/** Converts an EventWorkspace to an equivalent Workspace2D
* @param inputMatrixW :: input event workspace
* @return a MatrixWorkspace_sptr
*/
MatrixWorkspace_sptr EventWorkspaceHelpers::convertEventTo2D(MatrixWorkspace_sptr inputMatrixW)
{
EventWorkspace_sptr inputW = boost::dynamic_pointer_cast<EventWorkspace>(inputMatrixW);
if (!inputW)
throw std::invalid_argument("EventWorkspaceHelpers::convertEventTo2D(): Input workspace is not an EventWorkspace.");
size_t numBins = inputW->blocksize();
// Make a workspace 2D version of it
MatrixWorkspace_sptr outputW;
outputW = WorkspaceFactory::Instance().create("Workspace2D",inputW->getNumberHistograms(), numBins+1, numBins);
WorkspaceFactory::Instance().initializeFromParent(inputW, outputW, false);
// Now let's set all the X bins and values
for (size_t i=0; i<inputW->getNumberHistograms(); i++)
{
outputW->getSpectrum(i)->copyInfoFrom( *inputW->getSpectrum(i));
outputW->setX(i, inputW->refX(i));
MantidVec& Yout = outputW->dataY(i);
const MantidVec& Yin = inputW->readY(i);
for (size_t j=0; j < numBins; j++)
Yout[j] = Yin[j];
MantidVec& Eout = outputW->dataE(i);
const MantidVec& Ein = inputW->readE(i);
for (size_t j=0; j < numBins; j++)
Eout[j] = Ein[j];
}
outputW->generateSpectraMap();
return outputW;
}
void ConvertToMatrixWorkspace::exec()
{
MatrixWorkspace_const_sptr inputWorkspace = getProperty("InputWorkspace");
// Let's see if we have to do anything first. Basically we want to avoid the data copy if we can
DataObjects::EventWorkspace_const_sptr eventW =
boost::dynamic_pointer_cast<const DataObjects::EventWorkspace>(inputWorkspace);
MatrixWorkspace_sptr outputWorkspace;
if( eventW )
{
g_log.information() << "Converting EventWorkspace to Workspace2D.\n";
const size_t numHists = inputWorkspace->getNumberHistograms();
Progress prog(this,0.0,1.0,numHists*2);
// Sort the input workspace in-place by TOF. This can be faster if there are few event lists.
eventW->sortAll(TOF_SORT, &prog);
// Create the output workspace. This will copy many aspects fron the input one.
outputWorkspace = WorkspaceFactory::Instance().create(inputWorkspace);
// ...but not the data, so do that here.
PARALLEL_FOR2(inputWorkspace,outputWorkspace)
for (int64_t i = 0; i < (int64_t)numHists; ++i)
{
PARALLEL_START_INTERUPT_REGION
const ISpectrum * inSpec = inputWorkspace->getSpectrum(i);
ISpectrum * outSpec = outputWorkspace->getSpectrum(i);
outSpec->copyInfoFrom(*inSpec);
outSpec->setX(inSpec->ptrX());
outSpec->dataY() = inSpec->dataY();
outSpec->dataE() = inSpec->dataE();
prog.report("Binning");
PARALLEL_END_INTERUPT_REGION
}
PARALLEL_CHECK_INTERUPT_REGION
outputWorkspace->generateSpectraMap();
}
else
{
void ConvertTableToMatrixWorkspace::exec()
{
ITableWorkspace_sptr inputWorkspace = getProperty("InputWorkspace");
std::string columnX = getProperty("ColumnX");
std::string columnY = getProperty("ColumnY");
std::string columnE = getProperty("ColumnE");
size_t nrows = inputWorkspace->rowCount();
std::vector<double> X(nrows);
std::vector<double> Y(nrows);
std::vector<double> E(nrows);
inputWorkspace->getColumn(columnX)->numeric_fill(X);
inputWorkspace->getColumn(columnY)->numeric_fill(Y);
if (!columnE.empty())
{
inputWorkspace->getColumn(columnE)->numeric_fill(E);
}
else
{
E.assign(X.size(),1.0);
}
MatrixWorkspace_sptr outputWorkspace = WorkspaceFactory::Instance().create("Workspace2D",1,X.size(),X.size());
outputWorkspace->dataX(0).assign(X.begin(),X.end());
outputWorkspace->dataY(0).assign(Y.begin(),Y.end());
outputWorkspace->dataE(0).assign(E.begin(),E.end());
outputWorkspace->generateSpectraMap();
boost::shared_ptr<Kernel::Units::Label> labelX = boost::dynamic_pointer_cast<Kernel::Units::Label>(
Kernel::UnitFactory::Instance().create("Label")
);
labelX->setLabel(columnX);
outputWorkspace->getAxis(0)->unit() = labelX;
outputWorkspace->setYUnitLabel(columnY);
setProperty("OutputWorkspace", outputWorkspace);
}
/** Executes the algorithm
*
*/
void SumSpectra::exec()
{
// Try and retrieve the optional properties
m_MinSpec = getProperty("StartWorkspaceIndex");
m_MaxSpec = getProperty("EndWorkspaceIndex");
const std::vector<int> indices_list = getProperty("ListOfWorkspaceIndices");
keepMonitors = getProperty("IncludeMonitors");
// Get the input workspace
MatrixWorkspace_const_sptr localworkspace = getProperty("InputWorkspace");
numberOfSpectra = static_cast<int>(localworkspace->getNumberHistograms());
this->yLength = static_cast<int>(localworkspace->blocksize());
// Check 'StartSpectrum' is in range 0-numberOfSpectra
if ( m_MinSpec > numberOfSpectra )
{
g_log.warning("StartWorkspaceIndex out of range! Set to 0.");
m_MinSpec = 0;
}
if (indices_list.empty())
{
//If no list was given and no max, just do all.
if ( isEmpty(m_MaxSpec) ) m_MaxSpec = numberOfSpectra-1;
}
//Something for m_MaxSpec was given but it is out of range?
if (!isEmpty(m_MaxSpec) && ( m_MaxSpec > numberOfSpectra-1 || m_MaxSpec < m_MinSpec ))
{
g_log.warning("EndWorkspaceIndex out of range! Set to max Workspace Index");
m_MaxSpec = numberOfSpectra;
}
//Make the set of indices to sum up from the list
this->indices.insert(indices_list.begin(), indices_list.end());
//And add the range too, if any
if (!isEmpty(m_MaxSpec))
{
for (int i = m_MinSpec; i <= m_MaxSpec; i++)
this->indices.insert(i);
}
//determine the output spectrum id
m_outSpecId = this->getOutputSpecId(localworkspace);
g_log.information() << "Spectra remapping gives single spectra with spectra number: "
<< m_outSpecId << "\n";
m_CalculateWeightedSum = getProperty("WeightedSum");
EventWorkspace_const_sptr eventW = boost::dynamic_pointer_cast<const EventWorkspace>(localworkspace);
if (eventW)
{
m_CalculateWeightedSum = false;
this->execEvent(eventW, this->indices);
}
else
{
//-------Workspace 2D mode -----
// Create the 2D workspace for the output
MatrixWorkspace_sptr outputWorkspace = API::WorkspaceFactory::Instance().create(localworkspace,
1,localworkspace->readX(0).size(),this->yLength);
size_t numSpectra(0); // total number of processed spectra
size_t numMasked(0); // total number of the masked and skipped spectra
size_t numZeros(0); // number of spectra which have 0 value in the first column (used in special cases of evaluating how good Puasonian statistics is)
Progress progress(this, 0, 1, this->indices.size());
// This is the (only) output spectrum
ISpectrum * outSpec = outputWorkspace->getSpectrum(0);
// Copy over the bin boundaries
outSpec->dataX() = localworkspace->readX(0);
//Build a new spectra map
outSpec->setSpectrumNo(m_outSpecId);
outSpec->clearDetectorIDs();
if (localworkspace->id() == "RebinnedOutput")
{
this->doRebinnedOutput(outputWorkspace, progress,numSpectra,numMasked,numZeros);
}
else
{
this->doWorkspace2D(localworkspace, outSpec, progress,numSpectra,numMasked,numZeros);
}
// Pointer to sqrt function
MantidVec& YError = outSpec->dataE();
typedef double (*uf)(double);
uf rs=std::sqrt;
//take the square root of all the accumulated squared errors - Assumes Gaussian errors
std::transform(YError.begin(), YError.end(), YError.begin(), rs);
outputWorkspace->generateSpectraMap();
// set up the summing statistics
outputWorkspace->mutableRun().addProperty("NumAllSpectra",int(numSpectra),"",true);
outputWorkspace->mutableRun().addProperty("NumMaskSpectra",int(numMasked),"",true);
outputWorkspace->mutableRun().addProperty("NumZeroSpectra",int(numZeros),"",true);
// Assign it to the output workspace property
setProperty("OutputWorkspace", outputWorkspace);
}
}
