mirror of https://github.com/CGAL/cgal
115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Stephane Tayeb
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//
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//******************************************************************************
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// File Description :
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//
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//
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//******************************************************************************
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#ifndef LABELED_IMAGE_MESH_DOMAIN_3_H
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#define LABELED_IMAGE_MESH_DOMAIN_3_H
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#include <CGAL/Mesh_3/Labeled_mesh_domain_3.h>
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#include <CGAL/Mesh_3/Image_to_labeled_function_wrapper.h>
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namespace CGAL {
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/**
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* @class Labeled_image_mesh_domain_3
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*
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*
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*/
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template<class Image, class BGT>
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class Labeled_image_mesh_domain_3
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: public Mesh_3::Labeled_mesh_domain_3<
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Mesh_3::Image_to_labeled_function_wrapper<Image, BGT>,
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BGT>
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{
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public:
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typedef Mesh_3::Image_to_labeled_function_wrapper<Image, BGT> Image_wrapper;
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typedef Mesh_3::Labeled_mesh_domain_3<Image_wrapper, BGT> Base;
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typedef typename Base::Sphere_3 Sphere_3;
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typedef typename Base::FT FT;
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typedef BGT Geom_traits;
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// typedef typename BGT::Iso_cuboid_3 Bbox_3;
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typedef CGAL::Bbox_3 Bbox_3;
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/// Constructor
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Labeled_image_mesh_domain_3(const Image& image,
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const FT& error_bound = FT(1e-3))
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: Base(Image_wrapper(image),
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compute_bounding_box(image),
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error_bound) { };
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/// Destructor
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virtual ~Labeled_image_mesh_domain_3() { };
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private:
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/// Returns a sphere enclosing image \c im
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Sphere_3 compute_bounding_sphere(const Image& im) const;
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Bbox_3 compute_bounding_box(const Image& im) const
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{
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return Bbox_3(0,0,0,
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im.xdim()*im.vx(), im.ydim()*im.vy(), im.zdim()*im.vz());
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}
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private:
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// Disabled copy constructor & assignment operator
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typedef Labeled_image_mesh_domain_3<Image, BGT> Self;
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Labeled_image_mesh_domain_3(const Self& src);
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Self& operator=(const Self& src);
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}; // end class Labeled_image_mesh_domain_3
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template<class Im, class BGT>
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typename Labeled_image_mesh_domain_3<Im,BGT>::Sphere_3
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Labeled_image_mesh_domain_3<Im,BGT>::compute_bounding_sphere(const Im& im) const
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{
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typedef typename Base::Point_3 Point_3;
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// Get center of image and return a sphere centered on center with radius
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// [origin,center]
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const Point_3 center(im.xdim()*im.vx()/2.,
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im.ydim()*im.vy()/2.,
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im.zdim()*im.vz()/2.);
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const FT sq_radius = CGAL::squared_distance(center, Point_3(CGAL::ORIGIN));
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// We add 1 to radius to ensure that image is strictly inside sphere
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return Sphere_3(center, sq_radius + 1.);
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}
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} // end namespace CGAL
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#endif // LABELED_IMAGE_MESH_DOMAIN_3_H
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