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vtkMergeColumns.h
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vtkMergeColumns.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMergeColumns.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
* @class vtkMergeColumns
* @brief merge two columns into a single column
*
*
* vtkMergeColumns replaces two columns in a table with a single column
* containing data in both columns. The columns are set using
*
* SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_ROWS, "col1")
*
* and
*
* SetInputArrayToProcess(1, 0, 0, vtkDataObject::FIELD_ASSOCIATION_ROWS, "col2")
*
* 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.
*/
#ifndef vtkMergeColumns_h
#define vtkMergeColumns_h
#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkTableAlgorithm.h"
class VTKINFOVISCORE_EXPORT vtkMergeColumns : public vtkTableAlgorithm
{
public:
static vtkMergeColumns* New();
vtkTypeMacro(vtkMergeColumns,vtkTableAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* The name to give the merged column created by this filter.
*/
vtkSetStringMacro(MergedColumnName);
vtkGetStringMacro(MergedColumnName);
//@}
protected:
vtkMergeColumns();
~vtkMergeColumns();
char* MergedColumnName;
int RequestData(
vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
private:
vtkMergeColumns(const vtkMergeColumns&) VTK_DELETE_FUNCTION;
void operator=(const vtkMergeColumns&) VTK_DELETE_FUNCTION;
};
#endif