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90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkMergeArrays.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.paraview.org/HTML/Copyright.html 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 vtkMergeArrays
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* @brief Multiple inputs with one output.
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*
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* vtkMergeArrays tries to put all arrays from all inputs into one output.
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* The output data object is the same as the first data input.
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* The filter checks for a consistent number of points and cells with
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* respect to the first input, but does not check any more. Any inputs
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* which do not have the correct number of points or cells are ignored
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* for that type of data set attribute. When adding new arrays, if there
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* is an existing array of the same name and attribute type, the new array
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* will have the name mangled to be the original array name plus
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* `_input_<inputid>` where `<inputid>` is the id/index of the input filter
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* that is providing that array.
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*/
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#ifndef vtkMergeArrays_h
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#define vtkMergeArrays_h
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#include "vtkFiltersGeneralModule.h" // For export macro
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#include "vtkPassInputTypeAlgorithm.h"
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#include <string> // Needed for protected method argument
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class vtkDataSet;
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class vtkFieldData;
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class VTKFILTERSGENERAL_EXPORT vtkMergeArrays : public vtkPassInputTypeAlgorithm
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{
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public:
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static vtkMergeArrays* New();
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vtkTypeMacro(vtkMergeArrays, vtkPassInputTypeAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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protected:
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vtkMergeArrays();
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~vtkMergeArrays() override;
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//@{
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/**
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* Given an existing set of output arrays and an array name and input data set
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* index, return an appropriate name to use for the output array. Returns true
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* if the name is a new name and false if not.
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*/
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virtual bool GetOutputArrayName(
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vtkFieldData* arrays, const char* inArrayName, int inputIndex, std::string& outArrayName);
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//@}
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//@{
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/**
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* Add input field arrays to output, mangling output array names as needed
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* based on inputIndex.
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*/
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void MergeArrays(int inputIndex, vtkFieldData* inputFD, vtkFieldData* outputFD);
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//@{
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/**
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* For a given input and index, add data arrays to the output. Returns 1 for
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* success and 0 for failure.
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*/
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virtual int MergeDataObjectFields(vtkDataObject* input, int inputIndex, vtkDataObject* output);
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//@}
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// see algorithm for more info
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int FillInputPortInformation(int port, vtkInformation* info) override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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vtkMergeArrays(const vtkMergeArrays&) = delete;
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void operator=(const vtkMergeArrays&) = delete;
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};
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#endif
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