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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
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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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