30 lines
1017 B
C++
30 lines
1017 B
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/.
|
||
|
|
#include "average_onto_faces.h"
|
||
|
|
|
||
|
|
template <typename T, typename I>
|
||
|
|
IGL_INLINE void igl::average_onto_faces(const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic> &V,
|
||
|
|
const Eigen::Matrix<I, Eigen::Dynamic, Eigen::Dynamic> &F,
|
||
|
|
const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic> &S,
|
||
|
|
Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic> &SF)
|
||
|
|
{
|
||
|
|
|
||
|
|
SF = Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>::Zero(F.rows(),S.cols());
|
||
|
|
|
||
|
|
for (int i = 0; i <F.rows(); ++i)
|
||
|
|
for (int j = 0; j<F.cols(); ++j)
|
||
|
|
SF.row(i) += S.row(F(i,j));
|
||
|
|
|
||
|
|
SF.array() /= F.cols();
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef IGL_STATIC_LIBRARY
|
||
|
|
// Explicit template instantiation
|
||
|
|
#endif
|