IDL> C_COLORS=INDGEN(25)*4, NLEVELS=25 |
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| 454 | IDL> COLORBAR, NCOLORS=100 |
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| 455 | </div> |
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| 456 | <h3>Version history</h3> |
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| 457 | |
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| 458 | <h4>Version</h4><div class="preformat"> |
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| 459 | $Id: colorbar.pro 400 2009-07-17 10:27:52Z smasson $ |
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| 460 | </div> |
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| 461 | <h4>History</h4><div class="preformat"> |
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| 462 | Written by: David Fanning, 10 JUNE 96. |
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| 463 | 10/27/96: Added the ability to send output to PostScript. DWF |
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| 464 | 11/04/96: Substantially rewritten to go to screen or PostScript |
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| 465 | file without having to know much about the PostScript device |
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| 466 | or even what the current graphics device is. DWF |
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| 467 | 01/27/97: Added the RIGHT and TOP keywords. Also modified the |
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| 468 | way the TITLE keyword works. DWF |
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| 469 | 07/15/97: Fixed a problem some machines have with plots that have |
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| 470 | no valid data range in them. DWF |
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| 471 | 03/03/98: Add DISCRETE keyword, sebastien masson (smasson@lodyc.jussieu.fr) |
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| 472 | </div> |
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| 473 | |
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| 474 | |
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| 475 | <h3>Known issues</h3> |
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| 476 | |
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| 477 | |
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| 478 | |
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| 479 | <h4>Restrictions</h4><div class="preformat"> |
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| 480 | The number of colors available on the display device (not the |
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| 481 | Postscript device) is used unless the NCOLORS keyword is used. |
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| 482 | </div> |
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| 483 | |
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| 484 | |
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| 485 | |
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| 486 | |
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| 487 | |
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| 488 | |
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| 489 | |
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| 490 | |
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| 491 | |
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| 492 | <h3>Statistics</h3> |
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| 493 | <table class="statistics"> |
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| 494 | <tr><td>McCabe cyclic</td><td> 34</td></tr> |
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| 495 | <tr><td>McCabe essential</td><td> 1</td></tr> |
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| 496 | <tr><td>McCabe modular design</td><td> 1</td></tr> |
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| 497 | </table> |
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| 498 | |
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| 499 | |
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| 500 | </div> |
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| 501 | |
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| 502 | </div> |
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| 503 | |
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| 504 | |
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| 505 | |
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| 506 | <div id="tagline">Produced by IDLdoc 2.0.</div> |
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| 507 | |
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| 508 | </div> |
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| 509 | |
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| 510 | </body> |
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| 511 | </html> |
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