66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
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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) 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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#ifndef IGL_COMBINE_H
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#define IGL_COMBINE_H
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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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// Concatenate k meshes into a single >=k connected component mesh with a
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// single vertex list and face list. Similar to Maya's Combine operation.
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//
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// Inputs:
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// VV k-long list of lists of mesh vertex positions
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// FF k-long list of lists of mesh face indices so that FF[i] indexes
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// VV[i]
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// Outputs:
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// V VV[0].rows()+...+VV[k-1].rows() by VV[0].cols() list of mesh
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// vertex positions
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// F FF[0].rows()+...+FF[k-1].rows() by FF[0].cols() list of mesh faces
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// indices into V
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// Vsizes k list so that Vsizes(i) is the #vertices in the ith input
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// Fsizes k list so that Fsizes(i) is the #faces in the ith input
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// Example:
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// // Suppose you have mesh A (VA,FA) and mesh B (VB,FB)
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// igl::combine<Eigen::MatrixXd,Eigen::MatrixXi>({VA,VB},{FA,FB},V,F);
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//
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//
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template <
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typename DerivedVV,
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typename DerivedFF,
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typename DerivedV,
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typename DerivedF,
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typename DerivedVsizes,
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typename DerivedFsizes>
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IGL_INLINE void combine(
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const std::vector<DerivedVV> & VV,
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const std::vector<DerivedFF> & FF,
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Eigen::PlainObjectBase<DerivedV> & V,
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Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedVsizes> & Vsizes,
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Eigen::PlainObjectBase<DerivedFsizes> & Fsizes);
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template <
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typename DerivedVV,
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typename DerivedFF,
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typename DerivedV,
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typename DerivedF>
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IGL_INLINE void combine(
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const std::vector<DerivedVV> & VV,
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const std::vector<DerivedFF> & FF,
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Eigen::PlainObjectBase<DerivedV> & V,
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Eigen::PlainObjectBase<DerivedF> & F);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "combine.cpp"
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#endif
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#endif
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