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<div class="header">
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<div class="title">Graph Legend</div>  </div>
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<p>This page explains how to interpret the graphs that are generated by doxygen.</p>
<p>Consider the following example: </p><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;/*! Invisible class because of truncation */</div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;class Invisible { };</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;/*! Truncated class, inheritance relation is hidden */</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;class Truncated : public Invisible { };</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;/* Class not documented with doxygen comments */</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;class Undocumented { };</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;/*! Class that is inherited using public inheritance */</div>
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<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;/*! A template class */</div>
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<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;/*! Class that is inherited using protected inheritance */</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;class ProtectedBase { };</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;/*! Class that is inherited using private inheritance */</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;class PrivateBase { };</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;/*! Class that is used by the Inherited class */</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;class Used { };</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;/*! Super class that inherits a number of other classes */</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;class Inherited : public PublicBase,</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;                  protected ProtectedBase,</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;                  private PrivateBase,</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;                  public Undocumented,</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;                  public Templ&lt;int&gt;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;{</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  private:</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    Used *m_usedClass;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;};</div>
</div><!-- fragment --><p> This will result in the following graph:</p>
<center><div class="image">
<img src="graph_legend.png" />
</div>
</center><p>The boxes in the above graph have the following meaning: </p>
<ul>
<li>
A filled gray box represents the struct or class for which the graph is generated. </li>
<li>
A box with a black border denotes a documented struct or class. </li>
<li>
A box with a gray border denotes an undocumented struct or class. </li>
<li>
A box with a red border denotes a documented struct or class forwhich not all inheritance/containment relations are shown. A graph is truncated if it does not fit within the specified boundaries. </li>
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<p>The arrows have the following meaning: </p>
<ul>
<li>
A dark blue arrow is used to visualize a public inheritance relation between two classes. </li>
<li>
A dark green arrow is used for protected inheritance. </li>
<li>
A dark red arrow is used for private inheritance. </li>
<li>
A purple dashed arrow is used if a class is contained or used by another class. The arrow is labeled with the variable(s) through which the pointed class or struct is accessible. </li>
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A yellow dashed arrow denotes a relation between a template instance and the template class it was instantiated from. The arrow is labeled with the template parameters of the instance. </li>
</ul>
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