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.
37 lines
1.4 KiB
37 lines
1.4 KiB
// 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/.
|
|
#include "is_border_vertex.h"
|
|
#include <vector>
|
|
|
|
#include "triangle_triangle_adjacency.h"
|
|
|
|
template <typename DerivedF>
|
|
IGL_INLINE std::vector<bool> igl::is_border_vertex(
|
|
const Eigen::MatrixBase<DerivedF> &F)
|
|
{
|
|
Eigen::Matrix<typename DerivedF::Scalar, Eigen::Dynamic, Eigen::Dynamic> FF;
|
|
igl::triangle_triangle_adjacency(F,FF);
|
|
std::vector<bool> ret(F.maxCoeff()+1);
|
|
for(unsigned i=0; i<ret.size();++i)
|
|
ret[i] = false;
|
|
|
|
for(unsigned i=0; i<F.rows();++i)
|
|
for(unsigned j=0;j<F.cols();++j)
|
|
if(FF(i,j) == -1)
|
|
{
|
|
ret[F(i,j)] = true;
|
|
ret[F(i,(j+1)%F.cols())] = true;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#ifdef IGL_STATIC_LIBRARY
|
|
// Explicit template instantiation
|
|
template std::vector<bool, std::allocator<bool> > igl::is_border_vertex<Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&);
|
|
template std::vector<bool, std::allocator<bool> > igl::is_border_vertex<Eigen::Matrix<int, -1, 3, 0, -1, 3> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&);
|
|
#endif
|
|
|