CreateSampleShape.cpp

//--------------------------------
// Includes
//--------------------------------
#include "MantidDataHandling/CreateSampleShape.h"
#include "MantidGeometry/Objects/ShapeFactory.h"
#include "MantidAPI/MatrixWorkspace.h"
#include "MantidAPI/Sample.h"
#include "MantidKernel/MandatoryValidator.h"

namespace Mantid {
namespace DataHandling {
// Register the algorithm into the AlgorithmFactory
DECLARE_ALGORITHM(CreateSampleShape)

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

/**
 * Initialize the algorithm
 */
void CreateSampleShape::init() {
  using namespace Mantid::Kernel;
  declareProperty(new WorkspaceProperty<MatrixWorkspace>("InputWorkspace", "",
                                                         Direction::Input),
                  "The workspace with which to associate the sample ");
  declareProperty("ShapeXML", "",
                  boost::make_shared<MandatoryValidator<std::string>>(),
                  "The XML that describes the shape");
}

/**
 * Execute the algorithm
 */
void CreateSampleShape::exec() {
  // Get the input workspace
  MatrixWorkspace_sptr workspace = getProperty("InputWorkspace");
  // Get the XML definition
  std::string shapeXML = getProperty("ShapeXML");
  Geometry::ShapeFactory sFactory;
  // Create the object
  boost::shared_ptr<Geometry::Object> shape_sptr =
      sFactory.createShape(shapeXML);
  // Check it's valid and attach it to the workspace sample
  if (shape_sptr->hasValidShape()) {
    workspace->mutableSample().setShape(*shape_sptr);
  } else {
    g_log.warning() << "Object has invalid shape. TopRule = "
                    << shape_sptr->topRule() << ", number of surfaces = "
                    << shape_sptr->getSurfacePtr().size() << "\n";
    throw std::runtime_error(
        "Shape object is invalid, cannot attach it to workspace.");
  }
  // Done!
  progress(1);
}
}
}