/**
* Add a sample environment log for the proton chage (charge of the pulse in
*picoCoulombs)
* and set the scalar value (total proton charge, microAmps*hours, on the
*sample)
*
* @param workspace :: Event workspace to set the proton charge on
*/
void LoadEventPreNexus::setProtonCharge(
DataObjects::EventWorkspace_sptr &workspace) {
if (this->proton_charge.empty()) // nothing to do
return;
Run &run = workspace->mutableRun();
// Add the proton charge entries.
TimeSeriesProperty<double> *log =
new TimeSeriesProperty<double>("proton_charge");
log->setUnits("picoCoulombs");
// Add the time and associated charge to the log
log->addValues(this->pulsetimes, this->proton_charge);
/// TODO set the units for the log
run.addLogData(log);
// Force re-integration
run.integrateProtonCharge();
double integ = run.getProtonCharge();
this->g_log.information() << "Total proton charge of " << integ
<< " microAmp*hours found by integrating.\n";
}
/**
* Check if the file is SNS text; load it if it is, return false otherwise.
* @return true if the file was a SNS style; false otherwise.
*/
bool LoadLog::LoadSNSText()
{
// Get the SNS-specific parameter
std::vector<std::string> names = getProperty("Names");
std::vector<std::string> units = getProperty("Units");
// Get the input workspace and retrieve run from workspace.
// the log file(s) will be loaded into the run object of the workspace
const MatrixWorkspace_sptr localWorkspace = getProperty("Workspace");
// open log file
std::ifstream inLogFile(m_filename.c_str());
// Get the first line
std::string aLine;
if (!Mantid::Kernel::Strings::extractToEOL(inLogFile,aLine))
return false;
std::vector<double> cols;
bool ret = SNSTextFormatColumns(aLine, cols);
// Any error?
if (!ret || cols.size() < 2)
return false;
size_t numCols = static_cast<size_t>(cols.size()-1);
if (names.size() != numCols)
throw std::invalid_argument("The Names parameter should have one fewer entry as the number of columns in a SNS-style text log file.");
if ((!units.empty()) && (units.size() != numCols))
throw std::invalid_argument("The Units parameter should have either 0 entries or one fewer entry as the number of columns in a SNS-style text log file.");
// Ok, create all the logs
std::vector<TimeSeriesProperty<double>*> props;
for(size_t i=0; i < numCols; i++)
{
TimeSeriesProperty<double>* p = new TimeSeriesProperty<double>(names[i]);
if (units.size() == numCols)
p->setUnits(units[i]);
props.push_back(p);
}
// Go back to start
inLogFile.seekg(0);
while(Mantid::Kernel::Strings::extractToEOL(inLogFile,aLine))
{
if (aLine.size() == 0)
break;
if (SNSTextFormatColumns(aLine, cols))
{
if (cols.size() == numCols+1)
{
DateAndTime time(cols[0], 0.0);
for(size_t i=0; i<numCols; i++)
props[i]->addValue(time, cols[i+1]);
}
else
throw std::runtime_error("Inconsistent number of columns while reading SNS-style text file.");
}
else
throw std::runtime_error("Error while reading columns in SNS-style text file.");
}
// Now add all the full logs to the workspace
for(size_t i=0; i < numCols; i++)
{
std::string name = props[i]->name();
if (localWorkspace->mutableRun().hasProperty(name))
{
localWorkspace->mutableRun().removeLogData(name);
g_log.information() << "Log data named " << name << " already existed and was overwritten.\n";
}
localWorkspace->mutableRun().addLogData(props[i]);
}
return true;
}