// This file is part of libigl, a simple c++ geometry processing library.
// 
// Copyright (C) 2013 Alec Jacobson <alecjacobson@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_WRITESTL_H
#define IGL_WRITESTL_H
#include "igl_inline.h"

#ifndef IGL_NO_EIGEN
#  include <Eigen/Core>
#endif
#include <string>
#include <vector>

namespace igl 
{
  // Write a mesh to an stl file.
  //
  // Templates:
  //   Scalar  type for positions and vectors (will be read as double and cast
  //     to Scalar)
  // Inputs:
  //   filename path to .obj file
  //   V  double matrix of vertex positions  #F*3 by 3
  //   F  index matrix of triangle indices #F by 3
  //   N  double matrix of vertex positions  #F by 3
  //   asci  write ascii file {true}
  // Returns true on success, false on errors
  //
  template <typename DerivedV, typename DerivedF, typename DerivedN>
  IGL_INLINE bool writeSTL(
    const std::string & filename,
    const Eigen::PlainObjectBase<DerivedV> & V,
    const Eigen::PlainObjectBase<DerivedF> & F,
    const Eigen::PlainObjectBase<DerivedN> & N,
    const bool ascii=true);
  template <typename DerivedV, typename DerivedF>
  IGL_INLINE bool writeSTL(
    const std::string & filename,
    const Eigen::PlainObjectBase<DerivedV> & V,
    const Eigen::PlainObjectBase<DerivedF> & F,
    const bool ascii=true);
}

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

#endif