// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// FREE SOURCE CODE
// http://www.magic-software.com/License/free.pdf

#ifndef MGCAPPR3DLINEFIT_H
#define MGCAPPR3DLINEFIT_H

#include "Vector3.h"


// Least-squares fit of a line to (x,y,z) data by using distance measurements
// orthogonal to the proposed line.  The resulting line is represented by
// Offset + t*Direction where the returned direction is a unit-length vector.

void MgcOrthogonalLineFit (int iQuantity, const Vector3* akPoint,
    Vector3& rkOffset, Vector3& rkDirection);


// This function allows for selection of vertices from a pool.  The return
// value is 'true' if and only if at least one vertex is valid.

bool MgcOrthogonalLineFit (int iQuantity, const Vector3* akPoint,
    const bool* abValid, Vector3& rkOffset, Vector3& rkDirection);

#endif