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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.
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@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_VECTOR_AREA_MATRIX_H
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#define IGL_VECTOR_AREA_MATRIX_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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#include <Eigen/Sparse>
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namespace igl
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{
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// Constructs the symmetric area matrix A, s.t. [V.col(0)' V.col(1)'] * A *
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// [V.col(0); V.col(1)] is the **vector area** of the mesh (V,F).
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//
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// Templates:
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// DerivedV derived type of eigen matrix for V (e.g. derived from
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// MatrixXd)
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// DerivedF derived type of eigen matrix for F (e.g. derived from
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// MatrixXi)
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// Scalar scalar type for eigen sparse matrix (e.g. double)
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// Inputs:
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// F #F by 3 list of mesh faces (must be triangles)
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// Outputs:
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// A #Vx2 by #Vx2 area matrix
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//
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template <typename DerivedF, typename Scalar>
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IGL_INLINE void vector_area_matrix(
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const Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::SparseMatrix<Scalar>& A);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "vector_area_matrix.cpp"
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#endif
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#endif
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