Method OnAddPoint

Modules/Segmentation/src/Interactions/mitkContourModelInteractor.cpp:93–155

}

void mitk::ContourModelInteractor::OnAddPoint(StateMachineAction*, InteractionEvent* interactionEvent)
{
  const auto* positionEvent = dynamic_cast<const InteractionPositionEvent*>(interactionEvent);
  if (!positionEvent)
    return;

  const auto timeStep = interactionEvent->GetSender()->GetTimeStep(GetDataNode()->GetData());

  auto* contour = dynamic_cast<mitk::ContourModel*>(this->GetDataNode()->GetData());

  Point3D currentPosition = positionEvent->GetPositionInWorld();

  ContourElement::VertexSizeType segmentStart;
  ContourElement::VertexSizeType segmentEnd;
  Point3D closestContourPoint;
  if (contour->GetLineSegmentForPoint(currentPosition, ContourModelInteractor::eps, timeStep, segmentStart, segmentEnd, closestContourPoint, true))
  {
    const auto vertexList = contour->GetVertexList(timeStep);
    //check if the segment is NOT within restricted control points.
    auto controlStartIt = vertexList.begin();
    auto controlEndIt = vertexList.begin();
    for (auto searchIt = vertexList.begin() + segmentStart; searchIt != vertexList.begin(); searchIt--)
    {
      if ((*searchIt)->IsControlPoint)
      {
        controlStartIt = searchIt;
        break;
      }
    }
    for (auto searchIt = vertexList.begin() + segmentEnd; searchIt != vertexList.end(); searchIt++)
    {
      if ((*searchIt)->IsControlPoint)
      {
        controlEndIt = searchIt;
        break;
      }
    }

    const auto restrictedVs = m_RestrictedArea->GetVertexList(timeStep);
    bool startIsRestricted = false;
    bool stopIsRestricted = false;

    for (auto restrictedV : restrictedVs)
    {
      if (restrictedV->Coordinates == (*controlStartIt)->Coordinates)
      {
        startIsRestricted = true;
      }
      if (restrictedV->Coordinates == (*controlEndIt)->Coordinates)
      {
        stopIsRestricted = true;
      }
    }

    if (!(startIsRestricted && stopIsRestricted))
    {
      //add the point
      contour->InsertVertexAtIndex(closestContourPoint, segmentEnd, true, timeStep);