Method UpdateLookup

Common/Core/vtkBitArray.cxx:755–782

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

//------------------------------------------------------------------------------
void vtkBitArray::UpdateLookup()
{
  if (!this->Lookup)
  {
    this->Lookup = new vtkBitArrayLookup();
    this->Lookup->ZeroArray = vtkIdList::New();
    this->Lookup->OneArray = vtkIdList::New();
  }
  if (this->Lookup->Rebuild)
  {
    int numComps = this->GetNumberOfComponents();
    vtkIdType numTuples = this->GetNumberOfTuples();
    this->Lookup->ZeroArray->Allocate(numComps * numTuples);
    this->Lookup->OneArray->Allocate(numComps * numTuples);
    for (vtkIdType i = 0; i < numComps * numTuples; i++)
    {
      if (this->GetValue(i))
      {
        this->Lookup->OneArray->InsertNextId(i);
      }
      else
      {
        this->Lookup->ZeroArray->InsertNextId(i);
      }
    }
    this->Lookup->Rebuild = false;
  }
}

//------------------------------------------------------------------------------
vtkIdType vtkBitArray::LookupValue(vtkVariant var)