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https://github.com/SoftFever/OrcaSlicer.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.
96 lines
4.4 KiB
C++
96 lines
4.4 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 Qingnan Zhou <qnzhou@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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//
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#include "resolve_duplicated_faces.h"
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#include "slice.h"
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#include "unique_simplices.h"
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template<
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typename DerivedF1,
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typename DerivedF2,
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typename DerivedJ >
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IGL_INLINE void igl::resolve_duplicated_faces(
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const Eigen::PlainObjectBase<DerivedF1>& F1,
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Eigen::PlainObjectBase<DerivedF2>& F2,
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Eigen::PlainObjectBase<DerivedJ>& J) {
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//typedef typename DerivedF1::Scalar Index;
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Eigen::VectorXi IA,IC;
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DerivedF1 uF;
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igl::unique_simplices(F1,uF,IA,IC);
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const size_t num_faces = F1.rows();
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const size_t num_unique_faces = uF.rows();
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assert((size_t) IA.rows() == num_unique_faces);
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// faces on top of each unique face
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std::vector<std::vector<int> > uF2F(num_unique_faces);
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// signed counts
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Eigen::VectorXi counts = Eigen::VectorXi::Zero(num_unique_faces);
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Eigen::VectorXi ucounts = Eigen::VectorXi::Zero(num_unique_faces);
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// loop over all faces
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for (size_t i=0; i<num_faces; i++) {
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const size_t ui = IC(i);
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const bool consistent =
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(F1(i,0) == uF(ui, 0) && F1(i,1) == uF(ui, 1) && F1(i,2) == uF(ui, 2)) ||
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(F1(i,0) == uF(ui, 1) && F1(i,1) == uF(ui, 2) && F1(i,2) == uF(ui, 0)) ||
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(F1(i,0) == uF(ui, 2) && F1(i,1) == uF(ui, 0) && F1(i,2) == uF(ui, 1));
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uF2F[ui].push_back(int(i+1) * (consistent?1:-1));
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counts(ui) += consistent ? 1:-1;
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ucounts(ui)++;
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}
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std::vector<size_t> kept_faces;
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for (size_t i=0; i<num_unique_faces; i++) {
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if (ucounts[i] == 1) {
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kept_faces.push_back(abs(uF2F[i][0])-1);
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continue;
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}
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if (counts[i] == 1) {
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bool found = false;
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for (auto fid : uF2F[i]) {
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if (fid > 0) {
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kept_faces.push_back(abs(fid)-1);
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found = true;
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break;
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}
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}
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assert(found);
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} else if (counts[i] == -1) {
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bool found = false;
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for (auto fid : uF2F[i]) {
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if (fid < 0) {
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kept_faces.push_back(abs(fid)-1);
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found = true;
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break;
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}
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}
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assert(found);
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} else {
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assert(counts[i] == 0);
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}
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}
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const size_t num_kept = kept_faces.size();
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J.resize(num_kept, 1);
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std::copy(kept_faces.begin(), kept_faces.end(), J.data());
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igl::slice(F1, J, 1, F2);
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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// generated by autoexplicit.sh
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template void igl::resolve_duplicated_faces<Eigen::Matrix<int, -1, 3, 1, -1, 3>, Eigen::Matrix<int, -1, 3, 1, -1, 3>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 1, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 1, -1, 3> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
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template void igl::resolve_duplicated_faces<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -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<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
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template void igl::resolve_duplicated_faces<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<long, -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> >&, Eigen::PlainObjectBase<Eigen::Matrix<long, -1, 1, 0, -1, 1> >&);
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template void igl::resolve_duplicated_faces<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -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<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
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#ifdef WIN32
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template void igl::resolve_duplicated_faces<class Eigen::Matrix<int, -1, -1, 0, -1, -1>, class Eigen::Matrix<int, -1, -1, 0, -1, -1>, class Eigen::Matrix<__int64, -1, 1, 0, -1, 1>>(class Eigen::PlainObjectBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class Eigen::PlainObjectBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> &, class Eigen::PlainObjectBase<class Eigen::Matrix<__int64, -1, 1, 0, -1, 1>> &);
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#endif
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#endif
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