69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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// 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_BARYCENTRIC_COORDINATES_H
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#define IGL_BARYCENTRIC_COORDINATES_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 barycentric coordinates in a tet
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//
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// Inputs:
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// P #P by 3 Query points in 3d
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// A #P by 3 Tet corners in 3d
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// B #P by 3 Tet corners in 3d
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// C #P by 3 Tet corners in 3d
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// D #P by 3 Tet corners in 3d
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// Outputs:
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// L #P by 4 list of barycentric coordinates
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//
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template <
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typename DerivedP,
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typename DerivedA,
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typename DerivedB,
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typename DerivedC,
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typename DerivedD,
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typename DerivedL>
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IGL_INLINE void barycentric_coordinates(
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const Eigen::MatrixBase<DerivedP> & P,
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const Eigen::MatrixBase<DerivedA> & A,
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const Eigen::MatrixBase<DerivedB> & B,
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const Eigen::MatrixBase<DerivedC> & C,
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const Eigen::MatrixBase<DerivedD> & D,
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Eigen::PlainObjectBase<DerivedL> & L);
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// Compute barycentric coordinates in a triangle
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//
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// Inputs:
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// P #P by dim Query points
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// A #P by dim Triangle corners
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// B #P by dim Triangle corners
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// C #P by dim Triangle corners
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// Outputs:
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// L #P by 3 list of barycentric coordinates
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//
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template <
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typename DerivedP,
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typename DerivedA,
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typename DerivedB,
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typename DerivedC,
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typename DerivedL>
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IGL_INLINE void barycentric_coordinates(
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const Eigen::MatrixBase<DerivedP> & P,
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const Eigen::MatrixBase<DerivedA> & A,
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const Eigen::MatrixBase<DerivedB> & B,
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const Eigen::MatrixBase<DerivedC> & C,
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Eigen::PlainObjectBase<DerivedL> & L);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "barycentric_coordinates.cpp"
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#endif
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#endif
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