stl_model.hpp

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#pragma once
 
#include "utils_math.hpp"
 
namespace netdem {
 
class STLModel {
public:
  VecXT<Vec3d> vertices;
 
  VecXT<Vec3i> facets;
 
  STLModel();
  STLModel(const VecXT<Vec3d> &vv, const VecXT<Vec3i> &ff);
 
  void InitFromSTL(std::string const &file);
 
  void InitFromOFF(std::string const &file);
 
  void Translate(Vec3d const &disp);
 
  void Rotate(Vec4d const &quat);
 
  void CopyPose(STLModel const &stl_model);
 
  void CopyPoseDev(STLModel const &stl_model, STLModel const &stl_model_reset);
 
  void SaveAsVTK(std::string const &file) const;
 
  void SaveAsSTL(std::string const &file) const;
 
  void RemoveUnreferencedVertices();
 
  void RemoveDuplicateVertices();
 
  void ReorientFacets();
 
  void Decimate(int num_nodes);
 
  void Standardize();
 
  void SetSize(double size);
 
  void MakeConvex();
 
  void Refine(int num_refines = 1);
 
  void SmoothMesh(int num_trials = 1);
 
  void MergeSTLModel(STLModel const &stl_model);
 
  double GetSize() const;
 
  VecXT<int> GetTriangleStrips() const;
 
  bool IsFaceOutside(bool flip_outside = true);
 
  bool CheckConvexity();
 
  bool CheckEnclose(Vec3d const &pos) const;
 
  void Print();
 
  std::tuple<Vec3d, Vec3d> GetBoundAABB() const;
 
  Vec3d GetCenter() const;
 
  double GetSurfaceArea() const;
 
  double GetVolume() const;
 
  Mat3d GetInertia() const;
 
  static Vec3d GetCenter(const VecXT<Vec3d> &v, const VecXT<Vec3i> &f);
 
  static double GetSurfaceArea(const VecXT<Vec3d> &v, const VecXT<Vec3i> &f);
 
  static double GetVolume(const VecXT<Vec3d> &v, const VecXT<Vec3i> &f);
 
  static Mat3d GetInertia(const VecXT<Vec3d> &v, const VecXT<Vec3i> &f);
 
  static bool CheckConvexity(const VecXT<Vec3d> &v, const VecXT<Vec3i> &f);
 
private:
  int VertexIndexInFacet(const Vec3d &facet, int vertex_id);
};
 
} // namespace netdem