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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.
65 lines
2.5 KiB
C++
65 lines
2.5 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 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 "in_element.h"
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template <typename DerivedV, typename DerivedQ, int DIM>
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IGL_INLINE void igl::in_element(
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const Eigen::PlainObjectBase<DerivedV> & V,
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const Eigen::MatrixXi & Ele,
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const Eigen::PlainObjectBase<DerivedQ> & Q,
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const AABB<DerivedV,DIM> & aabb,
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Eigen::VectorXi & I)
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{
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using namespace std;
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using namespace Eigen;
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const int Qr = Q.rows();
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I.setConstant(Qr,1,-1);
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#pragma omp parallel for if (Qr>10000)
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for(int e = 0;e<Qr;e++)
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{
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// find all
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const auto R = aabb.find(V,Ele,Q.row(e).eval(),true);
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if(!R.empty())
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{
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I(e) = R[0];
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}
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}
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}
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template <typename DerivedV, typename DerivedQ, int DIM, typename Scalar>
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IGL_INLINE void igl::in_element(
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const Eigen::PlainObjectBase<DerivedV> & V,
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const Eigen::MatrixXi & Ele,
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const Eigen::PlainObjectBase<DerivedQ> & Q,
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const AABB<DerivedV,DIM> & aabb,
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Eigen::SparseMatrix<Scalar> & I)
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{
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using namespace std;
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using namespace Eigen;
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const int Qr = Q.rows();
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std::vector<Triplet<Scalar> > IJV;
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IJV.reserve(Qr);
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#pragma omp parallel for if (Qr>10000)
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for(int e = 0;e<Qr;e++)
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{
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// find all
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const auto R = aabb.find(V,Ele,Q.row(e).eval(),false);
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for(const auto r : R)
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{
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#pragma omp critical
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IJV.push_back(Triplet<Scalar>(e,r,1));
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}
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}
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I.resize(Qr,Ele.rows());
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I.setFromTriplets(IJV.begin(),IJV.end());
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}
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#ifdef IGL_STATIC_LIBRARY
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template void igl::in_element<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, 2>(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<int, -1, -1, 0, -1, -1> const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 2> const&, Eigen::Matrix<int, -1, 1, 0, -1, 1>&);
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template void igl::in_element<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, 3>(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::Matrix<int, -1, -1, 0, -1, -1> const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, igl::AABB<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 3> const&, Eigen::Matrix<int, -1, 1, 0, -1, 1>&);
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#endif
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