/*
* Check whether the DataNode contains a pointset, if not create one and add it.
*/
void mitk::SinglePointDataInteractor::DataNodeChanged()
{
if (GetDataNode() != nullptr)
{
PointSet *points = dynamic_cast<PointSet *>(GetDataNode()->GetData());
if (points == NULL)
{
m_PointSet = PointSet::New();
GetDataNode()->SetData(m_PointSet);
}
else
{
points->Clear();
m_PointSet = points;
}
}
}
