58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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#ifndef IGL_STRAIGHTEN_SEAMS_H
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#define IGL_STRAIGHTEN_SEAMS_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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// STRAIGHTEN_SEAMS Given a obj-style mesh with (V,F) defining the geometric
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// surface of the mesh and (VT,FT) defining the
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// parameterization/texture-mapping of the mesh in the uv-domain, find all
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// seams and boundaries in the texture-mapping and "straighten" them,
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// remapping vertices along the boundary and in the interior. This will be
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// careful to consistently straighten multiple seams in the texture-mesh
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// corresponding to the same edge chains in the surface-mesh.
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//
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// [UT] = straighten_seams(V,F,VT,FT)
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//
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// Inputs:
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// V #V by 3 list of vertices
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// F #F by 3 list of triangle indices
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// VT #VT by 2 list of texture coordinates
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// FT #F by 3 list of triangle texture coordinates
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// Optional:
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// 'Tol' followed by Ramer-Douglas-Peucker tolerance as a fraction of the
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// curves bounding box diagonal (see dpsimplify)
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// Outputs:
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// UE #UE by 2 list of indices into VT of coarse output polygon edges
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// UT #VT by 3 list of new texture coordinates
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// OT #OT by 2 list of indices into VT of boundary edges
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//
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// See also: simplify_curve, dpsimplify
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedVT,
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typename DerivedFT,
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typename Scalar,
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typename DerivedUE,
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typename DerivedUT,
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typename DerivedOT>
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IGL_INLINE void straighten_seams(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedF> & F,
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const Eigen::MatrixBase<DerivedVT> & VT,
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const Eigen::MatrixBase<DerivedFT> & FT,
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const Scalar tol,
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Eigen::PlainObjectBase<DerivedUE> & UE,
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Eigen::PlainObjectBase<DerivedUT> & UT,
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Eigen::PlainObjectBase<DerivedOT> & OT);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "straighten_seams.cpp"
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#endif
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#endif
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