Esempio n. 1
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void Elwin::setDefaultSampleLog(Mantid::API::MatrixWorkspace_const_sptr ws) {
  auto inst = ws->getInstrument();
  // Set sample environment log name
  auto log = inst->getStringParameter("Workflow.SE-log");
  QString logName("sample");
  if (log.size() > 0) {
    logName = QString::fromStdString(log[0]);
  }
  m_uiForm.leLogName->setText(logName);
  // Set sample environment log value
  auto logval = inst->getStringParameter("Workflow.SE-log-value");
  if (logval.size() > 0) {
    auto logValue = QString::fromStdString(logval[0]);
    int index = m_uiForm.leLogValue->findText(logValue);
    if (index >= 0) {
      m_uiForm.leLogValue->setCurrentIndex(index);
    }
  }
}
Esempio n. 2
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/**
 * Checks the workspace's intrument for a resolution parameter to use as
 * a default for the energy range on the mini plot
 *
 * @param ws :: Pointer to the workspace to use
 * @param res :: The retrieved values for the resolution parameter (if one was
 *found)
 */
bool IndirectTab::getResolutionRangeFromWs(
    Mantid::API::MatrixWorkspace_const_sptr ws, QPair<double, double> &res) {
  auto inst = ws->getInstrument();
  auto analyser = inst->getStringParameter("analyser");

  if (analyser.size() > 0) {
    auto comp = inst->getComponentByName(analyser[0]);
    if (comp) {
      auto params = comp->getNumberParameter("resolution", true);

      // set the default instrument resolution
      if (params.size() > 0) {
        res = qMakePair(-params[0], params[0]);
        return true;
      }
    }
  }

  return false;
}
Esempio n. 3
0
  void Elwin::setDefaultResolution(Mantid::API::MatrixWorkspace_const_sptr ws)
  {
    auto inst = ws->getInstrument();
    auto analyser = inst->getStringParameter("analyser");

    if(analyser.size() > 0)
    {
      auto comp = inst->getComponentByName(analyser[0]);
      auto params = comp->getNumberParameter("resolution", true);

      //set the default instrument resolution
      if(params.size() > 0)
      {
        double res = params[0];
        m_dblManager->setValue(m_properties["IntegrationStart"], -res);
        m_dblManager->setValue(m_properties["IntegrationEnd"], res);

        m_dblManager->setValue(m_properties["BackgroundStart"], -10*res);
        m_dblManager->setValue(m_properties["BackgroundEnd"], -9*res);
      }
    }
  }
Esempio n. 4
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    /**The method responsible for analyzing input workspace parameters and preprocessing detectors positions into reciprocal space
    *
    * @param InWS2D -- input Matrix workspace with defined instrument
    * @param dEModeRequested -- energy conversion mode (direct/indirect/elastic)
    * @param updateMasks  --  if full detector positions calculations or just update masking requested
    * @param OutWSName    -- the name for the preprocessed detectors workspace to have in the analysis data service
    * 
    * @return          shared pointer to the workspace with preprocessed detectors information. 
    */
    DataObjects::TableWorkspace_const_sptr ConvertToMDParent::preprocessDetectorsPositions( Mantid::API::MatrixWorkspace_const_sptr InWS2D,const std::string &dEModeRequested,
      bool updateMasks, const std::string & OutWSName)
    {

      DataObjects::TableWorkspace_sptr TargTableWS;
      Kernel::DeltaEMode::Type Emode;

      // Do we need to reuse output workspace
      bool storeInDataService(true);
      std::string tOutWSName(OutWSName);
      if(tOutWSName=="-"||tOutWSName.empty()) // TargTableWS is recalculated each time;
      {
        storeInDataService = false;
        tOutWSName = "ServiceTableWS";  // TODO: should be hidden?
      }
      else
      {
        storeInDataService = true;
      }

      // if output workspace exists in dataservice, we may try to use it
      if(storeInDataService && API::AnalysisDataService::Instance().doesExist(tOutWSName) ) 
      {
        TargTableWS = API::AnalysisDataService::Instance().retrieveWS<DataObjects::TableWorkspace>(tOutWSName);
        // get number of all histograms (may be masked or invalid)
        size_t nHist = InWS2D->getNumberHistograms();
        size_t nDetMap=TargTableWS->rowCount();
        if(nHist==nDetMap)
        {
          // let's take at least some precaution to ensure that instrument have not changed
          std::string currentWSInstrumentName = InWS2D->getInstrument()->getName();
          std::string oldInstrName            = TargTableWS->getLogs()->getPropertyValueAsType<std::string>("InstrumentName");

          if(oldInstrName==currentWSInstrumentName)
          { 
            if(!updateMasks) return TargTableWS;
            //Target workspace with preprocessed detectors exists and seems is correct one. 
            // We still need to update masked detectors information
            TargTableWS = this->runPreprocessDetectorsToMDChildUpdatingMasks(InWS2D,tOutWSName,dEModeRequested,Emode);
            return TargTableWS;
          }
        }
        else // there is a workspace in the data service with the same name but this ws is not suitable as target for this algorithm. 
        {    // Should delete this WS from the dataservice
          API::AnalysisDataService::Instance().remove(tOutWSName);
        }
      }
      // No result found in analysis data service or the result is unsatisfactory. Try to calculate target workspace.  

      TargTableWS =this->runPreprocessDetectorsToMDChildUpdatingMasks(InWS2D,tOutWSName,dEModeRequested,Emode);

      if(storeInDataService)
        API::AnalysisDataService::Instance().addOrReplace(tOutWSName,TargTableWS);
      //    else
      //      TargTableWS->setName(OutWSName);


      // check if we got what we wanted:

      // in direct or indirect mode input ws has to have input energy
      if(Emode==Kernel::DeltaEMode::Direct||Emode==Kernel::DeltaEMode::Indirect)
      {
        double   m_Ei  = TargTableWS->getLogs()->getPropertyValueAsType<double>("Ei");
        if(isNaN(m_Ei))
        {
          // Direct mode needs Ei
          if(Emode==Kernel::DeltaEMode::Direct)throw(std::invalid_argument("Input neutron's energy has to be defined in inelastic mode "));

          // Do we have at least something for Indirect?
          float *eFixed = TargTableWS->getColDataArray<float>("eFixed");
          if(!eFixed)
            throw(std::invalid_argument("Input neutron's energy has to be defined in inelastic mode "));

          uint32_t NDetectors = TargTableWS->getLogs()->getPropertyValueAsType<uint32_t>("ActualDetectorsNum");
          for(uint32_t i=0;i<NDetectors;i++)
            if(isNaN(*(eFixed+i)))throw(std::invalid_argument("Undefined eFixed energy for detector N: "+boost::lexical_cast<std::string>(i)));
        }
      }

      return TargTableWS;
    }