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34 lines
1 KiB
C++
34 lines
1 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 Alec Jacobson, Daniele Panozzo, Olga Diamanti
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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_ROTATION_MATRIX_FROM_DIRECTIONS_H
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#define IGL_ROTATION_MATRIX_FROM_DIRECTIONS_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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// Given 2 vectors centered on origin calculate the rotation matrix from
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// first to the second
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//
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// Inputs:
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// v0 3D column vector
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// v1 3D column vector
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// Output:
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// 3 by 3 rotation matrix that takes v0 to v1
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//
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template <typename Scalar>
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IGL_INLINE Eigen::Matrix<Scalar, 3, 3> rotation_matrix_from_directions(
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const Eigen::Matrix<Scalar, 3, 1> v0,
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const Eigen::Matrix<Scalar, 3, 1> v1);
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "rotation_matrix_from_directions.cpp"
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#endif
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#endif
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