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https://github.com/FULU-Foundation/OrcaSlicer-bambulab.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.
123 lines
3.8 KiB
C++
123 lines
3.8 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_HARMONIC_H
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#define IGL_HARMONIC_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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namespace igl
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{
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// Compute k-harmonic weight functions "coordinates".
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//
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//
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// Inputs:
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// V #V by dim vertex positions
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// F #F by simplex-size list of element indices
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// b #b boundary indices into V
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// bc #b by #W list of boundary values
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// k power of harmonic operation (1: harmonic, 2: biharmonic, etc)
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// Outputs:
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// W #V by #W list of weights
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//
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template <
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typename DerivedV,
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typename DerivedF,
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typename Derivedb,
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typename Derivedbc,
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typename DerivedW>
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IGL_INLINE bool harmonic(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedF> & F,
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const Eigen::MatrixBase<Derivedb> & b,
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const Eigen::MatrixBase<Derivedbc> & bc,
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const int k,
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Eigen::PlainObjectBase<DerivedW> & W);
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// Compute harmonic map using uniform laplacian operator
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//
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// Inputs:
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// F #F by simplex-size list of element indices
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// b #b boundary indices into V
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// bc #b by #W list of boundary values
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// k power of harmonic operation (1: harmonic, 2: biharmonic, etc)
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// Outputs:
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// W #V by #W list of weights
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//
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template <
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typename DerivedF,
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typename Derivedb,
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typename Derivedbc,
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typename DerivedW>
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IGL_INLINE bool harmonic(
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const Eigen::MatrixBase<DerivedF> & F,
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const Eigen::MatrixBase<Derivedb> & b,
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const Eigen::MatrixBase<Derivedbc> & bc,
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const int k,
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Eigen::PlainObjectBase<DerivedW> & W);
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// Compute a harmonic map using a given Laplacian and mass matrix
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//
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// Inputs:
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// L #V by #V discrete (integrated) Laplacian
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// M #V by #V mass matrix
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// b #b boundary indices into V
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// bc #b by #W list of boundary values
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// k power of harmonic operation (1: harmonic, 2: biharmonic, etc)
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// Outputs:
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// W #V by #V list of weights
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template <
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typename DerivedL,
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typename DerivedM,
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typename Derivedb,
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typename Derivedbc,
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typename DerivedW>
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IGL_INLINE bool harmonic(
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const Eigen::SparseMatrix<DerivedL> & L,
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const Eigen::SparseMatrix<DerivedM> & M,
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const Eigen::MatrixBase<Derivedb> & b,
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const Eigen::MatrixBase<Derivedbc> & bc,
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const int k,
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Eigen::PlainObjectBase<DerivedW> & W);
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// Build the discrete k-harmonic operator (computing integrated quantities).
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// That is, if the k-harmonic PDE is Q x = 0, then this minimizes x' Q x
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//
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// Inputs:
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// L #V by #V discrete (integrated) Laplacian
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// M #V by #V mass matrix
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// k power of harmonic operation (1: harmonic, 2: biharmonic, etc)
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// Outputs:
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// Q #V by #V discrete (integrated) k-Laplacian
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template <
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typename DerivedL,
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typename DerivedM,
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typename DerivedQ>
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IGL_INLINE void harmonic(
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const Eigen::SparseMatrix<DerivedL> & L,
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const Eigen::SparseMatrix<DerivedM> & M,
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const int k,
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Eigen::SparseMatrix<DerivedQ> & Q);
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// Inputs:
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// V #V by dim vertex positions
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// F #F by simplex-size list of element indices
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// k power of harmonic operation (1: harmonic, 2: biharmonic, etc)
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// Outputs:
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// Q #V by #V discrete (integrated) k-Laplacian
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedQ>
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IGL_INLINE void harmonic(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedF> & F,
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const int k,
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Eigen::SparseMatrix<DerivedQ> & Q);
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};
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#ifndef IGL_STATIC_LIBRARY
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#include "harmonic.cpp"
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#endif
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#endif
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