| // This file is part of libigl, a simple c++ geometry processing library. |
| // |
| // Copyright (C) 2015 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 FACET_COMPONENTS_H |
| #define FACET_COMPONENTS_H |
| #include "igl_inline.h" |
| #include <Eigen/Core> |
| #include <vector> |
| namespace igl |
| { |
| /// Compute connected components of facets based on edge-edge adjacency. |
| /// |
| /// For connected components on vertices see igl::vertex_components |
| /// |
| /// @param[in] F #F by 3 list of triangle indices |
| /// @param[out] C #F list of connected component ids |
| /// @return number of connected components |
| template <typename DerivedF, typename DerivedC> |
| IGL_INLINE int facet_components( |
| const Eigen::MatrixBase<DerivedF> & F, |
| Eigen::PlainObjectBase<DerivedC> & C); |
| /// \overload |
| /// |
| /// @param[in] TT #TT by 3 list of list of adjacency triangles (see |
| /// triangle_triangle_adjacency.h) |
| /// @param[out] counts #C list of number of facets in each components |
| template < |
| typename TTIndex, |
| typename DerivedC, |
| typename Derivedcounts> |
| IGL_INLINE void facet_components( |
| const std::vector<std::vector<std::vector<TTIndex > > > & TT, |
| Eigen::PlainObjectBase<DerivedC> & C, |
| Eigen::PlainObjectBase<Derivedcounts> & counts); |
| } |
| #ifndef IGL_STATIC_LIBRARY |
| # include "facet_components.cpp" |
| #endif |
| #endif |
