void LoadDaveGrp::exec()
{
const std::string filename = this->getProperty("Filename");
int yLength = 0;
MantidVec *xAxis = new MantidVec();
MantidVec *yAxis = new MantidVec();
std::vector<MantidVec *> data;
std::vector<MantidVec *> errors;
this->ifile.open(filename.c_str());
if (this->ifile.is_open())
{
// Size of x axis
this->getAxisLength(this->xLength);
// Size of y axis
this->getAxisLength(yLength);
// This is also the number of groups (spectra)
this->nGroups = yLength;
// Read in the x axis values
this->getAxisValues(xAxis, static_cast<std::size_t>(this->xLength));
// Read in the y axis values
this->getAxisValues(yAxis, static_cast<std::size_t>(yLength));
// Read in the data
this->getData(data, errors);
}
this->ifile.close();
// Scale the x-axis if it is in micro-eV to get it to meV
const bool isUeV = this->getProperty("IsMicroEV");
if (isUeV)
{
MantidVec::iterator iter;
for (iter = xAxis->begin(); iter != xAxis->end(); ++iter)
{
*iter /= 1000.0;
}
}
// Create workspace
API::MatrixWorkspace_sptr outputWorkspace = \
boost::dynamic_pointer_cast<API::MatrixWorkspace>\
(API::WorkspaceFactory::Instance().create("Workspace2D", this->nGroups,
this->xLength, yLength));
// Force the workspace to be a distribution
outputWorkspace->isDistribution(true);
// Set the x-axis units
outputWorkspace->getAxis(0)->unit() = Kernel::UnitFactory::Instance().create(this->getProperty("XAxisUnits"));
API::Axis* const verticalAxis = new API::NumericAxis(yLength);
// Set the y-axis units
verticalAxis->unit() = Kernel::UnitFactory::Instance().create(this->getProperty("YAxisUnits"));
outputWorkspace->replaceAxis(1, verticalAxis);
for(int i = 0; i < this->nGroups; i++)
{
outputWorkspace->dataX(i) = *xAxis;
outputWorkspace->dataY(i) = *data[i];
outputWorkspace->dataE(i) = *errors[i];
verticalAxis->setValue(i, yAxis->at(i));
delete data[i];
delete errors[i];
}
delete xAxis;
delete yAxis;
outputWorkspace->mutableRun().addProperty("Filename",filename);
this->setProperty("OutputWorkspace", outputWorkspace);
}
