vtkTemporalDelimitedTextReader.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkTemporalDelimitedTextReader.h
 
  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.
 
=========================================================================*/
#ifndef vtkTemporalDelimitedTextReader_h
#define vtkTemporalDelimitedTextReader_h
 
#include "vtkDelimitedTextReader.h"
 
#include "vtkIOInfovisModule.h" // module export
#include "vtkNew.h"             // For ReadTable field
 
#include <map>    // To store the TimeMap
#include <vector> // To store the TimeMap
 
class VTKIOINFOVIS_EXPORT vtkTemporalDelimitedTextReader : public vtkDelimitedTextReader
{
public:
  static vtkTemporalDelimitedTextReader* New();
  vtkTypeMacro(vtkTemporalDelimitedTextReader, vtkDelimitedTextReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetMacro(TimeColumnName, std::string);
  void SetTimeColumnName(const std::string name);
 
 
  vtkGetMacro(TimeColumnId, int);
  void SetTimeColumnId(const int idx);
 
 
  vtkGetMacro(RemoveTimeStepColumn, bool);
  void SetRemoveTimeStepColumn(bool rts);
 
  vtkMTimeType GetMTime() override;
 
protected:
  vtkTemporalDelimitedTextReader();
  ~vtkTemporalDelimitedTextReader() override = default;
 
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  bool EnforceColumnName();
 
  void InternalModified();
 
  // Time column fields
  std::string TimeColumnName = "";
  std::string InternalColumnName = "";
  vtkIdType TimeColumnId = -1;
  bool RemoveTimeStepColumn = true;
  std::map<double, std::vector<vtkIdType>> TimeMap;
 
  // Input file content and update
  vtkNew<vtkTable> ReadTable;
  vtkMTimeType LastReadTime = 0;
  vtkTimeStamp InternalMTime;
 
private:
  vtkTemporalDelimitedTextReader(const vtkTemporalDelimitedTextReader&) = delete;
  void operator=(const vtkTemporalDelimitedTextReader&) = delete;
};
 
#endif