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51 lines
1.8 KiB
51 lines
1.8 KiB
1 year ago
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#ifndef IGL_OFFSET_SURFACE_H
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#define IGL_OFFSET_SURFACE_H
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#include "igl_inline.h"
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#include "signed_distance.h"
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#include <Eigen/Core>
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namespace igl
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{
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/// Compute a triangulated offset surface using matching cubes on a grid of
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/// signed distance values from the input triangle mesh.
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///
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/// @param[in] V #V by 3 list of mesh vertex positions
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/// @param[in] F #F by 3 list of mesh triangle indices into V
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/// @param[in] isolevel iso level to extract (signed distance: negative inside)
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/// @param[in] s number of grid cells along longest side (controls resolution)
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/// @param[in] signed_distance_type type of signing to use (see
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/// ../signed_distance.h)
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/// @param[out] SV #SV by 3 list of output surface mesh vertex positions
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/// @param[out] SF #SF by 3 list of output mesh triangle indices into SV
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/// @param[out] GV #GV=side(0)*side(1)*side(2) by 3 list of grid cell centers
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/// @param[out] side list of number of grid cells in x, y, and z directions
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/// @param[out] S #GV by 3 list of signed distance values _near_ `isolevel` ("far"
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/// from `isolevel` these values are incorrect)
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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 isolevelType,
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typename DerivedSV,
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typename DerivedSF,
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typename DerivedGV,
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typename Derivedside,
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typename DerivedS>
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void offset_surface(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedF> & F,
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const isolevelType isolevel,
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const typename Derivedside::Scalar s,
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const SignedDistanceType & signed_distance_type,
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Eigen::PlainObjectBase<DerivedSV> & SV,
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Eigen::PlainObjectBase<DerivedSF> & SF,
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Eigen::PlainObjectBase<DerivedGV> & GV,
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Eigen::PlainObjectBase<Derivedside> & side,
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Eigen::PlainObjectBase<DerivedS> & S);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "offset_surface.cpp"
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#endif
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#endif
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