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105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkSplineGraphEdges.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkSplineGraphEdges
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* @brief subsample graph edges to make smooth curves
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*
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*
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* vtkSplineGraphEdges uses a vtkSpline to make edges into nicely sampled
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* splines. By default, the filter will use an optimized b-spline.
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* Otherwise, it will use a custom vtkSpline instance set by the user.
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*/
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#ifndef vtkSplineGraphEdges_h
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#define vtkSplineGraphEdges_h
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#include "vtkGraphAlgorithm.h"
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#include "vtkInfovisLayoutModule.h" // For export macro
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#include "vtkSmartPointer.h" // For ivars
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class vtkSpline;
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class VTKINFOVISLAYOUT_EXPORT vtkSplineGraphEdges : public vtkGraphAlgorithm
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{
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public:
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static vtkSplineGraphEdges* New();
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vtkTypeMacro(vtkSplineGraphEdges, vtkGraphAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* If SplineType is CUSTOM, uses this spline.
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*/
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virtual void SetSpline(vtkSpline* s);
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vtkGetObjectMacro(Spline, vtkSpline);
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//@}
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enum
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{
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BSPLINE = 0,
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CUSTOM
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};
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//@{
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/**
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* Spline type used by the filter.
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* BSPLINE (0) - Use optimized b-spline (default).
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* CUSTOM (1) - Use spline set with SetSpline.
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*/
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vtkSetMacro(SplineType, int);
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vtkGetMacro(SplineType, int);
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//@}
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//@{
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/**
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* The number of subdivisions in the spline.
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*/
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vtkSetMacro(NumberOfSubdivisions, vtkIdType);
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vtkGetMacro(NumberOfSubdivisions, vtkIdType);
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//@}
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protected:
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vtkSplineGraphEdges();
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~vtkSplineGraphEdges() override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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vtkMTimeType GetMTime() override;
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void GeneratePoints(vtkGraph* g, vtkIdType e);
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void GenerateBSpline(vtkGraph* g, vtkIdType e);
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vtkSpline* Spline;
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int SplineType;
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vtkSmartPointer<vtkSpline> XSpline;
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vtkSmartPointer<vtkSpline> YSpline;
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vtkSmartPointer<vtkSpline> ZSpline;
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vtkIdType NumberOfSubdivisions;
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private:
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vtkSplineGraphEdges(const vtkSplineGraphEdges&) = delete;
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void operator=(const vtkSplineGraphEdges&) = delete;
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};
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#endif
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