/**
* @param workspace A reference to the workspace object that this data refers to
*/
void QwtWorkspaceBinData::init(const Mantid::API::MatrixWorkspace &workspace)
{
if(workspace.axes() != 2)
{
std::ostringstream os;
os << "QwtWorkspaceBinData(): Workspace must have two axes, found "
<< workspace.axes();
throw std::invalid_argument(os.str());
}
// Check binIndex is valid
if(static_cast<size_t>(m_binIndex) >= workspace.blocksize())
{
std::ostringstream os;
os << "QwtWorkspaceBinData(): Index out of range. index="
<< m_binIndex << ", nvalues=" << workspace.blocksize();
throw std::out_of_range(os.str());
}
// Fill vectors of data
const size_t nhist = workspace.getNumberHistograms();
auto* vertAxis = workspace.getAxis(1); //supplies X values
m_X.resize(nhist);
m_Y.resize(nhist);
m_E.resize(nhist);
for(size_t i = 0; i < nhist; ++i)
{
m_X[i] = vertAxis->getValue(i);
m_Y[i] = workspace.readY(i)[m_binIndex];
m_E[i] = workspace.readE(i)[m_binIndex];
}
// meta data
m_xTitle = MantidQt::API::PlotAxis(workspace, 1).title();
m_yTitle = MantidQt::API::PlotAxis(workspace).title();
}
