TGeoHype

TGeoHype()

 Default constructor

TGeoHype(Double_t rin, Double_t stin, Double_t rout, Double_t stout, Double_t dz)

 Constructor specifying hyperboloid parameters.

TGeoHype(const char *name,Double_t rin, Double_t stin, Double_t rout, Double_t stout, Double_t dz)

 Constructor specifying parameters and name.

TGeoHype(Double_t *param)

 Default constructor specifying a list of parameters
 param[0] = dz
 param[1] = rin
 param[2] = stin
 param[3] = rout
 param[4] = stout

~TGeoHype()

 destructor

Double_t Capacity()

 Computes capacity of the shape in [length^3]

void ComputeBBox()

 Compute bounding box of the hyperboloid

void ComputeNormal(Double_t *point, Double_t *dir, Double_t *norm)

 Compute normal to closest surface from POINT.

Bool_t Contains(Double_t *point)

 test if point is inside this tube

Int_t DistancetoPrimitive(Int_t px, Int_t py)

 compute closest distance from point px,py to each corner

Double_t DistFromInside(Double_t *point, Double_t *dir, Int_t iact, Double_t step, Double_t *safe)

 Compute distance from inside point to surface of the hyperboloid.

Double_t DistFromOutside(Double_t *point, Double_t *dir, Int_t iact, Double_t step, Double_t *safe)

 compute distance from outside point to surface of the hyperboloid.

Int_t DistToHype(Double_t *point, Double_t *dir, Double_t *s, Bool_t inner)

 Compute distance from an arbitrary point to inner/outer surface of hyperboloid.
 Returns number of positive solutions. S[2] contains the solutions.

Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi)

 Get range of shape for a given axis.

void GetBoundingCylinder(Double_t *param)

--- Fill vector param[4] with the bounding cylinder parameters. The order
 is the following : Rmin, Rmax, Phi1, Phi2, dZ

void InspectShape()

 print shape parameters

TBuffer3D * MakeBuffer3D()

 Creates a TBuffer3D describing *this* shape.
 Coordinates are in local reference frame.

void SetSegsAndPols(TBuffer3D &buff)

 Fill TBuffer3D structure for segments and polygons.

Double_t RadiusHypeSq(Double_t z, Bool_t inner)

 Compute r^2 = x^2 + y^2 at a given z coordinate, for either inner or outer hyperbolas.

Double_t ZHypeSq(Double_t r, Bool_t inner)

 Compute z^2 at a given  r^2, for either inner or outer hyperbolas.

Double_t Safety(Double_t *point, Bool_t in)

 computes the closest distance from given point to this shape, according
 to option. The matching point on the shape is stored in spoint.

Double_t SafetyToHype(Double_t *point, Bool_t inner, Bool_t in)

 Compute an underestimate of the closest distance from a point to inner or
 outer infinite hyperbolas.

void SavePrimitive(ostream &out, Option_t * /*option*/ /*= ""*/)

 Save a primitive as a C++ statement(s) on output stream "out".

void SetHypeDimensions(Double_t rin, Double_t stin, Double_t rout, Double_t stout, Double_t dz)

 Set dimensions of the hyperboloid.

void SetDimensions(Double_t *param)

 Set dimensions of the hyperboloid starting from an array.
 param[0] = dz
 param[1] = rin
 param[2] = stin
 param[3] = rout
 param[4] = stout

void SetPoints(Double_t *points)

 create tube mesh points

void SetPoints(Float_t *points)

 create tube mesh points

Int_t GetNmeshVertices()

 Return number of vertices of the mesh representation

void Sizeof3D()

/// fill size of this 3-D object
/    TVirtualGeoPainter *painter = gGeoManager->GetGeomPainter();
/    if (!painter) return;
/    Int_t n = gGeoManager->GetNsegments();
/    Int_t numPoints = n*4;
/    Int_t numSegs   = n*8;
/    Int_t numPolys  = n*4;
/    painter->AddSize3D(numPoints, numSegs, numPolys);

const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame)

 Fills a static 3D buffer and returns a reference.

TGeoHype()

 constructors

Int_t GetByteCount()

Double_t GetStIn()

Double_t GetStOut()

Bool_t HasInner()

Bool_t IsCylType()

TGeoHype

class TGeoHype : public TGeoTube

Data Members

Class Description