/**
* Looks at each of the parameters, to see if they are default, and if they are,
* over-writes them
* with the values set in the instrument parameters (if they exist).
* @param instrument : Instrument on input workspace.
* @param ndims : Number of dimensions in output workspace.
*/
void BoxControllerSettingsAlgorithm::takeDefaultsFromInstrument(
Mantid::Geometry::Instrument_const_sptr instrument, const size_t ndims) {
const std::string splitThresholdName = "SplitThreshold";
const std::string splitIntoName = "SplitInto";
const std::string maxRecursionDepthName = "MaxRecursionDepth";
Property *p = getProperty(splitThresholdName);
if (p->isDefault()) {
std::vector<double> instrumentSplitThresholds =
instrument->getNumberParameter(splitThresholdName, true);
if (!instrumentSplitThresholds.empty()) {
setProperty(splitThresholdName,
static_cast<int>(instrumentSplitThresholds.front()));
}
}
p = getProperty(splitIntoName);
if (p->isDefault()) {
std::vector<double> instrumentSplitInto =
instrument->getNumberParameter(splitIntoName, true);
if (!instrumentSplitInto.empty()) {
const int splitInto = static_cast<int>(instrumentSplitInto.front());
std::vector<int> newSplitInto(ndims, splitInto);
setProperty(splitIntoName, newSplitInto);
}
}
p = getProperty(maxRecursionDepthName);
if (p->isDefault()) {
std::vector<double> instrumentMaxRecursionDepth =
instrument->getNumberParameter(maxRecursionDepthName, true);
if (!instrumentMaxRecursionDepth.empty()) {
setProperty(maxRecursionDepthName,
static_cast<int>(instrumentMaxRecursionDepth.front()));
}
}
}
double ReflectometryReductionOneAuto::checkForDefault(
std::string propName, Mantid::Geometry::Instrument_const_sptr instrument,
std::string idf_name) const {
auto algProperty = this->getPointerToProperty(propName);
if (algProperty->isDefault()) {
auto defaults = instrument->getNumberParameter(idf_name);
if (defaults.size() == 0) {
throw std::runtime_error("No data could be retrieved from the parameters "
"and argument wasn't provided: " +
propName);
}
return defaults[0];
} else {
return boost::lexical_cast<double, std::string>(algProperty->value());
}
}
/**
* Gets the eFixed value from the workspace using the instrument parameters.
*
* @param ws Pointer to the workspace
* @return eFixed value
*/
double IndirectTab::getEFixed(Mantid::API::MatrixWorkspace_sptr ws) {
Mantid::Geometry::Instrument_const_sptr inst = ws->getInstrument();
if (!inst)
throw std::runtime_error("No instrument on workspace");
// Try to get the parameter form the base instrument
if (inst->hasParameter("Efixed"))
return inst->getNumberParameter("Efixed")[0];
// Try to get it form the analyser component
if (inst->hasParameter("analyser")) {
std::string analyserName = inst->getStringParameter("analyser")[0];
auto analyserComp = inst->getComponentByName(analyserName);
if (analyserComp && analyserComp->hasParameter("Efixed"))
return analyserComp->getNumberParameter("Efixed")[0];
}
throw std::runtime_error("Instrument has no efixed parameter");
}
