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126 lines
4.4 KiB
126 lines
4.4 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkDataSetToDataSetFilter.h,v $
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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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// .NAME vtkDataSetToDataSetFilter - abstract filter class
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// .SECTION Description
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// vtkDataSetToDataSetFilter is an abstract filter class. Subclasses of
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// vtkDataSetToDataSetFilter take a dataset as input and create a dataset as
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// output. The form of the input geometry is not changed in these filters,
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// only the point attributes (e.g. scalars, vectors, etc.).
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//
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// This is an abstract filter type. What that means is that the output of the
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// filter is an abstract type (i.e., vtkDataSet), no matter what the input of
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// the filter is. This can cause problems connecting together filters due to
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// the change in dataset type. (For example, in a series of filters
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// processing vtkPolyData, when a vtkDataSetToDataSetFilter or subclass is
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// introduced into the pipeline, if the filter downstream of it takes
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// vtkPolyData as input, the pipeline connection cannot be made.) To get
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// around this problem, use one of the convenience methods to return a
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// concrete type (e.g., vtkGetPolyDataOutput(), GetStructuredPointsOutput(),
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// etc.).
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// .SECTION See Also
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// vtkBrownianPoints vtkProbeFilter vtkThresholdTextureCoords vtkDicer
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// vtkElevationFilter vtkImplicitTextureCoords vtkTextureMapToBox
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// vtkTextureMapToPlane vtkVectorDot vtkVectorNorm
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#ifndef __vtkDataSetToDataSetFilter_h
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#define __vtkDataSetToDataSetFilter_h
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#include "vtkDataSetSource.h"
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class vtkDataSet;
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class vtkPolyData;
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class vtkRectilinearGrid;
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class vtkStructuredGrid;
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class vtkStructuredPoints;
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class vtkUnstructuredGrid;
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class VTK_FILTERING_EXPORT vtkDataSetToDataSetFilter : public vtkDataSetSource
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{
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public:
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vtkTypeRevisionMacro(vtkDataSetToDataSetFilter,vtkDataSetSource);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Specify the input data or filter.
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void SetInput(vtkDataSet *input);
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// Description:
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// Get the output of this filter. If output is NULL then input
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// hasn't been set which is necessary for abstract objects.
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vtkDataSet *GetOutput();
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vtkDataSet *GetOutput(int idx);
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// Description:
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// Get the output as vtkPolyData.
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virtual vtkPolyData *GetPolyDataOutput();
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// Description:
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// Get the output as vtkStructuredPoints.
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virtual vtkStructuredPoints *GetStructuredPointsOutput();
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// Description:
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// Get the output as vtkStructuredGrid.
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virtual vtkStructuredGrid *GetStructuredGridOutput();
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// Description:
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// Get the output as vtkUnstructuredGrid.
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virtual vtkUnstructuredGrid *GetUnstructuredGridOutput();
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// Description:
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// Get the output as vtkRectilinearGrid.
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virtual vtkRectilinearGrid *GetRectilinearGridOutput();
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// Description:
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// Get the input data or filter.
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vtkDataSet *GetInput();
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// Description:
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// By default copy the output update extent to the input
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virtual void ComputeInputUpdateExtents( vtkDataObject *output );
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// Description:
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// Transform pipeline requests from executives into old-style
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// pipeline calls. This works with the
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// vtkStreamingDemandDrivenPipeline executive to maintain backward
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// compatibility for filters written as subclasses of vtkSource.
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virtual int ProcessRequest(vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector*);
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protected:
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vtkDataSetToDataSetFilter();
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~vtkDataSetToDataSetFilter();
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void ExecuteInformation();
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virtual int FillInputPortInformation(int, vtkInformation*);
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// This is called by the superclass.
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// This is the method you should override.
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virtual int RequestDataObject(vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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private:
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vtkDataSetToDataSetFilter(const vtkDataSetToDataSetFilter&); // Not implemented.
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void operator=(const vtkDataSetToDataSetFilter&); // Not implemented.
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};
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#endif
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