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.
54 lines
1.9 KiB
54 lines
1.9 KiB
1 year ago
|
#ifndef IGL_COPYLEFT_CGAL_HALF_SPACE_BOX_H
|
||
|
|
#define IGL_COPYLEFT_CGAL_HALF_SPACE_BOX_H
|
||
|
|
#include "../../igl_inline.h"
|
||
|
|
#include <Eigen/Core>
|
||
|
|
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
|
||
|
|
#include <CGAL/Plane_3.h>
|
||
|
|
|
||
|
|
namespace igl
|
||
|
|
{
|
||
|
|
namespace copyleft
|
||
|
|
{
|
||
|
|
namespace cgal
|
||
|
|
{
|
||
|
|
/// Construct a mesh of box (BV,BF) so that it contains the intersection of
|
||
|
|
/// the half-space under the plane (P) and the bounding box of V, and does not
|
||
|
|
/// contain any of the half-space above (P).
|
||
|
|
///
|
||
|
|
/// @param[in] P plane so that normal points away from half-space
|
||
|
|
/// @param[in] V #V by 3 list of vertex positions
|
||
|
|
/// @param[out] BV #BV by 3 list of box vertex positions
|
||
|
|
/// @param[out] BF #BF b3 list of box triangle indices into BV
|
||
|
|
template <typename DerivedV>
|
||
|
|
IGL_INLINE void half_space_box(
|
||
|
|
const CGAL::Plane_3<CGAL::Epeck> & P,
|
||
|
|
const Eigen::MatrixBase<DerivedV> & V,
|
||
|
|
Eigen::Matrix<CGAL::Epeck::FT,8,3> & BV,
|
||
|
|
Eigen::Matrix<int,12,3> & BF);
|
||
|
|
/// \overload
|
||
|
|
/// @param[in] p 3d point on plane
|
||
|
|
/// @param[in] n 3d vector of normal of plane pointing away from inside
|
||
|
|
template <typename Derivedp, typename Derivedn, typename DerivedV>
|
||
|
|
IGL_INLINE void half_space_box(
|
||
|
|
const Eigen::MatrixBase<Derivedp> & p,
|
||
|
|
const Eigen::MatrixBase<Derivedn> & n,
|
||
|
|
const Eigen::MatrixBase<DerivedV> & V,
|
||
|
|
Eigen::Matrix<CGAL::Epeck::FT,8,3> & BV,
|
||
|
|
Eigen::Matrix<int,12,3> & BF);
|
||
|
|
/// \overload
|
||
|
|
/// @param[in] equ plane equation: a*x+b*y+c*z + d = 0
|
||
|
|
template <typename Derivedequ, typename DerivedV>
|
||
|
|
IGL_INLINE void half_space_box(
|
||
|
|
const Eigen::MatrixBase<Derivedequ> & equ,
|
||
|
|
const Eigen::MatrixBase<DerivedV> & V,
|
||
|
|
Eigen::Matrix<CGAL::Epeck::FT,8,3> & BV,
|
||
|
|
Eigen::Matrix<int,12,3> & BF);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef IGL_STATIC_LIBRARY
|
||
|
|
# include "half_space_box.cpp"
|
||
|
|
#endif
|
||
|
|
#endif
|