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/*=========================================================================
Program: Visualization Toolkit
Module: vtkAppendSelection.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 (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
// .NAME vtkAppendSelection - appends one or more selections together
//
// .SECTION Description
// vtkAppendSelection is a filter that appends one of more selections into
// a single selection. All selections must have the same content type unless
// AppendByUnion is false.
#ifndef __vtkAppendSelection_h
#define __vtkAppendSelection_h
#include "vtkSelectionAlgorithm.h"
class vtkSelection;
class VTK_GRAPHICS_EXPORT vtkAppendSelection : public vtkSelectionAlgorithm
{
public:
static vtkAppendSelection *New();
vtkTypeMacro(vtkAppendSelection,vtkSelectionAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// UserManagedInputs allows the user to set inputs by number instead of
// using the AddInput/RemoveInput functions. Calls to
// SetNumberOfInputs/SetInputByNumber should not be mixed with calls
// to AddInput/RemoveInput. By default, UserManagedInputs is false.
vtkSetMacro(UserManagedInputs,int);
vtkGetMacro(UserManagedInputs,int);
vtkBooleanMacro(UserManagedInputs,int);
// Description:
// Add a dataset to the list of data to append. Should not be
// used when UserManagedInputs is true, use SetInputByNumber instead.
void AddInput(vtkSelection *);
// Description:
// Remove a dataset from the list of data to append. Should not be
// used when UserManagedInputs is true, use SetInputByNumber (NULL) instead.
void RemoveInput(vtkSelection *);
//BTX
// Description:
// Get any input of this filter.
vtkSelection *GetInput(int idx);
vtkSelection *GetInput() { return this->GetInput( 0 ); };
//ETX
// Description:
// Directly set(allocate) number of inputs, should only be used
// when UserManagedInputs is true.
void SetNumberOfInputs(int num);
// Set Nth input, should only be used when UserManagedInputs is true.
void SetInputByNumber(int num, vtkSelection *input);
// Description:
// When set to true, all the selections are combined together to form a single
// vtkSelection output.
// When set to false, the output is a composite selection with
// input selections as the children of the composite selection. This allows
// for selections with different content types and properties. Default is
// true.
vtkSetMacro(AppendByUnion, int);
vtkGetMacro(AppendByUnion, int);
vtkBooleanMacro(AppendByUnion, int);
protected:
vtkAppendSelection();
~vtkAppendSelection();
// Usual data generation method
virtual int RequestData(vtkInformation *,
vtkInformationVector **, vtkInformationVector *);
virtual int FillInputPortInformation(int, vtkInformation *);
private:
// hide the superclass' AddInput() from the user and the compiler
void AddInput(vtkDataObject *)
{ vtkErrorMacro( << "AddInput() must be called with a vtkSelection not a vtkDataObject."); };
int UserManagedInputs;
int AppendByUnion;
private:
vtkAppendSelection(const vtkAppendSelection&); // Not implemented.
void operator=(const vtkAppendSelection&); // Not implemented.
};
#endif
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