103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkHyperTreeGridGradient.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 vtkHyperTreeGridGradient
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* @brief Compute the gradient of a scalar field
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* on a Hyper Tree Grid.
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*
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* This filter compute the gradient of a given cell scalars array on a
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* Hyper Tree Grid. This result in a new array attached to the original input.
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*
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* @sa
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* vtkHyperTreeGrid vtkHyperTreeGridAlgorithm vtkGradientFilter
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*
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* @par Thanks:
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* This class was created by Charles Gueunet, 2022
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* This work was supported by Commissariat a l'Energie Atomique
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* CEA, DAM, DIF, F-91297 Arpajon, France.
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*/
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#ifndef vtkHyperTreeGridGradient_h
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#define vtkHyperTreeGridGradient_h
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#include "vtkFiltersHyperTreeModule.h" // For export macro
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#include "vtkHyperTreeGridAlgorithm.h"
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#include "vtkNew.h" // for internal fields
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#include "vtkSmartPointer.h" // for internal fields
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#include <string> // for internal fields
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class vtkHyperTreeGridNonOrientedGeometryCursor;
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class vtkHyperTreeGridNonOrientedMooreSuperCursor;
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class vtkBitArray;
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class vtkDoubleArray;
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class vtkUnsignedCharArray;
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class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridGradient : public vtkHyperTreeGridAlgorithm
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{
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public:
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static vtkHyperTreeGridGradient* New();
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vtkTypeMacro(vtkHyperTreeGridGradient, vtkHyperTreeGridAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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///@{
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/**
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* Set/Get the name of computed vector array.
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*/
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vtkSetMacro(ResultArrayName, std::string);
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vtkGetMacro(ResultArrayName, std::string);
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///@}
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protected:
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vtkHyperTreeGridGradient();
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~vtkHyperTreeGridGradient() override;
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/**
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* Main routine to generate gradient of hyper tree grid.
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*/
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int ProcessTrees(vtkHyperTreeGrid*, vtkDataObject*) override;
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/**
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* Recursively descend into tree down to leaves
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*/
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template <class Worker>
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void RecursivelyProcessTree(vtkHyperTreeGridNonOrientedMooreSuperCursor*, Worker&);
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// Fields
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std::string ResultArrayName = "Gradient";
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/**
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* Keep track of selected input scalars
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*/
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vtkSmartPointer<vtkDataArray> InScalars;
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/**
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* Computed gradient
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*/
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vtkNew<vtkDoubleArray> OutGradient;
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// shortcut to HTG fields
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vtkBitArray* InMask = nullptr;
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vtkUnsignedCharArray* InGhostArray = nullptr;
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private:
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vtkHyperTreeGridGradient(const vtkHyperTreeGridGradient&) = delete;
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void operator=(const vtkHyperTreeGridGradient&) = delete;
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};
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#endif // vtkHyperTreeGridGradient_h
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