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133 lines
4.4 KiB
C
133 lines
4.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkStaticCellLinks.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 vtkStaticCellLinks
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* @brief object represents upward pointers from points
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* to list of cells using each point
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*
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* vtkStaticCellLinks is a supplemental object to vtkCellArray and
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* vtkCellTypes, enabling access from points to the cells using the
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* points. vtkStaticCellLinks is an array of links, each link represents a
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* list of cell ids using a particular point. The information provided by
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* this object can be used to determine cell neighbors and construct other
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* local topological information. This class is a faster implementation of
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* vtkCellLinks. However, it cannot be incrementally constructed; it is meant
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* to be constructed once (statically) and must be rebuilt if the cells
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* change.
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*
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* @warning
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* This is a drop-in replacement for vtkCellLinks using static link
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* construction. It uses the templated vtkStaticCellLinksTemplate class,
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* instantiating vtkStaticCellLinksTemplate with a vtkIdType template
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* parameter. Note that for best performance, the vtkStaticCellLinksTemplate
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* class may be used directly, instantiating it with the appropriate id
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* type. This class is also wrappable and can be used from an interpreted
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* language such as Python.
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*
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* @sa
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* vtkCellLinks vtkStaticCellLinksTemplate
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*/
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#ifndef vtkStaticCellLinks_h
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#define vtkStaticCellLinks_h
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#include "vtkAbstractCellLinks.h"
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#include "vtkCommonDataModelModule.h" // For export macro
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#include "vtkStaticCellLinksTemplate.h" // For implementations
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class vtkDataSet;
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class vtkCellArray;
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class VTKCOMMONDATAMODEL_EXPORT vtkStaticCellLinks : public vtkAbstractCellLinks
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{
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public:
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//@{
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/**
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* Standard methods for instantiation, type manipulation and printing.
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*/
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static vtkStaticCellLinks* New();
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vtkTypeMacro(vtkStaticCellLinks, vtkAbstractCellLinks);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@}
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/**
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* Build the link list array. Satisfy the superclass API.
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*/
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void BuildLinks(vtkDataSet* ds) override
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{
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this->Impl->SetSequentialProcessing(this->SequentialProcessing);
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this->Impl->BuildLinks(ds);
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}
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/**
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* Get the number of cells using the point specified by ptId.
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*/
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vtkIdType GetNumberOfCells(vtkIdType ptId) { return this->Impl->GetNumberOfCells(ptId); }
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/**
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* Get the number of cells using the point specified by ptId. This is an
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* alias for GetNumberOfCells(); consistent with the vtkCellLinks API.
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*/
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vtkIdType GetNcells(vtkIdType ptId) { return this->Impl->GetNumberOfCells(ptId); }
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/**
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* Return a list of cell ids using the specified point.
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*/
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vtkIdType* GetCells(vtkIdType ptId) { return this->Impl->GetCells(ptId); }
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/**
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* Make sure any previously created links are cleaned up.
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*/
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void Initialize() override { this->Impl->Initialize(); }
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/**
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* Reclaim any unused memory.
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*/
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void Squeeze() override {}
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/**
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* Reset to a state of no entries without freeing the memory.
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*/
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void Reset() override {}
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/**
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* Return the memory in kibibytes (1024 bytes) consumed by this cell links array.
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* Used to support streaming and reading/writing data. The value
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* returned is guaranteed to be greater than or equal to the memory
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* required to actually represent the data represented by this object.
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* The information returned is valid only after the pipeline has
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* been updated.
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*/
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unsigned long GetActualMemorySize() override { return this->Impl->GetActualMemorySize(); }
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/**
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* Standard DeepCopy method. Since this object contains no reference
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* to other objects, there is no ShallowCopy.
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*/
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void DeepCopy(vtkAbstractCellLinks* src) override { this->Impl->DeepCopy(src); }
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protected:
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vtkStaticCellLinks();
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~vtkStaticCellLinks() override;
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vtkStaticCellLinksTemplate<vtkIdType>* Impl;
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private:
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vtkStaticCellLinks(const vtkStaticCellLinks&) = delete;
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void operator=(const vtkStaticCellLinks&) = delete;
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};
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#endif
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