65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2016 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_SWEPT_VOLUME_SIGNED_DISTANCE_H
|
|
#define IGL_SWEPT_VOLUME_SIGNED_DISTANCE_H
|
|
#include "igl_inline.h"
|
|
#include <Eigen/Core>
|
|
#include <Eigen/Geometry>
|
|
#include <functional>
|
|
namespace igl
|
|
{
|
|
// Compute the signed distance to a sweep surface of a mesh under-going
|
|
// an arbitrary motion V(t) discretely sampled at `steps`-many moments in
|
|
// time at a grid.
|
|
//
|
|
// Inputs:
|
|
// V #V by 3 list of mesh positions in reference pose
|
|
// F #F by 3 list of triangle indices [0,n)
|
|
// transform function handle so that transform(t) returns the rigid
|
|
// transformation at time t∈[0,1]
|
|
// steps number of time steps: steps=3 --> t∈{0,0.5,1}
|
|
// GV #GV by 3 list of evaluation point grid positions
|
|
// res 3-long resolution of GV grid
|
|
// h edge-length of grid
|
|
// isolevel isolevel to "focus" on; grid positions far enough away from
|
|
// isolevel (based on h) will get approximate values). Set
|
|
// isolevel=infinity to get good values everywhere (slow and
|
|
// unnecessary if just trying to extract isolevel-level set).
|
|
// S0 #GV initial values (will take minimum with these), can be same
|
|
// as S)
|
|
// Outputs:
|
|
// S #GV list of signed distances
|
|
IGL_INLINE void swept_volume_signed_distance(
|
|
const Eigen::MatrixXd & V,
|
|
const Eigen::MatrixXi & F,
|
|
const std::function<Eigen::Affine3d(const double t)> & transform,
|
|
const size_t & steps,
|
|
const Eigen::MatrixXd & GV,
|
|
const Eigen::RowVector3i & res,
|
|
const double h,
|
|
const double isolevel,
|
|
const Eigen::VectorXd & S0,
|
|
Eigen::VectorXd & S);
|
|
IGL_INLINE void swept_volume_signed_distance(
|
|
const Eigen::MatrixXd & V,
|
|
const Eigen::MatrixXi & F,
|
|
const std::function<Eigen::Affine3d(const double t)> & transform,
|
|
const size_t & steps,
|
|
const Eigen::MatrixXd & GV,
|
|
const Eigen::RowVector3i & res,
|
|
const double h,
|
|
const double isolevel,
|
|
Eigen::VectorXd & S);
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "swept_volume_signed_distance.cpp"
|
|
#endif
|
|
|
|
#endif
|