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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
2865 changed files with 142806 additions and 22325 deletions
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src/igl/in_element.h Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2015 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_IN_ELEMENT_H
#define IGL_IN_ELEMENT_H
#include "igl_inline.h"
#include "AABB.h"
#include <Eigen/Core>
#include <Eigen/Sparse>
namespace igl
{
// Determine whether each point in a list of points is in the elements of a
// mesh.
//
// templates:
// DIM dimension of vertices in V (# of columns)
// Inputs:
// V #V by dim list of mesh vertex positions.
// Ele #Ele by dim+1 list of mesh indices into #V.
// Q #Q by dim list of query point positions
// aabb axis-aligned bounding box tree object (see AABB.h)
// Outputs:
// I #Q list of indices into Ele of first containing element (-1 means no
// containing element)
template <typename DerivedV, typename DerivedQ, int DIM>
IGL_INLINE void in_element(
const Eigen::PlainObjectBase<DerivedV> & V,
const Eigen::MatrixXi & Ele,
const Eigen::PlainObjectBase<DerivedQ> & Q,
const AABB<DerivedV,DIM> & aabb,
Eigen::VectorXi & I);
// Outputs:
// I #Q by #Ele sparse matrix revealing whether each element contains each
// point: I(q,e) means point q is in element e
template <typename DerivedV, typename DerivedQ, int DIM, typename Scalar>
IGL_INLINE void in_element(
const Eigen::PlainObjectBase<DerivedV> & V,
const Eigen::MatrixXi & Ele,
const Eigen::PlainObjectBase<DerivedQ> & Q,
const AABB<DerivedV,DIM> & aabb,
Eigen::SparseMatrix<Scalar> & I);
};
#ifndef IGL_STATIC_LIBRARY
#include "in_element.cpp"
#endif
#endif