/**
* Load the instrument
* @param instrName :: Instrument name
*/
void ISISLiveEventDataListener::loadInstrument(const std::string &instrName) {
// try to load the instrument. if it doesn't load give a warning and carry on
if (instrName.empty()) {
g_log.warning() << "Unable to read instrument name from DAE." << std::endl;
return;
}
const char *warningMessage = "Failed to load instrument ";
try {
g_log.notice() << "Loading instrument " << instrName << " ... "
<< std::endl;
API::Algorithm_sptr alg =
API::AlgorithmFactory::Instance().create("LoadInstrument", -1);
alg->initialize();
alg->setPropertyValue("InstrumentName", instrName);
alg->setProperty("Workspace", m_eventBuffer[0]);
alg->setProperty("RewriteSpectraMap", Mantid::Kernel::OptionalBool(false));
alg->setChild(true);
alg->execute();
// check if the instrument was loaded
if (!alg->isExecuted()) {
g_log.warning() << warningMessage << instrName << std::endl;
}
g_log.notice() << "Instrument loaded." << std::endl;
} catch (std::exception &e) {
g_log.warning() << warningMessage << instrName << std::endl;
g_log.warning() << e.what() << instrName << std::endl;
}
}
ResultType performBinaryOpWithDouble(const LHSType inputWS, const double value,
const std::string &op,
const std::string &name, bool inplace,
bool reverse) {
std::string algoName = op;
// Create the single valued workspace first so that it is run as a top-level
// algorithm
// such that it's history can be recreated
API::Algorithm_sptr alg = API::AlgorithmManager::Instance().createUnmanaged(
"CreateSingleValuedWorkspace");
alg->setChild(false);
alg->initialize();
alg->setProperty<double>("DataValue", value);
const std::string tmp_name("__tmp_binary_operation_double");
alg->setPropertyValue("OutputWorkspace", tmp_name);
alg->execute();
MatrixWorkspace_sptr singleValue;
API::AnalysisDataServiceImpl &data_store =
API::AnalysisDataService::Instance();
if (alg->isExecuted()) {
singleValue = boost::dynamic_pointer_cast<API::MatrixWorkspace>(
data_store.retrieve(tmp_name));
} else {
throw std::runtime_error(
"performBinaryOp: Error in execution of CreateSingleValuedWorkspace");
}
// Call the function above with the signle-value workspace
ResultType result =
performBinaryOp<LHSType, MatrixWorkspace_sptr, ResultType>(
inputWS, singleValue, algoName, name, inplace, reverse);
// Delete the temporary
data_store.remove(tmp_name);
return result;
}
/** Executes the algorithm
*/
void FilterByTime2::exec() {
DataObjects::EventWorkspace_const_sptr inWS =
this->getProperty("InputWorkspace");
if (!inWS) {
g_log.error() << "Input is not EventWorkspace" << std::endl;
throw std::invalid_argument("Input is not EventWorksapce");
} else {
g_log.debug() << "DB5244 InputWorkspace Name = " << inWS->getName()
<< std::endl;
}
double starttime = this->getProperty("StartTime");
double stoptime = this->getProperty("StopTime");
std::string absstarttime = this->getProperty("AbsoluteStartTime");
std::string absstoptime = this->getProperty("AbsoluteStopTime");
std::string start, stop;
if ((absstarttime != "") && (absstoptime != "") && (starttime <= 0.0) &&
(stoptime <= 0.0)) {
// Use the absolute string
start = absstarttime;
stop = absstoptime;
} else if ((absstarttime != "" || absstoptime != "") &&
(starttime > 0.0 || stoptime > 0.0)) {
throw std::invalid_argument(
"It is not allowed to provide both absolute time and relative time.");
} else {
// Use second
std::stringstream ss;
ss << starttime;
start = ss.str();
std::stringstream ss2;
ss2 << stoptime;
stop = ss2.str();
}
// 1. Generate Filters
g_log.debug() << "\nDB441: About to generate Filter. StartTime = "
<< starttime << " StopTime = " << stoptime << std::endl;
API::Algorithm_sptr genfilter =
createChildAlgorithm("GenerateEventsFilter", 0.0, 20.0, true, 1);
genfilter->initialize();
genfilter->setPropertyValue("InputWorkspace", inWS->getName());
genfilter->setPropertyValue("OutputWorkspace", "FilterWS");
genfilter->setProperty("StartTime", start);
genfilter->setProperty("StopTime", stop);
genfilter->setProperty("UnitOfTime", "Seconds");
genfilter->setProperty("FastLog", false);
bool sucgen = genfilter->execute();
if (!sucgen) {
g_log.error() << "Unable to generate event filters" << std::endl;
throw std::runtime_error("Unable to generate event filters");
} else {
g_log.debug() << "Filters are generated. " << std::endl;
}
API::Workspace_sptr filterWS = genfilter->getProperty("OutputWorkspace");
if (!filterWS) {
g_log.error() << "Unable to retrieve generated SplittersWorkspace object "
"from AnalysisDataService." << std::endl;
throw std::runtime_error("Unable to retrieve Splittersworkspace. ");
}
// 2. Filter events
g_log.debug() << "\nAbout to filter events. "
<< "\n";
API::Algorithm_sptr filter =
createChildAlgorithm("FilterEvents", 20.0, 100.0, true, 1);
filter->initialize();
filter->setPropertyValue("InputWorkspace", inWS->getName());
filter->setPropertyValue("OutputWorkspaceBaseName", "ResultWS");
filter->setProperty("SplitterWorkspace", filterWS);
filter->setProperty("FilterByPulseTime", true);
bool sucfilt = filter->execute();
if (!sucfilt) {
g_log.error() << "Unable to filter events" << std::endl;
throw std::runtime_error("Unable to filter events");
} else {
g_log.debug() << "Filter events is successful. " << std::endl;
}
DataObjects::EventWorkspace_sptr optws =
filter->getProperty("OutputWorkspace_0");
this->setProperty("OutputWorkspace", optws);
}