/usr/include/vtk-7.1/vtkSquarifyLayoutStrategy.h is in libvtk7-dev 7.1.1+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkSquarifyLayoutStrategy.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 vtkSquarifyLayoutStrategy
* @brief uses the squarify tree map layout algorithm
*
*
* vtkSquarifyLayoutStrategy partitions the space for child vertices into regions
* that use all available space and are as close to squares as possible.
* The algorithm also takes into account the relative vertex size.
*
* @par Thanks:
* The squarified tree map algorithm comes from:
* Bruls, D.M., C. Huizing, J.J. van Wijk. Squarified Treemaps.
* In: W. de Leeuw, R. van Liere (eds.), Data Visualization 2000,
* Proceedings of the joint Eurographics and IEEE TCVG Symposium on Visualization,
* 2000, Springer, Vienna, p. 33-42.
*/
#ifndef vtkSquarifyLayoutStrategy_h
#define vtkSquarifyLayoutStrategy_h
#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkTreeMapLayoutStrategy.h"
class vtkIdList;
class VTKINFOVISLAYOUT_EXPORT vtkSquarifyLayoutStrategy : public vtkTreeMapLayoutStrategy
{
public:
static vtkSquarifyLayoutStrategy *New();
vtkTypeMacro(vtkSquarifyLayoutStrategy,vtkTreeMapLayoutStrategy);
void PrintSelf(ostream& os, vtkIndent indent);
/**
* 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:
vtkSquarifyLayoutStrategy();
~vtkSquarifyLayoutStrategy();
private:
void LayoutChildren(
vtkTree *tree,
vtkDataArray *coordsArray,
vtkDataArray *sizeArray,
vtkIdType nchildren,
vtkIdType parent,
vtkIdType begin,
float minX, float maxX,
float minY, float maxY);
vtkSquarifyLayoutStrategy(const vtkSquarifyLayoutStrategy&) VTK_DELETE_FUNCTION;
void operator=(const vtkSquarifyLayoutStrategy&) VTK_DELETE_FUNCTION;
};
#endif
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