Method HandleGET_selectedTime

Modules/RESTAPI/src/mitkRenderingController.cpp:410–474

}

void RenderingController::HandleGET_selectedTime(const httplib::Request& req, httplib::Response& res) const
{
  TimeStepType timestep = 0;
  double timepointMs = 0.0;
  double minTimepointMs = 0.0;
  double maxTimepointMs = 0.0;
  TimeStepType steps = 0;

  bool tncNull = false;
  try
  {
    this->Dispatch([&timestep, &timepointMs, &minTimepointMs, &maxTimepointMs, &steps, &tncNull]()
    {
      auto* const tnc = RenderingManager::GetInstance()->GetTimeNavigationController();
      if (tnc == nullptr)
      {
        tncNull = true;
        return;
      }

      timestep = tnc->GetSelectedTimeStep();
      timepointMs = tnc->GetSelectedTimePoint();

      const auto tg = tnc->GetInputWorldTimeGeometry();
      if (nullptr != tg)
      {
        steps = tg->CountTimeSteps();
        minTimepointMs = tg->GetMinimumTimePoint();
        maxTimepointMs = tg->GetMaximumTimePoint();
      }
      else
      {
        const auto* stepper = tnc->GetStepper();
        if (stepper != nullptr)
        {
          steps = stepper->GetSteps();
        }
      }
    });
  }
  catch (const std::exception& e)
  {
    const auto error = ErrorResponse::InternalError(
      std::string("Failed to read time navigation state: ") + e.what(), req.path);
    this->SendErrorResponse(res, 500, error);
    return;
  }

  if (tncNull)
  {
    const auto error = ErrorResponse::TimeNavigationNotAvailable(req.path);
    this->SendErrorResponse(res, 503, error);
    return;
  }

  nlohmann::json response;
  response["timepoint_ms"] = timepointMs;
  response["timestep"] = timestep;