73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
#ifndef slic3r_CutSurface_hpp_
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#define slic3r_CutSurface_hpp_
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#include <vector>
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#include <admesh/stl.h> // indexed_triangle_set
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#include "ExPolygon.hpp"
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#include "Emboss.hpp" // IProjection
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namespace Slic3r{
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/// <summary>
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/// Represents cutted surface from object
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/// Extend index triangle set by outlines
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/// </summary>
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struct SurfaceCut : public indexed_triangle_set
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{
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// vertex indices(index to mesh vertices)
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using Index = unsigned int;
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using Contour = std::vector<Index>;
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using Contours = std::vector<Contour>;
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// list of circulated open surface
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Contours contours;
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};
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/// <summary>
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/// Cut surface shape from models.
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/// </summary>
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/// <param name="shapes">Multiple shape to cut from model</param>
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/// <param name="models">Multi mesh to cut, need to be in same coordinate system</param>
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/// <param name="projection">Define transformation 2d shape into 3d</param>
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/// <param name="projection_ratio">Define ideal ratio between front and back projection to cut
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/// 0 .. means use closest to front projection
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/// 1 .. means use closest to back projection
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/// value from <0, 1>
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/// </param>
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/// <returns>Cutted surface from model</returns>
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SurfaceCut cut_surface(const ExPolygons &shapes,
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const std::vector<indexed_triangle_set> &models,
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const Emboss::IProjection &projection,
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float projection_ratio);
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/// <summary>
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/// Create model from surface cuts by projection
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/// </summary>
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/// <param name="cut">Surface from model with outlines</param>
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/// <param name="projection">Way of emboss</param>
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/// <returns>Mesh</returns>
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indexed_triangle_set cut2model(const SurfaceCut &cut,
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const Emboss::IProject3f &projection);
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/// <summary>
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/// Separate (A)rea (o)f (I)nterest .. AoI from model
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/// NOTE: Only 2d filtration, do not filtrate by Z coordinate
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/// </summary>
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/// <param name="its">Input model</param>
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/// <param name="bb">Bounding box to project into space</param>
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/// <param name="projection">Define tranformation of BB into space</param>
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/// <returns>Triangles lay at least partialy inside of projected Bounding box</returns>
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indexed_triangle_set its_cut_AoI(const indexed_triangle_set &its,
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const BoundingBox &bb,
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const Emboss::IProjection &projection);
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/// <summary>
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/// Separate triangles by mask
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/// </summary>
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/// <param name="its">Input model</param>
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/// <param name="mask">Mask - same size as its::indices</param>
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/// <returns>Copy of indices by mask(with their vertices)</returns>
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indexed_triangle_set its_mask(const indexed_triangle_set &its, const std::vector<bool> &mask);
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} // namespace Slic3r
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#endif // slic3r_CutSurface_hpp_
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