56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
|
// This file is part of libigl, a simple c++ geometry processing library.
|
||
|
|
//
|
||
|
|
// Copyright (C) 2018 Zhongshi Jiang <jiangzs@nyu.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/.
|
||
|
|
|
||
|
|
#include "topological_hole_fill.h"
|
||
|
|
template <
|
||
|
|
typename DerivedF,
|
||
|
|
typename Derivedb,
|
||
|
|
typename VectorIndex,
|
||
|
|
typename DerivedF_filled>
|
||
|
|
IGL_INLINE void igl::topological_hole_fill(
|
||
|
|
const Eigen::MatrixBase<DerivedF> & F,
|
||
|
|
const Eigen::MatrixBase<Derivedb> & b,
|
||
|
|
const std::vector<VectorIndex> & holes,
|
||
|
|
Eigen::PlainObjectBase<DerivedF_filled> &F_filled)
|
||
|
|
{
|
||
|
|
int n_filled_faces = 0;
|
||
|
|
int num_holes = holes.size();
|
||
|
|
int real_F_num = F.rows();
|
||
|
|
const int V_rows = F.maxCoeff()+1;
|
||
|
|
|
||
|
|
for (int i = 0; i < num_holes; i++)
|
||
|
|
n_filled_faces += holes[i].size();
|
||
|
|
F_filled.resize(n_filled_faces + real_F_num, 3);
|
||
|
|
F_filled.topRows(real_F_num) = F;
|
||
|
|
|
||
|
|
int new_vert_id = V_rows;
|
||
|
|
int new_face_id = real_F_num;
|
||
|
|
|
||
|
|
for (int i = 0; i < num_holes; i++, new_vert_id++)
|
||
|
|
{
|
||
|
|
int cur_bnd_size = holes[i].size();
|
||
|
|
int it = 0;
|
||
|
|
int back = holes[i].size() - 1;
|
||
|
|
F_filled.row(new_face_id++) << holes[i][it], holes[i][back], new_vert_id;
|
||
|
|
while (it != back)
|
||
|
|
{
|
||
|
|
F_filled.row(new_face_id++)
|
||
|
|
<< holes[i][(it + 1)],
|
||
|
|
holes[i][(it)], new_vert_id;
|
||
|
|
it++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
assert(new_face_id == F_filled.rows());
|
||
|
|
assert(new_vert_id == V_rows + num_holes);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef IGL_STATIC_LIBRARY
|
||
|
|
template void igl::topological_hole_fill<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, std::vector<int, std::allocator<int> > >(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, 1,0, -1, 1> > const&, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
|
||
|
|
#endif
|