libigl_Martin/include/igl/fit_plane.h

// This file is part of libigl, a simple c++ geometry processing library.
// 
// Copyright (C) 2013 Daniele Panozzo <daniele.panozzo@gmail.com>
// 
// This Source Code Form is subject to the terms of the Mozilla Public License 
// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_FIT_PLANE_H
#define IGL_FIT_PLANE_H

#include "igl_inline.h"
#include <Eigen/Dense>

namespace igl
{
  // This function fits a plane to a point cloud.
  //
  // Input:
  //   V #Vx3 matrix. The 3D point cloud, one row for each vertex.
  // Output: 
  //   N 1x3 Vector. The normal of the fitted plane.
  //   C 1x3 Vector. A point that lies in the fitted plane.
  // From http://missingbytes.blogspot.com/2012/06/fitting-plane-to-point-cloud.html

  IGL_INLINE void fit_plane(
    const Eigen::MatrixXd & V,
    Eigen::RowVector3d & N,
    Eigen::RowVector3d & C);
}

#ifndef IGL_STATIC_LIBRARY
#  include "fit_plane.cpp"
#endif

#endif