/** The function expects that the string passed to it contains a series of integers,
* ranges specified with a '-' are possible
* @param line :: a line read from the file, we'll interpret this
* @param specs2index :: a map with spectra numbers as indexes and index numbers as values
* @param output :: the list of integers, with any ranges expanded
* @param unUsedSpec :: the list of spectra indexes that have been included in a group (so far)
* @param seperator :: the symbol for the index range separator
* @throw invalid_argument when a number couldn't be found or the number is not in the spectra map
*/
void GroupDetectors2::readSpectraIndexes(std::string line, spec2index_map &specs2index,
std::vector<size_t> &output, std::vector<int64_t> &unUsedSpec, std::string seperator)
{
// remove comments and white space
Poco::StringTokenizer dataComment(line, seperator, IGNORE_SPACES);
Poco::StringTokenizer::Iterator iend = dataComment.end();
for( Poco::StringTokenizer::Iterator itr = dataComment.begin(); itr != iend; ++itr )
{
std::vector<size_t> specNums;
specNums.reserve(output.capacity());
RangeHelper::getList(*itr, specNums);
std::vector<size_t>::const_iterator specN = specNums.begin();
for( ;specN!=specNums.end(); ++specN)
{
specid_t spectrumNum = static_cast<specid_t>(*specN);
spec2index_map::const_iterator ind = specs2index.find(spectrumNum);
if ( ind == specs2index.end() )
{
g_log.debug() << name() << ": spectrum number " << spectrumNum << " refered to in the input file was not found in the input workspace\n";
throw std::invalid_argument("Spectrum number " + boost::lexical_cast<std::string>(spectrumNum) + " not found");
}
if ( unUsedSpec[ind->second] != USED )
{// this array is used when the user sets KeepUngroupedSpectra, as well as to find duplicates
unUsedSpec[ind->second] = USED;
output.push_back( ind->second );
}
else
{// the spectra was already included in a group
output.push_back( ind->second );
}
}
}
}
/** Set the mask on the spectrum numbers or convert them to detector-s id if
* sample workspace is provided
*@param mask -- to mask or unmask appropriate spectra
*@param maskedSpecID -- vector of the spectra numbers to process
*@param singleDetIds -- vector of det-id-s to extend if workspace-
* source of spectra-detector map is provided
*/
void LoadMask::processMaskOnWorkspaceIndex(bool mask,
std::vector<int32_t> &maskedSpecID,
std::vector<int32_t> &singleDetIds) {
// 1. Check
if (maskedSpecID.empty())
return;
if (m_sourceMapWS) {
// convert spectra masks into det-id mask using source workspace
convertSpMasksToDetIDs(*m_sourceMapWS, maskedSpecID, singleDetIds);
maskedSpecID
.clear(); // spectra ID not needed any more as all converted to det-ids
return;
}
// 2. Get Map
const spec2index_map s2imap = m_maskWS->getSpectrumToWorkspaceIndexMap();
spec2index_map::const_iterator s2iter;
// 3. Set mask
auto spec0 = maskedSpecID[0];
auto prev_masks = spec0;
for (size_t i = 0; i < maskedSpecID.size(); i++) {
auto spec2mask = maskedSpecID[i];
s2iter = s2imap.find(spec2mask);
if (s2iter == s2imap.end()) {
// spectrum not found. bad branch
g_log.error()
<< "Spectrum " << spec2mask
<< " does not have an entry in GroupWorkspace's spec2index map\n";
throw std::runtime_error("Logic error");
} else {
size_t wsindex = s2iter->second;
if (wsindex >= m_maskWS->getNumberHistograms()) {
// workspace index is out of range. bad branch
g_log.error() << "Group workspace's spec2index map is set wrong: "
<< " Found workspace index = " << wsindex
<< " for spectrum No " << spec2mask
<< " with workspace size = "
<< m_maskWS->getNumberHistograms() << '\n';
} else {
// Finally set the masking;
m_maskWS->mutableY(wsindex)[0] = (mask) ? 1.0 : 0.0;
} // IF-ELSE: ws index out of range
} // IF-ELSE: spectrum No has an entry
if (spec2mask > prev_masks + 1) {
g_log.debug() << "Masked Spectrum " << spec0 << " To " << prev_masks
<< '\n';
spec0 = spec2mask;
}
} // FOR EACH SpecNo
}
/** Set the mask on the spectrum Nos
*/
void LoadMask::processMaskOnWorkspaceIndex(bool mask,
std::vector<int32_t> pairslow,
std::vector<int32_t> pairsup) {
// 1. Check
if (pairslow.empty())
return;
if (pairslow.size() != pairsup.size()) {
g_log.error() << "Input spectrum Nos are not paired. Size(low) = "
<< pairslow.size() << ", Size(up) = " << pairsup.size()
<< std::endl;
throw std::invalid_argument("Input spectrum Nos are not paired. ");
}
// 2. Get Map
const spec2index_map s2imap = m_maskWS->getSpectrumToWorkspaceIndexMap();
spec2index_map::const_iterator s2iter;
// 3. Set mask
for (size_t i = 0; i < pairslow.size(); i++) {
// TODO Make this function work!
g_log.debug() << "Mask Spectrum " << pairslow[i] << " To " << pairsup[i]
<< std::endl;
for (int32_t specNo = pairslow[i]; specNo <= pairsup[i]; specNo++) {
s2iter = s2imap.find(specNo);
if (s2iter == s2imap.end()) {
// spectrum not found. bad branch
g_log.error()
<< "Spectrum " << specNo
<< " does not have an entry in GroupWorkspace's spec2index map"
<< std::endl;
throw std::runtime_error("Logic error");
} else {
size_t wsindex = s2iter->second;
if (wsindex >= m_maskWS->getNumberHistograms()) {
// workspace index is out of range. bad branch
g_log.error() << "Group workspace's spec2index map is set wrong: "
<< " Found workspace index = " << wsindex
<< " for spectrum No " << specNo
<< " with workspace size = "
<< m_maskWS->getNumberHistograms() << std::endl;
} else {
// Finally set the group workspace. only good branch
if (mask)
m_maskWS->dataY(wsindex)[0] = 1.0;
else
m_maskWS->dataY(wsindex)[0] = 0.0;
} // IF-ELSE: ws index out of range
} // IF-ELSE: spectrum No has an entry
} // FOR EACH SpecNo
} // FOR EACH Pair
return;
}
/** A memory efficient function that adjusts the X-value bin boundaries that only creates a new
* cow_ptr array when the offset has changed
* @param offsets :: an array of times to adjust all the bins in each workspace histogram by
* @param spectraList :: a list of spectra numbers in the same order as the offsets
* @param specs2index :: a map that allows finding a spectra indexes from spectra numbers
* @param missingDetectors :: this will be filled with the array indices of the detector offsets that we can't find spectra indices for
*/
void LoadDetectorInfo::adjustXsCommon(const std::vector<float> &offsets, const std::vector<specid_t> &spectraList,
spec2index_map &specs2index, std::vector<detid_t> missingDetectors)
{
// space for cached values
float cachedOffSet = UNSETOFFSET;
MantidVecPtr monitorXs;
MantidVecPtr cachedXs;
double fracCompl = 1.0/3.0;
for ( std::vector<int>::size_type j = 0; j < spectraList.size(); ++j )
{// first check that our spectranumber to spectra index map is working for us
if ( specs2index.find(spectraList[j]) == specs2index.end() )
{// we can't find the spectrum associated the detector prepare to log that
missingDetectors.push_back(static_cast<int>(j));
// and then move on to the next detector in the loop
continue;
}
const size_t specIndex = specs2index[spectraList[j]];
// check if we dealing with a monitor as these are dealt by a different function
const std::set<detid_t> & dets = m_workspace->getSpectrum(specIndex)->getDetectorIDs();
if ( dets.size() > 0 )
{// is it in the monitors list
if ( m_monitors.find(*dets.begin()) == m_monitors.end() )
{// it's not a monitor, it's a regular detector
if ( offsets[j] != cachedOffSet )
{
setUpXArray(cachedXs, specIndex, offsets[j]);
cachedOffSet = offsets[j];
}
else m_workspace->setX(specIndex, cachedXs);
}
else
{// it's a monitor
if ( (*monitorXs).empty() )
{
// negative because we add the monitor offset, not take away as for detectors, the difference between the monitor delay and the detectors that counts
setUpXArray(monitorXs, specIndex, -m_monitOffset);
}
else m_workspace->setX(specIndex, monitorXs);
}
}
if ( j % INTERVAL == INTERVAL/2 )
{
fracCompl += (2.0*INTERVAL/3.0)/static_cast<double>(spectraList.size());
progress( fracCompl );
interruption_point();
}
}
}
/*
* Set workspace index/group id by spectrum IDs
*/
void LoadDetectorsGroupingFile::setBySpectrumIDs() {
// 1. Get map
const spec2index_map s2imap = m_groupWS->getSpectrumToWorkspaceIndexMap();
spec2index_map::const_iterator s2iter;
// 2. Locate in loop
// std::map<int, std::vector<int> > m_groupSpectraMap;
std::map<int, std::vector<int>>::iterator gsiter;
for (gsiter = m_groupSpectraMap.begin(); gsiter != m_groupSpectraMap.end();
++gsiter) {
int groupid = gsiter->first;
for (auto specid : gsiter->second) {
s2iter = s2imap.find(specid);
if (s2iter == s2imap.end()) {
g_log.error()
<< "Spectrum " << specid
<< " does not have an entry in GroupWorkspace's spec2index map"
<< std::endl;
throw std::runtime_error("Logic error");
} else {
size_t wsindex = s2iter->second;
if (wsindex >= m_groupWS->getNumberHistograms()) {
g_log.error() << "Group workspace's spec2index map is set wrong: "
<< " Found workspace index = " << wsindex
<< " for spectrum ID " << specid
<< " with workspace size = "
<< m_groupWS->getNumberHistograms() << std::endl;
} else {
// Finally set the group workspace
m_groupWS->dataY(wsindex)[0] = groupid;
} // IF-ELSE: ws index out of range
} // IF-ELSE: spectrum ID has an entry
} // FOR: each spectrum ID
} // FOR: each group ID
return;
}
/**
* Updates from a more generic ascii file
* @param filename :: The input filename
*/
void UpdateInstrumentFromFile::updateFromAscii(const std::string & filename)
{
AsciiFileHeader header;
const bool isSpectrum = parseAsciiHeader(header);
Geometry::Instrument_const_sptr inst = m_workspace->getInstrument();
// Throws for multiple detectors
const spec2index_map specToIndex(m_workspace->getSpectrumToWorkspaceIndexMap());
std::ifstream datfile(filename.c_str(), std::ios_base::in);
const int skipNLines = getProperty("SkipFirstNLines");
std::string line;
int lineCount(0);
while(lineCount < skipNLines)
{
std::getline(datfile,line);
++lineCount;
}
std::vector<double> colValues(header.colCount - 1, 0.0);
while(std::getline(datfile,line))
{
boost::trim(line);
std::istringstream is(line);
// Column 0 should be ID/spectrum number
int32_t detOrSpec(-1000);
is >> detOrSpec;
// If first thing read is not a number then skip the line
if(is.fail())
{
g_log.debug() << "Skipping \"" << line << "\". Cannot interpret as list of numbers.\n";
continue;
}
Geometry::IDetector_const_sptr det;
try
{
if(isSpectrum)
{
auto it = specToIndex.find(detOrSpec);
if(it != specToIndex.end())
{
const size_t wsIndex = it->second;
det = m_workspace->getDetector(wsIndex);
}
else
{
g_log.debug() << "Skipping \"" << line << "\". Spectrum is not in workspace.\n";
continue;
}
}
else
{
det = inst->getDetector(detOrSpec);
}
}
catch(Kernel::Exception::NotFoundError&)
{
g_log.debug() << "Skipping \"" << line << "\". Spectrum in workspace but cannot find associated detector.\n";
continue;
}
// Special cases for detector r,t,p. Everything else is
// attached as an detector parameter
double R(0.0),theta(0.0), phi(0.0);
for(size_t i = 1; i < header.colCount; ++i)
{
double value(0.0);
is >> value;
if(i < header.colCount - 1 && is.eof())
{
//If stringstream is at EOF & we are not at the last column then
// there aren't enought columns in the file
throw std::runtime_error("UpdateInstrumentFromFile::updateFromAscii - "
"File contains fewer than expected number of columns, check AsciiHeader property.");
}
if(i == header.rColIdx) R = value;
else if(i == header.thetaColIdx) theta = value;
else if(i == header.phiColIdx) phi = value;
else if(header.detParCols.count(i) == 1)
{
Geometry::ParameterMap & pmap = m_workspace->instrumentParameters();
pmap.addDouble(det->getComponentID(), header.colToName[i],value);
}
}
// Check stream state. stringstream::EOF should have been reached, if not then there is still more to
// read and the file has more columns than the header indicated
if(!is.eof())
{
throw std::runtime_error("UpdateInstrumentFromFile::updateFromAscii - "
"File contains more than expected number of columns, check AsciiHeader property.");
}
// If not supplied use current values
double r,t,p;
det->getPos().getSpherical(r,t,p);
if(header.rColIdx == 0) R = r;
if(header.thetaColIdx == 0) theta = t;
if(header.phiColIdx == 0) phi = p;
setDetectorPosition(det, static_cast<float>(R), static_cast<float>(theta), static_cast<float>(phi));
}
}
/** Use NearestNeighbours to find the neighbours for any instrument
*/
void SmoothNeighbours::findNeighboursUbiqutious() {
g_log.debug(
"SmoothNeighbours processing NOT assuming rectangular detectors.");
m_progress->resetNumSteps(inWS->getNumberHistograms(), 0.2, 0.5);
this->progress(0.2, "Building Neighbour Map");
Instrument_const_sptr inst = inWS->getInstrument();
const spec2index_map spec2index = inWS->getSpectrumToWorkspaceIndexMap();
// Resize the vector we are setting
m_neighbours.resize(inWS->getNumberHistograms());
bool ignoreMaskedDetectors = getProperty("IgnoreMaskedDetectors");
WorkspaceNearestNeighbourInfo neighbourInfo(*inWS, ignoreMaskedDetectors,
nNeighbours);
// Cull by radius
RadiusFilter radiusFilter(Radius);
// Go through every input workspace pixel
outWI = 0;
int sum = getProperty("SumNumberOfNeighbours");
boost::shared_ptr<const Geometry::IComponent> parent, neighbParent,
grandparent, neighbGParent;
auto used = new bool[inWS->getNumberHistograms()];
if (sum > 1) {
for (size_t wi = 0; wi < inWS->getNumberHistograms(); wi++)
used[wi] = false;
}
const auto &detectorInfo = inWS->detectorInfo();
for (size_t wi = 0; wi < inWS->getNumberHistograms(); wi++) {
if (sum > 1)
if (used[wi])
continue;
// We want to skip monitors
try {
// Get the list of detectors in this pixel
const auto &dets = inWS->getSpectrum(wi).getDetectorIDs();
const auto index = detectorInfo.indexOf(*dets.begin());
if (detectorInfo.isMonitor(index))
continue; // skip monitor
if (detectorInfo.isMasked(index)) {
// Calibration masks many detectors, but there should be 0s after
// smoothing
if (sum == 1)
outWI++;
continue; // skip masked detectors
}
if (sum > 1) {
const auto &det = detectorInfo.detector(index);
parent = det.getParent();
if (parent)
grandparent = parent->getParent();
}
} catch (Kernel::Exception::NotFoundError &) {
continue; // skip missing detector
}
specnum_t inSpec = inWS->getSpectrum(wi).getSpectrumNo();
// Step one - Get the number of specified neighbours
SpectraDistanceMap insideGrid = neighbourInfo.getNeighboursExact(inSpec);
// Step two - Filter the results by the radius cut off.
SpectraDistanceMap neighbSpectra = radiusFilter.apply(insideGrid);
// Force the central pixel to always be there
// There seems to be a bug in nearestNeighbours, returns distance != 0.0 for
// the central pixel. So we force distance = 0
neighbSpectra[inSpec] = V3D(0.0, 0.0, 0.0);
// Neighbours and weights list
double totalWeight = 0;
int noNeigh = 0;
std::vector<weightedNeighbour> neighbours;
// Convert from spectrum numbers to workspace indices
for (auto &specDistance : neighbSpectra) {
specnum_t spec = specDistance.first;
// Use the weighting strategy to calculate the weight.
double weight = WeightedSum->weightAt(specDistance.second);
if (weight > 0) {
// Find the corresponding workspace index
auto mapIt = spec2index.find(spec);
if (mapIt != spec2index.end()) {
size_t neighWI = mapIt->second;
if (sum > 1) {
// Get the list of detectors in this pixel
const std::set<detid_t> &dets =
inWS->getSpectrum(neighWI).getDetectorIDs();
const auto &det = detectorInfo.detector(*dets.begin());
neighbParent = det.getParent();
neighbGParent = neighbParent->getParent();
if (noNeigh >= sum ||
neighbParent->getName() != parent->getName() ||
neighbGParent->getName() != grandparent->getName() ||
used[neighWI])
continue;
noNeigh++;
used[neighWI] = true;
}
neighbours.emplace_back(neighWI, weight);
totalWeight += weight;
}
}
}
// Adjust the weights of each neighbour to normalize to unity
if (sum == 1)
for (auto &neighbour : neighbours)
neighbour.second /= totalWeight;
// Save the list of neighbours for this output workspace index.
m_neighbours[outWI] = neighbours;
outWI++;
m_progress->report("Finding Neighbours");
} // each workspace index
delete[] used;
}
/**
* Updates from a more generic ascii file
* @param filename :: The input filename
*/
void UpdateInstrumentFromFile::updateFromAscii(const std::string &filename) {
AsciiFileHeader header;
const bool isSpectrum = parseAsciiHeader(header);
// Throws for multiple detectors
const spec2index_map specToIndex(
m_workspace->getSpectrumToWorkspaceIndexMap());
std::ifstream datfile(filename.c_str(), std::ios_base::in);
const int skipNLines = getProperty("SkipFirstNLines");
std::string line;
int lineCount(0);
while (lineCount < skipNLines) {
std::getline(datfile, line);
++lineCount;
}
Geometry::ParameterMap &pmap = m_workspace->instrumentParameters();
auto &detectorInfo = m_workspace->mutableDetectorInfo();
const auto &spectrumInfo = m_workspace->spectrumInfo();
std::vector<double> colValues(header.colCount - 1, 0.0);
while (std::getline(datfile, line)) {
boost::trim(line);
std::istringstream is(line);
// Column 0 should be ID/spectrum number
int32_t detOrSpec(-1000);
is >> detOrSpec;
// If first thing read is not a number then skip the line
if (is.fail()) {
g_log.debug() << "Skipping \"" << line
<< "\". Cannot interpret as list of numbers.\n";
continue;
}
bool skip{false};
size_t index = static_cast<size_t>(-1);
const Geometry::IDetector *det{nullptr};
if (isSpectrum) {
auto it = specToIndex.find(detOrSpec);
if (it != specToIndex.end()) {
index = it->second;
if (spectrumInfo.hasDetectors(index)) {
det = &spectrumInfo.detector(index);
} else {
skip = true;
}
} else {
g_log.debug() << "Skipping \"" << line
<< "\". Spectrum is not in workspace.\n";
continue;
}
} else {
try {
index = detectorInfo.indexOf(detOrSpec);
det = &detectorInfo.detector(index);
} catch (std::out_of_range &) {
skip = true;
}
}
if (skip || index == static_cast<size_t>(-1)) {
g_log.debug()
<< "Skipping \"" << line
<< "\". Spectrum in workspace but cannot find associated detector.\n";
continue;
}
std::vector<size_t> indices;
if (isSpectrum) {
if (auto group = dynamic_cast<const Geometry::DetectorGroup *>(det)) {
for (const auto detID : group->getDetectorIDs())
indices.push_back(detectorInfo.indexOf(detID));
} else {
indices.push_back(detectorInfo.indexOf(det->getID()));
}
} else {
indices.push_back(index);
}
// Special cases for detector r,t,p. Everything else is
// attached as an detector parameter
double R(0.0), theta(0.0), phi(0.0);
for (size_t i = 1; i < header.colCount; ++i) {
double value(0.0);
is >> value;
if (i < header.colCount - 1 && is.eof()) {
// If stringstream is at EOF & we are not at the last column then
// there aren't enought columns in the file
throw std::runtime_error("UpdateInstrumentFromFile::updateFromAscii - "
"File contains fewer than expected number of "
"columns, check AsciiHeader property.");
}
if (i == header.rColIdx)
R = value;
else if (i == header.thetaColIdx)
theta = value;
else if (i == header.phiColIdx)
phi = value;
else if (header.detParCols.count(i) == 1) {
for (const auto index : indices) {
auto id = detectorInfo.detector(index).getComponentID();
pmap.addDouble(id, header.colToName[i], value);
}
}
}
// Check stream state. stringstream::EOF should have been reached, if not
// then there is still more to
// read and the file has more columns than the header indicated
if (!is.eof()) {
throw std::runtime_error("UpdateInstrumentFromFile::updateFromAscii - "
"File contains more than expected number of "
"columns, check AsciiHeader property.");
}
// If not supplied use current values
double r, t, p;
if (isSpectrum)
spectrumInfo.position(index).getSpherical(r, t, p);
else
detectorInfo.position(index).getSpherical(r, t, p);
if (header.rColIdx == 0)
R = r;
if (header.thetaColIdx == 0)
theta = t;
if (header.phiColIdx == 0 || m_ignorePhi)
phi = p;
for (const auto index : indices)
setDetectorPosition(detectorInfo, index, static_cast<float>(R),
static_cast<float>(theta), static_cast<float>(phi));
}
}