//
#ifndef ALIFMD3_H
#define ALIFMD3_H
-
-#ifndef ALIFMDSUBDETECTOR_H
-# include "AliFMDSubDetector.h"
+/** @file AliFMD3.h
+ @author Christian Holm Christensen <cholm@nbi.dk>
+ @date Sun Mar 26 18:23:48 2006
+ @brief Geometry parameters of the FMD3 detector.
+*/
+// Geometry parameters of the FMD3 detector. FMD3 has a fairly
+// complicated support structure. The cone also supports the
+// beam-pipe.
+//
+#ifndef ALIFMDDETECTOR_H
+# include "AliFMDDetector.h"
#endif
-class AliFMD3 : public AliFMDSubDetector
+/** @class AliFMD3 AliFMD3.h <FMD/AliFMD3.h>
+ @brief Geometry parameters of the FMD3 detector.
+ FMD3 has a fairly complicated support structure. The cone also
+ supports the beam-pipe.
+ @image html FMD3.png
+ @ingroup FMD_base
+*/
+class AliFMD3 : public AliFMDDetector
{
-public:
- AliFMD3();
- virtual ~AliFMD3();
- virtual void SetupGeometry(Int_t airId, Int_t kaptionId);
- virtual void Geometry(const char* mother, Int_t pbRotId,
- Int_t idRotId, Double_t z=0);
- virtual void SimpleGeometry(TList* nodes, TNode* mother,
- Int_t colour, Double_t zMother);
-protected:
- void CalculateDz();
- Int_t fVolumeId; // Volume ID
- Double_t fDz; // Half-length in Z
- ClassDef(AliFMD3,1); // Geometry of FMD3
+public:
+ /** Constructor
+ @param inner Pointer to inner ring description
+ @param outer Pointer to outer ring description */
+ AliFMD3(AliFMDRing* inner, AliFMDRing* outer);
+ /** Destructor */
+ virtual ~AliFMD3(){}
+
+ /** Initialize the geometry */
+ virtual void Init();
+
+ /** @param z Z position of front of nose */
+ void SetNoseZ(Double_t z=-46) { fNoseZ = z; }
+ /** @param r Nose inner radius */
+ void SetNoseLowR(Double_t r=5.5) { fNoseLowR = r; }
+ /** @param r Nose outer radius */
+ void SetNoseHighR(Double_t r=6.7) { fNoseHighR = r; }
+ /** @param l Length of nose in Z */
+ void SetNoseLength(Double_t l=2.8) { fNoseLength = l; }
+ /** @param r Inner radius of base of cone */
+ void SetBackLowR(Double_t r=61./2) { fBackLowR = r; }
+ /** @param r Outer radius of base of cone */
+ void SetBackHighR(Double_t r=66.8/2) { fBackHighR = r; }
+ /** @param l Length of base of cone in Z */
+ void SetBackLength(Double_t l=1.4) { fBackLength = l; }
+ /** @param t Thickness of support beams */
+ void SetBeamThickness(Double_t t=.5) { fBeamThickness = t; }
+ /** @param w Width of support beams */
+ void SetBeamWidth(Double_t w=6) { fBeamWidth = w; }
+ /** @param l Length of the cone in Z */
+ void SetConeLength(Double_t l=30.9) { fConeLength = l; }
+ /** @param r Outer radius of flanges */
+ void SetFlangeR(Double_t r=49.25) { fFlangeR = r; }
+ /** @param n Number of support beams */
+ void SetNBeam(Int_t n=8) { fNBeam = n; }
+ /** @param n Number of support flanges */
+ void SetNFlange(Int_t n=4) { fNFlange = n; }
+
+ /** @return Z position of front of nose */
+ Double_t GetNoseZ() const { return fNoseZ; }
+ /** @return Nose inner radius */
+ Double_t GetNoseLowR() const { return fNoseLowR; }
+ /** @return Nose outer radius */
+ Double_t GetNoseHighR() const { return fNoseHighR; }
+ /** @return Length of nose in Z */
+ Double_t GetNoseLength() const { return fNoseLength; }
+ /** @return Inner radius of base of cone */
+ Double_t GetBackLowR() const { return fBackLowR; }
+ /** @return Outer radius of base of cone */
+ Double_t GetBackHighR() const { return fBackHighR; }
+ /** @return Length of base of cone in Z */
+ Double_t GetBackLength() const { return fBackLength; }
+ /** @return Thickness of support beams */
+ Double_t GetBeamThickness() const { return fBeamThickness; }
+ /** @return Width of support beams */
+ Double_t GetBeamWidth() const { return fBeamWidth; }
+ /** @return Length of the cone in Z */
+ Double_t GetConeLength() const { return fConeLength; }
+ /** @return Outer radius of flanges */
+ Double_t GetFlangeR() const { return fFlangeR; }
+ /** @return Midpoint of mother volume */
+ Double_t GetZ() const { return fZ; }
+ /** @return Slope of cone */
+ Double_t GetAlpha() const { return fAlpha; }
+ /** @return Number of support beams */
+ Int_t GetNBeam() const { return fNBeam; }
+ /** @return Number of support flanges */
+ Int_t GetNFlange() const { return fNFlange; }
+
+ /** Get the cone radii at @a z.
+ @param z Point to evaulate at
+ @param opt If @c "O" get the outer radii, if @c "I" get the
+ inner radii.
+ @return the radius of the cone */
+ Double_t ConeR(Double_t z, Option_t* opt="O") const;
+
+protected:
+ Double_t fNoseZ; // Z position of front of nose
+ Double_t fNoseLowR; // Nose inner radius
+ Double_t fNoseHighR; // Nose outer radius
+ Double_t fNoseLength; // Length of nose in Z
+ Double_t fBackLowR; // Inner radius of base of cone
+ Double_t fBackHighR; // Outer radius of base of cone
+ Double_t fBackLength; // Length of base of cone in Z
+ Double_t fBeamThickness; // Thickness of support beams
+ Double_t fBeamWidth; // Width of support beams
+ Double_t fConeLength; // Length of the cone in Z
+ Double_t fFlangeR; // Outer radius of flanges
+ Double_t fZ; // Midpoint of mother volume
+ Double_t fAlpha; // Slope of cone
+ Int_t fNBeam; // Number of support beams
+ Int_t fNFlange; // Number of support flangesy
+ ClassDef(AliFMD3, 1);
};
#endif
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