65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
|
// 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_PER_CORNER_NORMALS_H
|
||
|
|
#define IGL_PER_CORNER_NORMALS_H
|
||
|
|
#include "igl_inline.h"
|
||
|
|
#include <Eigen/Core>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace igl
|
||
|
|
{
|
||
|
|
// Compute vertex normals via vertex position list, face list
|
||
|
|
// Inputs:
|
||
|
|
// V #V by 3 eigen Matrix of mesh vertex 3D positions
|
||
|
|
// F #F by 3 eigen Matrix of face (triangle) indices
|
||
|
|
// corner_threshold threshold in degrees on sharp angles
|
||
|
|
// Output:
|
||
|
|
// CN #F*3 by 3 eigen Matrix of mesh vertex 3D normals, where the normal
|
||
|
|
// for corner F(i,j) is at CN(i*3+j,:)
|
||
|
|
template <typename DerivedV, typename DerivedF, typename DerivedCN>
|
||
|
|
IGL_INLINE void per_corner_normals(
|
||
|
|
const Eigen::PlainObjectBase<DerivedV>& V,
|
||
|
|
const Eigen::PlainObjectBase<DerivedF>& F,
|
||
|
|
const double corner_threshold,
|
||
|
|
Eigen::PlainObjectBase<DerivedCN> & CN);
|
||
|
|
// Other Inputs:
|
||
|
|
// FN #F by 3 eigen Matrix of face normals
|
||
|
|
template <
|
||
|
|
typename DerivedV,
|
||
|
|
typename DerivedF,
|
||
|
|
typename DerivedFN,
|
||
|
|
typename DerivedCN>
|
||
|
|
IGL_INLINE void per_corner_normals(
|
||
|
|
const Eigen::PlainObjectBase<DerivedV>& V,
|
||
|
|
const Eigen::PlainObjectBase<DerivedF>& F,
|
||
|
|
const Eigen::PlainObjectBase<DerivedFN>& FN,
|
||
|
|
const double corner_threshold,
|
||
|
|
Eigen::PlainObjectBase<DerivedCN> & CN);
|
||
|
|
// Other Inputs:
|
||
|
|
// VF map from vertices to list of incident faces
|
||
|
|
template <
|
||
|
|
typename DerivedV,
|
||
|
|
typename DerivedF,
|
||
|
|
typename DerivedFN,
|
||
|
|
typename IndexType,
|
||
|
|
typename DerivedCN>
|
||
|
|
IGL_INLINE void per_corner_normals(
|
||
|
|
const Eigen::PlainObjectBase<DerivedV>& V,
|
||
|
|
const Eigen::PlainObjectBase<DerivedF>& F,
|
||
|
|
const Eigen::PlainObjectBase<DerivedFN>& FN,
|
||
|
|
const std::vector<std::vector<IndexType> >& VF,
|
||
|
|
const double corner_threshold,
|
||
|
|
Eigen::PlainObjectBase<DerivedCN> & CN);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef IGL_STATIC_LIBRARY
|
||
|
|
# include "per_corner_normals.cpp"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|