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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.
53 lines
1.9 KiB
C++
53 lines
1.9 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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#ifndef IGL_EDGE_FLAPS_H
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#define IGL_EDGE_FLAPS_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// Determine "edge flaps": two faces on either side of a unique edge (assumes
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// edge-manifold mesh)
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//
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// Inputs:
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// F #F by 3 list of face indices
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// E #E by 2 list of edge indices into V.
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// EMAP #F*3 list of indices into E, mapping each directed edge to unique
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// unique edge in E
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// Outputs:
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// EF #E by 2 list of edge flaps, EF(e,0)=f means e=(i-->j) is the edge of
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// F(f,:) opposite the vth corner, where EI(e,0)=v. Similarly EF(e,1) "
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// e=(j->i)
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// EI #E by 2 list of edge flap corners (see above).
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//
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// TODO: This seems to be a duplicate of edge_topology.h
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// igl::edge_topology(V,F,etEV,etFE,etEF);
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// igl::edge_flaps(F,efE,efEMAP,efEF,efEI);
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// [~,I] = sort(efE,2)
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// all( efE(sub2ind(size(efE),repmat(1:size(efE,1),2,1)',I)) == etEV )
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// all( efEF(sub2ind(size(efE),repmat(1:size(efE,1),2,1)',I)) == etEF )
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// all(efEMAP(sub2ind(size(F),repmat(1:size(F,1),3,1)',repmat([1 2 3],size(F,1),1))) == etFE(:,[2 3 1]))
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IGL_INLINE void edge_flaps(
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const Eigen::MatrixXi & F,
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const Eigen::MatrixXi & E,
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const Eigen::VectorXi & EMAP,
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Eigen::MatrixXi & EF,
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Eigen::MatrixXi & EI);
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// Only faces as input
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IGL_INLINE void edge_flaps(
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const Eigen::MatrixXi & F,
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Eigen::MatrixXi & E,
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Eigen::VectorXi & EMAP,
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Eigen::MatrixXi & EF,
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Eigen::MatrixXi & EI);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "edge_flaps.cpp"
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#endif
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#endif
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