Shape3D.inl

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//
//
/*
    Copyright (C) 2000- 2009, Hammersmith Imanet Ltd
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
 
START_NAMESPACE_STIR
 
Shape3D::Shape3D()
    : origin(0, 0, 0)
{}
 
Shape3D::Shape3D(const CartesianCoordinate3D<float>& origin)
    : origin(origin)
{}
 
bool
Shape3D::operator==(const Shape3D& s) const
{
  return norm(this->origin - s.origin) < .001F;
}
 
bool
Shape3D::operator!=(const Shape3D& s) const
{
  return !(*this == s);
}
 
void
Shape3D::scale_around_origin(const CartesianCoordinate3D<float>& scale3D)
{
  CartesianCoordinate3D<float> old_origin = get_origin();
  translate(old_origin * (-1));
  scale(scale3D);
  translate(old_origin);
  assert((norm(get_origin()) == 0 && norm(old_origin) == 0) || norm(get_origin() - old_origin) < norm(get_origin()) * 10E-5);
}
 
CartesianCoordinate3D<float>
Shape3D::get_origin() const
{
  return origin;
}
 
END_NAMESPACE_STIR