89 lines
4.3 KiB
C++
89 lines
4.3 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2015, RWTH-Aachen University *
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* Department of Computer Graphics and Multimedia *
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* All rights reserved. *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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*---------------------------------------------------------------------------*
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions of source code must retain the above copyright notice, *
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* this list of conditions and the following disclaimer. *
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* *
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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* *
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* 3. Neither the name of the copyright holder nor the names of its *
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* contributors may be used to endorse or promote products derived from *
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* this software without specific prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* ========================================================================= */
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//=============================================================================
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//
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// CLASS TriMeshT - IMPLEMENTATION
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//
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//=============================================================================
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#define OPENMESH_TRIMESH_C
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/Mesh/TriMeshT.hh>
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#include <OpenMesh/Core/System/omstream.hh>
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#include <vector>
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//== NAMESPACES ==============================================================
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namespace OpenMesh {
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//== IMPLEMENTATION ==========================================================
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template <class Kernel>
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typename TriMeshT<Kernel>::Normal
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TriMeshT<Kernel>::
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calc_face_normal(FaceHandle _fh) const
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{
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assert(this->halfedge_handle(_fh).is_valid());
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ConstFaceVertexIter fv_it(this->cfv_iter(_fh));
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const Point& p0(this->point(*fv_it)); ++fv_it;
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const Point& p1(this->point(*fv_it)); ++fv_it;
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const Point& p2(this->point(*fv_it));
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return PolyMesh::calc_face_normal(p0, p1, p2);
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}
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//=============================================================================
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} // namespace OpenMesh
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//=============================================================================
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