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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCirclePackToPolyData.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 vtkCirclePackToPolyData
* @brief converts a tree to a polygonal data
* representing a circle packing of the hierarchy.
*
*
* This algorithm requires that the vtkCirclePackLayout filter has already
* been applied to the data in order to create the triple array
* (Xcenter, Ycenter, Radius) of circle bounds or each vertex of the tree.
*/
#ifndef vtkCirclePackToPolyData_h
#define vtkCirclePackToPolyData_h
#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
class VTKINFOVISLAYOUT_EXPORT vtkCirclePackToPolyData : public vtkPolyDataAlgorithm
{
public:
static vtkCirclePackToPolyData* New();
vtkTypeMacro(vtkCirclePackToPolyData, vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* The field containing triples of the form (Xcenter, Ycenter, Radius).
* This field may be added to the tree using vtkCirclePackLayout.
* This array must be set.
*/
virtual void SetCirclesArrayName(const char* name)
{
this->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_VERTICES, name);
}
//@{
/**
* Define the number of sides used in output circles.
* Default is 100.
*/
vtkSetMacro(Resolution, unsigned int);
vtkGetMacro(Resolution, unsigned int);
//@}
int FillInputPortInformation(int port, vtkInformation* info) override;
protected:
vtkCirclePackToPolyData();
~vtkCirclePackToPolyData() override;
unsigned int Resolution;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
private:
vtkCirclePackToPolyData(const vtkCirclePackToPolyData&) = delete;
void operator=(const vtkCirclePackToPolyData&) = delete;
void CreateCircle(const double& x, const double& y, const double& z, const double& radius,
const int& resolution, vtkPolyData* polyData);
};
#endif