// This file is part of libigl, a simple c++ geometry processing library. // // Copyright (C) 2014 Alec Jacobson // // 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_COPYLEFT_TETGEN_CDT_H #define IGL_COPYLEFT_TETGEN_CDT_H #include "../../igl_inline.h" #include #include #ifndef TETLIBRARY # define TETLIBRARY #endif #include "tetgen.h" // Defined REAL namespace igl { namespace copyleft { namespace tetgen { struct CDTParam { // Tetgen can compute mesh of convex hull of input (i.e. "c") but often // chokes. One workaround is to force it to mesh the entire bounding box. // {false} bool use_bounding_box = false; // Scale the bounding box a bit so that vertices near it do not give tetgen // problems. {1.01} double bounding_box_scale = 1.01; // Flags to tetgen. Do not include the "c" flag here! {"Y"} std::string flags = "Y"; }; // Create a constrained delaunay tessellation containing convex hull of the // given **non-selfintersecting** mesh. // // Inputs: // V #V by 3 list of input mesh vertices // F #F by 3 list of input mesh facets // param see above // TV #TV by 3 list of output mesh vertices (V come first) // TT #TT by 3 list of tetrahedra indices into TV. // TF #TF by 3 list of facets from F potentially subdivided. // template < typename DerivedV, typename DerivedF, typename DerivedTV, typename DerivedTT, typename DerivedTF> IGL_INLINE bool cdt( const Eigen::PlainObjectBase& V, const Eigen::PlainObjectBase& F, const CDTParam & param, Eigen::PlainObjectBase& TV, Eigen::PlainObjectBase& TT, Eigen::PlainObjectBase& TF); } } } #ifndef IGL_STATIC_LIBRARY # include "cdt.cpp" #endif #endif