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Building igl statically and moving to the dep scripts
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.
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1095 changed files with 181 additions and 5 deletions
52
src/libigl/igl/knn.h
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52
src/libigl/igl/knn.h
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2018 Gavin Barill <gavinpcb@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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#ifndef IGL_KNN
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#define IGL_KNN
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <vector>
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namespace igl
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{
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// Given a 3D set of points P, an whole number k, and an octree
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// find the indicies of the k nearest neighbors for each point in P.
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// Note that each point is its own neighbor.
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//
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// The octree data structures used in this function are intended to be the
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// same ones output from igl::octree
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//
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// Inputs:
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// P #P by 3 list of point locations
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// k number of neighbors to find
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// point_indices a vector of vectors, where the ith entry is a vector of
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// the indices into P that are the ith octree cell's points
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// CH #OctreeCells by 8, where the ith row is the indices of
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// the ith octree cell's children
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// CN #OctreeCells by 3, where the ith row is a 3d row vector
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// representing the position of the ith cell's center
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// W #OctreeCells, a vector where the ith entry is the width
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// of the ith octree cell
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// Outputs:
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// I #P by k list of k-nearest-neighbor indices into P
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template <typename DerivedP, typename KType, typename IndexType,
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typename DerivedCH, typename DerivedCN, typename DerivedW,
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typename DerivedI>
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IGL_INLINE void knn(const Eigen::MatrixBase<DerivedP>& P,
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const KType & k,
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const std::vector<std::vector<IndexType> > & point_indices,
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const Eigen::MatrixBase<DerivedCH>& CH,
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const Eigen::MatrixBase<DerivedCN>& CN,
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const Eigen::MatrixBase<DerivedW>& W,
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Eigen::PlainObjectBase<DerivedI> & I);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "knn.cpp"
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#endif
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#endif
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