vtkCirclePackLayout.h

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/*=========================================================================
 
 Program:   Visualization Toolkit
 Module:    vtkCirclePackLayout.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 vtkCirclePackLayout_h
#define vtkCirclePackLayout_h
 
#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkTreeAlgorithm.h"
 
class vtkCirclePackLayoutStrategy;
class vtkDoubleArray;
class vtkDataArray;
class vtkTree;
 
class VTKINFOVISLAYOUT_EXPORT vtkCirclePackLayout : public vtkTreeAlgorithm
{
public:
    static vtkCirclePackLayout *New();
 
    vtkTypeMacro(vtkCirclePackLayout,vtkTreeAlgorithm);
    void PrintSelf(ostream& os, vtkIndent indent);
 
 
    vtkGetStringMacro(CirclesFieldName);
    vtkSetStringMacro(CirclesFieldName);
 
 
    virtual void SetSizeArrayName(const char* name)
    { this->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_VERTICES, name); }
 
 
    vtkGetObjectMacro(LayoutStrategy, vtkCirclePackLayoutStrategy);
    void SetLayoutStrategy(vtkCirclePackLayoutStrategy * strategy);
 
    vtkIdType FindVertex(double pnt[2], double *cinfo=0);
 
    void GetBoundingCircle(vtkIdType id, double *cinfo);
 
    virtual unsigned long GetMTime();
 
protected:
    vtkCirclePackLayout();
    ~vtkCirclePackLayout();
 
    char * CirclesFieldName;
    vtkCirclePackLayoutStrategy* LayoutStrategy;
 
    int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
private:
 
    vtkCirclePackLayout(const vtkCirclePackLayout&);  // Not implemented.
    void operator=(const vtkCirclePackLayout&);  // Not implemented.
    void prepareSizeArray(vtkDoubleArray* mySizeArray,
                          vtkTree* tree);
};
 
#endif