InvertMask.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidAlgorithms/InvertMask.h"
#include "MantidAPI/WorkspaceProperty.h"
#include "MantidDataObjects/MaskWorkspace.h"
 
using namespace Mantid::Kernel;
using namespace Mantid::API;
 
namespace Mantid::Algorithms {
 
DECLARE_ALGORITHM(InvertMask)
 
void InvertMask::init() {
  this->declareProperty(std::make_unique<API::WorkspaceProperty<DataObjects::MaskWorkspace>>(
                            "InputWorkspace", "Anonymous", Direction::Input),
                        "MaskWorkspace to be inverted. ");
 
  this->declareProperty(std::make_unique<API::WorkspaceProperty<DataObjects::MaskWorkspace>>(
                            "OutputWorkspace", "AnonynmousOutput", Direction::Output),
                        "MaskWorkspace has inverted bits from input MaskWorkspace.");
}
 
void InvertMask::exec() {
  // 1. Get input
  DataObjects::MaskWorkspace_const_sptr inWS = this->getProperty("InputWorkspace");
  if (!inWS) {
    throw std::invalid_argument("InputWorkspace is not a MaskWorkspace.");
  }
 
  // 2. Do Invert by calling Child Algorithm
  auto invert = createChildAlgorithm("BinaryOperateMasks", 0.0, 1.0, true);
  invert->setPropertyValue("InputWorkspace1", inWS->getName());
  invert->setProperty("OperationType", "NOT");
  invert->setProperty("OutputWorkspace", "tempws");
 
  invert->execute();
 
  if (!invert->isExecuted()) {
    g_log.error() << "ChildAlgorithm BinaryOperateMask() cannot be executed. \n";
    throw std::runtime_error("ChildAlgorithm BinaryOperateMask() cannot be executed. ");
  }
 
  DataObjects::MaskWorkspace_sptr outputws = invert->getProperty("OutputWorkspace");
  if (!outputws) {
    throw std::runtime_error("Output Workspace is not a MaskWorkspace. ");
  }
 
  // 3. Set
  this->setProperty("OutputWorkspace", outputws);
}
 
} // namespace Mantid::Algorithms