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<h1>vtkMergeColumns Class Reference</h1><!-- doxytag: class="vtkMergeColumns" --><!-- doxytag: inherits="vtkTableAlgorithm" --><code>#include <<a class="el" href="a04827.html">vtkMergeColumns.h</a>></code>
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Inheritance diagram for vtkMergeColumns:</div>
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<p><center><img src="a12026.png" border="0" usemap="#a12027" alt="Inheritance graph"></center>
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<area shape="rect" href="a01658.html" title="Superclass for algorithms that produce only vtkTables as output." alt="" coords="5,229,136,256"><area shape="rect" href="a00101.html" title="Superclass for all sources, filters, and sinks in VTK." alt="" coords="21,155,120,181"><area shape="rect" href="a01084.html" title="abstract base class for most VTK objects" alt="" coords="31,80,111,107"><area shape="rect" href="a01085.html" title="abstract base class for most VTK objects" alt="" coords="16,5,125,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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Collaboration diagram for vtkMergeColumns:</div>
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<p><center><img src="a12028.png" border="0" usemap="#a12029" alt="Collaboration graph"></center>
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<area shape="rect" href="a01658.html" title="Superclass for algorithms that produce only vtkTables as output." alt="" coords="185,499,316,525"><area shape="rect" href="a00101.html" title="Superclass for all sources, filters, and sinks in VTK." alt="" coords="281,381,380,408"><area shape="rect" href="a00472.html" title="Superclass for all pipeline executives in VTK." alt="" coords="477,499,576,525"><area shape="rect" href="a01084.html" title="abstract base class for most VTK objects" alt="" coords="407,173,487,200"><area shape="rect" href="a00895.html" title="Store zero or more vtkInformation instances." alt="" coords="404,264,553,291"><area shape="rect" href="a00872.html" title="Store vtkAlgorithm input/output information." alt="" coords="212,264,321,291"><area shape="rect" href="a01085.html" title="abstract base class for most VTK objects" alt="" coords="164,5,273,32"><area shape="rect" href="a00884.html" title="internal structure for vtkInformation" alt="" coords="5,173,168,200"><area shape="rect" href="a00886.html" title="Superclass for vtkInformation keys." alt="" coords="153,83,284,109"><area shape="rect" href="a01719.html" title="record modification and/or execution time" alt="" coords="308,83,417,109"><area shape="rect" href="a00891.html" title="Key for pointer to pointer." alt="" coords="192,173,373,200"></map>
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<a href="a12030.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
merge two columns into a single column
<p>
<a class="el" href="a01008.html" title="merge two columns into a single column">vtkMergeColumns</a> replaces two columns in a table with a single column containing data in both columns. The columns are set using<p>
SetInputArrayToProcess(0, 0, 0, <a class="el" href="a00362.html#54fdf8345a01c89e618feca3c10002b1d00cf291bf0e046fea72186d8d33bc1e">vtkDataObject::FIELD_ASSOCIATION_ROWS</a>, "col1")<p>
and<p>
SetInputArrayToProcess(1, 0, 0, <a class="el" href="a00362.html#54fdf8345a01c89e618feca3c10002b1d00cf291bf0e046fea72186d8d33bc1e">vtkDataObject::FIELD_ASSOCIATION_ROWS</a>, "col2")<p>
where "col1" and "col2" are the names of the columns to merge. The user may also specify the name of the merged column. The arrays must be of the same type. If the arrays are numeric, the values are summed in the merged column. If the arrays are strings, the values are concatenated. The strings are separated by a space if they are both nonempty.
<p>Definition at line <a class="el" href="a04827.html#l00046">46</a> of file <a class="el" href="a04827.html">vtkMergeColumns.h</a>.</p>
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<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="a01658.html">vtkTableAlgorithm</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#b42e40e93bb5ed29dd9e7a8380e9612d">Superclass</a></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#03c0703617518d0af3f06f370c9996dc">GetClassName</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#dadd8de0dc6cf184d344a415835cd691">IsA</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#cd7723590829cf9737d93bfc4ae3080a">PrintSelf</a> (ostream &os, <a class="el" href="a00869.html">vtkIndent</a> indent)</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#5a1fc1631d690c296962b64f7485c426">SetMergedColumnName</a> (const char *)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#4449fe4262b26fff0f6dbc76dad02c3d">GetMergedColumnName</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a01008.html">vtkMergeColumns</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#cdb76a7e484c0c704978bfc5ea4249fe">New</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#13ccddc995c56d65e7eb24d39a9976c3">IsTypeOf</a> (const char *type)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="el" href="a01008.html">vtkMergeColumns</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#3fe74b4ba7abc4058be2c4de79250fc9">SafeDownCast</a> (<a class="el" href="a01084.html">vtkObject</a> *o)</td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#90eb623d82e8d678c1818eab98cdf98d">vtkMergeColumns</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#201e5f54cb9689c381eff5d5e6c1b29b">~vtkMergeColumns</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#69deae8fd6e9ee56b6c6e9e6a97d6ec5">RequestData</a> (<a class="el" href="a00872.html">vtkInformation</a> *, <a class="el" href="a00895.html">vtkInformationVector</a> **, <a class="el" href="a00895.html">vtkInformationVector</a> *)</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01008.html#5d96098190d01d5a54537609d4beffba">MergedColumnName</a></td></tr>
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<hr><h2>Member Typedef Documentation</h2>
<a class="anchor" name="b42e40e93bb5ed29dd9e7a8380e9612d"></a><!-- doxytag: member="vtkMergeColumns::Superclass" ref="b42e40e93bb5ed29dd9e7a8380e9612d" args="" -->
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<td class="memname">typedef <a class="el" href="a01658.html">vtkTableAlgorithm</a> <a class="el" href="a01658.html">vtkMergeColumns::Superclass</a> </td>
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<p>
<p>Reimplemented from <a class="el" href="a01658.html#e71eff4b26bf9f313690008c05fc3263">vtkTableAlgorithm</a>.</p>
<p>Definition at line <a class="el" href="a04827.html#l00050">50</a> of file <a class="el" href="a04827.html">vtkMergeColumns.h</a>.</p>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="90eb623d82e8d678c1818eab98cdf98d"></a><!-- doxytag: member="vtkMergeColumns::vtkMergeColumns" ref="90eb623d82e8d678c1818eab98cdf98d" args="()" -->
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<td class="memname">vtkMergeColumns::vtkMergeColumns </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<a class="anchor" name="201e5f54cb9689c381eff5d5e6c1b29b"></a><!-- doxytag: member="vtkMergeColumns::~vtkMergeColumns" ref="201e5f54cb9689c381eff5d5e6c1b29b" args="()" -->
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<td class="memname">vtkMergeColumns::~vtkMergeColumns </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="cdb76a7e484c0c704978bfc5ea4249fe"></a><!-- doxytag: member="vtkMergeColumns::New" ref="cdb76a7e484c0c704978bfc5ea4249fe" args="()" -->
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<td class="memname">static <a class="el" href="a01008.html">vtkMergeColumns</a>* vtkMergeColumns::New </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [static]</code></td>
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<p>
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
<p>Reimplemented from <a class="el" href="a01658.html#1e8db94a40b1fa7946147f5b8322c13a">vtkTableAlgorithm</a>.</p>
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<a class="anchor" name="03c0703617518d0af3f06f370c9996dc"></a><!-- doxytag: member="vtkMergeColumns::GetClassName" ref="03c0703617518d0af3f06f370c9996dc" args="()" -->
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<td class="memname">virtual const char* vtkMergeColumns::GetClassName </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="a01658.html#a2bc407279f13174f55d8226b1cb69b9">vtkTableAlgorithm</a>.</p>
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<a class="anchor" name="13ccddc995c56d65e7eb24d39a9976c3"></a><!-- doxytag: member="vtkMergeColumns::IsTypeOf" ref="13ccddc995c56d65e7eb24d39a9976c3" args="(const char *type)" -->
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<td class="memname">static int vtkMergeColumns::IsTypeOf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a01658.html#6c1959af90dc7bdd9180e67d73c602a5">vtkTableAlgorithm</a>.</p>
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<a class="anchor" name="dadd8de0dc6cf184d344a415835cd691"></a><!-- doxytag: member="vtkMergeColumns::IsA" ref="dadd8de0dc6cf184d344a415835cd691" args="(const char *type)" -->
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<td class="memname">virtual int vtkMergeColumns::IsA </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
<p>Reimplemented from <a class="el" href="a01658.html#089c6101c9eda87d65dbb946f4e211ad">vtkTableAlgorithm</a>.</p>
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<a class="anchor" name="3fe74b4ba7abc4058be2c4de79250fc9"></a><!-- doxytag: member="vtkMergeColumns::SafeDownCast" ref="3fe74b4ba7abc4058be2c4de79250fc9" args="(vtkObject *o)" -->
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<td class="memname">static <a class="el" href="a01008.html">vtkMergeColumns</a>* vtkMergeColumns::SafeDownCast </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a01084.html">vtkObject</a> * </td>
<td class="paramname"> <em>o</em> </td>
<td> ) </td>
<td><code> [static]</code></td>
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<p>Reimplemented from <a class="el" href="a01658.html#a9373d392d3f520454d52ef6adaa09e3">vtkTableAlgorithm</a>.</p>
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<a class="anchor" name="cd7723590829cf9737d93bfc4ae3080a"></a><!-- doxytag: member="vtkMergeColumns::PrintSelf" ref="cd7723590829cf9737d93bfc4ae3080a" args="(ostream &os, vtkIndent indent)" -->
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<td class="memname">void vtkMergeColumns::PrintSelf </td>
<td>(</td>
<td class="paramtype">ostream & </td>
<td class="paramname"> <em>os</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="a00869.html">vtkIndent</a> </td>
<td class="paramname"> <em>indent</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use <a class="el" href="a01085.html#edadf6378465fd81c2592ef64262e2a5">Print()</a> instead) but used in the hierarchical print process to combine the output of several classes.
<p>Reimplemented from <a class="el" href="a01658.html#368da4c8eb6cbcda080c54addaee1fe5">vtkTableAlgorithm</a>.</p>
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<a class="anchor" name="5a1fc1631d690c296962b64f7485c426"></a><!-- doxytag: member="vtkMergeColumns::SetMergedColumnName" ref="5a1fc1631d690c296962b64f7485c426" args="(const char *)" -->
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<td class="memname">virtual void vtkMergeColumns::SetMergedColumnName </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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The name to give the merged column created by this filter.
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<a class="anchor" name="4449fe4262b26fff0f6dbc76dad02c3d"></a><!-- doxytag: member="vtkMergeColumns::GetMergedColumnName" ref="4449fe4262b26fff0f6dbc76dad02c3d" args="()" -->
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<td class="memname">virtual char* vtkMergeColumns::GetMergedColumnName </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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The name to give the merged column created by this filter.
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<a class="anchor" name="69deae8fd6e9ee56b6c6e9e6a97d6ec5"></a><!-- doxytag: member="vtkMergeColumns::RequestData" ref="69deae8fd6e9ee56b6c6e9e6a97d6ec5" args="(vtkInformation *, vtkInformationVector **, vtkInformationVector *)" -->
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<td class="memname">int vtkMergeColumns::RequestData </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00872.html">vtkInformation</a> * </td>
<td class="paramname"> <em>request</em>, </td>
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<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> ** </td>
<td class="paramname"> <em>inputVector</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="a00895.html">vtkInformationVector</a> * </td>
<td class="paramname"> <em>outputVector</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [protected, virtual]</code></td>
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This is called by the superclass. This is the method you should override.
<p>Reimplemented from <a class="el" href="a01658.html#76ecb5162644ca3bd5bcd900abfa8809">vtkTableAlgorithm</a>.</p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="5d96098190d01d5a54537609d4beffba"></a><!-- doxytag: member="vtkMergeColumns::MergedColumnName" ref="5d96098190d01d5a54537609d4beffba" args="" -->
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<td class="memname">char* <a class="el" href="a01008.html#5d96098190d01d5a54537609d4beffba">vtkMergeColumns::MergedColumnName</a><code> [protected]</code> </td>
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<p>Definition at line <a class="el" href="a04827.html#l00063">63</a> of file <a class="el" href="a04827.html">vtkMergeColumns.h</a>.</p>
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<hr>The documentation for this class was generated from the following file:<ul>
<li>dox/Infovis/<a class="el" href="a04827.html">vtkMergeColumns.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 19:17:04 2009 for VTK by
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