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.
46 lines
1.7 KiB
46 lines
1.7 KiB
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2016 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_SHORTEST_EDGE_AND_MIDPOINT_H
|
|
#define IGL_SHORTEST_EDGE_AND_MIDPOINT_H
|
|
#include "igl_inline.h"
|
|
#include <Eigen/Core>
|
|
#include <vector>
|
|
namespace igl
|
|
{
|
|
/// Cost and placement function compatible with igl::decimate. The cost of
|
|
/// collapsing an edge is its length (prefer to collapse short edges) and the
|
|
/// placement strategy for the new vertex is the midpoint of the collapsed
|
|
/// edge.
|
|
///
|
|
/// @param[in] e index into E of edge to be considered for collapse
|
|
/// @param[in] V #V by dim list of vertex positions
|
|
/// @param[in] F #F by 3 list of faces (ignored)
|
|
/// @param[in] E #E by 2 list of edge indices into V
|
|
/// @param[in] EMAP #F*3 list of half-edges indices into E (ignored)
|
|
/// @param[in] EF #E by 2 list of edge-face flaps into F (ignored)
|
|
/// @param[in] EI #E by 2 list of edge-face opposite corners (ignored)
|
|
/// @param[out] cost set to edge length
|
|
/// @param[out] p placed point set to edge midpoint
|
|
IGL_INLINE void shortest_edge_and_midpoint(
|
|
const int e,
|
|
const Eigen::MatrixXd & V,
|
|
const Eigen::MatrixXi & /*F*/,
|
|
const Eigen::MatrixXi & E,
|
|
const Eigen::VectorXi & /*EMAP*/,
|
|
const Eigen::MatrixXi & /*EF*/,
|
|
const Eigen::MatrixXi & /*EI*/,
|
|
double & cost,
|
|
Eigen::RowVectorXd & p);
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "shortest_edge_and_midpoint.cpp"
|
|
#endif
|
|
#endif
|
|
|
|
|
|
|