58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#ifndef IGL_COMISO_FRAMEFIELD_H
|
|
#define IGL_COMISO_FRAMEFIELD_H
|
|
|
|
#include <igl/igl_inline.h>
|
|
#include <igl/PI.h>
|
|
#include <Eigen/Dense>
|
|
#include <vector>
|
|
|
|
namespace igl
|
|
{
|
|
namespace copyleft
|
|
{
|
|
namespace comiso
|
|
{
|
|
// Generate a piecewise-constant frame-field field from a sparse set of constraints on faces
|
|
// using the algorithm proposed in:
|
|
// Frame Fields: Anisotropic and Non-Orthogonal Cross Fields
|
|
// Daniele Panozzo, Enrico Puppo, Marco Tarini, Olga Sorkine-Hornung,
|
|
// ACM Transactions on Graphics (SIGGRAPH, 2014)
|
|
//
|
|
// Inputs:
|
|
// V #V by 3 list of mesh vertex coordinates
|
|
// F #F by 3 list of mesh faces (must be triangles)
|
|
// b #B by 1 list of constrained face indices
|
|
// bc1 #B by 3 list of the constrained first representative vector of the frame field (up to permutation and sign)
|
|
// bc2 #B by 3 list of the constrained second representative vector of the frame field (up to permutation and sign)
|
|
//
|
|
// Outputs:
|
|
// FF1 #F by 3 the first representative vector of the frame field (up to permutation and sign)
|
|
// FF2 #F by 3 the second representative vector of the frame field (up to permutation and sign)
|
|
//
|
|
// TODO: it now supports only soft constraints, should be extended to support both hard and soft constraints
|
|
IGL_INLINE void frame_field(
|
|
const Eigen::MatrixXd& V,
|
|
const Eigen::MatrixXi& F,
|
|
const Eigen::VectorXi& b,
|
|
const Eigen::MatrixXd& bc1,
|
|
const Eigen::MatrixXd& bc2,
|
|
Eigen::MatrixXd& FF1,
|
|
Eigen::MatrixXd& FF2
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "frame_field.cpp"
|
|
#endif
|
|
|
|
#endif
|