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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2022 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_SPLIT_NONMANIFOLD_H
#define IGL_SPLIT_NONMANIFOLD_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
// SPLIT_NONMANIFOLD Split a non-manifold (or non-orientable) mesh into a
// orientable manifold mesh possibly with more connected components and
// geometrically duplicate vertices.
//
// Inputs:
// F #F by 3 list of mesh triangle indices into rows of some V
// Outputs:
// SF #F by 3 list of mesh triangle indices into rows of a new vertex list
// SV = V(SVI,:)
// SVI #SV list of indices into V identifying vertex positions
template <
typename DerivedF,
typename DerivedSF,
typename DerivedSVI
>
IGL_INLINE void split_nonmanifold(
const Eigen::MatrixBase<DerivedF> & F,
Eigen::PlainObjectBase <DerivedSF> & SF,
Eigen::PlainObjectBase <DerivedSVI> & SVI);
// Inputs:
// V #V by dim explicit list of vertex positions
// Outputs:
// SV #SV by dim explicit list of vertex positions
template <
typename DerivedV,
typename DerivedF,
typename DerivedSV,
typename DerivedSF,
typename DerivedSVI
>
IGL_INLINE void split_nonmanifold(
const Eigen::MatrixBase<DerivedV> & V,
const Eigen::MatrixBase<DerivedF> & F,
Eigen::PlainObjectBase <DerivedSV> & SV,
Eigen::PlainObjectBase <DerivedSF> & SF,
Eigen::PlainObjectBase <DerivedSVI> & SVI);
}
#ifndef IGL_STATIC_LIBRARY
# include "split_nonmanifold.cpp"
#endif
#endif