50 lines
1.8 KiB
50 lines
1.8 KiB
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2020 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_EXPLODED_VIEW_H
|
|
#define IGL_EXPLODED_VIEW_H
|
|
#include "igl_inline.h"
|
|
#include <Eigen/Core>
|
|
namespace igl
|
|
{
|
|
// Given a tet-mesh, create a trivial surface mesh (4 triangles per tet) with
|
|
// each tet scaled individually and translated outward from the mesh's
|
|
// centroid, creating an exploded-view visualization.
|
|
//
|
|
// Inputs:
|
|
// V #V by 3 list of tet mesh vertex positions
|
|
// T #T by 4 list of tet mesh indices into rows of V
|
|
// s amount to scale each tet indvidually, typically (0,1]
|
|
// t amount to scale away from mesh's centroid, typically >=1
|
|
// Outputs:
|
|
// EV #T*4 by 3 list of output mesh vertex positions
|
|
// EF #T*4 by 3 list of output triangle indices into rows of EV
|
|
// I #EV list of indices into V revealing birth parent
|
|
// J #EF list of indices into F revealing birth parent
|
|
template <
|
|
typename DerivedV,
|
|
typename DerivedT,
|
|
typename DerivedEV,
|
|
typename DerivedEF,
|
|
typename DerivedI,
|
|
typename DerivedJ>
|
|
IGL_INLINE void exploded_view(
|
|
const Eigen::MatrixBase<DerivedV> & V,
|
|
const Eigen::MatrixBase<DerivedT> & T,
|
|
const typename DerivedV::Scalar s,
|
|
const typename DerivedV::Scalar t,
|
|
Eigen::PlainObjectBase<DerivedEV> & EV,
|
|
Eigen::PlainObjectBase<DerivedEF> & EF,
|
|
Eigen::PlainObjectBase<DerivedI> & I,
|
|
Eigen::PlainObjectBase<DerivedJ> & J);
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "exploded_view.cpp"
|
|
#endif
|
|
|
|
#endif
|
|
|