File size: 1,969 Bytes
5b89cb9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | // This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 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_EMBREE_SHAPE_DIAMETER_FUNCTION_H
#define IGL_EMBREE_SHAPE_DIAMETER_FUNCTION_H
#include "../igl_inline.h"
#include <Eigen/Core>
namespace igl
{
namespace embree
{
// Forward define
class EmbreeIntersector;
// Compute shape diamter function per given point
//
// Inputs:
// ei EmbreeIntersector containing (V,F)
// 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 EmbreeIntersector & ei,
const Eigen::PlainObjectBase<DerivedP> & P,
const Eigen::PlainObjectBase<DerivedN> & N,
const int num_samples,
Eigen::PlainObjectBase<DerivedS> & S);
// Wrapper which builds new EmbreeIntersector for (V,F). That's expensive so
// avoid this if repeatedly calling.
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);
}
};
#ifndef IGL_STATIC_LIBRARY
# include "shape_diameter_function.cpp"
#endif
#endif
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