C++ geometry::Instrument_const_sptr类代码示例

int MaskPeaksWorkspace::findPixelID(std::string bankName, int col, int row) {
  Geometry::Instrument_const_sptr Iptr = m_inputW->getInstrument();
  boost::shared_ptr<const IComponent> parent =
      Iptr->getComponentByName(bankName);
  if (parent->type().compare("RectangularDetector") == 0) {
    boost::shared_ptr<const RectangularDetector> RDet =
        boost::dynamic_pointer_cast<const RectangularDetector>(parent);

    boost::shared_ptr<Detector> pixel = RDet->getAtXY(col, row);
    return pixel->getID();
  } else {
    std::string bankName0 = bankName;
    // Only works for WISH
    bankName0.erase(0, 4);
    std::ostringstream pixelString;
    pixelString << Iptr->getName() << "/" << bankName0 << "/" << bankName
                << "/tube" << std::setw(3) << std::setfill('0') << col
                << "/pixel" << std::setw(4) << std::setfill('0') << row;
    boost::shared_ptr<const Geometry::IComponent> component =
        Iptr->getComponentByName(pixelString.str());
    boost::shared_ptr<const Detector> pixel =
        boost::dynamic_pointer_cast<const Detector>(component);
    return pixel->getID();
  }
}

Peak PeakHKLErrors::createNewPeak(const Geometry::IPeak &peak_old,
                                  Geometry::Instrument_sptr instrNew, double T0,
                                  double L0) {
  Geometry::Instrument_const_sptr inst = peak_old.getInstrument();
  if (inst->getComponentID() != instrNew->getComponentID()) {
    g_log.error("All peaks must have the same instrument");
    throw std::invalid_argument("All peaks must have the same instrument");
  }

  double T = peak_old.getTOF() + T0;

  int ID = peak_old.getDetectorID();

  Kernel::V3D hkl = peak_old.getHKL();
  // peak_old.setDetectorID(ID); //set det positions
  Peak peak(instrNew, ID, peak_old.getWavelength(), hkl,
            peak_old.getGoniometerMatrix());

  Wavelength wl;

  wl.initialize(L0, peak.getL2(), peak.getScattering(), 0,
                peak_old.getInitialEnergy(), 0.0);

  peak.setWavelength(wl.singleFromTOF(T));
  peak.setIntensity(peak_old.getIntensity());
  peak.setSigmaIntensity(peak_old.getSigmaIntensity());
  peak.setRunNumber(peak_old.getRunNumber());
  peak.setBinCount(peak_old.getBinCount());

  //!!!peak.setDetectorID(ID);
  return peak;
}

/**
 * Apply any instrument adjustments from the file
 * @param filename :: The file to take the positions
 */
void CreateSimulationWorkspace::adjustInstrument(const std::string &filename) {
  // If requested update the instrument to positions in the raw file
  const Geometry::ParameterMap &pmap = m_outputWS->instrumentParameters();
  Geometry::Instrument_const_sptr instrument = m_outputWS->getInstrument();
  boost::shared_ptr<Geometry::Parameter> updateDets =
      pmap.get(instrument->getComponentID(), "det-pos-source");
  if (!updateDets)
    return; // No tag, use IDF

  std::string value = updateDets->value<std::string>();
  if (value.substr(0, 8) == "datafile") {
    IAlgorithm_sptr updateInst =
        createChildAlgorithm("UpdateInstrumentFromFile", 0.75, 1.0);
    updateInst->setProperty<MatrixWorkspace_sptr>("Workspace", m_outputWS);
    updateInst->setPropertyValue("Filename", filename);
    if (value == "datafile-ignore-phi") {
      updateInst->setProperty("IgnorePhi", true);
      g_log.information("Detector positions in IDF updated with positions in "
                        "the data file except for the phi values");
    } else {
      g_log.information(
          "Detector positions in IDF updated with positions in the data file");
    }
    // We want this to throw if it fails to warn the user that the information
    // is not correct.
    updateInst->execute();
  }
}

/**
 * Get position in space of a componentName
 */
V3D LoadILLSANS::getComponentPosition(const std::string &componentName) {
  Geometry::Instrument_const_sptr instrument =
      m_localWorkspace->getInstrument();
  Geometry::IComponent_const_sptr component =
      instrument->getComponentByName(componentName);
  return component->getPos();
}

void LoadILLIndirect::moveComponent(const std::string &componentName,
                                    double twoTheta, double offSet) {

  try {

    Geometry::Instrument_const_sptr instrument =
        m_localWorkspace->getInstrument();
    Geometry::IComponent_const_sptr component =
        instrument->getComponentByName(componentName);

    double r, theta, phi, newTheta, newR;
    V3D oldPos = component->getPos();
    oldPos.getSpherical(r, theta, phi);

    newTheta = twoTheta;
    newR = offSet;

    V3D newPos;
    newPos.spherical(newR, newTheta, phi);

    // g_log.debug() << tube->getName() << " : t = " << theta << " ==> t = " <<
    // newTheta << "\n";
    Geometry::ParameterMap &pmap = m_localWorkspace->instrumentParameters();
    Geometry::ComponentHelper::moveComponent(
        *component, pmap, newPos, Geometry::ComponentHelper::Absolute);

  } catch (Mantid::Kernel::Exception::NotFoundError &) {
    throw std::runtime_error("Error when trying to move the " + componentName +
                             " : NotFoundError");
  } catch (std::runtime_error &) {
    throw std::runtime_error("Error when trying to move the " + componentName +
                             " : runtime_error");
  }
}

/** Convert bank to detectors
* This routine has never been used. Dead code.
* @param   singlebanks -- vector of string containing bank names
* @param  detectors   -- vector of detector-id-s belonging to these banks
 */
void LoadMask::bankToDetectors(const std::vector<std::string> &singlebanks,
                               std::vector<detid_t> &detectors) {
  std::stringstream infoss;
  infoss << "Bank IDs to be converted to detectors: \n";
  for (auto &singlebank : singlebanks) {
    infoss << "Bank: " << singlebank << '\n';
  }
  g_log.debug(infoss.str());

  Geometry::Instrument_const_sptr minstrument = m_maskWS->getInstrument();

  for (auto &singlebank : singlebanks) {
    std::vector<Geometry::IDetector_const_sptr> idetectors;

    minstrument->getDetectorsInBank(idetectors, singlebank);
    g_log.debug() << "Bank: " << singlebank << " has " << idetectors.size()
                  << " detectors\n";

    // a) get information
    size_t numdets = idetectors.size();
    detid_t detid_first = idetectors.front()->getID();
    detid_t detid_last = idetectors.back()->getID();

    // b) set detectors

    for (const auto &det : idetectors) {
      detid_t detid = det->getID();
      detectors.push_back(detid);
    }
    g_log.debug() << "Number of Detectors in Bank  " << singlebank
                  << "  is: " << numdets << "\nRange From: " << detid_first
                  << " To: " << detid_last << '\n';

  } // ENDFOR
}

bool CentroidPeaks::edgePixel(std::string bankName, int col, int row,
                              int Edge) {
    if (bankName.compare("None") == 0)
        return false;
    Geometry::Instrument_const_sptr Iptr = inWS->getInstrument();
    boost::shared_ptr<const IComponent> parent =
        Iptr->getComponentByName(bankName);
    if (parent->type().compare("RectangularDetector") == 0) {
        boost::shared_ptr<const RectangularDetector> RDet =
            boost::dynamic_pointer_cast<const RectangularDetector>(parent);

        return col < Edge || col >= (RDet->xpixels() - Edge) || row < Edge ||
               row >= (RDet->ypixels() - Edge);
    } else {
        std::vector<Geometry::IComponent_const_sptr> children;
        boost::shared_ptr<const Geometry::ICompAssembly> asmb =
            boost::dynamic_pointer_cast<const Geometry::ICompAssembly>(parent);
        asmb->getChildren(children, false);
        boost::shared_ptr<const Geometry::ICompAssembly> asmb2 =
            boost::dynamic_pointer_cast<const Geometry::ICompAssembly>(children[0]);
        std::vector<Geometry::IComponent_const_sptr> grandchildren;
        asmb2->getChildren(grandchildren, false);
        int NROWS = static_cast<int>(grandchildren.size());
        int NCOLS = static_cast<int>(children.size());
        // Wish pixels and tubes start at 1 not 0
        return col - 1 < Edge || col - 1 >= (NCOLS - Edge) || row - 1 < Edge ||
               row - 1 >= (NROWS - Edge);
    }
    return false;
}

 double LoadHelper::getL1(const API::MatrixWorkspace_sptr& workspace)
 {
   Geometry::Instrument_const_sptr instrument = workspace->getInstrument();
   Geometry::IComponent_const_sptr sample = instrument->getSample();
   double l1 = instrument->getSource()->getDistance(*sample);
   return l1;
 }

/** Retrieves the detector postion for a given spectrum
 *  @param index ::    The workspace index of the spectrum
 *  @param l1 ::       Returns the source-sample distance
 *  @param l2 ::       Returns the sample-detector distance
 *  @param twoTheta :: Returns the detector's scattering angle
 */
void RemoveBins::calculateDetectorPosition(const int& index, double& l1, double& l2, double& twoTheta)
{
  // Get a pointer to the instrument contained in the workspace
  Geometry::Instrument_const_sptr instrument = m_inputWorkspace->getInstrument();
  // Get the distance between the source and the sample (assume in metres)
  Geometry::IObjComponent_const_sptr sample = instrument->getSample();
  // Check for valid instrument
  if (sample == NULL)
  {
    throw Exception::InstrumentDefinitionError("Instrument not sufficiently defined: failed to get sample");
  }

  l1 = instrument->getSource()->getDistance(*sample);
  Geometry::IDetector_const_sptr det = m_inputWorkspace->getDetector(index);
  // Get the sample-detector distance for this detector (in metres)
  if ( ! det->isMonitor() )
  {
    l2 = det->getDistance(*sample);
    // The scattering angle for this detector (in radians).
    twoTheta = m_inputWorkspace->detectorTwoTheta(det);
  }
  else  // If this is a monitor then make l1+l2 = source-detector distance and twoTheta=0
  {
    l2 = det->getDistance(*(instrument->getSource()));
    l2 = l2 - l1;
    twoTheta = 0.0;
  }
  g_log.debug() << "Detector for index " << index << " has L1+L2=" << l1+l2 << " & 2theta= " << twoTheta << std::endl;
  return;
}

    /** This function will check how to group spectra when calculating median
     *
     *
     */
    std::vector<std::vector<size_t> > DetectorDiagnostic::makeMap(API::MatrixWorkspace_sptr countsWS)
    {
      std::multimap<Mantid::Geometry::ComponentID,size_t> mymap;

      Geometry::Instrument_const_sptr instrument = countsWS->getInstrument();
      if (m_parents==0)
      {
        return makeInstrumentMap(countsWS);
      }
      if (!instrument)
      {
        g_log.warning("Workspace has no instrument. LevelsUP is ignored");
        return makeInstrumentMap(countsWS);
      }

      //check if not grouped. If grouped, it will throw
      if ( countsWS->hasGroupedDetectors() )
      {
        throw std::runtime_error("Median detector test: not able to create detector to spectra map. Try with LevelUp=0.");
      }

      for(size_t i=0;i < countsWS->getNumberHistograms();i++)
      {
        detid_t d=(*((countsWS->getSpectrum(i))->getDetectorIDs().begin()));
        std::vector<boost::shared_ptr<const Mantid::Geometry::IComponent> > anc=instrument->getDetector(d)->getAncestors();
        //std::vector<boost::shared_ptr<const IComponent> > anc=(*(countsWS->getSpectrum(i)->getDetectorIDs().begin()))->getAncestors();
        if (anc.size()<static_cast<size_t>(m_parents))
        {
          g_log.warning("Too many levels up. Will ignore LevelsUp");
          m_parents=0;
          return makeInstrumentMap(countsWS);
        }
        mymap.insert(std::pair<Mantid::Geometry::ComponentID,size_t>(anc[m_parents-1]->getComponentID(),i));
      }

      std::vector<std::vector<size_t> > speclist;
      std::vector<size_t>  speclistsingle;

      std::multimap<Mantid::Geometry::ComponentID,size_t>::iterator m_it, s_it;

      for (m_it = mymap.begin();  m_it != mymap.end();  m_it = s_it)
      {
        Mantid::Geometry::ComponentID theKey = (*m_it).first;

        std::pair<std::multimap<Mantid::Geometry::ComponentID,size_t>::iterator,std::multimap<Mantid::Geometry::ComponentID,size_t>::iterator> keyRange = mymap.equal_range(theKey);

        // Iterate over all map elements with key == theKey
        speclistsingle.clear();
        for (s_it = keyRange.first;  s_it != keyRange.second;  ++s_it)
        {
          speclistsingle.push_back( (*s_it).second );
        }
        speclist.push_back(speclistsingle);
      }

      return speclist;
    }

// read the monitors list from the workspace and try to do it once for any
// particular ws;
bool MonIDPropChanger::monitorIdReader(
    API::MatrixWorkspace_const_sptr inputWS) const {
  // no workspace
  if (!inputWS)
    return false;

  // no instrument
  Geometry::Instrument_const_sptr pInstr = inputWS->getInstrument();
  if (!pInstr)
    return false;

  std::vector<detid_t> mon = pInstr->getMonitors();
  if (mon.empty()) {
    if (iExistingAllowedValues.empty()) {
      return false;
    } else {
      iExistingAllowedValues.clear();
      return true;
    }
  }
  // are these monitors really there?
  // got the index of correspondent spectra.
  std::vector<size_t> indexList = inputWS->getIndicesFromDetectorIDs(mon);
  if (indexList.empty()) {
    if (iExistingAllowedValues.empty()) {
      return false;
    } else {
      iExistingAllowedValues.clear();
      return true;
    }
  }
  // index list can be less or equal to the mon list size (some monitors do not
  // have spectra)
  size_t mon_count =
      (mon.size() < indexList.size()) ? mon.size() : indexList.size();
  std::vector<int> allowed_values(mon_count);
  for (size_t i = 0; i < mon_count; i++) {
    allowed_values[i] = mon[i];
  }

  // are known values the same as the values we have just identified?
  if (iExistingAllowedValues.size() != mon_count) {
    iExistingAllowedValues.clear();
    iExistingAllowedValues.assign(allowed_values.begin(), allowed_values.end());
    return true;
  }
  // the monitor list has the same size as before. Is it equivalent to the
  // existing one?
  bool values_redefined = false;
  for (size_t i = 0; i < mon_count; i++) {
    if (iExistingAllowedValues[i] != allowed_values[i]) {
      values_redefined = true;
      iExistingAllowedValues[i] = allowed_values[i];
    }
  }
  return values_redefined;
}

// read the monitors list from the workspace and try to do it once for any
// particular ws;
bool MonIDPropChanger::monitorIdReader(
    MatrixWorkspace_const_sptr inputWS) const {
  // no workspace
  if (!inputWS)
    return false;

  // no instrument
  Geometry::Instrument_const_sptr pInstr = inputWS->getInstrument();
  if (!pInstr)
    return false;

  // are these monitors really there?
  std::vector<detid_t> monitorIDList = pInstr->getMonitors();
  {
    const auto &specInfo = inputWS->spectrumInfo();
    std::set<detid_t> idsInWorkspace;
    size_t i = 0;
    // Loop over spectra, but finish early if we find everything
    while (i < specInfo.size() &&
           idsInWorkspace.size() < monitorIDList.size()) {
      if (specInfo.isMonitor(i))
        idsInWorkspace.insert(specInfo.detector(i).getID());
      ++i;
    }
    monitorIDList =
        std::vector<detid_t>(idsInWorkspace.begin(), idsInWorkspace.end());
  }

  if (monitorIDList.empty()) {
    if (iExistingAllowedValues.empty()) {
      return false;
    } else {
      iExistingAllowedValues.clear();
      return true;
    }
  }

  // are known values the same as the values we have just identified?
  if (iExistingAllowedValues.size() != monitorIDList.size()) {
    iExistingAllowedValues.clear();
    iExistingAllowedValues.assign(monitorIDList.begin(), monitorIDList.end());
    return true;
  }
  // the monitor list has the same size as before. Is it equivalent to the
  // existing one?
  bool values_redefined = false;
  for (size_t i = 0; i < monitorIDList.size(); i++) {
    if (iExistingAllowedValues[i] != monitorIDList[i]) {
      values_redefined = true;
      iExistingAllowedValues[i] = monitorIDList[i];
    }
  }
  return values_redefined;
}

/**
 * Setup a detector cache for randomly picking IDs from the first
 * instrument in the ExperimentInfo list.
 * @param ws :: The input workspace
 */
void FakeMDEventData::setupDetectorCache(const API::IMDEventWorkspace &ws) {
  try {
    Geometry::Instrument_const_sptr inst =
        ws.getExperimentInfo(0)->getInstrument();
    m_detIDs = inst->getDetectorIDs(true); // true=skip monitors
    size_t max = m_detIDs.size() - 1;
    m_uniformDist = boost::uniform_int<size_t>(0, max); // Includes max
  } catch (std::invalid_argument &) {
    g_log.information("Cannot retrieve instrument from input workspace, "
                      "detector information will be garbage.");
  }
}

 V3D LoadHelper::getComponentPosition(API::MatrixWorkspace_sptr ws, const std::string &componentName)
 {
   try
   {
     Geometry::Instrument_const_sptr instrument = ws->getInstrument();
     Geometry::IComponent_const_sptr component = instrument->getComponentByName(componentName);
     V3D pos = component->getPos();
     return pos;
   } catch (Mantid::Kernel::Exception::NotFoundError&)
   {
     throw std::runtime_error("Error when trying to move the " + componentName + " : NotFoundError");
   }
 }

/** Extract a component's detectors and return it within detectors array
 *  It is a generalized version of bankToDetectors()
 *
 * @param componentnames -- vector of component names to process
 * @param detectors      -- vector of detector ids, which belongs to components
 *provided as input.
 */
void LoadMask::componentToDetectors(
    const std::vector<std::string> &componentnames,
    std::vector<detid_t> &detectors) {
  Geometry::Instrument_const_sptr minstrument = m_maskWS->getInstrument();

  for (auto &componentname : componentnames) {
    g_log.debug() << "Component name = " << componentname << '\n';

    // a) get component
    Geometry::IComponent_const_sptr component =
        minstrument->getComponentByName(componentname);
    if (component)
      g_log.debug() << "Component ID = " << component->getComponentID() << '\n';
    else {
      // A non-exiting component.  Ignore
      g_log.warning() << "Component " << componentname << " does not exist!\n";
      continue;
    }

    // b) component -> component assembly --> children (more than detectors)
    boost::shared_ptr<const Geometry::ICompAssembly> asmb =
        boost::dynamic_pointer_cast<const Geometry::ICompAssembly>(component);
    std::vector<Geometry::IComponent_const_sptr> children;
    asmb->getChildren(children, true);

    g_log.debug() << "Number of Children = " << children.size() << '\n';

    size_t numdets(0);
    detid_t id_min(std::numeric_limits<Mantid::detid_t>::max());
    detid_t id_max(0);

    for (const auto &child : children) {
      // c) convert component to detector
      Geometry::IDetector_const_sptr det =
          boost::dynamic_pointer_cast<const Geometry::IDetector>(child);

      if (det) {
        detid_t detid = det->getID();
        detectors.push_back(detid);
        numdets++;
        if (detid < id_min)
          id_min = detid;
        if (detid > id_max)
          id_max = detid;
      }
    }

    g_log.debug() << "Number of Detectors in Children = " << numdets
                  << "  Range = " << id_min << ", " << id_max << '\n';
  } // for component
}