/**
* Execute the align detectors algorithm for an event workspace.
*/
void AlignDetectors::execEvent() {
// g_log.information("Processing event workspace");
// the calibration information is already read in at this point
// convert the input workspace into the event workspace we already know it is
const MatrixWorkspace_const_sptr matrixInputWS =
this->getProperty("InputWorkspace");
EventWorkspace_const_sptr inputWS =
boost::dynamic_pointer_cast<const EventWorkspace>(matrixInputWS);
// generate the output workspace pointer
API::MatrixWorkspace_sptr matrixOutputWS =
this->getProperty("OutputWorkspace");
EventWorkspace_sptr outputWS;
if (matrixOutputWS == matrixInputWS)
outputWS = boost::dynamic_pointer_cast<EventWorkspace>(matrixOutputWS);
else {
// Make a brand new EventWorkspace
outputWS = boost::dynamic_pointer_cast<EventWorkspace>(
API::WorkspaceFactory::Instance().create(
"EventWorkspace", inputWS->getNumberHistograms(), 2, 1));
// Copy geometry over.
API::WorkspaceFactory::Instance().initializeFromParent(inputWS, outputWS,
false);
// You need to copy over the data as well.
outputWS->copyDataFrom((*inputWS));
// Cast to the matrixOutputWS and save it
matrixOutputWS = boost::dynamic_pointer_cast<MatrixWorkspace>(outputWS);
this->setProperty("OutputWorkspace", matrixOutputWS);
}
// Set the final unit that our output workspace will have
setXAxisUnits(outputWS);
ConversionFactors converter = ConversionFactors(m_calibrationWS);
Progress progress(this, 0.0, 1.0, m_numberOfSpectra);
PARALLEL_FOR_NO_WSP_CHECK()
for (int64_t i = 0; i < m_numberOfSpectra; ++i) {
PARALLEL_START_INTERUPT_REGION
auto toDspacing = converter.getConversionFunc(
inputWS->getSpectrum(size_t(i))->getDetectorIDs());
outputWS->getEventList(i).convertTof(toDspacing);
progress.report();
PARALLEL_END_INTERUPT_REGION
}
PARALLEL_CHECK_INTERUPT_REGION
if (outputWS->getTofMin() < 0.) {
std::stringstream msg;
msg << "Something wrong with the calibration. Negative minimum d-spacing "
"created. d_min = " << outputWS->getTofMin() << " d_max "
<< outputWS->getTofMax();
g_log.warning(msg.str());
}
outputWS->clearMRU();
}
/**
* Execute the align detectors algorithm for an event workspace.
*/
void AlignDetectors::execEvent()
{
//g_log.information("Processing event workspace");
// the calibration information is already read in at this point
// convert the input workspace into the event workspace we already know it is
const MatrixWorkspace_const_sptr matrixInputWS = this->getProperty("InputWorkspace");
EventWorkspace_const_sptr inputWS
= boost::dynamic_pointer_cast<const EventWorkspace>(matrixInputWS);
// generate the output workspace pointer
API::MatrixWorkspace_sptr matrixOutputWS = this->getProperty("OutputWorkspace");
EventWorkspace_sptr outputWS;
if (matrixOutputWS == matrixInputWS)
outputWS = boost::dynamic_pointer_cast<EventWorkspace>(matrixOutputWS);
else
{
//Make a brand new EventWorkspace
outputWS = boost::dynamic_pointer_cast<EventWorkspace>(
API::WorkspaceFactory::Instance().create("EventWorkspace", inputWS->getNumberHistograms(), 2, 1));
//Copy geometry over.
API::WorkspaceFactory::Instance().initializeFromParent(inputWS, outputWS, false);
//outputWS->mutableSpectraMap().clear();
//You need to copy over the data as well.
outputWS->copyDataFrom( (*inputWS) );
//Cast to the matrixOutputWS and save it
matrixOutputWS = boost::dynamic_pointer_cast<MatrixWorkspace>(outputWS);
this->setProperty("OutputWorkspace", matrixOutputWS);
}
// Set the final unit that our output workspace will have
outputWS->getAxis(0)->unit() = UnitFactory::Instance().create("dSpacing");
const int64_t numberOfSpectra = static_cast<int64_t>(inputWS->getNumberHistograms());
// Initialise the progress reporting object
Progress progress(this,0.0,1.0,numberOfSpectra);
PARALLEL_FOR_NO_WSP_CHECK()
for (int64_t i = 0; i < int64_t(numberOfSpectra); ++i)
{
PARALLEL_START_INTERUPT_REGION
// Compute the conversion factor
double factor = calcConversionFromMap(this->tofToDmap, inputWS->getSpectrum(size_t(i))->getDetectorIDs());
//Perform the multiplication on all events
outputWS->getEventList(i).convertTof(factor);
progress.report();
PARALLEL_END_INTERUPT_REGION
}
PARALLEL_CHECK_INTERUPT_REGION
if (outputWS->getTofMin() < 0.)
{
std::stringstream msg;
msg << "Something wrong with the calibration. Negative minimum d-spacing created. d_min = "
<< outputWS->getTofMin() << " d_max " << outputWS->getTofMax();
throw std::runtime_error(msg.str());
}
outputWS->clearMRU();
}
