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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkHyperTreeGridGeometrySmallDimensionsImpl
* @brief Common interface for 1D and 2D vtkHyperTreeGridGeometry internal classes
*
* This class defines the common interface for or 1D and 2D vtkHyperTreeGridGeometry
* internal classes, because their overall logic is very close.
*/
#ifndef vtkHyperTreeGridGeometrySmallDimensionsImpl_h
#define vtkHyperTreeGridGeometrySmallDimensionsImpl_h
#include "vtkHyperTreeGridGeometryImpl.h"
#include <vector> // For std::vector
VTK_ABI_NAMESPACE_BEGIN
class vtkDataArray;
class vtkIncrementalPointLocator;
class vtkPoints;
class vtkUnsignedCharArray;
class vtkHyperTreeGridNonOrientedGeometryCursor;
class vtkHyperTreeGridGeometrySmallDimensionsImpl : public vtkHyperTreeGridGeometryImpl
{
public:
vtkHyperTreeGridGeometrySmallDimensionsImpl(vtkHyperTreeGrid* input, vtkPoints* outPoints,
vtkCellArray* outCells, vtkDataSetAttributes* inCellDataAttributes,
vtkDataSetAttributes* outCellDataAttributes, bool passThroughCellIds,
const std::string& originalCellIdArrayName, bool fillMaterial);
~vtkHyperTreeGridGeometrySmallDimensionsImpl() override = default;
/**
* Generate the external surface of the input vtkHyperTreeGrid.
*/
void GenerateGeometry() override;
protected:
/**
* Recursively browse the input HTG in order to generate the output surface.
* Tis method is called by GenerateGeometry.
*
* XXX: We need to determine a common interface for all cursors in order to
* define RecursivelyProcessTree as virtual in upper classes.
*/
void RecursivelyProcessTree(vtkHyperTreeGridNonOrientedGeometryCursor* cursor);
/**
* Generate the surface for a leaf cell with a defined interface.
*/
void ProcessLeafCellWithInterface(vtkHyperTreeGridNonOrientedGeometryCursor* cursor);
/**
* Generate the surface for a leaf cell with no interface.
*/
virtual void ProcessLeafCellWithoutInterface(vtkHyperTreeGridNonOrientedGeometryCursor* cursor);
/**
* Generate the surface for a leaf cell cut by one interface.
* Called by ProcessLeafCellWithInterface.
*/
virtual void ProcessLeafCellWithOneInterface(vtkHyperTreeGridNonOrientedGeometryCursor* cursor,
double sign, const std::vector<double>& distancesToInterface) = 0;
/**
* Generate the surface for a leaf cell cut by two interfaces.
* Called by ProcessLeafCellWithInterface.
*/
virtual void ProcessLeafCellWithDoubleInterface(vtkHyperTreeGridNonOrientedGeometryCursor* cursor,
const std::vector<double>& distancesToInterfaceA,
const std::vector<double>& distancesToInterfaceB) = 0;
/**
* Compute the point coordinates of the surface of the current cell, independently
* of the fact that the current cell has a defined interface or not.
*
* Used as a pre-process in ProcessLeafCellWithInterface.
*
* XXX: can be used in ProcessLeafCellWithoutInterface ?
*/
virtual void BuildCellPoints(vtkHyperTreeGridNonOrientedGeometryCursor* cursor) = 0;
/**
* Contains the point coordinates of the current cell surface,
* without considering eventual cuts made by interfaces.
*
* XXX: cache variable for the "current" cell
*/
vtkNew<vtkPoints> CellPoints;
};
VTK_ABI_NAMESPACE_END
#endif /* vtkHyperTreeGridGeometrySmallDimensionsImpl_h */
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