Exemplo n.º 1
0
/** Execute the algorithm.
 */
void ConvertDiffCal::exec() {
  OffsetsWorkspace_const_sptr offsetsWS = getProperty("OffsetsWorkspace");

  // initial setup of new style config
  ITableWorkspace_sptr configWksp = boost::make_shared<TableWorkspace>();
  configWksp->addColumn("int", "detid");
  configWksp->addColumn("double", "difc");
  configWksp->addColumn("double", "difa");
  configWksp->addColumn("double", "tzero");

  // create values in the table
  const size_t numberOfSpectra = offsetsWS->getNumberHistograms();
  Progress progress(this, 0.0, 1.0, numberOfSpectra);

  for (size_t i = 0; i < numberOfSpectra; ++i) {
    API::TableRow newrow = configWksp->appendRow();
    newrow << static_cast<int>(getDetID(offsetsWS, i));
    newrow << calculateDIFC(offsetsWS, i);
    newrow << 0.; // difa
    newrow << 0.; // tzero

    progress.report();
  }

  // sort the results
  IAlgorithm_sptr sortTable = createChildAlgorithm("SortTableWorkspace");
  sortTable->setProperty("InputWorkspace", configWksp);
  sortTable->setProperty("OutputWorkspace", configWksp);
  sortTable->setPropertyValue("Columns", "detid");
  sortTable->executeAsChildAlg();

  // copy over the results
  configWksp = sortTable->getProperty("OutputWorkspace");
  setProperty("OutputWorkspace", configWksp);
}
Exemplo n.º 2
0
/**
 * Creates an output workspace from calculated and observed values
 *
 * This method creates a table workspace for an ILatticeFunction, containing
 * observed and calculated d-values for each HKL, as well as the difference
 * between those two values.
 *
 * @param baseName :: Basename for output workspace.
 * @param function :: An ILatticeFunction
 * @param domain :: Pointer to LatticeDomain instance.
 * @param values :: Pointer to FunctionValues instance.
 * @param outputWorkspacePropertyName :: Name of output workspace property.
 * @return TableWorkspace with calculated and observed d-values.
 */
Workspace_sptr LatticeDomainCreator::createOutputWorkspace(
    const std::string &baseName, IFunction_sptr function,
    boost::shared_ptr<FunctionDomain> domain,
    boost::shared_ptr<FunctionValues> values,
    const std::string &outputWorkspacePropertyName) {

  boost::shared_ptr<LatticeDomain> latticeDomain =
      boost::dynamic_pointer_cast<LatticeDomain>(domain);
  if (!latticeDomain) {
    throw std::invalid_argument("LatticeDomain is required.");
  }

  ILatticeFunction_sptr latticeFunction =
      boost::dynamic_pointer_cast<ILatticeFunction>(function);
  if (!latticeFunction) {
    throw std::invalid_argument(
        "LatticeDomainCreator can only process ILatticeFunction.");
  }

  // Calculate function values again.
  latticeFunction->functionLattice(*latticeDomain, *values);

  ITableWorkspace_sptr tableWorkspace =
      WorkspaceFactory::Instance().createTable();

  if (tableWorkspace) {
    tableWorkspace->addColumn("V3D", "HKL");
    tableWorkspace->addColumn("double", "d(obs)");
    tableWorkspace->addColumn("double", "d(calc)");
    tableWorkspace->addColumn("double", "d(obs) - d(calc)");

    for (size_t i = 0; i < values->size(); ++i) {
      double dObs = values->getFitData(i);
      double dCalc = values->getCalculated(i);

      TableRow newRow = tableWorkspace->appendRow();
      newRow << (*latticeDomain)[i] << dObs << dCalc << dObs - dCalc;
    }
  }

  if (m_manager && !outputWorkspacePropertyName.empty()) {
    declareProperty(
        new WorkspaceProperty<ITableWorkspace>(outputWorkspacePropertyName, "",
                                               Kernel::Direction::Output),
        "Result workspace");

    m_manager->setPropertyValue(outputWorkspacePropertyName,
                                baseName + "Workspace");
    m_manager->setProperty(outputWorkspacePropertyName, tableWorkspace);
  }

  return tableWorkspace;
}
Exemplo n.º 3
0
/// Returns a TableWorkspace with refined cell parameters and error.
ITableWorkspace_sptr PoldiFitPeaks2D::getRefinedCellParameters(
    const IFunction_sptr &fitFunction) const {
  Poldi2DFunction_sptr poldi2DFunction =
      boost::dynamic_pointer_cast<Poldi2DFunction>(fitFunction);

  if (!poldi2DFunction || poldi2DFunction->nFunctions() < 1) {
    throw std::invalid_argument(
        "Cannot process function that is not a Poldi2DFunction.");
  }

  // Create a new table for lattice parameters
  ITableWorkspace_sptr latticeParameterTable =
      WorkspaceFactory::Instance().createTable();

  latticeParameterTable->addColumn("str", "Parameter");
  latticeParameterTable->addColumn("double", "Value");
  latticeParameterTable->addColumn("double", "Error");

  // The first function should be PoldiSpectrumPawleyFunction
  boost::shared_ptr<PoldiSpectrumPawleyFunction> poldiPawleyFunction =
      boost::dynamic_pointer_cast<PoldiSpectrumPawleyFunction>(
          poldi2DFunction->getFunction(0));

  if (!poldiPawleyFunction) {
    throw std::invalid_argument("First function in Poldi2DFunction is not "
                                "PoldiSpectrumPawleyFunction.");
  }

  // Get the actual PawleyFunction to extract parameters.
  IPawleyFunction_sptr pawleyFunction =
      boost::dynamic_pointer_cast<IPawleyFunction>(
          poldiPawleyFunction->getDecoratedFunction());

  if (pawleyFunction) {
    CompositeFunction_sptr pawleyParts =
        boost::dynamic_pointer_cast<CompositeFunction>(
            pawleyFunction->getDecoratedFunction());

    // The first function in PawleyFunction contains the parameters
    IFunction_sptr pawleyParameters = pawleyParts->getFunction(0);

    for (size_t i = 0; i < pawleyParameters->nParams(); ++i) {
      TableRow newRow = latticeParameterTable->appendRow();
      newRow << pawleyParameters->parameterName(i)
             << pawleyParameters->getParameter(i)
             << pawleyParameters->getError(i);
    }
  }

  return latticeParameterTable;
}
Exemplo n.º 4
0
/// Execute
void EstimatePeakErrors::exec() {

  IFunction_sptr function = getProperty("Function");

  ITableWorkspace_sptr results =
      WorkspaceFactory::Instance().createTable("TableWorkspace");
  results->addColumn("str", "Parameter");
  results->addColumn("double", "Value");
  results->addColumn("double", "Error");

  auto matrix = function->getCovarianceMatrix();
  if (!matrix) {
    g_log.warning() << "Function doesn't have covariance matrix.\n";
    setProperty("OutputWorkspace", results);
    return;
  }

  IPeakFunction *peak = dynamic_cast<IPeakFunction *>(function.get());

  if (peak) {
    GSLMatrix covariance(*matrix);
    calculatePeakValues(*peak, *results, covariance, "");
  } else {
    CompositeFunction *cf = dynamic_cast<CompositeFunction *>(function.get());
    if (cf) {
      size_t ip = 0;
      for (size_t i = 0; i < cf->nFunctions(); ++i) {
        IFunction *fun = cf->getFunction(i).get();
        size_t np = fun->nParams();
        peak = dynamic_cast<IPeakFunction *>(fun);
        if (peak) {
          std::string prefix = "f" + std::to_string(i) + ".";
          GSLMatrix covariance(*matrix, ip, ip, np, np);
          calculatePeakValues(*peak, *results, covariance, prefix);
        }
        ip += np;
      }
    } else {
      g_log.warning() << "Function has no peaks.\n";
    }
  }

  setProperty("OutputWorkspace", results);
}
Exemplo n.º 5
0
ITableWorkspace_sptr ALCBaselineModellingModel::exportSections() {
  if (!m_sections.empty()) {

    ITableWorkspace_sptr table =
        WorkspaceFactory::Instance().createTable("TableWorkspace");

    table->addColumn("double", "Start X");
    table->addColumn("double", "End X");

    for (auto it = m_sections.begin(); it != m_sections.end(); ++it) {
      TableRow newRow = table->appendRow();
      newRow << it->first << it->second;
    }

    return table;

  } else {

    return ITableWorkspace_sptr();
  }
}
Exemplo n.º 6
0
/** Creates grouping table from supplied forward and backward spectra
* @param fwd :: [Input] Forward spectra
* @param bwd :: [Input] Backward spectra
* @return :: Workspace containing custom grouping
*/
Workspace_sptr
PlotAsymmetryByLogValue::createCustomGrouping(const std::vector<int> &fwd,
                                              const std::vector<int> &bwd) {

  ITableWorkspace_sptr group =
      WorkspaceFactory::Instance().createTable("TableWorkspace");
  group->addColumn("vector_int", "group");
  TableRow row = group->appendRow();
  row << fwd;
  row = group->appendRow();
  row << bwd;

  return boost::dynamic_pointer_cast<Workspace>(group);
}
/** Execute the algorithm.
 */
void CreateChunkingFromInstrument::exec() {
  // get the instrument
  Instrument_const_sptr inst = this->getInstrument();

  // setup the output workspace
  ITableWorkspace_sptr strategy =
      WorkspaceFactory::Instance().createTable("TableWorkspace");
  strategy->addColumn("str", "BankName");
  this->setProperty("OutputWorkspace", strategy);

  // get the correct level of grouping
  string groupLevel = this->getPropertyValue(PARAM_CHUNK_BY);
  vector<string> groupNames =
      getGroupNames(this->getPropertyValue(PARAM_CHUNK_NAMES));
  if (groupLevel.compare("All") == 0) {
    return; // nothing to do
  } else if (inst->getName().compare("SNAP") == 0 &&
             groupLevel.compare("Group") == 0) {
    groupNames.clear();
    groupNames.push_back("East");
    groupNames.push_back("West");
  }

  // set up a progress bar with the "correct" number of steps
  int maxBankNum = this->getProperty(PARAM_MAX_BANK_NUM);
  Progress progress(this, .2, 1., maxBankNum);

  // search the instrument for the bank names
  int maxRecurseDepth = this->getProperty(PARAM_MAX_RECURSE);
  map<string, vector<string>> grouping;
  // cppcheck-suppress syntaxError
    PRAGMA_OMP(parallel for schedule(dynamic, 1) )
    for (int num = 0; num < maxBankNum; ++num) {
      PARALLEL_START_INTERUPT_REGION
      ostringstream mess;
      mess << "bank" << num;
      IComponent_const_sptr comp =
          inst->getComponentByName(mess.str(), maxRecurseDepth);
      PARALLEL_CRITICAL(grouping)
      if (comp) {
        // get the name of the correct parent
        string parent;
        if (groupNames.empty()) {
          parent = parentName(comp, groupLevel);
        } else {
          parent = parentName(comp, groupNames);
        }

        // add it to the correct chunk
        if (!parent.empty()) {
          if (grouping.count(parent) == 0)
            grouping[parent] = vector<string>();

          grouping[parent].push_back(comp->getName());
        }
      }
      progress.report();
      PARALLEL_END_INTERUPT_REGION
    }
    PARALLEL_CHECK_INTERUPT_REGION

    // check to see that something happened
    if (grouping.empty())
      throw std::runtime_error("Failed to find any banks in the instrument");

    // fill in the table workspace
    for (auto group = grouping.begin(); group != grouping.end(); ++group) {
      stringstream banks;
      for (auto bank = group->second.begin(); bank != group->second.end();
           ++bank)
        banks << (*bank) << ",";

      // remove the trailing comma
      string banksStr = banks.str();
      banksStr = banksStr.substr(0, banksStr.size() - 1);

      // add it to the table
      TableRow row = strategy->appendRow();
      row << banksStr;
    }
}
Exemplo n.º 8
0
/**
*   Executes the algorithm.
*/
void LoadTBL::exec() {
  std::string filename = getProperty("Filename");
  std::ifstream file(filename.c_str());
  if (!file) {
    throw Exception::FileError("Unable to open file: ", filename);
  }
  std::string line;

  ITableWorkspace_sptr ws = WorkspaceFactory::Instance().createTable();

  std::vector<std::string> columnHeadings;

  Kernel::Strings::extractToEOL(file, line);
  // We want to check if the first line contains an empty string or series of
  // ",,,,,"
  // to see if we are loading a TBL file that actually contains data or not.
  boost::split(columnHeadings, line, boost::is_any_of(","),
               boost::token_compress_off);
  for (auto entry = columnHeadings.begin(); entry != columnHeadings.end();) {
    if (entry->empty()) {
      // erase the empty values
      entry = columnHeadings.erase(entry);
    } else {
      // keep any non-empty values
      ++entry;
    }
  }
  if (columnHeadings.empty()) {
    // we have an empty string or series of ",,,,,"
    throw std::runtime_error("The file you are trying to load is Empty. \n "
                             "Please load a non-empty TBL file");
  } else {
    // set columns back to empty ready to populated with columnHeadings.
    columnHeadings.clear();
  }
  // this will tell us if we need to just fill in the cell values
  // or whether we will have to create the column headings as well.
  bool isOld = getColumnHeadings(line, columnHeadings);

  std::vector<std::string> rowVec;
  if (isOld) {
    /**THIS IS ESSENTIALLY THE OLD LoadReflTBL CODE**/
    // create the column headings
    auto colStitch = ws->addColumn("str", "StitchGroup");
    auto colRuns = ws->addColumn("str", "Run(s)");
    auto colTheta = ws->addColumn("str", "ThetaIn");
    auto colTrans = ws->addColumn("str", "TransRun(s)");
    auto colQmin = ws->addColumn("str", "Qmin");
    auto colQmax = ws->addColumn("str", "Qmax");
    auto colDqq = ws->addColumn("str", "dq/q");
    auto colScale = ws->addColumn("str", "Scale");
    auto colOptions = ws->addColumn("str", "Options");
    auto colHiddenOptions = ws->addColumn("str", "HiddenOptions");

    for (size_t i = 0; i < ws->columnCount(); i++) {
      auto col = ws->getColumn(i);
      col->setPlotType(0);
    }

    // we are using the old ReflTBL format
    // where all of the entries are on one line
    // so we must reset the stream to reread the first line.
    std::ifstream file(filename.c_str());
    if (!file) {
      throw Exception::FileError("Unable to open file: ", filename);
    }
    std::string line;
    int stitchID = 1;
    while (Kernel::Strings::extractToEOL(file, line)) {
      if (line.empty() || line == ",,,,,,,,,,,,,,,,") {
        continue;
      }
      getCells(line, rowVec, 16, isOld);
      const std::string scaleStr = rowVec.at(16);
      const std::string stitchStr = boost::lexical_cast<std::string>(stitchID);

      // check if the first run in the row has any data associated with it
      // 0 = runs, 1 = theta, 2 = trans, 3 = qmin, 4 = qmax
      if (!rowVec[0].empty() || !rowVec[1].empty() || !rowVec[2].empty() ||
          !rowVec[3].empty() || !rowVec[4].empty()) {
        TableRow row = ws->appendRow();
        row << stitchStr;
        for (int i = 0; i < 5; ++i) {
          row << rowVec.at(i);
        }
        row << rowVec.at(15);
        row << scaleStr;
      }

      // check if the second run in the row has any data associated with it
      // 5 = runs, 6 = theta, 7 = trans, 8 = qmin, 9 = qmax
      if (!rowVec[5].empty() || !rowVec[6].empty() || !rowVec[7].empty() ||
          !rowVec[8].empty() || !rowVec[9].empty()) {
        TableRow row = ws->appendRow();
        row << stitchStr;
        for (int i = 5; i < 10; ++i) {
          row << rowVec.at(i);
        }
        row << rowVec.at(15);
        row << scaleStr;
      }

      // check if the third run in the row has any data associated with it
      // 10 = runs, 11 = theta, 12 = trans, 13 = qmin, 14 = qmax
      if (!rowVec[10].empty() || !rowVec[11].empty() || !rowVec[12].empty() ||
          !rowVec[13].empty() || !rowVec[14].empty()) {
        TableRow row = ws->appendRow();
        row << stitchStr;
        for (int i = 10; i < 17; ++i) {
          if (i == 16)
            row << scaleStr;
          else
            row << rowVec.at(i);
        }
      }
      ++stitchID;
      setProperty("OutputWorkspace", ws);
    }

  } else {
    // we have a TBL format that contains column headings
    // on the first row. These are now entries in the columns vector
    if (!columnHeadings.empty()) {
      // now we need to add the custom column headings from
      // the columns vector to the TableWorkspace
      for (auto heading = columnHeadings.begin();
           heading != columnHeadings.end();) {
        if (heading->empty()) {
          // there is no need to have empty column headings.
          heading = columnHeadings.erase(heading);
        } else {
          Mantid::API::Column_sptr col;
          col = ws->addColumn("str", *heading);
          col->setPlotType(0);
          heading++;
        }
      }
    }
    size_t expectedCommas = columnHeadings.size() - 1;
    while (Kernel::Strings::extractToEOL(file, line)) {
      if (line.empty() || line == ",,,,,,,,,,,,,,,,") {
        // skip over any empty lines
        continue;
      }
      getCells(line, rowVec, columnHeadings.size() - 1, isOld);
      // populate the columns with their values for this row.
      TableRow row = ws->appendRow();
      for (size_t i = 0; i < expectedCommas + 1; ++i) {
        row << rowVec.at(i);
      }
    }
    setProperty("OutputWorkspace", ws);
  }
}
Exemplo n.º 9
0
//----------------------------------------------------------------------------------------------
/// Run the algorithm
void QueryMDWorkspace::exec() {
    // Extract the required normalisation.
    std::string strNormalisation = getPropertyValue("Normalisation");
    MDNormalization requestedNormalisation = whichNormalisation(strNormalisation);

    IMDWorkspace_sptr input = getProperty("InputWorkspace");

    const bool transformCoordsToOriginal = getProperty("TransformCoordsToOriginal");

    // Define a table workspace with a specific column schema.
    ITableWorkspace_sptr output = WorkspaceFactory::Instance().createTable();
    const std::string signalColumnName = "Signal/" + strNormalisation;
    const std::string errorColumnName = "Error/" + strNormalisation;
    output->addColumn("double", signalColumnName);
    output->addColumn("double", errorColumnName);
    output->addColumn("int", "Number of Events");

    const size_t ndims = input->getNumDims();
    for (size_t index = 0; index < ndims; ++index) {
        Mantid::Geometry::IMDDimension_const_sptr dim = input->getDimension(index);
        std::string dimInUnit = dim->getName() + "/" + dim->getUnits().ascii();
        output->addColumn("double", dimInUnit);
        // Magic numbers required to configure the X axis.
        output->getColumn(dimInUnit)->setPlotType(1);
    }

    // Magic numbers required to configure the Y axis.
    output->getColumn(signalColumnName)->setPlotType(2);
    output->getColumn(errorColumnName)->setPlotType(5);

    IMDIterator *it = input->createIterator();
    it->setNormalization(requestedNormalisation);

    bool bLimitRows = getProperty("LimitRows");
    int maxRows = 0;
    if (bLimitRows) {
        maxRows = getProperty("MaximumRows");
    }

    // Use the iterator to loop through each MDBoxBase and create a row for each
    // entry.
    int rowCounter = 0;

    Progress progress(this, 0, 1, int64_t(input->getNPoints()));
    while (true) {
        size_t cellIndex = 0;
        output->appendRow();
        output->cell<double>(rowCounter, cellIndex++) = it->getNormalizedSignal();
        output->cell<double>(rowCounter, cellIndex++) = it->getNormalizedError();
        output->cell<int>(rowCounter, cellIndex++) = int(it->getNumEvents());
        VMD center = it->getCenter();
        const size_t numberOriginal = input->getNumberTransformsToOriginal();
        if (transformCoordsToOriginal && numberOriginal > 0) {
            const size_t index = numberOriginal - 1;
            CoordTransform const *transform = input->getTransformToOriginal(index);
            VMD temp = transform->applyVMD(center);
            center = temp;
        }

        for (size_t index = 0; index < ndims; ++index) {
            output->cell<double>(rowCounter, cellIndex++) = center[index];
        }

        progress.report();
        if (!it->next() || (bLimitRows && ((rowCounter + 1) >= maxRows))) {
            break;
        }
        rowCounter++;
    }
    setProperty("OutputWorkspace", output);
    delete it;

    //
    IMDEventWorkspace_sptr mdew;
    CALL_MDEVENT_FUNCTION(this->getBoxData, input);
}
Exemplo n.º 10
0
void QueryMDWorkspace::getBoxData(
    typename Mantid::DataObjects::MDEventWorkspace<MDE, nd>::sptr ws) {
    if (this->getPropertyValue("BoxDataTable").empty())
        return;

    ITableWorkspace_sptr output = WorkspaceFactory::Instance().createTable();
    output->addColumn("int", "RecursionDepth");
    output->addColumn("int", "NumBoxes");
    output->addColumn("int", "NumWithEvents");
    output->addColumn("double", "PctWithEvents");
    output->addColumn("int", "TotalEvents");
    output->addColumn("double", "AvgEventsPer");
    output->addColumn("double", "TotalWeight");
    output->addColumn("double", "TotalSignal");
    output->addColumn("double", "TotalErrorSquared");
    for (size_t d = 0; d < nd; d++)
        output->addColumn("double", "Dim" + Strings::toString(d));

    size_t depth = ws->getBoxController()->getMaxDepth() + 1;
    std::vector<int> NumBoxes(depth, 0);
    std::vector<int> NumWithEvents(depth, 0);
    std::vector<int> TotalEvents(depth, 0);
    std::vector<double> TotalWeight(depth, 0);
    std::vector<double> TotalSignal(depth, 0);
    std::vector<double> TotalErrorSquared(depth, 0);
    std::vector<std::vector<double>> Dims(depth, std::vector<double>(nd, 0.0));

    std::vector<API::IMDNode *> boxes;
    ws->getBox()->getBoxes(boxes, depth, true);
    for (size_t i = 0; i < boxes.size(); i++) {
        MDBoxBase<MDE, nd> *box = dynamic_cast<MDBoxBase<MDE, nd> *>(boxes[i]);
        if (!box)
            throw(std::runtime_error("Can not cast IMDNode to any type of boxes"));
        size_t d = box->getDepth();
        NumBoxes[d] += 1;
        if (box->getNPoints() > 0)
            NumWithEvents[d] += 1;
        TotalEvents[d] += static_cast<int>(box->getNPoints());
        TotalWeight[d] += box->getTotalWeight();
        TotalSignal[d] += box->getSignal();
        TotalErrorSquared[d] += box->getErrorSquared();
        for (size_t dim = 0; dim < nd; dim++)
            Dims[d][dim] = double(box->getExtents(dim).getSize());
    }

    int rowCounter = 0;
    for (size_t d = 0; d < depth; d++) {
        int col = 0;
        output->appendRow();
        output->cell<int>(rowCounter, col++) = int(d);
        output->cell<int>(rowCounter, col++) = NumBoxes[d];
        output->cell<int>(rowCounter, col++) = NumWithEvents[d];
        output->cell<double>(rowCounter, col++) =
            100.0 * double(NumWithEvents[d]) / double(NumBoxes[d]);
        output->cell<int>(rowCounter, col++) = TotalEvents[d];
        output->cell<double>(rowCounter, col++) =
            double(TotalEvents[d]) / double(NumBoxes[d]);
        output->cell<double>(rowCounter, col++) = TotalWeight[d];
        output->cell<double>(rowCounter, col++) = TotalSignal[d];
        output->cell<double>(rowCounter, col++) = TotalErrorSquared[d];
        for (size_t dim = 0; dim < nd; dim++)
            output->cell<double>(rowCounter, col++) = Dims[d][dim];
        rowCounter++;
    }

    setProperty("BoxDataTable", output);
}
Exemplo n.º 11
0
/**
 * Loads a tomography parameterization file into a newly created table
 * workspace. The file must have the following syntax:
 *
 * @verbatim
 <NXentry name="entry1">
   <NXprocess name="processing">
     <NXnote name="id">
       <values id="ID VALUE" params="..." name="..." cite="...">
       </values>
     </NXnote>
   </NXprocess>
 </NXentry>
@endverbatim
 *
 * @param fname name of the parameterization file
 * @param wsName name of workspace where to load the file data
 *
 * @return table workspace with parameters (plugins) found in the
 * loaded file
 */
ITableWorkspace_sptr LoadSavuTomoConfig::loadFile(std::string& fname,
                                              std::string& wsName) {
  // Throws an exception if there is a problem with file access
  //Mantid::NeXus::NXRoot root(fname);
  boost::shared_ptr<NeXus::File> f;
  if (!checkOpenFile(fname, f)) {
    throw std::runtime_error(
        "Failed to recognize this file as a NeXus file, cannot continue.");
  }

  ITableWorkspace_sptr ws =
    API::WorkspaceFactory::Instance().createTable();
  if (!ws)
    throw std::runtime_error("Could not create TableWorkspace for "
                             "workspace with name '" + wsName + "'");

  // init workspace
  ws->setTitle("Table with tomography parameters from file " +
               fname);
  ws->addColumn("str", "ID");
  ws->addColumn("str", "Parameters");
  ws->addColumn("str", "Name");
  ws->addColumn("str", "Cite");

  // a bit of file consistency check, check at least there's a
  // 'entry1'
  // it could be more strict and demand entries.size()==1
  std::map<std::string, std::string> entries = f->getEntries();
  std::string mainEntryName = "entry";
  auto it = entries.find(mainEntryName);
  if (entries.end() == it) {
    throw std::runtime_error("Could not find the '" + mainEntryName + "' "
      "entry. Even though this file looks like a valid NeXus file, it is "
      "not in the correct format for tomography reconstruction "
      "parameterization files.");
  }

  // go through the input file plugin entries
  f->openGroup(mainEntryName, "NXentry");
  f->openGroup("process", "NXprocess");
  size_t pluginsLen = f->getEntries().size();
  for (size_t j=0; j<pluginsLen; j++) {
    API::TableRow table = ws->appendRow();

    std::string entryIdx = boost::lexical_cast<std::string>(j);
    try {
      f->openGroup(entryIdx, "NXnote");
    } catch(NeXus::Exception &e) {
      // detailed NeXus error message and throw...
      g_log.error() << "Failed to load plugin '" << j << "' from"
        "NeXus file. Error description: " << e.what() << std::endl;
      throw std::runtime_error("Could not load one or more plugin "
        "entries from the tomographic reconstruction parameterization "
        "file. Please check that the file is correct.");
    }

    // TODO: check final 'schema', get these 4 fields from the file
    std::string id = "";
    std::string params = "";
    std::string name = "";
    std::string cite = "";
    try {
      f->readData("data", params);
      f->readData("id", id);
      f->readData("name", name);
      // cite not available for now
      // f->readData("cite", cite);
      // This might be extended to an NXcite group that would be included
      // not here but inside an "intermediate" NXcollection group. That
      // NXcite would have 4 arrays: description, doi, endnote, bibtex.
      // But this is what we have so far.
      cite = "Not available";
    } catch(NeXus::Exception &e) {
      // permissive, just error message but carry on
      g_log.warning() << "Failed to read some fields in tomographic "
        "reconstruction plugin line. The file seems to be wrong. Error "
        "description: " << e.what() << std::endl;
    }

    table << id << params << name << cite;
    f->closeGroup();
    progress(static_cast<double>(j)/static_cast<double>(pluginsLen));
  }
  f->close();

  return ws;
}
Exemplo n.º 12
0
    /** 
    *   Executes the algorithm
    */
    void PlotPeakByLogValue::exec()
    {

      // Create a list of the input workspace
      const std::vector<InputData> wsNames = makeNames();

      std::string fun = getPropertyValue("Function");
      //int wi = getProperty("WorkspaceIndex");
      std::string logName = getProperty("LogValue");
      bool sequential = getPropertyValue("FitType") == "Sequential";

      bool isDataName = false; // if true first output column is of type string and is the data source name
      ITableWorkspace_sptr result = WorkspaceFactory::Instance().createTable("TableWorkspace");
      if (logName == "SourceName")
      {
        result->addColumn("str","Source name");
        isDataName = true;
      }
      else if (logName.empty())
      {
        result->addColumn("double","axis-1");
      }
      else
      {
        result->addColumn("double",logName);
      }
      // Create an instance of the fitting function to obtain the names of fitting parameters
      IFitFunction* ifun = FunctionFactory::Instance().createInitialized(fun);
      if (!ifun)
      {
        throw std::invalid_argument("Fitting function failed to initialize");
      }
      for(size_t iPar=0;iPar<ifun->nParams();++iPar)
      {
        result->addColumn("double",ifun->parameterName(iPar));
        result->addColumn("double",ifun->parameterName(iPar)+"_Err");
      }
      result->addColumn("double","Chi_squared");
      delete ifun;
      setProperty("OutputWorkspace",result);

      double dProg = 1./static_cast<double>(wsNames.size());
      double Prog = 0.;
      for(int i=0;i<static_cast<int>(wsNames.size());++i)
      {
        InputData data = getWorkspace(wsNames[i]);

        if (!data.ws)
        {
          g_log.warning() << "Cannot access workspace " << wsNames[i].name << '\n';
          continue;
        }

        if (data.i < 0 && data.indx.empty())
        {
          g_log.warning() << "Zero spectra selected for fitting in workspace " << wsNames[i].name << '\n';
          continue;
        }

        int j,jend;
        if (data.i >= 0)
        {
          j = data.i;
          jend = j + 1;
        }
        else
        {// no need to check data.indx.empty()
          j = data.indx.front();
          jend = data.indx.back() + 1;
        }

        dProg /= abs(jend - j);
        for(;j < jend;++j)
        {

          // Find the log value: it is either a log-file value or simply the workspace number
          double logValue;
          if (logName.empty())
          {
            API::Axis* axis = data.ws->getAxis(1);
            logValue = (*axis)(j);
          }
          else if (logName != "SourceName")
          {
            Kernel::Property* prop = data.ws->run().getLogData(logName);
            if (!prop)
            {
              throw std::invalid_argument("Log value "+logName+" does not exist");
            }
            TimeSeriesProperty<double>* logp = 
              dynamic_cast<TimeSeriesProperty<double>*>(prop); 
            logValue = logp->lastValue();
          }

          std::string resFun = fun;
          std::vector<double> errors;
          double chi2;

          try
          {
            // Fit the function
            API::IAlgorithm_sptr fit = createSubAlgorithm("Fit");
            fit->initialize();
            fit->setProperty("InputWorkspace",data.ws);
            //fit->setPropertyValue("InputWorkspace",data.ws->getName());
            fit->setProperty("WorkspaceIndex",j);
            fit->setPropertyValue("Function",fun);
            fit->setPropertyValue("StartX",getPropertyValue("StartX"));
            fit->setPropertyValue("EndX",getPropertyValue("EndX"));
            fit->setPropertyValue("Minimizer",getPropertyValue("Minimizer"));
            fit->setPropertyValue("CostFunction",getPropertyValue("CostFunction"));
            fit->execute();
            resFun = fit->getPropertyValue("Function");
            errors = fit->getProperty("Errors");
            chi2 = fit->getProperty("OutputChi2overDoF");
          }
          catch(...)
          {
            g_log.error("Error in Fit subalgorithm");
            throw;
          }

          if (sequential)
          {
            fun = resFun;
          }

          // Extract the fitted parameters and put them into the result table
          TableRow row = result->appendRow();
          if (isDataName)
          {
            row << wsNames[i].name;
          }
          else
          {
            row << logValue;
          }
          ifun = FunctionFactory::Instance().createInitialized(resFun);
          for(size_t iPar=0;iPar<ifun->nParams();++iPar)
          {
            row << ifun->getParameter(iPar) << errors[iPar];
          }
          row << chi2;
          delete ifun;
          Prog += dProg;
          progress(Prog);
          interruption_point();
        } // for(;j < jend;++j)
      }
    }
Exemplo n.º 13
0
Workspace_sptr GeneralDomainCreator::createOutputWorkspace(
    const std::string &baseName, IFunction_sptr function,
    boost::shared_ptr<FunctionDomain> domain,
    boost::shared_ptr<FunctionValues> values,
    const std::string &outputWorkspacePropertyName) {
  if (function->getValuesSize(*domain) != values->size()) {
    throw std::runtime_error("Failed to create output workspace: domain and "
                             "values object don't match.");
  }
  size_t rowCount = domain->size();
  if (rowCount == 0) {
    auto &generalFunction = dynamic_cast<IFunctionGeneral &>(*function);
    rowCount = generalFunction.getDefaultDomainSize();
  }

  ITableWorkspace_sptr outputWorkspace;

  auto inputWorkspace = getInputWorkspace();
  // Clone the data and domain columns from inputWorkspace to outputWorkspace.
  if (inputWorkspace) {
    // Collect the names of columns to clone
    std::vector<std::string> columnsToClone;
    for (auto &propName : m_domainColumnNames) {
      auto columnName = m_manager->getPropertyValue(propName);
      columnsToClone.push_back(columnName);
    }
    for (auto &propName : m_dataColumnNames) {
      auto columnName = m_manager->getPropertyValue(propName);
      columnsToClone.push_back(columnName);
    }
    outputWorkspace = inputWorkspace->cloneColumns(columnsToClone);
    if (rowCount != outputWorkspace->rowCount()) {
      throw std::runtime_error("Cloned workspace has wrong number of rows.");
    }

    // Add columns with the calculated data
    size_t i0 = 0;
    for (auto &propName : m_dataColumnNames) {
      auto dataColumnName = m_manager->getPropertyValue(propName);
      auto calcColumnName = dataColumnName + "_calc";
      auto column = outputWorkspace->addColumn("double", calcColumnName);
      for (size_t row = 0; row < rowCount; ++row) {
        auto value = values->getCalculated(i0 + row);
        column->fromDouble(row, value);
      }
      i0 += rowCount;
    }
  } else {
    outputWorkspace = API::WorkspaceFactory::Instance().createTable();
    outputWorkspace->setRowCount(rowCount);
    size_t i0 = 0;
    for (auto &propName : m_dataColumnNames) {
      auto calcColumnName = m_manager->getPropertyValue(propName);
      if (calcColumnName.empty()) {
        calcColumnName = propName;
      }
      auto column = outputWorkspace->addColumn("double", calcColumnName);
      for (size_t row = 0; row < rowCount; ++row) {
        auto value = values->getCalculated(i0 + row);
        column->fromDouble(row, value);
      }
      i0 += rowCount;
    }
  }

  if (!outputWorkspacePropertyName.empty()) {
    declareProperty(
        new API::WorkspaceProperty<API::ITableWorkspace>(
            outputWorkspacePropertyName, "", Kernel::Direction::Output),
        "Name of the output Workspace holding resulting simulated values");
    m_manager->setPropertyValue(outputWorkspacePropertyName,
                                baseName + "Workspace");
    m_manager->setProperty(outputWorkspacePropertyName, outputWorkspace);
  }

  return outputWorkspace;
}
Exemplo n.º 14
0
/** Executes the algorithm. Reading in the file and creating and populating
 *  the output workspace
 *
 *  @throw Exception::FileError If the Nexus file cannot be found/opened
 *  @throw std::invalid_argument If the optional properties are set to invalid values
 */
void PoldiLoadIPP::exec()
{



	////////////////////////////////////////////////////////////////////////
	// About the workspace
	////////////////////////////////////////////////////////////////////////

	DataObjects::Workspace2D_sptr localWorkspace = this->getProperty("InputWorkspace");


	////////////////////////////////////////////////////////////////////////
	// Load the data into the workspace
	////////////////////////////////////////////////////////////////////////


	try
	{
		ITableWorkspace_sptr outputws = WorkspaceFactory::Instance().createTable();

		outputws->addColumn("str","param");
		outputws->addColumn("str","unit");
		outputws->addColumn("double","value");


		Geometry::Instrument_const_sptr inst = localWorkspace->getInstrument();


		double distChopSampl = localWorkspace->getInstrument()->getNumberParameter("dist-chopper-sample")[0];
		g_log.debug() << "_poldi : param " <<  "dist-chopper-sample" << " : " << distChopSampl  << std::endl;
		TableRow t0 = outputws->appendRow();
		t0 << "dist-chopper-sample" << "[mm]" << distChopSampl ;

		double distSamplDet  = localWorkspace->getInstrument()->getNumberParameter("dist-sample-detector")[0];
		g_log.debug() << "_poldi : param " <<  "dist-sample-detector" << " : " << distSamplDet  << std::endl;
		TableRow t1 = outputws->appendRow();
		t1 << "dist-sample-detector" << "[mm]" << distSamplDet ;

		double x0det         = localWorkspace->getInstrument()->getNumberParameter("x0det")[0];
		g_log.debug() << "_poldi : param " <<  "x0det" << " : " << x0det  << std::endl;
		TableRow t2 = outputws->appendRow();
		t2 << "x0det" << "[mm]" << x0det ;

		double y0det         = localWorkspace->getInstrument()->getNumberParameter("y0det")[0];
		g_log.debug() << "_poldi : param " <<  "y0det" << " : " << y0det  << std::endl;
		TableRow t3 = outputws->appendRow();
		t3 << "y0det" << "[mm]" << y0det ;

		double twotheta      = localWorkspace->getInstrument()->getNumberParameter("twothet")[0];
		g_log.debug() << "_poldi : param " <<  "twothet" << " : " << twotheta  << std::endl;
		TableRow t4 = outputws->appendRow();
		t4 << "twothet" << "[deg]" << twotheta ;

		double tps0            = localWorkspace->getInstrument()->getNumberParameter("t0")[0];
		g_log.debug() << "_poldi : param " <<  "t0" << " : " << tps0  << std::endl;
		TableRow t5 = outputws->appendRow();
		t5 << "t0" << "[mysec]" << tps0 ;

		double tcycle        = localWorkspace->getInstrument()->getNumberParameter("tconst")[0];
		g_log.debug() << "_poldi : param " <<  "tconst" << " : " << tcycle  << std::endl;
		TableRow t6 = outputws->appendRow();
		t6 << "tconst" << "[mysec]" << tcycle ;

		double det_radius        = localWorkspace->getInstrument()->getNumberParameter("det_radius")[0];
		g_log.debug() << "_poldi : param " <<  "det_radius" << " : " << det_radius  << std::endl;
		TableRow t8 = outputws->appendRow();
		t8 << "det_radius" << "[mm]" << det_radius ;

		double det_nb_channel        = localWorkspace->getInstrument()->getNumberParameter("det_nb_channel")[0];
		g_log.debug() << "_poldi : param " <<  "det_nb_channel" << " : " << det_nb_channel  << std::endl;
		TableRow t9 = outputws->appendRow();
		t9 << "det_nb_channel" << "[]" << det_nb_channel ;

		double det_channel_resolution        = localWorkspace->getInstrument()->getNumberParameter("det_channel_resolution")[0];
		g_log.debug() << "_poldi : param " <<  "det_channel_resolution" << " : " << det_channel_resolution  << std::endl;
		TableRow t10 = outputws->appendRow();
		t10 << "det_channel_resolution" << "[mm]" << det_channel_resolution ;


		setProperty("PoldiIPP",outputws);

	}
	catch(Mantid::Kernel::Exception::NotFoundError& )
	{
		throw std::runtime_error("Error when saving the PoldiIPP Results data to Workspace : NotFoundError");
	}
	catch(std::runtime_error &)
	{
		throw std::runtime_error("Error when saving the PoldiIPP Results data to Workspace : runtime_error");
	}


}