You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.0 KiB
68 lines
2.0 KiB
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2014 Alec Jacobson <alecjacobson@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_BARYCENTRIC_COORDINATES_H
|
|
#define IGL_BARYCENTRIC_COORDINATES_H
|
|
#include "igl_inline.h"
|
|
#include <Eigen/Core>
|
|
namespace igl
|
|
{
|
|
// Compute barycentric coordinates in a tet
|
|
//
|
|
// Inputs:
|
|
// P #P by 3 Query points in 3d
|
|
// A #P by 3 Tet corners in 3d
|
|
// B #P by 3 Tet corners in 3d
|
|
// C #P by 3 Tet corners in 3d
|
|
// D #P by 3 Tet corners in 3d
|
|
// Outputs:
|
|
// L #P by 4 list of barycentric coordinates
|
|
//
|
|
template <
|
|
typename DerivedP,
|
|
typename DerivedA,
|
|
typename DerivedB,
|
|
typename DerivedC,
|
|
typename DerivedD,
|
|
typename DerivedL>
|
|
IGL_INLINE void barycentric_coordinates(
|
|
const Eigen::MatrixBase<DerivedP> & P,
|
|
const Eigen::MatrixBase<DerivedA> & A,
|
|
const Eigen::MatrixBase<DerivedB> & B,
|
|
const Eigen::MatrixBase<DerivedC> & C,
|
|
const Eigen::MatrixBase<DerivedD> & D,
|
|
Eigen::PlainObjectBase<DerivedL> & L);
|
|
// Compute barycentric coordinates in a triangle
|
|
//
|
|
// Inputs:
|
|
// P #P by dim Query points
|
|
// A #P by dim Triangle corners
|
|
// B #P by dim Triangle corners
|
|
// C #P by dim Triangle corners
|
|
// Outputs:
|
|
// L #P by 3 list of barycentric coordinates
|
|
//
|
|
template <
|
|
typename DerivedP,
|
|
typename DerivedA,
|
|
typename DerivedB,
|
|
typename DerivedC,
|
|
typename DerivedL>
|
|
IGL_INLINE void barycentric_coordinates(
|
|
const Eigen::MatrixBase<DerivedP> & P,
|
|
const Eigen::MatrixBase<DerivedA> & A,
|
|
const Eigen::MatrixBase<DerivedB> & B,
|
|
const Eigen::MatrixBase<DerivedC> & C,
|
|
Eigen::PlainObjectBase<DerivedL> & L);
|
|
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "barycentric_coordinates.cpp"
|
|
#endif
|
|
|
|
#endif
|
|
|