mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-22 17:52:50 +05:00
156 lines
4.1 KiB
C++
156 lines
4.1 KiB
C++
#ifndef _EXTRUSION_HPP
|
|
#define _EXTRUSION_HPP
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
class Extrusion;
|
|
|
|
class ExtrusionFace : public Surface
|
|
{
|
|
private:
|
|
const SplineSeg<2> * profile;
|
|
const SplineGeometry<3> * path;
|
|
Vec<3> glob_z_direction;
|
|
|
|
bool deletable;
|
|
|
|
Array< const SplineSeg3<3> * > spline3_path;
|
|
Array< const LineSeg<3> * > line_path;
|
|
|
|
mutable Array < Vec<3> > x_dir, y_dir, z_dir, loc_z_dir;
|
|
mutable Array < Point<3> > p0;
|
|
|
|
mutable Vec<3> profile_tangent;
|
|
mutable double profile_par;
|
|
|
|
mutable Vector profile_spline_coeff;
|
|
|
|
mutable int latest_seg;
|
|
mutable double latest_t;
|
|
mutable Point<2> latest_point2d;
|
|
mutable Point<3> latest_point3d;
|
|
|
|
|
|
private:
|
|
void Orthogonalize(const Vec<3> & v1, Vec<3> & v2) const;
|
|
|
|
void Init(void);
|
|
|
|
public:
|
|
double CalcProj(const Point<3> & point3d, Point<2> & point2d,
|
|
int seg) const;
|
|
void CalcProj(const Point<3> & point3d, Point<2> & point2d,
|
|
int & seg, double & t) const;
|
|
|
|
public:
|
|
ExtrusionFace(const SplineSeg<2> * profile_in,
|
|
const SplineGeometry<3> * path_in,
|
|
const Vec<3> & z_direction);
|
|
|
|
ExtrusionFace(const Array<double> & raw_data);
|
|
|
|
|
|
~ExtrusionFace();
|
|
|
|
virtual int IsIdentic (const Surface & s2, int & inv, double eps) const;
|
|
|
|
virtual double CalcFunctionValue (const Point<3> & point) const;
|
|
virtual void CalcGradient (const Point<3> & point, Vec<3> & grad) const;
|
|
virtual void CalcHesse (const Point<3> & point, Mat<3> & hesse) const;
|
|
virtual double HesseNorm () const;
|
|
|
|
virtual double MaxCurvature () const;
|
|
//virtual double MaxCurvatureLoc (const Point<3> & /* c */ ,
|
|
// double /* rad */) const;
|
|
|
|
virtual void Project (Point<3> & p) const;
|
|
|
|
virtual Point<3> GetSurfacePoint () const;
|
|
virtual void Print (ostream & str) const;
|
|
|
|
virtual void GetTriangleApproximation (TriangleApproximation & tas,
|
|
const Box<3> & boundingbox,
|
|
double facets) const;
|
|
|
|
const SplineGeometry<3> & GetPath(void) const {return *path;}
|
|
const SplineSeg<2> & GetProfile(void) const {return *profile;}
|
|
|
|
bool BoxIntersectsFace(const Box<3> & box) const;
|
|
|
|
void LineIntersections ( const Point<3> & p,
|
|
const Vec<3> & v,
|
|
const double eps,
|
|
int & before,
|
|
int & after,
|
|
bool & intersecting ) const;
|
|
|
|
INSOLID_TYPE VecInFace ( const Point<3> & p,
|
|
const Vec<3> & v,
|
|
const double eps ) const;
|
|
|
|
const Vec<3> & GetYDir ( void ) const {return y_dir[latest_seg];}
|
|
const Vec<3> & GetProfileTangent (void) const {return profile_tangent;}
|
|
double GetProfilePar(void) const {return profile_par;}
|
|
|
|
void GetRawData(Array<double> & data) const;
|
|
|
|
void CalcLocalCoordinates (int seg, double t,
|
|
Vec<3> & ex, Vec<3> & ey, Vec<3> & ez) const;
|
|
|
|
void CalcLocalCoordinatesDeriv (int seg, double t,
|
|
Vec<3> & ex, Vec<3> & ey, Vec<3> & ez,
|
|
Vec<3> & dex, Vec<3> & dey, Vec<3> & dez) const;
|
|
|
|
};
|
|
|
|
|
|
|
|
class Extrusion : public Primitive
|
|
{
|
|
private:
|
|
const SplineGeometry<3> & path;
|
|
const SplineGeometry<2> & profile;
|
|
|
|
const Vec<3> & z_direction;
|
|
|
|
Array<ExtrusionFace*> faces;
|
|
|
|
mutable int latestfacenum;
|
|
|
|
public:
|
|
Extrusion(const SplineGeometry<3> & path_in,
|
|
const SplineGeometry<2> & profile_in,
|
|
const Vec<3> & z_dir);
|
|
~Extrusion();
|
|
virtual INSOLID_TYPE BoxInSolid (const BoxSphere<3> & box) const;
|
|
virtual INSOLID_TYPE PointInSolid (const Point<3> & p,
|
|
double eps) const;
|
|
INSOLID_TYPE PointInSolid (const Point<3> & p,
|
|
double eps,
|
|
Array<int> * const facenums) const;
|
|
virtual INSOLID_TYPE VecInSolid (const Point<3> & p,
|
|
const Vec<3> & v,
|
|
double eps) const;
|
|
|
|
// checks if lim s->0 lim t->0 p + t(v1 + s v2) in solid
|
|
virtual INSOLID_TYPE VecInSolid2 (const Point<3> & p,
|
|
const Vec<3> & v1,
|
|
const Vec<3> & v2,
|
|
double eps) const;
|
|
|
|
|
|
virtual int GetNSurfaces() const;
|
|
virtual Surface & GetSurface (int i = 0);
|
|
virtual const Surface & GetSurface (int i = 0) const;
|
|
|
|
|
|
virtual void Reduce (const BoxSphere<3> & box);
|
|
virtual void UnReduce ();
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif //_EXTRUSION_HPP
|