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https://github.com/FULU-Foundation/OrcaSlicer-bambulab.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
106 lines
4.0 KiB
C++
106 lines
4.0 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "trim_with_solid.h"
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#include "assign.h"
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#include "intersect_other.h"
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#include "point_solid_signed_squared_distance.h"
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#include "../../extract_manifold_patches.h"
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#include "../../list_to_matrix.h"
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#include "../../remove_unreferenced.h"
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#include "../../slice_mask.h"
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#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
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#include <vector>
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template <
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typename DerivedVA,
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typename DerivedFA,
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typename DerivedVB,
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typename DerivedFB,
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typename DerivedV,
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typename DerivedF,
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typename DerivedD,
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typename DerivedJ>
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IGL_INLINE void igl::copyleft::cgal::trim_with_solid(
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const Eigen::PlainObjectBase<DerivedVA> & VA,
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const Eigen::PlainObjectBase<DerivedFA> & FA,
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const Eigen::PlainObjectBase<DerivedVB> & VB,
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const Eigen::PlainObjectBase<DerivedFB> & FB,
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Eigen::PlainObjectBase<DerivedV> & Vd,
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Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedD> & D,
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Eigen::PlainObjectBase<DerivedJ> & J)
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{
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// resolve intersections using exact representation
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typedef Eigen::Matrix<CGAL::Epeck::FT,Eigen::Dynamic,3> MatrixX3E;
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typedef Eigen::Matrix<CGAL::Epeck::FT,Eigen::Dynamic,1> VectorXE;
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typedef Eigen::Matrix<CGAL::Epeck::FT,1,3> RowVector3E;
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MatrixX3E V;
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Eigen::MatrixXi _1;
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Eigen::VectorXi _2;
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// Intersect A and B meshes and stitch together new faces
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igl::copyleft::cgal::intersect_other(
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VA,FA,VB,FB,{false,false,true},_1,V,F,J,_2);
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// Partition result into manifold patches
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Eigen::VectorXi P;
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const size_t num_patches = igl::extract_manifold_patches(F,P);
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// only keep faces from A
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Eigen::Matrix<bool,Eigen::Dynamic,1> A = J.array()< FA.rows();
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igl::slice_mask(Eigen::MatrixXi(F),A,1,F);
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igl::slice_mask(Eigen::VectorXi(P),A,1,P);
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igl::slice_mask(Eigen::VectorXi(J),A,1,J);
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// Aggregate representative query points for each patch
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std::vector<bool> flag(num_patches);
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std::vector<std::vector<CGAL::Epeck::FT> > vQ;
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Eigen::VectorXi P2Q(num_patches);
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for(int f = 0;f<P.rows();f++)
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{
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const auto p = P(f);
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// if not yet processed this patch
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if(!flag[p])
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{
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P2Q(p) = vQ.size();
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std::vector<CGAL::Epeck::FT> q = {
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(V(F(f,0),0)+ V(F(f,1),0)+ V(F(f,2),0))/3.,
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(V(F(f,0),1)+ V(F(f,1),1)+ V(F(f,2),1))/3.,
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(V(F(f,0),2)+ V(F(f,1),2)+ V(F(f,2),2))/3.};
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vQ.emplace_back(q);
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flag[p] = true;
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}
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}
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MatrixX3E Q;
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igl::list_to_matrix(vQ,Q);
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VectorXE SP;
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point_solid_signed_squared_distance(Q,VB,FB,SP);
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Eigen::Matrix<bool,Eigen::Dynamic,1> DP = SP.array()>0;
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// distribute flag to all faces
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D.resize(F.rows());
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for(int f = 0;f<F.rows();f++)
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{
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D(f) = DP(P2Q(P(f)));
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}
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Eigen::VectorXi _;
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igl::remove_unreferenced(MatrixX3E(V),DerivedF(F),V,F,_);
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assign(V,Vd);
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}
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#ifdef IGL_STATIC_LIBRARY
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template void igl::copyleft::cgal::trim_with_solid<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1,
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-1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0,
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-1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>
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>(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int,
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-1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&,
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Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1,
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-1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&,
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Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1,
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1> >&);
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#endif
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