//===========================================================================
// Copyright (C) 1998, 2000-2007, 2010, 2011, 2012 SINTEF ICT, Applied
// Mathematics, Norway.
//
// This file is part of GoTools
//
// This program is free software; you can redistribute it and/or          
// modify it under the terms of the GNU General Public License            
// as published by the Free Software Foundation version 2 of the License. 
//
// This program is distributed in the hope that it will be useful,        
// but WITHOUT ANY WARRANTY; without even the implied warranty of         
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          
// GNU General Public License for more details.                           
//
// You should have received a copy of the GNU General Public License      
// along with this program; if not, see <http://www.gnu.org/licenses>
//
// Contact information: E-mail: tor.dokken@sintef.no                      
// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
// for:
// - Building commercial software.                                        
// - Building software whose source code you wish to keep private.        
//===========================================================================

#include "GoTools/implicitization/ImplicitizePointCloudAlgo.h"
#include "GoTools/geometry/ObjectHeader.h"
#include "GoTools/geometry/PointCloud.h"
#include "GoTools/implicitization/BernsteinTetrahedralPoly.h"
#include "GoTools/utils/BaryCoordSystem.h"
#include <fstream>


using namespace Go;
using namespace std;


int main()
{
    // Read the point cloud from file
    ifstream input("data/point_cloud.g2");
    ObjectHeader header;
    PointCloud3D cloud;
    input >> header >> cloud;

    // Degree of surface
    int degree = 4;

    // Implicitize
    ImplicitizePointCloudAlgo implicitize(cloud, degree);
    implicitize.perform();

    // Get result
    BernsteinTetrahedralPoly implicit;
    BaryCoordSystem3D bc;
    double sigma_min;
    implicitize.getResultData(implicit, bc, sigma_min);

    // Write out implicit function
    ofstream output("data/implicit_point_cloud.dat");
    output << implicit << endl
	   << bc << endl;
    cout << "Data written to data/implicit_point_cloud.dat" << endl;

    return 0;
}
