Method SetShapeAttribute

Common/DataModel/vtkCellGrid.cxx:677–708

}

bool vtkCellGrid::SetShapeAttribute(vtkCellAttribute* shape)
{
  if (!shape)
  {
    if (this->HaveShape)
    {
      this->HaveShape = false;
      this->Modified();
      return true;
    }
    return false;
  }
  if (shape->GetHash() == this->ShapeAttribute.GetId() && this->HaveShape)
  {
    return false; // No change.
  }
  // If we don't already own this attribute, add it to this->Attributes:
  auto it = this->Attributes.find(shape->GetHash());
  if (it == this->Attributes.end())
  {
    this->Attributes[shape->GetHash()] = shape;
  }
  else if (it->second != shape)
  {
    vtkErrorMacro("Hash collision for shape attribute. Ignoring call to SetShapeAttribute().");
    return false;
  }
  this->HaveShape = true;
  this->ShapeAttribute = shape->GetHash();
  this->Modified();
  return true;
}

bool vtkCellGrid::Query(vtkCellGridQuery* query)
{