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QIDISlicer1.0.0

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sunsets
2023-06-10 10:14:12 +08:00
parent f2e20e1a90
commit b4cd486f2d
3475 changed files with 1973675 additions and 0 deletions
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33
src/libigl/igl/average_onto_vertices.cpp Normal file
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// 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 "average_onto_vertices.h"
template<typename DerivedV,typename DerivedF,typename DerivedS>
IGL_INLINE void igl::average_onto_vertices(const Eigen::MatrixBase<DerivedV> &V,
const Eigen::MatrixBase<DerivedF> &F,
const Eigen::MatrixBase<DerivedS> &S,
Eigen::MatrixBase<DerivedS> &SV)
{
SV = DerivedS::Zero(V.rows(),S.cols());
Eigen::Matrix<typename DerivedF::Scalar,Eigen::Dynamic,1> COUNT(V.rows());
COUNT.setZero();
for (int i = 0; i <F.rows(); ++i)
{
for (int j = 0; j<F.cols(); ++j)
{
SV.row(F(i,j)) += S.row(i);
COUNT[F(i,j)] ++;
}
}
for (int i = 0; i <V.rows(); ++i)
SV.row(i) /= COUNT[i];
};
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
#endif