123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkAMRInterpolatedVelocityField.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 vtkAMRInterpolatedVelocityField
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* @brief A concrete class for obtaining
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* the interpolated velocity values at a point in AMR data.
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*
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* The main functionality supported here is the point location inside
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* vtkOverlappingAMR data set.
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*/
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#ifndef vtkAMRInterpolatedVelocityField_h
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#define vtkAMRInterpolatedVelocityField_h
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#include "vtkFiltersFlowPathsModule.h" // For export macro
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#include "vtkAbstractInterpolatedVelocityField.h"
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class vtkOverlappingAMR;
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class VTKFILTERSFLOWPATHS_EXPORT vtkAMRInterpolatedVelocityField
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: public vtkAbstractInterpolatedVelocityField
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{
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public:
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///@{
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/**
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* Standard methods for obtaining type information and printing the object state.
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*/
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static vtkAMRInterpolatedVelocityField* New();
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vtkTypeMacro(vtkAMRInterpolatedVelocityField, vtkAbstractInterpolatedVelocityField);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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///@}
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///@{
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/**
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*
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* Specify the AMR dataset to process.
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*/
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virtual void SetAmrDataSet(vtkOverlappingAMR*);
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vtkGetObjectMacro(AmrDataSet, vtkOverlappingAMR);
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void SetAMRData(vtkOverlappingAMR* amr) { this->SetAmrDataSet(amr); }
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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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* interpolators 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(vtkAbstractInterpolatedVelocityField* from) override;
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/**
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* Set the cell id cached by the last evaluation.
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*/
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void SetLastCellId(vtkIdType c) override { this->Superclass::SetLastCellId(c); }
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using Superclass::FunctionValues;
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/**
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* Evaluate the velocity field f at point p.
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* If it succeeds, then both the last data set (this->LastDataSet) and
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* the last data set location (this->LastLevel, this->LastId) will be
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* set according to where p is found. If it fails, either p is out of
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* bound, in which case both the last data set and the last location
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* will be invalid or, in a multi-process setting, p is inbound but not
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* on the processor. In the last case, the last data set location is
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* still valid
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*/
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int FunctionValues(double* x, double* f) override;
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/**
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* Helper function to locator the grid within an AMR dataset.
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*/
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static bool FindGrid(
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double q[3], vtkOverlappingAMR* amrds, unsigned int& level, unsigned int& gridId);
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///@{
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/**
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* Methods to support local caching while searching for AMR datasets.
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*/
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bool GetLastDataSetLocation(unsigned int& level, unsigned int& id);
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bool SetLastDataSet(int level, int id);
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void SetLastCellId(vtkIdType c, int dataindex) override;
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///@}
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protected:
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vtkOverlappingAMR* AmrDataSet;
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int LastLevel;
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int LastId;
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vtkAMRInterpolatedVelocityField();
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~vtkAMRInterpolatedVelocityField() override;
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int FunctionValues(vtkDataSet* ds, double* x, double* f) override
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{
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return this->Superclass::FunctionValues(ds, x, f);
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}
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/**
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* Method to initialize the velocity field. Generally this must be called when
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* performing threaded operations; however if not called apriori it will be called in
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* the first call to FunctionValues(), which implicitly assumes that this is being
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* used in serial operation.
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*/
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int SelfInitialize() override;
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private:
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vtkAMRInterpolatedVelocityField(const vtkAMRInterpolatedVelocityField&) = delete;
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void operator=(const vtkAMRInterpolatedVelocityField&) = delete;
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};
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#endif
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