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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.
82 lines
2.5 KiB
C++
82 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) 2013 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_UPSAMPLE_H
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#define IGL_UPSAMPLE_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <Eigen/Sparse>
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// History:
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// changed templates from generic matrices to PlainObjectBase Alec May 7, 2011
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namespace igl
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{
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// Subdivide without moving vertices: Given the triangle mesh [V, F],
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// where n_verts = V.rows(), computes newV and a sparse matrix S s.t.
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// [newV, newF] is the subdivided mesh where newV = S*V.
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//
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// Inputs:
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// n_verts an integer (number of mesh vertices)
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// F an m by 3 matrix of integers of triangle faces
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// Outputs:
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// S a sparse matrix (will become the subdivision matrix)
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// newF a matrix containing the new faces
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template <
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typename DerivedF,
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typename SType,
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typename DerivedNF>
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IGL_INLINE void upsample(
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const int n_verts,
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const Eigen::PlainObjectBase<DerivedF>& F,
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Eigen::SparseMatrix<SType>& S,
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Eigen::PlainObjectBase<DerivedNF>& NF);
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// Subdivide a mesh without moving vertices: loop subdivision but odd
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// vertices stay put and even vertices are just edge midpoints
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//
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// Templates:
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// MatV matrix for vertex positions, e.g. MatrixXd
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// MatF matrix for vertex positions, e.g. MatrixXi
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// Inputs:
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// V #V by dim mesh vertices
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// F #F by 3 mesh triangles
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// Outputs:
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// NV new vertex positions, V is guaranteed to be at top
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// NF new list of face indices
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//
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// NOTE: V should not be the same as NV,
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// NOTE: F should not be the same as NF, use other proto
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//
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// Known issues:
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// - assumes (V,F) is edge-manifold.
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedNV,
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typename DerivedNF>
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IGL_INLINE void upsample(
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const Eigen::PlainObjectBase<DerivedV>& V,
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const Eigen::PlainObjectBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedNV>& NV,
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Eigen::PlainObjectBase<DerivedNF>& NF,
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const int number_of_subdivs = 1);
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// Virtually in place wrapper
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template <
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typename MatV,
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typename MatF>
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IGL_INLINE void upsample(
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MatV& V,
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MatF& F,
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const int number_of_subdivs = 1);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "upsample.cpp"
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#endif
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#endif
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