| // 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/. | |
| namespace igl | |
| { | |
| namespace embree | |
| { | |
| // Forward define | |
| class EmbreeIntersector; | |
| // Compute shape diamter function per given point | |
| // | |
| // Inputs: | |
| // ei EmbreeIntersector containing (V,F) | |
| // P #P by 3 list of origin points | |
| // N #P by 3 list of origin normals | |
| // Outputs: | |
| // S #P list of shape diamater function values between bounding box | |
| // diagonal (perfect sphere) and 0 (perfect needle hook) | |
| // | |
| template < | |
| typename DerivedP, | |
| typename DerivedN, | |
| typename DerivedS > | |
| IGL_INLINE void shape_diameter_function( | |
| const EmbreeIntersector & ei, | |
| const Eigen::PlainObjectBase<DerivedP> & P, | |
| const Eigen::PlainObjectBase<DerivedN> & N, | |
| const int num_samples, | |
| Eigen::PlainObjectBase<DerivedS> & S); | |
| // Wrapper which builds new EmbreeIntersector for (V,F). That's expensive so | |
| // avoid this if repeatedly calling. | |
| template < | |
| typename DerivedV, | |
| typename DerivedF, | |
| typename DerivedP, | |
| typename DerivedN, | |
| typename DerivedS > | |
| IGL_INLINE void shape_diameter_function( | |
| const Eigen::PlainObjectBase<DerivedV> & V, | |
| const Eigen::PlainObjectBase<DerivedF> & F, | |
| const Eigen::PlainObjectBase<DerivedP> & P, | |
| const Eigen::PlainObjectBase<DerivedN> & N, | |
| const int num_samples, | |
| Eigen::PlainObjectBase<DerivedS> & S); | |
| } | |
| }; | |