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refactor quadratic patch code

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ccolin
2021-11-12 20:53:13 +01:00
parent d01ba47b65
commit 07093b6197
9 changed files with 144 additions and 123 deletions
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72
src/curvature.h
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@ -2,69 +2,7 @@
#define CURVATURE_H
#include "my_mesh.h"
class MyQuad {
double _coefs[5] ; // a_0 x^2 + a1 xy + a2 y^2 + a3 x + a4 y + a5
public:
Eigen::AngleAxisd _r ;
Eigen::Translation3d _t ;
MyQuad(double *data,
const Eigen::AngleAxisd &r = Eigen::AngleAxisd(0, Eigen::Vector3d(0,0,1)),
const Eigen::Translation3d &t = Eigen::Translation3d(0,0,0))
: _r(r), _t(t)
{
for (size_t i=0; i<5; i++)
_coefs[i] = data[i] ;
}
MyQuad(const Eigen::VectorXd &v,
const Eigen::AngleAxisd &r = Eigen::AngleAxisd(0, Eigen::Vector3d(0,0,1)),
const Eigen::Translation3d &t = Eigen::Translation3d(0,0,0))
: _r(r), _t(t)
{
for (size_t i=0; i<5; i++)
_coefs[i] = v[i] ;
}
MyQuad(double a0=0, double a1=0, double a2=0, double a3=0, double a4=0,
const Eigen::AngleAxisd &r = Eigen::AngleAxisd(0, Eigen::Vector3d(0,0,1)),
const Eigen::Translation3d &t = Eigen::Translation3d(0,0,0))
: _r(r), _t(t)
{
_coefs[0] = a0 ;
_coefs[1] = a1 ;
_coefs[2] = a2 ;
_coefs[3] = a3 ;
_coefs[4] = a4 ;
}
MyQuad(const MyQuad &q) : _r(q._r), _t(q._t)
{
for (size_t i=0; i<5; i++)
_coefs[i] = q._coefs[i] ;
}
MyQuad &operator=(const MyQuad &q) {
_r = q._r;
_t = q._t;
for (size_t i=0; i<5; i++)
_coefs[i] = q._coefs[i] ;
return *this;
}
double & operator[] (size_t i) {return _coefs[i] ; }
double quad_fun (double x, double y)
{
return _coefs[0] * x*x + _coefs[1] * x*y + _coefs[2] * y*y + _coefs[3] * x + _coefs[4] * y ;
}
double quad_fun (const OpenMesh::Vec2d &v)
{
return quad_fun(v[0], v[1]) ;
}
};
#include "quad_patch.h"
template <typename T>
@ -145,16 +83,16 @@ private:
MyMesh &_mesh ;
public:
OpenMesh::VPropHandleT<double> vprop_K;
OpenMesh::VPropHandleT<double> vprop_H;
OpenMesh::VPropHandleT<MyQuad> vprop_quad;
OpenMesh::VPropHandleT<double> vprop_K;
OpenMesh::VPropHandleT<double> vprop_H;
OpenMesh::VPropHandleT<QuadPatch> vprop_quad;
Courbures(MyMesh &mesh) : _mesh(mesh) {}
void set_fixed_colors() ;
void normales_locales() ;
std::vector<MyMesh::VertexHandle> get_two_neighborhood(MyMesh::VertexHandle vh);
MyQuad fit_quad(MyMesh::VertexHandle vh) ;
QuadPatch fit_quad(MyMesh::VertexHandle vh);
void compute_KH() ;
void set_K_colors() ;
};