VTK: dox/Parallel/vtkPChacoReader.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPChacoReader.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 /*----------------------------------------------------------------------------
00016  Copyright (c) Sandia Corporation
00017  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
00018 ----------------------------------------------------------------------------*/
00019 
00029 #ifndef __vtkPChacoReader_h
00030 #define __vtkPChacoReader_h
00031 
00032 #include "vtkChacoReader.h"
00033 
00034 class vtkTimerLog;
00035 class vtkMultiProcessController;
00036 
00037 class VTK_PARALLEL_EXPORT vtkPChacoReader : public vtkChacoReader 
00038 {
00039 public:
00040   static vtkPChacoReader *New();
00041   vtkTypeRevisionMacro(vtkPChacoReader,vtkChacoReader);
00042   void PrintSelf(ostream& os, vtkIndent indent);
00043 
00047   void SetController(vtkMultiProcessController *c);
00048   vtkGetObjectMacro(Controller, vtkMultiProcessController);
00049 
00050 protected:
00051   vtkPChacoReader();
00052   ~vtkPChacoReader();
00053 
00054   int RequestInformation(
00055     vtkInformation *, vtkInformationVector **, vtkInformationVector *);
00056   int RequestData(
00057     vtkInformation *, vtkInformationVector **, vtkInformationVector *);
00058 
00059 private:
00060   vtkPChacoReader(const vtkPChacoReader&); // Not implemented
00061   void operator=(const vtkPChacoReader&); // Not implemented
00062 
00063   void SetUpEmptyGrid(vtkUnstructuredGrid *output);
00064   int DivideCells(vtkMultiProcessController *contr, vtkUnstructuredGrid *output,
00065                   int source);
00066   int SendGrid(vtkMultiProcessController *c, int to, vtkUnstructuredGrid *grid);
00067   vtkUnstructuredGrid *GetGrid(vtkMultiProcessController *c, int from);
00068   vtkUnstructuredGrid *SubGrid(vtkUnstructuredGrid *ug, vtkIdType from, vtkIdType to);
00069   char *MarshallDataSet(vtkUnstructuredGrid *extractedGrid, int &len);
00070   vtkUnstructuredGrid *UnMarshallDataSet(char *buf, int size);
00071 
00072   int NumProcesses;
00073   int MyId;
00074 
00075   vtkMultiProcessController *Controller;
00076 };
00077 
00078 #endif