/** Method calculates averaged polar coordinates of the detector's group
(which may consist of one detector)
*@param spDet -- shared pointer to the Mantid Detector
*@param Observer -- sample position or the centre of the polar system of
coordinates to calculate detector's parameters.
*@param Detector -- return Detector class containing averaged polar coordinates
of the detector or detector's group in
spherical coordinate system with centre at Observer
*/
void FindDetectorsPar::calcDetPar(const Geometry::IDetector_const_sptr &spDet,
const Kernel::V3D &Observer,
DetParameters &Detector) {
// get number of basic detectors within the composit detector
size_t nDetectors = spDet->nDets();
// define summator
AvrgDetector detSum;
// do we want spherical or linear box sizes?
detSum.setUseSpherical(!m_SizesAreLinear);
if (nDetectors == 1) {
detSum.addDetInfo(spDet, Observer);
} else {
// access contributing detectors;
Geometry::DetectorGroup_const_sptr spDetGroup =
boost::dynamic_pointer_cast<const Geometry::DetectorGroup>(spDet);
if (!spDetGroup) {
g_log.error() << "calc_cylDetPar: can not downcast IDetector_sptr to "
"detector group for det->ID: " << spDet->getID()
<< std::endl;
throw(std::bad_cast());
}
auto detectors = spDetGroup->getDetectors();
auto it = detectors.begin();
auto it_end = detectors.end();
for (; it != it_end; it++) {
detSum.addDetInfo(*it, Observer);
}
}
// calculate averages and return the detector parameters
detSum.returnAvrgDetPar(Detector);
}
int LoadIsawPeaks::findPixelID(Instrument_const_sptr inst, std::string bankName, int col, int row)
{
boost::shared_ptr<const IComponent> parent = inst->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::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);
int col0 = (col%2==0 ? col/2+75 : (col-1)/2);
boost::shared_ptr<const Geometry::ICompAssembly> asmb2 = boost::dynamic_pointer_cast<const Geometry::ICompAssembly>(children[col0]);
std::vector<Geometry::IComponent_const_sptr> grandchildren;
asmb2->getChildren(grandchildren,false);
Geometry::IComponent_const_sptr first = grandchildren[row-1];
Geometry::IDetector_const_sptr det = boost::dynamic_pointer_cast<const Geometry::IDetector>(first);
return det->getID();
}
}
/** Purpose: Process mask workspace
* Requirement: m_maskWS is not None
* Guarantees: an array will be set up for masked detectors
* @brief IntegratePeaksCWSD::processMaskWorkspace
* @param maskws
*/
std::vector<detid_t> IntegratePeaksCWSD::processMaskWorkspace(
DataObjects::MaskWorkspace_const_sptr maskws) {
std::vector<detid_t> vecMaskedDetID;
// Add the detector IDs of all masked detector to a vector
size_t numspec = maskws->getNumberHistograms();
for (size_t iws = 0; iws < numspec; ++iws) {
Geometry::IDetector_const_sptr detector = maskws->getDetector(iws);
const MantidVec &vecY = maskws->readY(iws);
if (vecY[0] > 0.1) {
// vecY[] > 0 is masked. det->isMasked() may not be reliable.
detid_t detid = detector->getID();
vecMaskedDetID.push_back(detid);
}
}
// Sort the vector for future lookup
if (vecMaskedDetID.size() > 1)
std::sort(vecMaskedDetID.begin(), vecMaskedDetID.end());
g_log.warning() << "[DB] There are " << vecMaskedDetID.size()
<< " detectors masked."
<< "\n";
return vecMaskedDetID;
}
/** 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
}
/// helper function to preprocess the detectors directions
void
ConvertToQ3DdE::process_detectors_positions(const DataObjects::Workspace2D_const_sptr inputWS)
{
const size_t nHist = inputWS->getNumberHistograms();
det_loc.det_dir.resize(nHist);
det_loc.det_id.resize(nHist);
// Loop over the spectra
size_t ic(0);
for (size_t i = 0; i < nHist; 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;
det_loc.det_id[ic] = spDet->getID();
// dist = spDet->getDistance(*sample);
double polar = inputWS->detectorTwoTheta(spDet);
double azim = spDet->getPhi();
double sPhi=sin(polar);
double ez = cos(polar);
double ex = sPhi*cos(azim);
double ey = sPhi*sin(azim);
det_loc.det_dir[ic].setX(ex);
det_loc.det_dir[ic].setY(ey);
det_loc.det_dir[ic].setZ(ez);
ic++;
}
//
if(ic<nHist){
det_loc.det_dir.resize(ic);
det_loc.det_id.resize(ic);
}
}
std::pair<double, double> LoadILLSANS::calculateQMaxQMin() {
double min = std::numeric_limits<double>::max(),
max = std::numeric_limits<double>::min();
g_log.debug("Calculating Qmin Qmax...");
std::size_t nHist = m_localWorkspace->getNumberHistograms();
for (std::size_t i = 0; i < nHist; ++i) {
Geometry::IDetector_const_sptr det = m_localWorkspace->getDetector(i);
if (!det->isMonitor()) {
const MantidVec &lambdaBinning = m_localWorkspace->readX(i);
Kernel::V3D detPos = det->getPos();
double r, theta, phi;
detPos.getSpherical(r, theta, phi);
double v1 = calculateQ(*(lambdaBinning.begin()), theta);
double v2 = calculateQ(*(lambdaBinning.end() - 1), theta);
// std::cout << "i=" << i << " theta="<<theta << " lambda_i=" <<
// *(lambdaBinning.begin()) << " lambda_f=" << *(lambdaBinning.end()-1) <<
// " v1=" << v1 << " v2=" << v2 << '\n';
if (i == 0) {
min = v1;
max = v1;
}
if (v1 < min) {
min = v1;
}
if (v2 < min) {
min = v2;
}
if (v1 > max) {
max = v1;
}
if (v2 > max) {
max = v2;
}
} else
g_log.debug() << "Detector " << i << " is a Monitor : " << det->getID()
<< '\n';
}
g_log.debug() << "Calculating Qmin Qmax. Done : [" << min << "," << max
<< "]\n";
return std::pair<double, double>(min, max);
}
/*
* Convert Componenet -> Detector IDs -> Workspace Indices -> set group ID
*/
void LoadDetectorsGroupingFile::setByComponents() {
// 0. Check
if (!m_instrument) {
std::map<int, std::vector<std::string>>::iterator mapiter;
bool norecord = true;
for (mapiter = m_groupComponentsMap.begin();
mapiter != m_groupComponentsMap.end(); ++mapiter) {
if (mapiter->second.size() > 0) {
g_log.error() << "Instrument is not specified in XML file. "
<< "But tag 'component' is used in XML file for Group "
<< mapiter->first << " It is not allowed" << std::endl;
norecord = false;
break;
}
}
if (!norecord)
throw std::invalid_argument(
"XML definition involving component causes error");
}
// 1. Prepare
const detid2index_map indexmap =
m_groupWS->getDetectorIDToWorkspaceIndexMap(true);
// 2. Set
for (auto &componentMap : m_groupComponentsMap) {
g_log.debug() << "Group ID = " << componentMap.first << " With "
<< componentMap.second.size() << " Components" << std::endl;
for (auto &name : componentMap.second) {
// a) get component
Geometry::IComponent_const_sptr component =
m_instrument->getComponentByName(name);
// 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() << "Component Name = " << name
<< " Component ID = " << component->getComponentID()
<< "Number of Children = " << children.size() << std::endl;
for (auto child : children) {
// c) convert component to detector
Geometry::IDetector_const_sptr det =
boost::dynamic_pointer_cast<const Geometry::IDetector>(child);
if (det) {
// Component is DETECTOR:
int32_t detid = det->getID();
auto itx = indexmap.find(detid);
if (itx != indexmap.end()) {
size_t wsindex = itx->second;
m_groupWS->dataY(wsindex)[0] = componentMap.first;
} else {
g_log.error() << "Pixel w/ ID = " << detid << " Cannot Be Located"
<< std::endl;
}
} // ENDIF Detector
} // ENDFOR (children of component)
} // ENDFOR (component)
} // ENDFOR GroupID
return;
}
/** method does preliminary calculations of the detectors positions to convert
results into k-dE space ;
and places the results into static cash to be used in subsequent calls to this
algorithm */
void PreprocessDetectorsToMD::processDetectorsPositions(
const API::MatrixWorkspace_const_sptr &inputWS,
DataObjects::TableWorkspace_sptr &targWS) {
g_log.information()
<< "Preprocessing detector locations in a target reciprocal space\n";
//
Geometry::Instrument_const_sptr instrument = inputWS->getInstrument();
// this->pBaseInstr = instrument->baseInstrument();
//
Geometry::IComponent_const_sptr source = instrument->getSource();
Geometry::IComponent_const_sptr sample = instrument->getSample();
if ((!source) || (!sample)) {
g_log.error() << " Instrument is not fully defined. Can not identify "
"source or sample\n";
throw Kernel::Exception::InstrumentDefinitionError(
"Instrument not sufficiently defined: failed to get source and/or "
"sample");
}
// L1
try {
double L1 = source->getDistance(*sample);
targWS->logs()->addProperty<double>("L1", L1, true);
g_log.debug() << "Source-sample distance: " << L1 << std::endl;
} catch (Kernel::Exception::NotFoundError &) {
throw Kernel::Exception::InstrumentDefinitionError(
"Unable to calculate source-sample distance for workspace",
inputWS->getTitle());
}
// Instrument name
std::string InstrName = instrument->getName();
targWS->logs()->addProperty<std::string>(
"InstrumentName", InstrName,
true); // "The name which should unique identify current instrument");
targWS->logs()->addProperty<bool>("FakeDetectors", false, true);
// get access to the workspace memory
auto &sp2detMap = targWS->getColVector<size_t>("spec2detMap");
auto &detId = targWS->getColVector<int32_t>("DetectorID");
auto &detIDMap = targWS->getColVector<size_t>("detIDMap");
auto &L2 = targWS->getColVector<double>("L2");
auto &TwoTheta = targWS->getColVector<double>("TwoTheta");
auto &Azimuthal = targWS->getColVector<double>("Azimuthal");
auto &detDir = targWS->getColVector<Kernel::V3D>("DetDirections");
// Efixed; do we need one and does one exist?
double Efi = targWS->getLogs()->getPropertyValueAsType<double>("Ei");
float *pEfixedArray(nullptr);
const Geometry::ParameterMap &pmap = inputWS->constInstrumentParameters();
if (m_getEFixed)
pEfixedArray = targWS->getColDataArray<float>("eFixed");
// check if one needs to generate masked detectors column.
int *pMasksArray(nullptr);
if (m_getIsMasked)
pMasksArray = targWS->getColDataArray<int>("detMask");
//// progress message appearance
size_t div = 100;
size_t nHist = targWS->rowCount();
Mantid::API::Progress theProgress(this, 0, 1, nHist);
//// Loop over the spectra
uint32_t liveDetectorsCount(0);
for (size_t i = 0; i < nHist; i++) {
sp2detMap[i] = std::numeric_limits<uint64_t>::quiet_NaN();
detId[i] = std::numeric_limits<int32_t>::quiet_NaN();
detIDMap[i] = std::numeric_limits<uint64_t>::quiet_NaN();
L2[i] = std::numeric_limits<double>::quiet_NaN();
TwoTheta[i] = std::numeric_limits<double>::quiet_NaN();
Azimuthal[i] = std::numeric_limits<double>::quiet_NaN();
// detMask[i] = true;
// 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();
if (m_getIsMasked)
*(pMasksArray + liveDetectorsCount) = maskDetector ? 1 : 0;
else if (maskDetector)
continue;
// calculate the requested values;
sp2detMap[i] = liveDetectorsCount;
detId[liveDetectorsCount] = int32_t(spDet->getID());
detIDMap[liveDetectorsCount] = i;
L2[liveDetectorsCount] = spDet->getDistance(*sample);
double polar = inputWS->detectorTwoTheta(spDet);
double azim = spDet->getPhi();
TwoTheta[liveDetectorsCount] = polar;
Azimuthal[liveDetectorsCount] = azim;
double sPhi = sin(polar);
double ez = cos(polar);
double ex = sPhi * cos(azim);
double ey = sPhi * sin(azim);
detDir[liveDetectorsCount].setX(ex);
detDir[liveDetectorsCount].setY(ey);
detDir[liveDetectorsCount].setZ(ez);
// double sinTheta=sin(0.5*polar);
// this->SinThetaSq[liveDetectorsCount] = sinTheta*sinTheta;
// specific code which should work and makes sense
// for indirect instrument but may be deployed on any code with Ei property
// defined;
if (pEfixedArray) {
try {
Geometry::Parameter_sptr par = pmap.getRecursive(spDet.get(), "eFixed");
if (par)
Efi = par->value<double>();
} catch (std::runtime_error &) {
}
// set efixed for each existing detector
*(pEfixedArray + liveDetectorsCount) = static_cast<float>(Efi);
}
liveDetectorsCount++;
if (i % div == 0)
theProgress.report(i, "Preprocessing detectors");
}
targWS->logs()->addProperty<uint32_t>("ActualDetectorsNum",
liveDetectorsCount, true);
theProgress.report();
g_log.information() << "Finished preprocessing detector locations. Found: "
<< liveDetectorsCount << " detectors out of: " << nHist
<< " histograms\n";
}
