88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkClosestNPointsStrategy.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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* @class vtkClosestNPointsStrategy
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* @brief implement a specific vtkPointSet::FindCell() strategy based
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* on the N closest points
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*
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* vtkClosestNPointsStrategy is implements a FindCell() strategy based on
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* locating the closest N points in a dataset, and then searching attached
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* cells. This class extends its superclass vtkClosestPointStrategy by looking
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* at the additional N points.
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*
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* @sa
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* vtkFindCellStrategy vtkPointSet
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*/
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#ifndef vtkClosestNPointsStrategy_h
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#define vtkClosestNPointsStrategy_h
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#include "vtkClosestPointStrategy.h"
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#include "vtkCommonDataModelModule.h" // For export macro
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class VTKCOMMONDATAMODEL_EXPORT vtkClosestNPointsStrategy : public vtkClosestPointStrategy
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{
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public:
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/**
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* Construct a vtkFindCellStrategy subclass.
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*/
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static vtkClosestNPointsStrategy* New();
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///@{
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/**
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* Standard methods for type information and printing.
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*/
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vtkTypeMacro(vtkClosestNPointsStrategy, vtkClosestPointStrategy);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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///@}
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// Re-use any superclass signatures that we don't override.
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using vtkClosestPointStrategy::Initialize;
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/**
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* Implement the specific strategy.
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*/
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vtkIdType FindCell(double x[3], vtkCell* cell, vtkGenericCell* gencell, vtkIdType cellId,
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double tol2, int& subId, double pcoords[3], double* weights) override;
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///@{
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/**
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* Set / get the value for the N closest points.
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*/
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vtkSetClampMacro(ClosestNPoints, int, 1, 100);
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vtkGetMacro(ClosestNPoints, int);
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///@}
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/**
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* Copy essential parameters between instances of this class. This
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* generally is used to copy from instance prototype to another, or to copy
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* strategies between thread instances. Sub-classes can contribute to
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* the parameter copying process via chaining.
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*/
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void CopyParameters(vtkFindCellStrategy* from) override;
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protected:
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vtkClosestNPointsStrategy();
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~vtkClosestNPointsStrategy() override;
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int ClosestNPoints;
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private:
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vtkClosestNPointsStrategy(const vtkClosestNPointsStrategy&) = delete;
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void operator=(const vtkClosestNPointsStrategy&) = delete;
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};
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#endif
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