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/*=========================================================================
Program: ParaView
Module: $RCSfile: vtkSelection.h,v $
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.
=========================================================================*/
// .NAME vtkSelection - A node in a selection tree. Used to store selection results.
// .SECTION Description
// vtkSelection is a collection of vtkSelectionNode objects, each of which
// contains information about a piece of the whole selection. Each selection
// node may contain different types of selections.
//
// .SECTION See Also
// vtkSelectionNode
#ifndef __vtkSelection_h
#define __vtkSelection_h
#include "vtkDataObject.h"
//BTX
class vtkSelectionNode;
struct vtkSelectionInternals;
//ETX
class VTK_FILTERING_EXPORT vtkSelection : public vtkDataObject
{
public:
vtkTypeRevisionMacro(vtkSelection,vtkDataObject);
void PrintSelf(ostream& os, vtkIndent indent);
static vtkSelection* New();
// Description:
// Restore data object to initial state,
virtual void Initialize();
// Description:
// Returns VTK_SELECTION enumeration value.
virtual int GetDataObjectType() {return VTK_SELECTION;}
// Description:
// Returns the number of nodes in this selection.
// Each node contains information about part of the selection.
unsigned int GetNumberOfNodes();
// Description:
// Returns a node given it's index. Performs bound checking
// and will return 0 if out-of-bounds.
virtual vtkSelectionNode* GetNode(unsigned int idx);
// Description:
// Adds a selection node.
virtual void AddNode(vtkSelectionNode*);
// Description:
// Removes a selection node.
virtual void RemoveNode(unsigned int idx);
virtual void RemoveNode(vtkSelectionNode*);
virtual void RemoveAllNodes();
// Description:
// Copy selection nodes of the input.
virtual void DeepCopy(vtkDataObject* src);
// Description:
// Copy selection nodes of the input.
// This is a shallow copy: selection lists and pointers in the
// properties are passed by reference.
virtual void ShallowCopy(vtkDataObject* src);
// Description:
// Union this selection with the specified selection.
// Attempts to reuse selection nodes in this selection if properties
// match exactly. Otherwise, creates new selection nodes.
virtual void Union(vtkSelection* selection);
// Description:
// Union this selection with the specified selection node.
// Attempts to reuse a selection node in this selection if properties
// match exactly. Otherwise, creates a new selection node.
virtual void Union(vtkSelectionNode* node);
// Description:
// Return the MTime taking into account changes to the properties
unsigned long GetMTime();
// Description:
// Retrieve a vtkSelection stored inside an invormation object.
static vtkSelection* GetData(vtkInformation* info);
static vtkSelection* GetData(vtkInformationVector* v, int i=0);
//BTX
protected:
vtkSelection();
~vtkSelection();
private:
vtkSelection(const vtkSelection&); // Not implemented.
void operator=(const vtkSelection&); // Not implemented.
vtkSelectionInternals* Internal;
//ETX
};
#endif
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