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.
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 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_INTERNAL_ANGLES_H
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#define IGL_INTERNAL_ANGLES_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// Compute internal angles for a triangle mesh
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//
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// Inputs:
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// V #V by dim eigen Matrix of mesh vertex nD positions
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// F #F by poly-size eigen Matrix of face (triangle) indices
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// Output:
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// K #F by poly-size eigen Matrix of internal angles
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// for triangles, columns correspond to edges [1,2],[2,0],[0,1]
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//
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// Known Issues:
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// if poly-size ≠ 3 then dim must equal 3.
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template <typename DerivedV, typename DerivedF, typename DerivedK>
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IGL_INLINE void internal_angles(
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const Eigen::MatrixBase<DerivedV>& V,
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const Eigen::MatrixBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedK> & K);
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// Inputs:
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// L_sq #F by 3 list of squared edge lengths
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// Output:
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// K #F by poly-size eigen Matrix of internal angles
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// for triangles, columns correspond to edges [1,2],[2,0],[0,1]
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//
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// Note:
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// Usage of internal_angles_using_squared_edge_lengths is preferred to internal_angles_using_squared_edge_lengths
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template <typename DerivedL, typename DerivedK>
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IGL_INLINE void internal_angles_using_squared_edge_lengths(
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const Eigen::MatrixBase<DerivedL>& L_sq,
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Eigen::PlainObjectBase<DerivedK> & K);
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// Inputs:
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// L #F by 3 list of edge lengths
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// Output:
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// K #F by poly-size eigen Matrix of internal angles
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// for triangles, columns correspond to edges [1,2],[2,0],[0,1]
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//
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// Note:
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// Usage of internal_angles_using_squared_edge_lengths is preferred to internal_angles_using_squared_edge_lengths
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// This function is deprecated and probably will be removed in future versions
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template <typename DerivedL, typename DerivedK>
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IGL_INLINE void internal_angles_using_edge_lengths(
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const Eigen::MatrixBase<DerivedL>& L,
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Eigen::PlainObjectBase<DerivedK> & K);}
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#ifndef IGL_STATIC_LIBRARY
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# include "internal_angles.cpp"
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#endif
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#endif
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