mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-24 01:01:15 -06:00
Merged branch 'dev_native' into lm_sla_supports_auto
Added igl library files
This commit is contained in:
commit
7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
122
src/igl/is_boundary_edge.cpp
Normal file
122
src/igl/is_boundary_edge.cpp
Normal file
|
|
@ -0,0 +1,122 @@
|
|||
// 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/.
|
||||
#include "is_boundary_edge.h"
|
||||
#include "unique_rows.h"
|
||||
#include "sort.h"
|
||||
|
||||
template <
|
||||
typename DerivedF,
|
||||
typename DerivedE,
|
||||
typename DerivedB>
|
||||
void igl::is_boundary_edge(
|
||||
const Eigen::PlainObjectBase<DerivedE> & E,
|
||||
const Eigen::PlainObjectBase<DerivedF> & F,
|
||||
Eigen::PlainObjectBase<DerivedB> & B)
|
||||
{
|
||||
using namespace Eigen;
|
||||
using namespace std;
|
||||
// Should be triangles
|
||||
assert(F.cols() == 3);
|
||||
// Should be edges
|
||||
assert(E.cols() == 2);
|
||||
// number of faces
|
||||
const int m = F.rows();
|
||||
// Collect all directed edges after E
|
||||
MatrixXi EallE(E.rows()+3*m,2);
|
||||
EallE.block(0,0,E.rows(),E.cols()) = E;
|
||||
for(int e = 0;e<3;e++)
|
||||
{
|
||||
for(int f = 0;f<m;f++)
|
||||
{
|
||||
for(int c = 0;c<2;c++)
|
||||
{
|
||||
// 12 20 01
|
||||
EallE(E.rows()+m*e+f,c) = F(f,(c+1+e)%3);
|
||||
}
|
||||
}
|
||||
}
|
||||
// sort directed edges into undirected edges
|
||||
MatrixXi sorted_EallE,_;
|
||||
sort(EallE,2,true,sorted_EallE,_);
|
||||
// Determine unique undirected edges E and map to directed edges EMAP
|
||||
MatrixXi uE;
|
||||
VectorXi EMAP;
|
||||
unique_rows(sorted_EallE,uE,_,EMAP);
|
||||
// Counts of occurrences
|
||||
VectorXi N = VectorXi::Zero(uE.rows());
|
||||
for(int e = 0;e<EMAP.rows();e++)
|
||||
{
|
||||
N(EMAP(e))++;
|
||||
}
|
||||
B.resize(E.rows());
|
||||
// Look of occurrences of 2: one for original and another for boundary
|
||||
for(int e = 0;e<E.rows();e++)
|
||||
{
|
||||
B(e) = (N(EMAP(e)) == 2);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
template <
|
||||
typename DerivedF,
|
||||
typename DerivedE,
|
||||
typename DerivedB,
|
||||
typename DerivedEMAP>
|
||||
void igl::is_boundary_edge(
|
||||
const Eigen::PlainObjectBase<DerivedF> & F,
|
||||
Eigen::PlainObjectBase<DerivedB> & B,
|
||||
Eigen::PlainObjectBase<DerivedE> & E,
|
||||
Eigen::PlainObjectBase<DerivedEMAP> & EMAP)
|
||||
{
|
||||
using namespace Eigen;
|
||||
using namespace std;
|
||||
// Should be triangles
|
||||
assert(F.cols() == 3);
|
||||
// number of faces
|
||||
const int m = F.rows();
|
||||
// Collect all directed edges after E
|
||||
MatrixXi allE(3*m,2);
|
||||
for(int e = 0;e<3;e++)
|
||||
{
|
||||
for(int f = 0;f<m;f++)
|
||||
{
|
||||
for(int c = 0;c<2;c++)
|
||||
{
|
||||
// 12 20 01
|
||||
allE(m*e+f,c) = F(f,(c+1+e)%3);
|
||||
}
|
||||
}
|
||||
}
|
||||
// sort directed edges into undirected edges
|
||||
MatrixXi sorted_allE,_;
|
||||
sort(allE,2,true,sorted_allE,_);
|
||||
// Determine unique undirected edges E and map to directed edges EMAP
|
||||
unique_rows(sorted_allE,E,_,EMAP);
|
||||
// Counts of occurrences
|
||||
VectorXi N = VectorXi::Zero(E.rows());
|
||||
for(int e = 0;e<EMAP.rows();e++)
|
||||
{
|
||||
N(EMAP(e))++;
|
||||
}
|
||||
B.resize(E.rows());
|
||||
// Look of occurrences of 1
|
||||
for(int e = 0;e<E.rows();e++)
|
||||
{
|
||||
B(e) = N(e) == 1;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef IGL_STATIC_LIBRARY
|
||||
// Explicit template instantiation:
|
||||
template void igl::is_boundary_edge<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> >&);
|
||||
template void igl::is_boundary_edge<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<bool, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<bool, -1, 1, 0, -1, 1> >&);
|
||||
template void igl::is_boundary_edge<Eigen::Matrix<unsigned int, -1, -1, 1, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<bool, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, -1, 1, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<bool, -1, 1, 0, -1, 1> >&);
|
||||
template void igl::is_boundary_edge<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<bool, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<bool, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
|
||||
template void igl::is_boundary_edge<Eigen::Matrix<unsigned int, -1, -1, 1, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<bool, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<unsigned int, -1, -1, 1, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<bool, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
|
||||
template void igl::is_boundary_edge<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue