blob: 5a1c370c12259033d7fb9acfbc8f3515941a1601 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_ARAP_RHS_H
#define IGL_ARAP_RHS_H
#include "igl_inline.h"
#include <Eigen/Dense>
#include <Eigen/Sparse>
#include <igl/ARAPEnergyType.h>
namespace igl
{
// ARAP_RHS build right-hand side constructor of global poisson solve for
// various Arap energies
// Inputs:
// V #V by Vdim list of initial domain positions
// F #F by 3 list of triangle indices into V
// dim dimension being used at solve time. For deformation usually dim =
// V.cols(), for surface parameterization V.cols() = 3 and dim = 2
// energy igl::ARAPEnergyType enum value defining which energy is being
// used. See igl::ARAPEnergyType.h for valid options and explanations.
// Outputs:
// K #V*dim by #(F|V)*dim*dim matrix such that:
// b = K * reshape(permute(R,[3 1 2]),size(V|F,1)*size(V,2)*size(V,2),1);
//
// See also: arap_linear_block
IGL_INLINE void arap_rhs(
const Eigen::MatrixXd & V,
const Eigen::MatrixXi & F,
const int dim,
const igl::ARAPEnergyType energy,
Eigen::SparseMatrix<double>& K);
}
#ifndef IGL_STATIC_LIBRARY
#include "arap_rhs.cpp"
#endif
#endif
|
