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65 lines
2.1 KiB
65 lines
2.1 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2020 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_MARCHING_CUBES_H
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#define IGL_MARCHING_CUBES_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// marching_cubes( values, points, x_res, y_res, z_res, isovalue, vertices, faces )
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//
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// performs marching cubes reconstruction on a grid defined by values, and
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// points, and generates a mesh defined by vertices and faces
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//
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// Input:
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// S nx*ny*nz list of values at each grid corner
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// i.e. S(x + y*xres + z*xres*yres) for corner (x,y,z)
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// GV nx*ny*nz by 3 array of corresponding grid corner vertex locations
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// nx resolutions of the grid in x dimension
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// ny resolutions of the grid in y dimension
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// nz resolutions of the grid in z dimension
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// isovalue the isovalue of the surface to reconstruct
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// Output:
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// V #V by 3 list of mesh vertex positions
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// F #F by 3 list of mesh triangle indices into rows of V
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//
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template <
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typename DerivedS,
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typename DerivedGV,
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typename DerivedV,
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typename DerivedF>
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IGL_INLINE void marching_cubes(
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const Eigen::MatrixBase<DerivedS> & S,
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const Eigen::MatrixBase<DerivedGV> & GV,
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const unsigned nx,
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const unsigned ny,
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const unsigned nz,
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const typename DerivedS::Scalar isovalue,
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Eigen::PlainObjectBase<DerivedV> &V,
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Eigen::PlainObjectBase<DerivedF> &F);
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template <
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typename DerivedS,
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typename DerivedGV,
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typename DerivedGI,
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typename DerivedV,
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typename DerivedF>
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IGL_INLINE void marching_cubes(
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const Eigen::MatrixBase<DerivedS> & S,
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const Eigen::MatrixBase<DerivedGV> & GV,
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const Eigen::MatrixBase<DerivedGI> & GI,
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const typename DerivedS::Scalar isovalue,
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Eigen::PlainObjectBase<DerivedV> &V,
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Eigen::PlainObjectBase<DerivedF> &F);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "marching_cubes.cpp"
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#endif
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#endif
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