vtkPSLACReader.h

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// -*- c++ -*-
/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPSLACReader.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.
 
=========================================================================*/
 
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
 
#ifndef vtkPSLACReader_h
#define vtkPSLACReader_h
 
#include "vtkIOParallelNetCDFModule.h" // For export macro
#include "vtkSLACReader.h"
 
class vtkMultiProcessController;
 
class VTKIOPARALLELNETCDF_EXPORT vtkPSLACReader : public vtkSLACReader
{
public:
  vtkTypeMacro(vtkPSLACReader, vtkSLACReader);
  static vtkPSLACReader* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetObjectMacro(Controller, vtkMultiProcessController);
  virtual void SetController(vtkMultiProcessController*);
 
protected:
  vtkPSLACReader();
  ~vtkPSLACReader() override;
 
  vtkMultiProcessController* Controller;
 
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int CheckTetrahedraWinding(int meshFD) override;
  int ReadConnectivity(
    int meshFD, vtkMultiBlockDataSet* surfaceOutput, vtkMultiBlockDataSet* volumeOutput) override;
  int ReadCoordinates(int meshFD, vtkMultiBlockDataSet* output) override;
  int ReadMidpointCoordinates(
    int meshFD, vtkMultiBlockDataSet* output, MidpointCoordinateMap& map) override;
  int ReadMidpointData(int meshFD, vtkMultiBlockDataSet* output, MidpointIdMap& map) override;
  int RestoreMeshCache(vtkMultiBlockDataSet* surfaceOutput, vtkMultiBlockDataSet* volumeOutput,
    vtkMultiBlockDataSet* compositeOutput) override;
  int ReadFieldData(const int* modeFDArray, int numModeFDs, vtkMultiBlockDataSet* output) override;
 
  int ReadTetrahedronInteriorArray(int meshFD, vtkIdTypeArray* connectivity) override;
  int ReadTetrahedronExteriorArray(int meshFD, vtkIdTypeArray* connectivity) override;
 
  int MeshUpToDate() override;
 
  vtkSmartPointer<vtkDataArray> ReadPointDataArray(int ncFD, int varId) override;
 
  class vtkInternal;
  vtkInternal* PInternal;
 
 
  int NumberOfPieces;
  int RequestedPiece;
 
  vtkIdType NumberOfGlobalPoints;
 
  vtkIdType NumberOfGlobalMidpoints;
 
 
  vtkIdType StartPointRead(int process)
  {
    return process * (this->NumberOfGlobalPoints / this->NumberOfPieces + 1);
  }
  vtkIdType EndPointRead(int process)
  {
    vtkIdType result = this->StartPointRead(process + 1);
    if (result > this->NumberOfGlobalPoints)
      result = this->NumberOfGlobalPoints;
    return result;
  }
 
 
  int NumberOfPiecesCache;
  int RequestedPieceCache;
 
private:
  vtkPSLACReader(const vtkPSLACReader&) = delete;
  void operator=(const vtkPSLACReader&) = delete;
};
 
#endif // vtkPSLACReader_h