125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkXMLGenericDataObjectReader.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 vtkXMLGenericDataObjectReader
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* @brief Read any type of vtk data object
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*
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* vtkXMLGenericDataObjectReader reads any type of vtk data object encoded
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* in XML format.
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*
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* @sa
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* vtkGenericDataObjectReader
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*/
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#ifndef vtkXMLGenericDataObjectReader_h
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#define vtkXMLGenericDataObjectReader_h
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#include "vtkIOXMLModule.h" // For export macro
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#include "vtkSmartPointer.h" // for API
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#include "vtkXMLDataReader.h"
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class vtkHierarchicalBoxDataSet;
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class vtkMultiBlockDataSet;
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class vtkImageData;
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class vtkPolyData;
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class vtkRectilinearGrid;
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class vtkStructuredGrid;
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class vtkUnstructuredGrid;
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class VTKIOXML_EXPORT vtkXMLGenericDataObjectReader : public vtkXMLDataReader
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{
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public:
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vtkTypeMacro(vtkXMLGenericDataObjectReader, vtkXMLDataReader);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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static vtkXMLGenericDataObjectReader* New();
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///@{
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/**
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* Get the reader's output.
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*/
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vtkDataObject* GetOutput();
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vtkDataObject* GetOutput(int idx);
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///@}
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///@{
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/**
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* Get the output as various concrete types. This method is typically used
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* when you know exactly what type of data is being read. Otherwise, use
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* the general GetOutput() method. If the wrong type is used nullptr is
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* returned. (You must also set the filename of the object prior to
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* getting the output.)
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*/
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vtkHierarchicalBoxDataSet* GetHierarchicalBoxDataSetOutput();
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vtkImageData* GetImageDataOutput();
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vtkMultiBlockDataSet* GetMultiBlockDataSetOutput();
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vtkPolyData* GetPolyDataOutput();
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vtkRectilinearGrid* GetRectilinearGridOutput();
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vtkStructuredGrid* GetStructuredGridOutput();
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vtkUnstructuredGrid* GetUnstructuredGridOutput();
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///@}
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/**
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* Overridden method.
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*/
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vtkIdType GetNumberOfPoints() override;
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/**
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* Overridden method.
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*/
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vtkIdType GetNumberOfCells() override;
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/**
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* Overridden method. Not Used. Delegated.
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*/
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void SetupEmptyOutput() override;
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/**
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* This method can be used to find out the type of output expected without
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* needing to read the whole file.
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*/
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virtual int ReadOutputType(const char* name, bool& parallel);
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/**
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* Helper to create a reader based on the data object type.
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* Returns null if the reader cannot be determined.
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*/
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static vtkSmartPointer<vtkXMLReader> CreateReader(int data_object_type, bool parallel);
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protected:
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vtkXMLGenericDataObjectReader();
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~vtkXMLGenericDataObjectReader() override;
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/**
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* Overridden method. Not used. Return "vtkDataObject".
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*/
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const char* GetDataSetName() override;
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int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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virtual int RequestUpdateExtent(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int FillOutputPortInformation(int, vtkInformation*) override;
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vtkXMLReader* Reader; // actual reader
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private:
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vtkXMLGenericDataObjectReader(const vtkXMLGenericDataObjectReader&) = delete;
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void operator=(const vtkXMLGenericDataObjectReader&) = delete;
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};
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#endif
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