dust3d/third_party/libigl/include/igl/gaussian_curvature.h

36 lines
1.1 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_GAUSSIAN_CURVATURE_H
#define IGL_GAUSSIAN_CURVATURE_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
// Compute discrete local integral gaussian curvature (angle deficit, without
// averaging by local area).
//
// Inputs:
// V #V by 3 eigen Matrix of mesh vertex 3D positions
// F #F by 3 eigen Matrix of face (triangle) indices
// Output:
// K #V by 1 eigen Matrix of discrete gaussian curvature values
//
template <typename DerivedV, typename DerivedF, typename DerivedK>
IGL_INLINE void gaussian_curvature(
const Eigen::PlainObjectBase<DerivedV>& V,
const Eigen::PlainObjectBase<DerivedF>& F,
Eigen::PlainObjectBase<DerivedK> & K);
}
#ifndef IGL_STATIC_LIBRARY
# include "gaussian_curvature.cpp"
#endif
#endif