vtkStackedTreeLayoutStrategy.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkStackedTreeLayoutStrategy.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.
-------------------------------------------------------------------------*/
#ifndef vtkStackedTreeLayoutStrategy_h
#define vtkStackedTreeLayoutStrategy_h
 
#include "vtkAreaLayoutStrategy.h"
#include "vtkInfovisLayoutModule.h" // For export macro
 
class vtkTree;
class vtkDataArray;
 
class VTKINFOVISLAYOUT_EXPORT vtkStackedTreeLayoutStrategy : public vtkAreaLayoutStrategy
{
public:
  static vtkStackedTreeLayoutStrategy* New();
  vtkTypeMacro(vtkStackedTreeLayoutStrategy, vtkAreaLayoutStrategy);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Layout(vtkTree* inputTree, vtkDataArray* sectorArray, vtkDataArray* sizeArray) override;
 
  void LayoutEdgePoints(vtkTree* inputTree, vtkDataArray* sectorArray, vtkDataArray* sizeArray,
    vtkTree* edgeRoutingTree) override;
 
 
  vtkSetMacro(InteriorRadius, double);
  vtkGetMacro(InteriorRadius, double);
 
 
  vtkSetMacro(RingThickness, double);
  vtkGetMacro(RingThickness, double);
 
 
  vtkSetMacro(RootStartAngle, double);
  vtkGetMacro(RootStartAngle, double);
 
 
  vtkSetMacro(RootEndAngle, double);
  vtkGetMacro(RootEndAngle, double);
 
 
  vtkSetMacro(UseRectangularCoordinates, bool);
  vtkGetMacro(UseRectangularCoordinates, bool);
  vtkBooleanMacro(UseRectangularCoordinates, bool);
 
 
  vtkSetMacro(Reverse, bool);
  vtkGetMacro(Reverse, bool);
  vtkBooleanMacro(Reverse, bool);
 
 
  vtkSetMacro(InteriorLogSpacingValue, double);
  vtkGetMacro(InteriorLogSpacingValue, double);
 
  vtkIdType FindVertex(vtkTree* tree, vtkDataArray* array, float pnt[2]) override;
 
protected:
  vtkStackedTreeLayoutStrategy();
  ~vtkStackedTreeLayoutStrategy() override;
 
  float InteriorRadius;
  float RingThickness;
  float RootStartAngle;
  float RootEndAngle;
  bool UseRectangularCoordinates;
  bool Reverse;
  double InteriorLogSpacingValue;
 
  void ComputeEdgeRoutingPoints(vtkTree* inputTree, vtkDataArray* coordsArray, vtkTree* outputTree);
 
  void LayoutChildren(vtkTree* tree, vtkDataArray* coordsArray, vtkDataArray* sizeArray,
    vtkIdType nchildren, vtkIdType parent, vtkIdType begin, float parentInnerRad,
    float parentOuterRad, float parentStartAng, float parentEndAng);
 
private:
  vtkStackedTreeLayoutStrategy(const vtkStackedTreeLayoutStrategy&) = delete;
  void operator=(const vtkStackedTreeLayoutStrategy&) = delete;
};
 
#endif