Method SkipTimeStep

IO/EnSight/vtkEnSight6BinaryReader.cxx:286–367

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//------------------------------------------------------------------------------
int vtkEnSight6BinaryReader::SkipTimeStep()
{
  char line[81];
  int lineRead;
  int pointIdsListed;

  this->ReadLine(line);
  while (strncmp(line, "BEGIN TIME STEP", 15) != 0)
  {
    this->ReadLine(line);
  }

  // Skip the 2 description lines.
  this->ReadLine(line);
  this->ReadLine(line);

  // Read the node id and element id lines.
  this->ReadLine(line); // node id *
  auto resultSubLine0 = vtk::scan<std::string_view, std::string_view, std::string_view>(
    std::string_view(line), "{:s} {:s} {:s}");
  auto subLine = std::get<2>(resultSubLine0->values());
  if (subLine == "given" || subLine == "ignore")
  {
    pointIdsListed = 1;
  }
  else
  {
    pointIdsListed = 0;
  }

  this->ReadLine(line); // element id *
  auto resultSubLine1 = vtk::scan<std::string_view, std::string_view, std::string_view>(
    std::string_view(line), "{:s} {:s} {:s}");
  subLine = std::get<2>(resultSubLine1->values());
  if (subLine == "given" || subLine == "ignore")
  {
    this->ElementIdsListed = 1;
  }
  else
  {
    this->ElementIdsListed = 0;
  }

  this->ReadLine(line);                                   // "coordinates"
  this->ReadIntNumber(&this->NumberOfUnstructuredPoints); // number of points
  if (this->NumberOfUnstructuredPoints < 0 ||
    static_cast<unsigned int>(this->NumberOfUnstructuredPoints * sizeof(int)) > this->FileSize)
  {
    vtkErrorMacro("Invalid number of unstructured points; check that ByteOrder is set correctly.");
    return 0;
  }

  if (pointIdsListed)
  { // skip point ids.
    this->BinaryIFile->seekg((sizeof(int) * this->NumberOfUnstructuredPoints), ios::cur);
  }

  this->BinaryIFile->seekg((sizeof(float) * 3 * this->NumberOfUnstructuredPoints), ios::cur);