118 lines
3.0 KiB
C++
Executable File
118 lines
3.0 KiB
C++
Executable File
// Copyright (c) 2005-2007 INRIA Sophia-Antipolis (France).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org).
|
|
// You can redistribute it and/or modify it under the terms of the GNU
|
|
// General Public License as published by the Free Software Foundation,
|
|
// either version 3 of the License, or (at your option) any later version.
|
|
//
|
|
// Licensees holding a valid commercial license may use this file in
|
|
// accordance with the commercial license agreement provided with the software.
|
|
//
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// $URL$
|
|
// $Id$
|
|
// SPDX-License-Identifier: GPL-3.0+
|
|
//
|
|
// Author(s) : Laurent RINEAU
|
|
|
|
#ifndef CGAL_MESH_3_GRAY_LEVEL_IMAGE_3_H
|
|
#define CGAL_MESH_3_GRAY_LEVEL_IMAGE_3_H
|
|
|
|
#include <CGAL/license/Surface_mesher.h>
|
|
|
|
|
|
#include <CGAL/basic.h>
|
|
|
|
#include <CGAL/auto_link/ImageIO.h>
|
|
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
#ifdef CGAL_SURFACE_MESHER_DEBUG_GRAY_LEVEL_IMAGE_3_CONSTRUCTOR
|
|
#include <boost/format.hpp>
|
|
#endif
|
|
|
|
#include <CGAL/Image_3.h>
|
|
|
|
namespace CGAL {
|
|
|
|
template <typename FT, typename Point>
|
|
class Gray_level_image_3 : public Image_3
|
|
{
|
|
float isovalue;
|
|
bool positive_inside;
|
|
float value_outside;
|
|
public:
|
|
Gray_level_image_3(const Image_3& image, float isoval)
|
|
: Image_3(image),
|
|
isovalue(isoval),
|
|
positive_inside(true),
|
|
value_outside(0.f)
|
|
{
|
|
}
|
|
|
|
Gray_level_image_3(const char* file, float isoval, bool positive_inside_=true, float value_outside = 0.f)
|
|
: Image_3(),
|
|
isovalue(isoval),
|
|
positive_inside(positive_inside_),
|
|
value_outside(value_outside)
|
|
{
|
|
#ifdef CGAL_SURFACE_MESHER_DEBUG_GRAY_LEVEL_IMAGE_3_CONSTRUCTOR
|
|
std::cerr <<
|
|
::boost::format("Constructing a Gray_level_image_3(\"%1%\")... ") % file;
|
|
#endif
|
|
Image_3::read(file);
|
|
#ifdef CGAL_SURFACE_MESHER_DEBUG_GRAY_LEVEL_IMAGE_3_CONSTRUCTOR
|
|
if( image_ptr.get() != 0 )
|
|
{
|
|
std::cerr << ::boost::format(" = %1%\n") % image_ptr.get();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
~Gray_level_image_3()
|
|
{
|
|
#ifdef CGAL_SURFACE_MESHER_DEBUG_GRAY_LEVEL_IMAGE_3_CONSTRUCTOR
|
|
std::cerr << ::boost::format("~Gray_level_image_3() image=%1%\n") % image;
|
|
#endif
|
|
}
|
|
|
|
static void print_supported_file_format()
|
|
{
|
|
::printSupportedFileFormat();
|
|
}
|
|
|
|
FT operator()(Point p) const
|
|
{
|
|
const float X=static_cast<float>(to_double(p.x()));
|
|
const float Y=static_cast<float>(to_double(p.y()));
|
|
const float Z=static_cast<float>(to_double(p.z()));
|
|
|
|
float value = ::triLinInterp(this->image_ptr.get(), X, Y, Z, value_outside);
|
|
if (positive_inside)
|
|
{
|
|
if (value > isovalue) // inside
|
|
return FT(-1);
|
|
else if (value < isovalue) // outside
|
|
return FT(1);
|
|
else
|
|
return FT(0);
|
|
}
|
|
else
|
|
{
|
|
if (value < isovalue) // inside
|
|
return FT(-1);
|
|
else if (value > isovalue) // outside
|
|
return FT(1);
|
|
else
|
|
return FT(0);
|
|
}
|
|
}
|
|
}; // end Gray_level_image_3
|
|
|
|
} // end namespace CGAL
|
|
|
|
#endif // CGAL_MESH_3_GRAY_LEVEL_IMAGE_3_H
|