SampleEnvironment.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 +
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include "MantidGeometry/Instrument/SampleEnvironment.h"
#include "MantidGeometry/IObjComponent.h"
#include "MantidGeometry/Objects/Track.h"
#include "MantidKernel/PseudoRandomNumberGenerator.h"
 
namespace Mantid::Geometry {
using Geometry::BoundingBox;
using Geometry::Track;
using Kernel::V3D;
 
//------------------------------------------------------------------------------
// Public methods
//------------------------------------------------------------------------------
 
SampleEnvironment::SampleEnvironment(std::string name, const Container_const_sptr &container)
    : m_name(std::move(name)), m_components(1, container) {}
 
const IObject &SampleEnvironment::getComponent(const size_t index) const {
  if (index > this->nelements()) {
    std::stringstream msg;
    msg << "Requested SampleEnvironment element that is out of range: " << index << " < " << this->nelements();
    throw std::out_of_range(msg.str());
  }
  return *(m_components[index]);
}
 
const IObject_const_sptr SampleEnvironment::getComponentPtr(const size_t index) const {
  if (index > this->nelements()) {
    std::stringstream msg;
    msg << "Requested SampleEnvironment element that is out of range: " << index << " < " << this->nelements();
    throw std::out_of_range(msg.str());
  }
  return m_components[index];
}
 
Geometry::BoundingBox SampleEnvironment::boundingBox() const {
  BoundingBox box;
  for (const auto &component : m_components) {
    box.grow(component->getBoundingBox());
  }
  return box;
}
 
bool SampleEnvironment::isValid(const V3D &point) const {
  return std::any_of(m_components.cbegin(), m_components.cend(),
                     [&point](const auto &component) { return component->isValid(point); });
}
 
int SampleEnvironment::interceptSurfaces(Track &track) const {
  return std::accumulate(m_components.cbegin(), m_components.cend(), 0,
                         [&track](int sum, const auto &component) { return sum + component->interceptSurface(track); });
}
 
void SampleEnvironment::add(const IObject_const_sptr &component) { m_components.emplace_back(component); }
} // namespace Mantid::Geometry