template<typename P>
struct boost::gil::PointNDConcept< P >
N-dimensional point concept.
concept PointNDConcept<typename T> : Regular<T>
{
template <size_t K>
struct axis; where Metafunction<axis>;
const size_t num_dimensions;
template <size_t K>
typename axis<K>::type const& T::axis_value() const;
template <size_t K>
typename axis<K>::type& T::axis_value();
};