/** Method updates the column, which describes if current detector/spectra is
   masked
    It is used if one tries to process multiple workspaces obtained from a
   series of experiments  where the masked detectors can change */
void PreprocessDetectorsToMD::updateMasksState(
    const API::MatrixWorkspace_const_sptr &inputWS,
    DataObjects::TableWorkspace_sptr &targWS) {
  int *pMasksArray = targWS->getColDataArray<int>("detMask");
  if (!pMasksArray)
    throw std::invalid_argument(
        "target workspace " + targWS->getName() +
        " does not have defined masks column to update");

  size_t nHist = targWS->rowCount();
  const size_t nRows = inputWS->getNumberHistograms();
  if (nHist != nRows)
    throw std::invalid_argument(
        " source workspace " + inputWS->getName() + " and target workspace " +
        targWS->getName() +
        " are inconsistent as have different numner of detectors");

  uint32_t liveDetectorsCount(0);
  const auto &spectrumInfo = inputWS->spectrumInfo();
  for (size_t i = 0; i < nHist; i++) {
    if (!spectrumInfo.hasDetectors(i) || spectrumInfo.isMonitor(i))
      continue;

    // if masked detectors state is not used, masked detectors just ignored;
    bool maskDetector = spectrumInfo.isMasked(i);
    *(pMasksArray + liveDetectorsCount) = maskDetector ? 1 : 0;

    liveDetectorsCount++;
  }
}
Example #2
0
/** Method updates the column, which describes if current detector/spectra is
   masked
    It is used if one tries to process multiple workspaces obtained from a
   series of experiments  where the masked detectors can change */
void PreprocessDetectorsToMD::updateMasksState(
    const API::MatrixWorkspace_const_sptr &inputWS,
    DataObjects::TableWorkspace_sptr &targWS) {
  int *pMasksArray = targWS->getColDataArray<int>("detMask");
  if (!pMasksArray)
    throw std::invalid_argument(
        "target workspace " + targWS->getName() +
        " does not have defined masks column to update");

  size_t nHist = targWS->rowCount();
  const size_t nRows = inputWS->getNumberHistograms();
  if (nHist != nRows)
    throw std::invalid_argument(
        " source workspace " + inputWS->getName() + " and target workspace " +
        targWS->getName() +
        " are inconsistent as have different numner of detectors");

  uint32_t liveDetectorsCount(0);
  for (size_t i = 0; i < nHist; i++) {
    // get detector or detector group which corresponds to the spectra i
    Geometry::IDetector_const_sptr spDet;
    try {
      spDet = inputWS->getDetector(i);
    } catch (Kernel::Exception::NotFoundError &) {
      continue;
    }

    // Check that we aren't dealing with monitor...
    if (spDet->isMonitor())
      continue;

    // if masked detectors state is not used, masked detectors just ignored;
    bool maskDetector = spDet->isMasked();
    *(pMasksArray + liveDetectorsCount) = maskDetector ? 1 : 0;

    liveDetectorsCount++;
  }
}