C++ EventWorkspace_sptr::constInstrumentParameters方法代码示例

void CorrectKiKf::execEvent()
{
  g_log.information("Processing event workspace");

  const MatrixWorkspace_const_sptr matrixInputWS = this->getProperty("InputWorkspace");
  EventWorkspace_const_sptr inputWS= boost::dynamic_pointer_cast<const EventWorkspace>(matrixInputWS);

  // generate the output workspace pointer
  API::MatrixWorkspace_sptr matrixOutputWS = this->getProperty("OutputWorkspace");
  EventWorkspace_sptr outputWS;
  if (matrixOutputWS == matrixInputWS)
    outputWS = boost::dynamic_pointer_cast<EventWorkspace>(matrixOutputWS);
  else
  {
    //Make a brand new EventWorkspace
    outputWS = boost::dynamic_pointer_cast<EventWorkspace>(
            API::WorkspaceFactory::Instance().create("EventWorkspace", inputWS->getNumberHistograms(), 2, 1));
    //Copy geometry over.
    API::WorkspaceFactory::Instance().initializeFromParent(inputWS, outputWS, false);
    //You need to copy over the data as well.
    outputWS->copyDataFrom( (*inputWS) );

    //Cast to the matrixOutputWS and save it
    matrixOutputWS = boost::dynamic_pointer_cast<MatrixWorkspace>(outputWS);
    this->setProperty("OutputWorkspace", matrixOutputWS);
  }

  const std::string emodeStr = getProperty("EMode");
  double efixedProp = getProperty("EFixed"),efixed;

  if( efixedProp == EMPTY_DBL() )
  {
    if (emodeStr == "Direct")
    {
      // Check if it has been store on the run object for this workspace
      if( this->inputWS->run().hasProperty("Ei"))
      {
        Kernel::Property* eiprop = this->inputWS->run().getProperty("Ei");
        efixedProp = boost::lexical_cast<double>(eiprop->value());
        g_log.debug() << "Using stored Ei value " << efixedProp << "\n";
      }
      else
      {
        throw std::invalid_argument("No Ei value has been set or stored within the run information.");
      }
    }
    else
    {
      // If not specified, will try to get Ef from the parameter file for indirect geometry, 
      // but it will be done for each spectrum separately, in case of different analyzer crystals
    }
  }

  // Get the parameter map
  const ParameterMap& pmap = outputWS->constInstrumentParameters();

  int64_t numHistograms = static_cast<int64_t>(inputWS->getNumberHistograms());
  API::Progress prog = API::Progress(this, 0.0, 1.0, numHistograms);
  PARALLEL_FOR1(outputWS)
  for (int64_t i=0; i < numHistograms; ++i)
  {
    PARALLEL_START_INTERUPT_REGION
    
    double Efi = 0;
    // Now get the detector object for this histogram to check if monitor
    // or to get Ef for indirect geometry
    if (emodeStr == "Indirect") 
    {
      if ( efixedProp != EMPTY_DBL()) Efi = efixedProp;
      else try 
      {
        IDetector_const_sptr det = inputWS->getDetector(i);
        if (!det->isMonitor())
        {
            try
            {
              Parameter_sptr par = pmap.getRecursive(det.get(),"Efixed");
              if (par)
              {
                Efi = par->value<double>();
                g_log.debug() << "Detector: " << det->getID() << " EFixed: " << Efi << "\n";
              }
            }
            catch (std::runtime_error&) { /* Throws if a DetectorGroup, use single provided value */ }
        }

      }
      catch(std::runtime_error&) { g_log.information() << "Workspace Index " << i << ": cannot find detector" << "\n"; }
    }

    if (emodeStr == "Indirect") efixed=Efi;
    else efixed=efixedProp;

    //Do the correction
		EventList *evlist=outputWS->getEventListPtr(i);
    switch (evlist->getEventType())
    {
      case TOF:
        //Switch to weights if needed.
        evlist->switchTo(WEIGHTED);
//.........这里部分代码省略.........