TPGON

    protected:

      virtual void FillTableOfCoSin(Double_t phi, Double_t angstep, Int_t n) const

    public:

                      TPGON()
                      TPGON(const char* name, const char* title, const char* material, Float_t phi1, Float_t dphi1, Int_t npdv, Int_t nz)
                      TPGON(const TPGON&)
              virtual ~TPGON()
       static TClass* Class()
      virtual TClass* IsA() const
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)

Class Description

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 PGON is a polygon. It has the following parameters:

     - name       name of the shape
     - title      shape's title
     - material  (see TMaterial)
     - phi1       the azimuthal angle &phi at which the volume begins (angles
                  are counted counterclockwise)
     - dphi1      opening angle of the volume, which extends from phi1 to
                  phi1+dphi
     - npdv       number of sides of the cross section between the given
                  phi limits
     - nz         number of planes perpendicular to the z axis where
                  the dimension of the section is given -- this number
                  should be at least 2
     - rmin       array of dimension nz with minimum radius at a given plane
     - rmax       array of dimension nz with maximum radius at a given plane
     - z          array of dimension nz with z position of given plane

 Fill the table of cos and sin to prepare drawing