mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-30 12:11:15 -06:00
68 lines
3 KiB
C++
68 lines
3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2015 Olga Diamanti <olga.diam@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_SORT_VECTORS_CCW
|
|
#define IGL_SORT_VECTORS_CCW
|
|
#include "igl_inline.h"
|
|
|
|
#include <Eigen/Core>
|
|
|
|
namespace igl {
|
|
// Sorts a set of N coplanar vectors in a ccw order, and returns their order.
|
|
// Optionally it also returns a copy of the ordered vector set, or the indices,
|
|
// in the original unordered set, of the vectors in the ordered set (called here
|
|
// the "inverse" set of indices).
|
|
|
|
// Inputs:
|
|
// P 1 by 3N row vector of the vectors to be sorted, stacked horizontally
|
|
// N #1 by 3 normal of the plane where the vectors lie
|
|
// Output:
|
|
// order N by 1 order of the vectors (indices of the unordered vectors into
|
|
// the ordered vector set)
|
|
// sorted 1 by 3N row vector of the ordered vectors, stacked horizontally
|
|
// inv_order N by 1 "inverse" order of the vectors (the indices of the ordered
|
|
// vectors into the unordered vector set)
|
|
//
|
|
template <typename DerivedS, typename DerivedI>
|
|
IGL_INLINE void sort_vectors_ccw(
|
|
const Eigen::PlainObjectBase<DerivedS>& P,
|
|
const Eigen::PlainObjectBase<DerivedS>& N,
|
|
Eigen::PlainObjectBase<DerivedI> &order,
|
|
Eigen::PlainObjectBase<DerivedS> &sorted,
|
|
Eigen::PlainObjectBase<DerivedI> &inv_order);
|
|
|
|
template <typename DerivedS, typename DerivedI>
|
|
IGL_INLINE void sort_vectors_ccw(
|
|
const Eigen::PlainObjectBase<DerivedS>& P,
|
|
const Eigen::PlainObjectBase<DerivedS>& N,
|
|
Eigen::PlainObjectBase<DerivedI> &order,
|
|
Eigen::PlainObjectBase<DerivedS> &sorted);
|
|
|
|
template <typename DerivedS, typename DerivedI>
|
|
IGL_INLINE void sort_vectors_ccw(
|
|
const Eigen::PlainObjectBase<DerivedS>& P,
|
|
const Eigen::PlainObjectBase<DerivedS>& N,
|
|
Eigen::PlainObjectBase<DerivedI> &order,
|
|
Eigen::PlainObjectBase<DerivedI> &inv_order);
|
|
|
|
|
|
template <typename DerivedS, typename DerivedI>
|
|
IGL_INLINE void sort_vectors_ccw(
|
|
const Eigen::PlainObjectBase<DerivedS>& P,
|
|
const Eigen::PlainObjectBase<DerivedS>& N,
|
|
Eigen::PlainObjectBase<DerivedI> &order);
|
|
|
|
};
|
|
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
#include "sort_vectors_ccw.cpp"
|
|
#endif
|
|
|
|
|
|
#endif /* defined(IGL_FIELD_LOCAL_GLOBAL_CONVERSIONS) */
|