netgen/libsrc/csg/gencyl.hpp
Joachim Schoeberl 310cb00b13 autotools
2009-01-12 23:40:13 +00:00

65 lines
1.5 KiB
C++

#ifndef FILE_GENCYL
#define FILE_GENCYL
/**************************************************************************/
/* File: gencyl.hh */
/* Author: Joachim Schoeberl */
/* Date: 14. Oct. 96 */
/**************************************************************************/
/*
Generalized Cylinder
*/
///
class GeneralizedCylinder : public Surface
{
///
ExplicitCurve2d & crosssection;
///
Point<3> planep;
///
Vec<3> planee1, planee2, planee3;
/// Vec<3> ex, ey, ez;
Vec2d e2x, e2y;
///
Point<3> cp;
public:
///
GeneralizedCylinder (ExplicitCurve2d & acrosssection,
Point<3> ap, Vec<3> ae1, Vec<3> ae2);
///
virtual void Project (Point<3> & p) const;
///
virtual int BoxInSolid (const BoxSphere<3> & box) const;
/// 0 .. no, 1 .. yes, 2 .. maybe
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 MaxCurvatureLoc (const Point<3> & c, double rad) const;
///
virtual Point<3> GetSurfacePoint () const;
///
virtual void Print (ostream & str) const;
///
virtual void Reduce (const BoxSphere<3> & box);
///
virtual void UnReduce ();
};
#endif