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<h1>dox/IO/vtkXMLDataReader.h</h1><a href="a03220.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: vtkXMLDataReader.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="l00026"></a>00026 <span class="preprocessor">#ifndef __vtkXMLDataReader_h</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#define __vtkXMLDataReader_h</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="a03256.html">vtkXMLReader.h</a>"</span>
<a name="l00030"></a>00030 
<a name="l00031"></a><a class="code" href="a01904.html">00031</a> <span class="keyword">class </span><a class="code" href="a02170.html#aab695c81fb47ab75c91e111e17cbe2c">VTK_IO_EXPORT</a> <a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a> : <span class="keyword">public</span> <a class="code" href="a01943.html" title="Superclass for VTK&amp;#39;s XML format readers.">vtkXMLReader</a>
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keyword">public</span>:
<a name="l00034"></a><a class="code" href="a01904.html#b26ee908478dffec8b1b29aeae5a6e2d">00034</a>   vtkTypeRevisionMacro(<a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a>,<a class="code" href="a01943.html" title="Superclass for VTK&amp;#39;s XML format readers.">vtkXMLReader</a>);
<a name="l00035"></a>00035   <span class="keywordtype">void</span> <a class="code" href="a01943.html#7285e3c0681a04507979858351b1a0e5">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00036"></a>00036   
<a name="l00038"></a>00038   <span class="keyword">virtual</span> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> GetNumberOfPoints()=0;
<a name="l00039"></a>00039   
<a name="l00041"></a>00041   <span class="keyword">virtual</span> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> GetNumberOfCells()=0;
<a name="l00042"></a>00042   
<a name="l00043"></a>00043   <span class="comment">// For the specified port, copy the information this reader sets up in</span>
<a name="l00044"></a>00044   <span class="comment">// SetupOutputInformation to outInfo</span>
<a name="l00045"></a>00045   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01943.html#f35d09b55ab024c9c28323e06f2d7da1">CopyOutputInformation</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *outInfo, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>);
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="keyword">protected</span>:
<a name="l00048"></a>00048   <a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a>();
<a name="l00049"></a>00049   ~<a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a>();  
<a name="l00050"></a>00050   
<a name="l00051"></a>00051   <span class="keywordtype">int</span> SetUpdateExtentInfo(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a> *eDSA,
<a name="l00052"></a>00052                           <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a> *infoVector,
<a name="l00053"></a>00053                           <span class="keywordtype">int</span> piece, <span class="keywordtype">int</span> numPieces);
<a name="l00054"></a>00054 
<a name="l00055"></a>00055   <span class="comment">// Add functionality to methods from superclass.</span>
<a name="l00056"></a>00056   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01943.html#426613728269cc9f18d4666067214d22">CreateXMLParser</a>();
<a name="l00057"></a>00057   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01943.html#157acbc4c34f0616ef9a815bd204dc05">DestroyXMLParser</a>();
<a name="l00058"></a>00058   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01943.html#509baca377e5c9adb123c71f28f757a6">SetupOutputInformation</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *outInfo);
<a name="l00059"></a>00059   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01943.html#7abf82e844a0dddb55ee5a232ace10d8">SetupUpdateExtentInformation</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *outInfo);
<a name="l00060"></a>00060 
<a name="l00061"></a>00061   <span class="keywordtype">int</span> <a class="code" href="a01943.html#a4ea6d133eb5d00786a31efc94bb9c46">ReadPrimaryElement</a>(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>* ePrimary);
<a name="l00062"></a>00062   <span class="keywordtype">void</span> <a class="code" href="a01943.html#2bc2be346a2d31783b022acca136f089">SetupOutputData</a>();
<a name="l00063"></a>00063   
<a name="l00064"></a>00064   <span class="comment">// Setup the reader for a given number of pieces.</span>
<a name="l00065"></a>00065   <span class="keyword">virtual</span> <span class="keywordtype">void</span> SetupPieces(<span class="keywordtype">int</span> numPieces);
<a name="l00066"></a>00066   <span class="keyword">virtual</span> <span class="keywordtype">void</span> DestroyPieces();
<a name="l00067"></a>00067   
<a name="l00068"></a>00068   <span class="comment">// Read information from the file for the given piece.</span>
<a name="l00069"></a>00069   <span class="keywordtype">int</span> ReadPiece(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>* ePiece, <span class="keywordtype">int</span> piece);
<a name="l00070"></a>00070   <span class="keyword">virtual</span> <span class="keywordtype">int</span> ReadPiece(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>* ePiece);
<a name="l00071"></a>00071   
<a name="l00072"></a>00072   <span class="comment">// Read data from the file for the given piece.</span>
<a name="l00073"></a>00073   <span class="keywordtype">int</span> ReadPieceData(<span class="keywordtype">int</span> piece);
<a name="l00074"></a>00074   <span class="keyword">virtual</span> <span class="keywordtype">int</span> ReadPieceData();
<a name="l00075"></a>00075   
<a name="l00076"></a>00076   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01943.html#d52fe94d563e3b4279decbd253cc3cab">ReadXMLData</a>();
<a name="l00077"></a>00077 
<a name="l00078"></a>00078   <span class="comment">// Read a data array whose tuples coorrespond to points or cells.</span>
<a name="l00079"></a>00079   <span class="keyword">virtual</span> <span class="keywordtype">int</span> ReadArrayForPoints(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>* da,
<a name="l00080"></a>00080                                  <a class="code" href="a00081.html" title="Abstract superclass for all arrays.">vtkAbstractArray</a>* outArray);
<a name="l00081"></a>00081   <span class="keyword">virtual</span> <span class="keywordtype">int</span> ReadArrayForCells(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>* da,
<a name="l00082"></a>00082                                 <a class="code" href="a00081.html" title="Abstract superclass for all arrays.">vtkAbstractArray</a>* outArray);
<a name="l00083"></a>00083 
<a name="l00084"></a>00084   <span class="comment">// Read an Array values starting at the given index and up to numValues.</span>
<a name="l00085"></a>00085   <span class="comment">// This method assumes that the array is of correct size to </span>
<a name="l00086"></a>00086   <span class="comment">// accomodate all numValues values. arrayIndex is the value index at which the read</span>
<a name="l00087"></a>00087   <span class="comment">// values will be put in the array.</span>
<a name="l00088"></a>00088   <span class="keywordtype">int</span> ReadArrayValues(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>* da, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> arrayIndex, <a class="code" href="a00081.html" title="Abstract superclass for all arrays.">vtkAbstractArray</a>* array,
<a name="l00089"></a>00089     <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> startIndex, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> numValues);
<a name="l00090"></a>00090     
<a name="l00091"></a>00091 
<a name="l00092"></a>00092   
<a name="l00093"></a>00093   <span class="comment">// Callback registered with the DataProgressObserver.</span>
<a name="l00094"></a>00094   <span class="keyword">static</span> <span class="keywordtype">void</span> DataProgressCallbackFunction(<a class="code" href="a01084.html" title="abstract base class for most VTK objects">vtkObject</a>*, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, <span class="keywordtype">void</span>*,
<a name="l00095"></a>00095                                            <span class="keywordtype">void</span>*);
<a name="l00096"></a>00096   <span class="comment">// Progress callback from XMLParser.</span>
<a name="l00097"></a>00097   <span class="keyword">virtual</span> <span class="keywordtype">void</span> DataProgressCallback();
<a name="l00098"></a>00098   
<a name="l00099"></a>00099   <span class="comment">// The number of Pieces of data found in the file.</span>
<a name="l00100"></a><a class="code" href="a01904.html#814f48d323ab59f73bc01d23d439971c">00100</a>   <span class="keywordtype">int</span> NumberOfPieces;
<a name="l00101"></a>00101   
<a name="l00102"></a>00102   <span class="comment">// The PointData and CellData element representations for each piece.</span>
<a name="l00103"></a><a class="code" href="a01904.html#64393d06be0575d28585dc5ecf6e719b">00103</a>   <a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>** PointDataElements;
<a name="l00104"></a><a class="code" href="a01904.html#7ccec17d76f4eb224519909e558aed4c">00104</a>   <a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a>** CellDataElements;
<a name="l00105"></a>00105   
<a name="l00106"></a>00106   <span class="comment">// The piece currently being read.</span>
<a name="l00107"></a><a class="code" href="a01904.html#14b9192fbd681d6b2e698ee67666dab8">00107</a>   <span class="keywordtype">int</span> Piece;
<a name="l00108"></a>00108   
<a name="l00109"></a>00109   <span class="comment">// The number of point/cell data arrays in the output.  Valid after</span>
<a name="l00110"></a>00110   <span class="comment">// SetupOutputData has been called.</span>
<a name="l00111"></a><a class="code" href="a01904.html#342f7be706037556fdcf2e37c6445e09">00111</a>   <span class="keywordtype">int</span> NumberOfPointArrays;
<a name="l00112"></a><a class="code" href="a01904.html#486675a5da3ca3b05ee6c87504f7dc33">00112</a>   <span class="keywordtype">int</span> NumberOfCellArrays;  
<a name="l00113"></a>00113   
<a name="l00114"></a>00114   <span class="comment">// Flag for whether DataProgressCallback should actually update</span>
<a name="l00115"></a>00115   <span class="comment">// progress.</span>
<a name="l00116"></a><a class="code" href="a01904.html#6483be84bc1304315dce60f97d0868c3">00116</a>   <span class="keywordtype">int</span> InReadData;
<a name="l00117"></a>00117   
<a name="l00118"></a>00118   <span class="comment">// The observer to report progress from reading data from XMLParser.</span>
<a name="l00119"></a><a class="code" href="a01904.html#5c2011d11c4f26501f85f67dd9f8db85">00119</a>   <a class="code" href="a00226.html" title="supports function callbacks">vtkCallbackCommand</a>* DataProgressObserver;  
<a name="l00120"></a>00120 
<a name="l00121"></a>00121   <span class="comment">// Specify the last time step read, usefull to know if we need to rearead data</span>
<a name="l00122"></a>00122   <span class="comment">// //PointData</span>
<a name="l00123"></a><a class="code" href="a01904.html#fa44e69a35e22ee26e6c34fa64813cd1">00123</a>   <span class="keywordtype">int</span> *PointDataTimeStep;
<a name="l00124"></a><a class="code" href="a01904.html#a3d48da4a8fa94b2f58e64b73164a8e3">00124</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *PointDataOffset;
<a name="l00125"></a>00125   <span class="keywordtype">int</span> PointDataNeedToReadTimeStep(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a> *eNested);
<a name="l00126"></a>00126 
<a name="l00127"></a>00127   <span class="comment">//CellData</span>
<a name="l00128"></a><a class="code" href="a01904.html#153ea53d15530d95ff8b418d1bb30bb8">00128</a>   <span class="keywordtype">int</span> *CellDataTimeStep;
<a name="l00129"></a><a class="code" href="a01904.html#0ad737ab2e503f690cfdf2bca2ee56c8">00129</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *CellDataOffset;
<a name="l00130"></a>00130   <span class="keywordtype">int</span> CellDataNeedToReadTimeStep(<a class="code" href="a01902.html" title="Represents an XML element and those nested inside.">vtkXMLDataElement</a> *eNested);
<a name="l00131"></a>00131  
<a name="l00132"></a>00132 <span class="keyword">private</span>:
<a name="l00133"></a>00133   <a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a>(<span class="keyword">const</span> <a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00134"></a>00134   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a01904.html" title="Superclass for VTK XML file readers.">vtkXMLDataReader</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00135"></a>00135 };
<a name="l00136"></a>00136 
<a name="l00137"></a>00137 <span class="preprocessor">#endif</span>
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