You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.2 KiB
40 lines
1.2 KiB
1 year ago
|
// This file is part of libigl, a simple c++ geometry processing library.
|
||
|
|
//
|
||
|
|
// Copyright (C) 2020 Oded Stein <oded.stein@columbia.edu>
|
||
|
|
//
|
||
|
|
// 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_ORIENT_HALFEDGES_H
|
||
|
|
#define IGL_ORIENT_HALFEDGES_H
|
||
|
|
|
||
|
|
#include "igl_inline.h"
|
||
|
|
#include <Eigen/Core>
|
||
|
|
|
||
|
|
|
||
|
|
namespace igl
|
||
|
|
{
|
||
|
|
/// Orients halfedges for a triangle mesh, assigning them to a unique edge.
|
||
|
|
///
|
||
|
|
/// @param[in] F #F by 3 input mesh connectivity
|
||
|
|
/// @param[out] E #E by 3 a mapping from each halfedge to each edge
|
||
|
|
/// @param[out] oE #E by 3 the orientation (e.g., -1 or 1) of each halfedge compared to
|
||
|
|
/// the orientation of the actual edge. Every edge appears positively oriented
|
||
|
|
/// exactly once.
|
||
|
|
///
|
||
|
|
/// \see unique_simplices
|
||
|
|
template <typename DerivedF, typename DerivedE, typename DerivedOE>
|
||
|
|
IGL_INLINE void orient_halfedges(
|
||
|
|
const Eigen::MatrixBase<DerivedF>& F,
|
||
|
|
Eigen::PlainObjectBase<DerivedE>& E,
|
||
|
|
Eigen::PlainObjectBase<DerivedOE>& oE);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef IGL_STATIC_LIBRARY
|
||
|
|
# include "orient_halfedges.cpp"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|