GeometryInfoFactory::GeometryInfoFactory(const MatrixWorkspace &workspace)
: m_workspace(workspace), m_instrument(workspace.getInstrument()) {
// Note: This does not seem possible currently (the instrument objects is
// always allocated, even if it is empty), so this will not fail.
if (!m_instrument)
throw std::runtime_error("Workspace " + workspace.getName() +
" does not contain an instrument!");
}
/**
* Fully masks one component named componentName
* @param ws :: workspace with the respective instrument assigned
* @param componentName :: must be a known CompAssembly.
*/
void CalculateEfficiency::maskComponent(MatrixWorkspace &ws,
const std::string &componentName) {
auto instrument = ws.getInstrument();
try {
boost::shared_ptr<const Geometry::ICompAssembly> component =
boost::dynamic_pointer_cast<const Geometry::ICompAssembly>(
instrument->getComponentByName(componentName));
if (!component) {
g_log.warning("Component " + componentName +
" expected to be a CompAssembly, e.g., a bank. Component " +
componentName + " not masked!");
return;
}
std::vector<detid_t> detectorList;
for (int x = 0; x < component->nelements(); x++) {
boost::shared_ptr<Geometry::ICompAssembly> xColumn =
boost::dynamic_pointer_cast<Geometry::ICompAssembly>((*component)[x]);
for (int y = 0; y < xColumn->nelements(); y++) {
boost::shared_ptr<Geometry::Detector> detector =
boost::dynamic_pointer_cast<Geometry::Detector>((*xColumn)[y]);
if (detector) {
auto detID = detector->getID();
detectorList.push_back(detID);
}
}
}
auto indexList = ws.getIndicesFromDetectorIDs(detectorList);
auto &spectrumInfo = ws.mutableSpectrumInfo();
for (const auto &idx : indexList) {
ws.getSpectrum(idx).clearData();
spectrumInfo.setMasked(idx, true);
}
} catch (std::exception &) {
g_log.warning("Expecting the component " + componentName +
" to be a CompAssembly, e.g., a bank. Component not masked!");
}
}