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https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_FACE_AREAS_H
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#define IGL_FACE_AREAS_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// Constructs a list of face areas of faces opposite each index in a tet list
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//
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// Inputs:
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// V #V by 3 list of mesh vertex positions
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// T #T by 3 list of tet mesh indices into V
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// Outputs:
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// A #T by 4 list of face areas corresponding to faces opposite vertices
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// 0,1,2,3
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//
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template <typename DerivedV, typename DerivedT, typename DerivedA>
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IGL_INLINE void face_areas(
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const Eigen::MatrixBase<DerivedV>& V,
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const Eigen::MatrixBase<DerivedT>& T,
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Eigen::PlainObjectBase<DerivedA>& A);
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// Compute tet-mesh face areas from edge lengths.
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//
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// Inputs:
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// L #T by 6 list of tet-mesh edge lengths corresponding to edges
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// [3 0],[3 1],[3 2],[1 2],[2 0],[0 1]
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// Outputs:
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// A #T by 4 list of face areas corresponding to faces opposite vertices
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// 0,1,2,3: i.e. made of edges [123],[024],[015],[345]
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//
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//
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template <typename DerivedL, typename DerivedA>
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IGL_INLINE void face_areas(
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const Eigen::MatrixBase<DerivedL>& L,
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Eigen::PlainObjectBase<DerivedA>& A);
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// doublearea_nan_replacement See doublearea.h
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template <typename DerivedL, typename DerivedA>
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IGL_INLINE void face_areas(
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const Eigen::MatrixBase<DerivedL>& L,
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const typename DerivedL::Scalar doublearea_nan_replacement,
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Eigen::PlainObjectBase<DerivedA>& A);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "face_areas.cpp"
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#endif
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#endif
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