X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FMD%2FAliFMD3.h;h=785dba99ead314b78720171c6a8d50468370d030;hb=790a8a943dfd39ce2939493300fe69954712c249;hp=b9fdb717cb69cfc637b6af5bff64e51675cf61dc;hpb=42403906a791989192b0a7f2f5fda18146e5455c;p=u%2Fmrichter%2FAliRoot.git

diff --git a/FMD/AliFMD3.h b/FMD/AliFMD3.h
index b9fdb717cb6..785dba99ead 100644
--- a/FMD/AliFMD3.h
+++ b/FMD/AliFMD3.h
@@ -3,23 +3,121 @@
 //
 #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);
-protected:
-  Int_t    fVolumeId;
-  Double_t fDz;
-  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