mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-31 04:31:15 -06:00
95 lines
3.2 KiB
C++
95 lines
3.2 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2017 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_SHAPE_DIAMETER_FUNCTION_H
|
|
#define IGL_SHAPE_DIAMETER_FUNCTION_H
|
|
#include "igl_inline.h"
|
|
#include "AABB.h"
|
|
#include <Eigen/Core>
|
|
#include <functional>
|
|
namespace igl
|
|
{
|
|
// Compute shape diamater function per given point. In the parlence of the
|
|
// paper "Consistent Mesh Partitioning and Skeletonisation using the Shape
|
|
// Diameter Function" [Shapiro et al. 2008], this implementation uses a 180°
|
|
// cone and a _uniform_ average (_not_ a average weighted by inverse angles).
|
|
//
|
|
// Inputs:
|
|
// shoot_ray function handle that outputs hits of a given ray against a
|
|
// mesh (embedded in function handles as captured variable/data)
|
|
// P #P by 3 list of origin points
|
|
// N #P by 3 list of origin normals
|
|
// Outputs:
|
|
// S #P list of shape diamater function values between bounding box
|
|
// diagonal (perfect sphere) and 0 (perfect needle hook)
|
|
//
|
|
template <
|
|
typename DerivedP,
|
|
typename DerivedN,
|
|
typename DerivedS >
|
|
IGL_INLINE void shape_diameter_function(
|
|
const std::function<
|
|
double(
|
|
const Eigen::Vector3f&,
|
|
const Eigen::Vector3f&)
|
|
> & shoot_ray,
|
|
const Eigen::PlainObjectBase<DerivedP> & P,
|
|
const Eigen::PlainObjectBase<DerivedN> & N,
|
|
const int num_samples,
|
|
Eigen::PlainObjectBase<DerivedS> & S);
|
|
// Inputs:
|
|
// AABB axis-aligned bounding box hierarchy around (V,F)
|
|
template <
|
|
typename DerivedV,
|
|
int DIM,
|
|
typename DerivedF,
|
|
typename DerivedP,
|
|
typename DerivedN,
|
|
typename DerivedS >
|
|
IGL_INLINE void shape_diameter_function(
|
|
const igl::AABB<DerivedV,DIM> & aabb,
|
|
const Eigen::PlainObjectBase<DerivedV> & V,
|
|
const Eigen::PlainObjectBase<DerivedF> & F,
|
|
const Eigen::PlainObjectBase<DerivedP> & P,
|
|
const Eigen::PlainObjectBase<DerivedN> & N,
|
|
const int num_samples,
|
|
Eigen::PlainObjectBase<DerivedS> & S);
|
|
// Inputs:
|
|
// V #V by 3 list of mesh vertex positions
|
|
// F #F by 3 list of mesh face indices into V
|
|
template <
|
|
typename DerivedV,
|
|
typename DerivedF,
|
|
typename DerivedP,
|
|
typename DerivedN,
|
|
typename DerivedS >
|
|
IGL_INLINE void shape_diameter_function(
|
|
const Eigen::PlainObjectBase<DerivedV> & V,
|
|
const Eigen::PlainObjectBase<DerivedF> & F,
|
|
const Eigen::PlainObjectBase<DerivedP> & P,
|
|
const Eigen::PlainObjectBase<DerivedN> & N,
|
|
const int num_samples,
|
|
Eigen::PlainObjectBase<DerivedS> & S);
|
|
// per_face whether to compute per face (S is #F by 1) or per vertex (S is
|
|
// #V by 1)
|
|
template <
|
|
typename DerivedV,
|
|
typename DerivedF,
|
|
typename DerivedS>
|
|
IGL_INLINE void shape_diameter_function(
|
|
const Eigen::PlainObjectBase<DerivedV> & V,
|
|
const Eigen::PlainObjectBase<DerivedF> & F,
|
|
const bool per_face,
|
|
const int num_samples,
|
|
Eigen::PlainObjectBase<DerivedS> & S);
|
|
};
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "shape_diameter_function.cpp"
|
|
#endif
|
|
|
|
#endif
|
|
|