43 lines
1.4 KiB
C
43 lines
1.4 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) 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_ARAP_RHS_H
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#define IGL_ARAP_RHS_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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#include <igl/ARAPEnergyType.h>
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namespace igl
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{
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// ARAP_RHS build right-hand side constructor of global poisson solve for
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// various Arap energies
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// Inputs:
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// V #V by Vdim list of initial domain positions
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// F #F by 3 list of triangle indices into V
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// dim dimension being used at solve time. For deformation usually dim =
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// V.cols(), for surface parameterization V.cols() = 3 and dim = 2
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// energy igl::ARAPEnergyType enum value defining which energy is being
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// used. See igl::ARAPEnergyType.h for valid options and explanations.
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// Outputs:
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// K #V*dim by #(F|V)*dim*dim matrix such that:
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// b = K * reshape(permute(R,[3 1 2]),size(V|F,1)*size(V,2)*size(V,2),1);
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//
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// See also: arap_linear_block
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IGL_INLINE void arap_rhs(
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const Eigen::MatrixXd & V,
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const Eigen::MatrixXi & F,
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const int dim,
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const igl::ARAPEnergyType energy,
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Eigen::SparseMatrix<double>& K);
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "arap_rhs.cpp"
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#endif
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#endif
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