88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkExtractParticlesOverTime.h
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Copyright (c) Kitware, Inc.
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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 vtkExtractParticlesOverTime
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* @brief Extract particles that goes through a given volumic data set.
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*
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* vtkExtractParticlesOverTime extracts particles (points) from the first input that goes through
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* the volume of the second input by iterating over time. Both inputs should be vtkDataSet objects.
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* The first input should be temporal (i.e contains time steps), and the second one should be a
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* volumic dataset (i.e contains 3D cells).
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*
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* The output is a vtkDataSet that contains points which are subsets of the first input. The points
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* move over time the same way the first input does.
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*/
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#ifndef vtkExtractParticlesOverTime_h
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#define vtkExtractParticlesOverTime_h
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#include "vtkDataSetAlgorithm.h"
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#include "vtkFiltersExtractionModule.h" // For export macro
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#include <memory> // For smart pointers
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#include <string> // For channel array name
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class vtkExtractParticlesOverTimeInternals;
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class VTKFILTERSEXTRACTION_EXPORT vtkExtractParticlesOverTime : public vtkDataSetAlgorithm
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{
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public:
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///@{
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/**
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* Standard Type-Macro
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*/
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static vtkExtractParticlesOverTime* New();
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vtkTypeMacro(vtkExtractParticlesOverTime, vtkDataSetAlgorithm);
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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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* Specify the name of a scalar array which will be used to fetch
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* the index of each point. This is necessary only if the particles
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* change position (Id order) on each time step. The Id can be used
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* to identify particles at each step and hence track them properly.
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* If this array is nullptr, the global point ids are used. If an Id
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* array cannot otherwise be found, the point index is used as the ID.
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*/
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vtkSetStdStringFromCharMacro(IdChannelArray);
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vtkGetCharFromStdStringMacro(IdChannelArray);
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///@}
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protected:
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vtkExtractParticlesOverTime();
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~vtkExtractParticlesOverTime() override = default;
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///@{
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/**
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* The necessary parts of the standard pipeline update mechanism
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*/
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int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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int RequestUpdateExtent(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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///@}
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private:
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vtkExtractParticlesOverTime(const vtkExtractParticlesOverTime&) = delete;
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void operator=(const vtkExtractParticlesOverTime&) = delete;
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std::string IdChannelArray;
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std::shared_ptr<vtkExtractParticlesOverTimeInternals> Internals;
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};
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#endif
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