/**
* Load a given period into the workspace
* @param period :: The period number to load (starting from 1)
* @param entry :: The opened root entry node for accessing the monitor and data nodes
* @param local_workspace :: The workspace to place the data in
*/
void LoadISISNexus2::loadPeriodData(int64_t period, NXEntry & entry, DataObjects::Workspace2D_sptr local_workspace)
{
int64_t hist_index = 0;
int64_t period_index(period - 1);
//int64_t first_monitor_spectrum = 0;
for(auto block = m_spectraBlocks.cbegin(); block != m_spectraBlocks.cend(); ++block)
{
if ( block->isMonitor )
{
auto it = m_monitors.find( block->first );
assert( it != m_monitors.end() );
NXData monitor = entry.openNXData(it->second);
NXInt mondata = monitor.openIntData();
m_progress->report("Loading monitor");
mondata.load(1,static_cast<int>(period-1)); // TODO this is just wrong
std::cerr << "monitor " << monitor.name() << std::endl;
MantidVec& Y = local_workspace->dataY(hist_index);
Y.assign(mondata(),mondata() + m_numberOfChannels);
MantidVec& E = local_workspace->dataE(hist_index);
std::transform(Y.begin(), Y.end(), E.begin(), dblSqrt);
local_workspace->getAxis(1)->spectraNo(hist_index) = static_cast<specid_t>(it->first);
NXFloat timeBins = monitor.openNXFloat("time_of_flight");
timeBins.load();
local_workspace->dataX(hist_index).assign(timeBins(),timeBins() + timeBins.dim0());
hist_index++;
}
else if( m_have_detector )
{
NXData nxdata = entry.openNXData("detector_1");
NXDataSetTyped<int> data = nxdata.openIntData();
data.open();
//Start with thelist members that are lower than the required spectrum
const int * const spec_begin = m_spec.get();
// When reading in blocks we need to be careful that the range is exactly divisible by the blocksize
// and if not have an extra read of the left overs
const int64_t blocksize = 8;
const int64_t rangesize = block->last - block->first + 1;
const int64_t fullblocks = rangesize / blocksize;
int64_t spectra_no = block->first;
// For this to work correctly, we assume that the spectrum list increases monotonically
int64_t filestart = std::lower_bound(spec_begin,m_spec_end,spectra_no) - spec_begin;
if( fullblocks > 0 )
{
for(int64_t i = 0; i < fullblocks; ++i)
{
loadBlock(data, blocksize, period_index, filestart, hist_index, spectra_no, local_workspace);
filestart += blocksize;
}
}
int64_t finalblock = rangesize - (fullblocks * blocksize);
if( finalblock > 0 )
{
loadBlock(data, finalblock, period_index, filestart, hist_index, spectra_no, local_workspace);
}
}
}
try
{
const std::string title = entry.getString("title");
local_workspace->setTitle(title);
// write the title into the log file (run object)
local_workspace->mutableRun().addProperty("run_title", title, true);
}
catch (std::runtime_error &)
{
g_log.debug() << "No title was found in the input file, " << getPropertyValue("Filename") << std::endl;
}
}
