Method InsertColumn

Common/DataModel/vtkTable.cxx:450–489

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

//------------------------------------------------------------------------------
void vtkTable::InsertColumn(vtkAbstractArray* arr, vtkIdType index)
{
  if (this->GetNumberOfColumns() > 0 && arr->GetNumberOfTuples() != this->GetNumberOfRows())
  {
    vtkErrorMacro(<< "Column \"" << arr->GetName() << "\" must have " << this->GetNumberOfRows()
                  << " rows, but has " << arr->GetNumberOfTuples() << ".");
    return;
  }
  // ensure index is sensible
  index = std::max<vtkIdType>(0, std::min<vtkIdType>(this->GetNumberOfColumns(), index));

  // insert at end?
  if (index == this->GetNumberOfColumns())
  {
    this->AddColumn(arr);
    return;
  }

  // remove all arrays from RowData, then insert them again in correct order with new array inserted
  // note: use vtkSmartPointer to preserve a reference count, else this->RowData->RemoveArray(0)
  // will delete the array
  vtkIdType ncols = this->GetNumberOfColumns();
  std::vector<vtkSmartPointer<vtkAbstractArray>> store;
  store.reserve(ncols);

  for (int c = 0; c < ncols; c++)
  {
    if (c == index)
    {
      store.emplace_back(arr);
    }
    store.emplace_back(this->GetColumn(0));
    this->RowData->RemoveArray(0);
  }

  for (unsigned long c = 0; c < store.size(); c++)
  {
    this->RowData->AddArray(store[c]);
  }
}

//------------------------------------------------------------------------------
void vtkTable::RemoveColumnByName(const char* name)