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ElmerCSC
GitHub Repository: ElmerCSC/elmerfem
 Path: blob/devel/ElmerGUI/netgen/libsrc/csg/gencyl.hpp
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#ifndef FILE_GENCYL

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#define FILE_GENCYL

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/**************************************************************************/

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/* File:   gencyl.hh                                                      */

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/* Author: Joachim Schoeberl                                              */

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/* Date:   14. Oct. 96                                                    */

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/**************************************************************************/

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/*

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  Generalized Cylinder

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*/

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///

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class GeneralizedCylinder : public Surface

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{

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  ///

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  ExplicitCurve2d & crosssection;

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  ///

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  Point<3> planep;

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  ///

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  Vec<3> planee1, planee2, planee3;

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  ///  Vec<3> ex, ey, ez;

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  Vec2d e2x, e2y;

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    ///

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  Point<3> cp;

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public:

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  ///

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  GeneralizedCylinder (ExplicitCurve2d & acrosssection,

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		       Point<3> ap, Vec<3> ae1, Vec<3> ae2);

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  ///

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  virtual void Project (Point<3> & p) const;

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  ///

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  virtual int BoxInSolid (const BoxSphere<3> & box) const;

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  /// 0 .. no, 1 .. yes, 2 .. maybe

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  virtual double CalcFunctionValue (const Point<3> & point) const;

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  ///

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  virtual void CalcGradient (const Point<3> & point, Vec<3> & grad) const;

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  ///

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  virtual void CalcHesse (const Point<3> & point, Mat<3> & hesse) const;

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  ///

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  virtual double HesseNorm () const;

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  ///

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  virtual double MaxCurvatureLoc (const Point<3> & c, double rad) const;

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  ///

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  virtual Point<3> GetSurfacePoint () const;

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  ///

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  virtual void Print (ostream & str) const;

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  ///

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  virtual void Reduce (const BoxSphere<3> & box);

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  ///

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  virtual void UnReduce ();

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};  

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#endif

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