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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSliceAndDiceLayoutStrategy.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.
-------------------------------------------------------------------------*/
// .NAME vtkSliceAndDiceLayoutStrategy - a horizontal and vertical slicing tree map layout
//
// .SECTION Description
// Lays out a tree-map alternating between horizontal and vertical slices,
// taking into account the relative size of each vertex.
//
// .SECTION Thanks
// Slice and dice algorithm comes from:
// Shneiderman, B. 1992. Tree visualization with tree-maps: 2-d space-filling approach.
// ACM Trans. Graph. 11, 1 (Jan. 1992), 92-99.
#ifndef vtkSliceAndDiceLayoutStrategy_h
#define vtkSliceAndDiceLayoutStrategy_h
#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkTreeMapLayoutStrategy.h"
class VTKINFOVISLAYOUT_EXPORT vtkSliceAndDiceLayoutStrategy : public vtkTreeMapLayoutStrategy
{
public:
static vtkSliceAndDiceLayoutStrategy *New();
vtkTypeMacro(vtkSliceAndDiceLayoutStrategy,vtkTreeMapLayoutStrategy);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Perform the layout of a tree and place the results as 4-tuples in
// coordsArray (Xmin, Xmax, Ymin, Ymax).
void Layout(
vtkTree* inputTree,
vtkDataArray* coordsArray,
vtkDataArray* sizeArray);
protected:
vtkSliceAndDiceLayoutStrategy();
~vtkSliceAndDiceLayoutStrategy();
private:
vtkSliceAndDiceLayoutStrategy(const vtkSliceAndDiceLayoutStrategy&); // Not implemented.
void operator=(const vtkSliceAndDiceLayoutStrategy&); // Not implemented.
};
#endif
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