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<h1>dox/Filtering/vtkCompositeDataIterator.h</h1><a href="a02212.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">  Program:   Visualization Toolkit</span>
<a name="l00004"></a>00004 <span class="comment">  Module:    $RCSfile: vtkCompositeDataIterator.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span>
<a name="l00007"></a>00007 <span class="comment">  All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment">  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">     This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00011"></a>00011 <span class="comment">     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00012"></a>00012 <span class="comment">     PURPOSE.  See the above copyright notice for more information.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">=========================================================================*/</span>
<a name="l00025"></a>00025 <span class="preprocessor">#ifndef __vtkCompositeDataIterator_h</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define __vtkCompositeDataIterator_h</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="a02079.html">vtkObject.h</a>"</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="keyword">class </span><a class="code" href="a00303.html" title="abstact superclass for composite (multi-block or AMR) datasets">vtkCompositeDataSet</a>;
<a name="l00031"></a>00031 <span class="keyword">class </span><a class="code" href="a00306.html">vtkCompositeDataSetInternals</a>;
<a name="l00032"></a>00032 <span class="keyword">class </span><a class="code" href="a00305.html">vtkCompositeDataSetIndex</a>;
<a name="l00033"></a>00033 <span class="keyword">class </span><a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a>;
<a name="l00034"></a>00034 <span class="keyword">class </span><a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>;
<a name="l00035"></a>00035 
<a name="l00036"></a><a class="code" href="a00300.html">00036</a> <span class="keyword">class </span><a class="code" href="a02170.html#95ced7977a6b6b1bf9f38bf04e3835b6">VTK_FILTERING_EXPORT</a> <a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a> : <span class="keyword">public</span> <a class="code" href="a01084.html" title="abstract base class for most VTK objects">vtkObject</a>
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keyword">public</span>:
<a name="l00039"></a>00039   <span class="keyword">static</span> <a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a>* <a class="code" href="a01084.html#4d5b227267c076d6f9e38483370b6612">New</a>();
<a name="l00040"></a><a class="code" href="a00300.html#bd1057770db2c91cab1db75b87d6a5ee">00040</a>   vtkTypeRevisionMacro(<a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a>, <a class="code" href="a01084.html" title="abstract base class for most VTK objects">vtkObject</a>);
<a name="l00041"></a>00041   <span class="keywordtype">void</span> <a class="code" href="a01084.html#bf3dbb4154289b56a12483eee3866263">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00042"></a>00042 
<a name="l00044"></a>00044 
<a name="l00046"></a>00046   <span class="keyword">virtual</span> <span class="keywordtype">void</span> SetDataSet(<a class="code" href="a00303.html" title="abstact superclass for composite (multi-block or AMR) datasets">vtkCompositeDataSet</a>* ds);
<a name="l00047"></a>00047   vtkGetObjectMacro(DataSet, <a class="code" href="a00303.html" title="abstact superclass for composite (multi-block or AMR) datasets">vtkCompositeDataSet</a>);
<a name="l00049"></a>00049 
<a name="l00051"></a>00051   <span class="keyword">virtual</span> <span class="keywordtype">void</span> InitTraversal();
<a name="l00052"></a>00052 
<a name="l00055"></a>00055   <span class="keyword">virtual</span> <span class="keywordtype">void</span> InitReverseTraversal();
<a name="l00056"></a>00056 
<a name="l00058"></a>00058   <span class="keyword">virtual</span> <span class="keywordtype">void</span> GoToFirstItem();
<a name="l00059"></a>00059 
<a name="l00061"></a>00061   <span class="keyword">virtual</span> <span class="keywordtype">void</span> GoToNextItem();
<a name="l00062"></a>00062 
<a name="l00066"></a>00066   <span class="keyword">virtual</span> <span class="keywordtype">int</span> IsDoneWithTraversal();
<a name="l00067"></a>00067 
<a name="l00070"></a>00070   <span class="keyword">virtual</span> <a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a>* GetCurrentDataObject();
<a name="l00071"></a>00071 
<a name="l00076"></a>00076   <span class="keyword">virtual</span> <a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* GetCurrentMetaData();
<a name="l00077"></a>00077 
<a name="l00080"></a>00080   <span class="keyword">virtual</span> <span class="keywordtype">int</span> HasCurrentMetaData();
<a name="l00081"></a>00081 
<a name="l00083"></a>00083 
<a name="l00091"></a>00091   vtkSetMacro(VisitOnlyLeaves, <span class="keywordtype">int</span>);
<a name="l00092"></a>00092   vtkGetMacro(VisitOnlyLeaves, <span class="keywordtype">int</span>);
<a name="l00093"></a>00093   vtkBooleanMacro(VisitOnlyLeaves, <span class="keywordtype">int</span>);
<a name="l00095"></a>00095 
<a name="l00097"></a>00097 
<a name="l00100"></a>00100   vtkSetMacro(TraverseSubTree, <span class="keywordtype">int</span>);
<a name="l00101"></a>00101   vtkGetMacro(TraverseSubTree, <span class="keywordtype">int</span>);
<a name="l00102"></a>00102   vtkBooleanMacro(TraverseSubTree, <span class="keywordtype">int</span>);
<a name="l00104"></a>00104 
<a name="l00105"></a>00105 
<a name="l00107"></a>00107 
<a name="l00109"></a>00109   vtkSetMacro(SkipEmptyNodes, <span class="keywordtype">int</span>);
<a name="l00110"></a>00110   vtkGetMacro(SkipEmptyNodes, <span class="keywordtype">int</span>);
<a name="l00111"></a>00111   vtkBooleanMacro(SkipEmptyNodes, <span class="keywordtype">int</span>);
<a name="l00113"></a>00113 
<a name="l00117"></a>00117   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GetCurrentFlatIndex();
<a name="l00118"></a>00118 
<a name="l00120"></a>00120 
<a name="l00121"></a>00121   vtkGetMacro(Reverse, <span class="keywordtype">int</span>);
<a name="l00123"></a>00123 
<a name="l00124"></a>00124 <span class="comment">//BTX</span>
<a name="l00125"></a>00125 <span class="keyword">protected</span>:
<a name="l00126"></a>00126   <a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a>();
<a name="l00127"></a>00127   <span class="keyword">virtual</span> ~<a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a>();
<a name="l00128"></a>00128 
<a name="l00129"></a>00129   <span class="comment">// Takes the current location to the next dataset. This traverses the tree in</span>
<a name="l00130"></a>00130   <span class="comment">// preorder fashion.</span>
<a name="l00131"></a>00131   <span class="comment">// If the current location is a composite dataset, next is its 1st child dataset.</span>
<a name="l00132"></a>00132   <span class="comment">// If the current is not a composite dataset, then next is the next dataset.</span>
<a name="l00133"></a>00133   <span class="comment">// This method gives no guarantees  whether the current dataset will be</span>
<a name="l00134"></a>00134   <span class="comment">// non-null or leaf.</span>
<a name="l00135"></a>00135   <span class="keywordtype">void</span> NextInternal();
<a name="l00136"></a>00136 
<a name="l00138"></a>00138   <a class="code" href="a00305.html">vtkCompositeDataSetIndex</a> GetCurrentIndex();
<a name="l00139"></a>00139 
<a name="l00140"></a>00140   <span class="comment">// Needs access to GetCurrentIndex().</span>
<a name="l00141"></a><a class="code" href="a00300.html#327bc962875309ce9fdd21ce63e98b14">00141</a>   <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="a00303.html" title="abstact superclass for composite (multi-block or AMR) datasets">vtkCompositeDataSet</a>;
<a name="l00142"></a>00142 
<a name="l00143"></a><a class="code" href="a00300.html#b56646595efce6e47e1d822e677ddef7">00143</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CurrentFlatIndex;
<a name="l00144"></a>00144 
<a name="l00145"></a><a class="code" href="a00300.html#a410b165f95c07b533530f36c36f7ace">00145</a>   <span class="keywordtype">int</span> SkipEmptyNodes;
<a name="l00146"></a><a class="code" href="a00300.html#5667dbec9b2ec96009a6e5988eb95bf4">00146</a>   <span class="keywordtype">int</span> TraverseSubTree;
<a name="l00147"></a><a class="code" href="a00300.html#2d8b0ed8e135458dae27e8e9442a5579">00147</a>   <span class="keywordtype">int</span> Reverse;
<a name="l00148"></a><a class="code" href="a00300.html#3fbb962730c04a0bfe17497296712fbc">00148</a>   <span class="keywordtype">int</span> VisitOnlyLeaves;
<a name="l00149"></a><a class="code" href="a00300.html#7de4cb507d721ac24b3d28956ec12250">00149</a>   <a class="code" href="a00303.html" title="abstact superclass for composite (multi-block or AMR) datasets">vtkCompositeDataSet</a>* DataSet;
<a name="l00150"></a>00150 <span class="keyword">private</span>:
<a name="l00151"></a>00151   <a class="code" href="a00303.html#5bc865cb885c2db1f3881297bf95a126">vtkCompositeDataIterator</a>(<span class="keyword">const</span> <a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a>&amp;); <span class="comment">// Not implemented.</span>
<a name="l00152"></a>00152   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a00300.html" title="superclass for composite data iterators">vtkCompositeDataIterator</a>&amp;); <span class="comment">// Not implemented.</span>
<a name="l00153"></a>00153 
<a name="l00154"></a>00154   <span class="keyword">class </span>vtkInternals;
<a name="l00155"></a>00155   vtkInternals* Internals;
<a name="l00156"></a><a class="code" href="a00300.html#7b0134cf074b6c73373d7dccaf959627">00156</a>   <span class="keyword">friend</span> <span class="keyword">class </span>vtkInternals;
<a name="l00157"></a>00157 
<a name="l00160"></a>00160   <a class="code" href="a00306.html">vtkCompositeDataSetInternals</a>* GetInternals(<a class="code" href="a00303.html" title="abstact superclass for composite (multi-block or AMR) datasets">vtkCompositeDataSet</a>*);
<a name="l00161"></a>00161 
<a name="l00162"></a>00162   <span class="comment">// Cannot be called when this-&gt;IsDoneWithTraversal() return 1.</span>
<a name="l00163"></a>00163   <span class="keywordtype">void</span> UpdateLocation();
<a name="l00164"></a>00164 <span class="comment">//ETX</span>
<a name="l00165"></a>00165 };
<a name="l00166"></a>00166 
<a name="l00167"></a>00167 <span class="preprocessor">#endif</span>
<a name="l00168"></a>00168 <span class="preprocessor"></span>
<a name="l00169"></a>00169 
</pre></div></div>
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