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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
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Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
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src/igl/barycentric_to_global.h Executable file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 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_BARYCENTRIC2GLOBAL_H
#define IGL_BARYCENTRIC2GLOBAL_H
#include <igl/igl_inline.h>
#include <Eigen/Dense>
#include <Eigen/Sparse>
namespace igl
{
// Converts barycentric coordinates in the embree form to 3D coordinates
// Embree stores barycentric coordinates as triples: fid, bc1, bc2
// fid is the id of a face, bc1 is the displacement of the point wrt the
// first vertex v0 and the edge v1-v0. Similarly, bc2 is the displacement
// wrt v2-v0.
//
// Input:
// V: #Vx3 Vertices of the mesh
// F: #Fxe Faces of the mesh
// bc: #Xx3 Barycentric coordinates, one row per point
//
// Output:
// #X: #Xx3 3D coordinates of all points in bc
template <typename Scalar, typename Index>
IGL_INLINE Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic>
barycentric_to_global(
const Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> & V,
const Eigen::Matrix<Index,Eigen::Dynamic,Eigen::Dynamic> & F,
const Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> & bc);
}
#ifndef IGL_STATIC_LIBRARY
# include "barycentric_to_global.cpp"
#endif
#endif