Method Write

IO/Parallel/vtkPDataSetWriter.cxx:72–282

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkPDataSetWriter::Write()
{
  int i;
  int length;

  ostream* fptr;
  vtkDataSet* input = this->GetInput();
  int inputAlgPort;
  vtkAlgorithm* inputAlg = this->GetInputAlgorithm(0, 0, inputAlgPort);

  if (this->FileName == nullptr)
  {
    vtkErrorMacro("No file name.");
    return 0;
  }

  this->StartPiece = std::max(this->StartPiece, 0);
  if (this->NumberOfPieces < 0 || this->EndPiece < this->StartPiece)
  {
    vtkWarningMacro("No pieces to write.");
    return 1;
  }

  // Only one piece? The just write one vtk file.
  if (this->StartPiece == 0 && this->NumberOfPieces == 1)
  {
    return this->vtkDataSetWriter::Write();
  }

  // Lets compute the file root from the file name supplied by the user.
  length = static_cast<int>(strlen(this->FileName));
  std::vector<char> fileRoot(length + 1);
  size_t fileNameSize = length + this->FilePatternStdFormat.size() + 20;
  std::vector<char> fileName(fileNameSize);
  strncpy(fileRoot.data(), this->FileName, length);
  fileRoot[length] = '\0';
  // Trim off the pvtk extension.
  if (strncmp(fileRoot.data() + length - 5, ".pvtk", 5) == 0)
  {
    fileRoot[length - 5] = '\0';
  }
  if (strncmp(fileRoot.data() + length - 4, ".vtk", 4) == 0)
  {
    fileRoot[length - 4] = '\0';
  }
  // If we are using relative file names, trim off the directory path.
  if (this->UseRelativeFileNames)
  {
    char *tmp, *slash;
    // Find the last / or \ in the file name.
    slash = nullptr;
    tmp = fileRoot.data();
    while (*tmp != '\0')
    {
      if (*tmp == '/' || *tmp == '\\')
      {
        slash = tmp;
      }