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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkExtractTemporalFieldData.h,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkExtractTemporalFieldData - Extract temporal arrays from input field data
// .SECTION Description
// vtkExtractTemporalFieldData extracts arrays from the input vtkFieldData.
// These arrays are assumed to contain temporal data, where the nth tuple
// contains the value for the nth timestep.
// The output is a 1D rectilinear grid where the
// XCoordinates correspond to time (the same array is also copied to
// a point array named Time or TimeData (if Time exists in the input).
// This algorithm does not produce a TIME_STEPS or TIME_RANGE information
// because it works across time.
// .Section Caveat
// vtkExtractTemporalFieldData puts a vtkOnePieceExtentTranslator in the
// output during RequestInformation(). As a result, the same whole
// extented is produced independent of the piece request.
// This algorithm works only with source that produce TIME_STEPS().
// Continuous time range is not yet supported.
#ifndef __vtkExtractTemporalFieldData_h
#define __vtkExtractTemporalFieldData_h
#include "vtkRectilinearGridAlgorithm.h"
class vtkDataSet;
class vtkRectilinearGrid;
class vtkDataSetAttributes;
class VTK_GRAPHICS_EXPORT vtkExtractTemporalFieldData : public vtkRectilinearGridAlgorithm
{
public:
static vtkExtractTemporalFieldData *New();
vtkTypeRevisionMacro(vtkExtractTemporalFieldData,vtkRectilinearGridAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Get the number of time steps
vtkGetMacro(NumberOfTimeSteps,int);
protected:
vtkExtractTemporalFieldData();
~vtkExtractTemporalFieldData();
virtual int ProcessRequest(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual int RequestInformation(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestUpdateExtent(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestData(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int FillInputPortInformation(int port, vtkInformation* info);
// Description:
// This looks at the arrays in the vtkFieldData of input and copies them
// to the output point data.
void CopyDataToOutput(vtkDataSet *input, vtkRectilinearGrid *output,
double *times, int numTimes);
int NumberOfTimeSteps;
private:
vtkExtractTemporalFieldData(const vtkExtractTemporalFieldData&); // Not implemented.
void operator=(const vtkExtractTemporalFieldData&); // Not implemented.
};
#endif
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