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54 lines
1.9 KiB
54 lines
1.9 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@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_COMISO_FRAMEFIELD_H
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#define IGL_COMISO_FRAMEFIELD_H
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#include "../../igl_inline.h"
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#include "../../PI.h"
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#include <Eigen/Dense>
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#include <vector>
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namespace igl
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{
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namespace copyleft
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{
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namespace comiso
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{
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/// Generate a piecewise-constant frame-field field from a sparse set of constraints on faces
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/// using the algorithm proposed in:
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/// Frame Fields: Anisotropic and Non-Orthogonal Cross Fields
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/// Daniele Panozzo, Enrico Puppo, Marco Tarini, Olga Sorkine-Hornung,
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/// ACM Transactions on Graphics (SIGGRAPH, 2014)
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///
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/// @param[in] V #V by 3 list of mesh vertex coordinates
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/// @param[in] F #F by 3 list of mesh faces (must be triangles)
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/// @param[in] b #B by 1 list of constrained face indices
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/// @param[in] bc1 #B by 3 list of the constrained first representative vector of the frame field (up to permutation and sign)
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/// @param[in] bc2 #B by 3 list of the constrained second representative vector of the frame field (up to permutation and sign)
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/// @param[out] FF1 #F by 3 the first representative vector of the frame field (up to permutation and sign)
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/// @param[out] FF2 #F by 3 the second representative vector of the frame field (up to permutation and sign)
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///
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/// \note it now supports only soft constraints, should be extended to support both hard and soft constraints
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IGL_INLINE void frame_field(
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const Eigen::MatrixXd& V,
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const Eigen::MatrixXi& F,
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const Eigen::VectorXi& b,
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const Eigen::MatrixXd& bc1,
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const Eigen::MatrixXd& bc2,
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Eigen::MatrixXd& FF1,
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Eigen::MatrixXd& FF2
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);
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}
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "frame_field.cpp"
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#endif
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#endif
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