LoadSampleDetailsFromRaw.cpp

//-------------------------------------------------------
// Includes
//------------------------------------------------------
#include "MantidDataHandling/LoadSampleDetailsFromRaw.h"
#include "MantidAPI/FileProperty.h"
#include "MantidAPI/MatrixWorkspace.h"
#include "MantidAPI/Sample.h"

// The isis RAW data structure
#include "LoadRaw/isisraw2.h"
#include <cstdio> //MG: Required for gcc 4.4

namespace Mantid {
namespace DataHandling {

using namespace Mantid::Kernel;
using namespace Mantid::API;
using namespace Mantid::DataHandling;

// Register the algorithm into the AlgorithmFactory
DECLARE_ALGORITHM(LoadSampleDetailsFromRaw)

/**
 * Initialize the algorithm
 */
void LoadSampleDetailsFromRaw::init() {
  declareProperty(
      make_unique<WorkspaceProperty<>>("InputWorkspace", "", Direction::Input),
      "The sample details are attached to this workspace.");
  const std::vector<std::string> exts{"raw", ".s*"};
  declareProperty(Kernel::make_unique<FileProperty>("Filename", "",
                                                    FileProperty::Load, exts),
                  "The raw file containing the sample geometry information.");
}

/**
 * Execute the algorithm
 */
void LoadSampleDetailsFromRaw::exec() {
  MatrixWorkspace_sptr data_ws = getProperty("InputWorkspace");

  std::string filename = getPropertyValue("Filename");
  FILE *file = fopen(filename.c_str(), "rb");
  if (file == nullptr) {
    g_log.error("Unable to open file " + filename);
    throw Exception::FileError("Unable to open File:", filename);
  }

  auto isis_raw = new ISISRAW2;
  isis_raw->ioRAW(file, true);
  fclose(file);

  // Pick out the geometry information
  data_ws->mutableSample().setGeometryFlag(isis_raw->spb.e_geom);
  data_ws->mutableSample().setThickness(
      static_cast<double>(isis_raw->spb.e_thick));
  data_ws->mutableSample().setHeight(
      static_cast<double>(isis_raw->spb.e_height));
  data_ws->mutableSample().setWidth(static_cast<double>(isis_raw->spb.e_width));

  g_log.debug() << "Raw file sample details:\n"
                << "\tsample geometry flag: " << isis_raw->spb.e_geom << "\n"
                << "\tsample thickness: "
                << data_ws->mutableSample().getThickness() << "\n"
                << "\tsample height: " << data_ws->mutableSample().getHeight()
                << "\n"
                << "\tsample width: " << data_ws->mutableSample().getWidth()
                << '\n';

  // Free the used memory
  delete isis_raw;
  // Not much happens really
  progress(1.);
}

} // namespace
}