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108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkHyperTreeGridToUnstructuredGrid.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 vtkHyperTreeGridToUnstructuredGrid
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* @brief Convert hyper tree grid to
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* unstructured grid.
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*
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JB Primal mesh
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* Make explicit all leaves of a hyper tree grid by converting them to cells
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* of an unstructured grid.
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* Produces segments in 1D, rectangles in 2D, right hexahedra in 3D.
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* NB: The output will contain superimposed inter-element boundaries and pending
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* nodes as a result of T-junctions.
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*
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* @sa
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* vtkHyperTreeGrid vtkHyperTreeGridAlgorithm
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*
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* @par Thanks:
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* This class was written by Philippe Pebay, Joachim Pouderoux, and Charles Law, Kitware 2012
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* This class was modified by Guenole Harel and Jacques-Bernard Lekien, 2014
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* This class was rewritten by Philippe Pebay, 2016
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* This class was modified by Jacques-Bernard Lekien, 2018
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* This class was corriged (used orientation) by Jacques-Bernard Lekien, 2018
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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 vtkHyperTreeGridToUnstructuredGrid_h
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#define vtkHyperTreeGridToUnstructuredGrid_h
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#include "vtkFiltersHyperTreeModule.h" // For export macro
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#include "vtkHyperTreeGridAlgorithm.h"
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class vtkBitArray;
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class vtkCellArray;
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class vtkHyperTreeGrid;
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class vtkPoints;
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class vtkUnstructuredGrid;
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class vtkHyperTreeGridNonOrientedGeometryCursor;
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class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridToUnstructuredGrid
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: public vtkHyperTreeGridAlgorithm
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{
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public:
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static vtkHyperTreeGridToUnstructuredGrid* New();
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vtkTypeMacro(vtkHyperTreeGridToUnstructuredGrid, vtkHyperTreeGridAlgorithm);
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void PrintSelf(ostream&, vtkIndent) override;
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protected:
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vtkHyperTreeGridToUnstructuredGrid();
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~vtkHyperTreeGridToUnstructuredGrid() override;
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/**
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* For this algorithm the output is a vtkUnstructuredGrid instance
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*/
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int FillOutputPortInformation(int, vtkInformation*) override;
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/**
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* Main routine to convert the grid of tree into an unstructured 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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void RecursivelyProcessTree(vtkHyperTreeGridNonOrientedGeometryCursor*);
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/**
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* Helper method to generate a 2D or 3D cell
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*/
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void AddCell(vtkIdType, double*, double*);
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/**
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* Storage for points of output unstructured mesh
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*/
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vtkPoints* Points;
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/**
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* Storage for cells of output unstructured mesh
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*/
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vtkCellArray* Cells;
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/**
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* Storage of underlying tree
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*/
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unsigned int Dimension;
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unsigned int Orientation;
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const unsigned int* Axes;
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private:
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vtkHyperTreeGridToUnstructuredGrid(const vtkHyperTreeGridToUnstructuredGrid&) = delete;
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void operator=(const vtkHyperTreeGridToUnstructuredGrid&) = delete;
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};
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#endif /* vtkHyperTreeGridToUnstructuredGrid_h */
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