[u/mrichter/AliRoot.git] / FMD / AliFMDv0.cxx

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Forward Multiplicity Detector version 0                                  //
//                                                                           //
//Begin_Html
/*
<img src="gif/AliFMDv0Class.gif">
</pre>
<br clear=left>
<font size=+2 color=red>
<p>The responsible person for this module is
<a href="mailto:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
</font>
<pre>
*/
//End_Html
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliRun.h"
#include "AliFMDv0.h"
#include "AliMC.h"
 
ClassImp(AliFMDv0)
 
//_____________________________________________________________________________
AliFMDv0::AliFMDv0() : AliFMD()
{
  //
  // Default constructor for FMD version 0
  //
}
 
//_____________________________________________________________________________
AliFMDv0::AliFMDv0(const char *name, const char *title)
  : AliFMD(name,title)
{
  //
  // Standard constructor for FMD version 0
  //
}
 
//___________________________________________
void AliFMDv0::CreateGeometry()
{
  //
  // Creation of the geometry of the FMD version 0
  //
  //Begin_Html
  /*
    <img src="gif/AliFMDv0Tree.gif">
  */
  //End_Html
  //Begin_Html
  /*
    <img src="gif/AliFMDv0.gif">
  */
  //End_Html

  AliMC* pMC = AliMC::GetMC();
  
  Float_t rout, z;
  Float_t par[3], rin;
  
  Int_t *idtmed = gAlice->Idtmed();    
  
  // ******************************************************** 
  //       DEFINE RIGHT DISK#3  OF FMD 
  // ******************************************************** 
  
  //       Define parameters 
  
  rin  = 4.5;
  rout = 10.5;
  z    = 85.;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1R3", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1R3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2R3", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2R3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3R3", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3R3", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
  // *********************************************************** 
  //       DEFINE LEFT DISK#3 OF FMD 
  // *********************************************************** 
  
  //       Define parameters 
  
  rin  = 4.5;
  rout = 10.5;
  z    = -85.;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1L3", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1L3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2L3", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2L3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3L3", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3L3", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
  // ******************************************************** 
  //       DEFINE RIGHT DISK#2  OF FMD 
  // ******************************************************** 
  
  //       Define parameters 
  
  rin  = 8.;
  rout = 14.;
  z    = 69.7;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1R2", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1R2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2R2", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2R2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3R2", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3R2", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
  // *********************************************************** 
  //       DEFINE LEFT DISK#2 OF FMD 
  // *********************************************************** 
  
  //       Define parameters 
  
  rin  = 8.;
  rout = 14.;
  z    = -69.7;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1L2", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1L2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2L2", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2L2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3L2", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3L2", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
  // ******************************************************** 
  //       DEFINE RIGHT DISK#1  OF FMD 
  // ******************************************************** 
  
  //       Define parameters 
  
  rin  = 8.;
  rout = 17.5;
  z    = 42.5;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1R1", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1R1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2R1", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2R1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3R1", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3R1", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
  // *********************************************************** 
  //       DEFINE LEFT DISK#1 OF FMD 
  // *********************************************************** 
  
  //       Define parameters 
  
  rin  = 8.;
  rout = 17.5;
  z    = -42.5;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1L1", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1L1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2L1", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2L1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3L1", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3L1", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
  // *********************************************************** 
  //       DEFINE LEFT DISK#4 OF FMD 
  // *********************************************************** 

  //       Define parameters 

  rin  = 4.2;
  rout = 13.;
  z    = -229.5;
  //       Ring #1 
  par[0] = rin;
  par[1] = rout;
  par[2] = 1.5;
  pMC->Gsvolu("R1L4", "TUBE", idtmed[900], par, 3);
  pMC->Gspos("R1L4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #2 
  par[0] = rout;
  par[1] = rout + .65;
  par[2] = 1.5;
  pMC->Gsvolu("R2L4", "TUBE", idtmed[901], par, 3);
  pMC->Gspos("R2L4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
  //       Ring #3 
  par[0] = rout + .65;
  par[1] = rout + 5.65;
  par[2] = .025;
  pMC->Gsvolu("R3L4", "TUBE", idtmed[902], par, 3);
  pMC->Gspos("R3L4", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
}

//_____________________________________________________________________________
void AliFMDv0::DrawModule()
{
  //
  // Draw a shaded view of the FMD version 0
  //

  AliMC* pMC = AliMC::GetMC();
  
  // Set everything unseen
  pMC->Gsatt("*", "seen", -1);
  // 
  // Set ALIC mother transparent
  pMC->Gsatt("ALIC","SEEN",0);
  //
  // Set the volumes visible
  pMC->Gsatt("R1R3","SEEN",1);
  pMC->Gsatt("R2R3","SEEN",1);
  pMC->Gsatt("R3R3","SEEN",1);
  pMC->Gsatt("R1L3","SEEN",1);
  pMC->Gsatt("R2L3","SEEN",1);
  pMC->Gsatt("R3L3","SEEN",1);
  pMC->Gsatt("R1R2","SEEN",1);
  pMC->Gsatt("R2R2","SEEN",1);
  pMC->Gsatt("R3R2","SEEN",1);
  pMC->Gsatt("R1L2","SEEN",1);
  pMC->Gsatt("R2L2","SEEN",1);
  pMC->Gsatt("R3L2","SEEN",1);
  pMC->Gsatt("R1R1","SEEN",1);
  pMC->Gsatt("R2R1","SEEN",1);
  pMC->Gsatt("R3R1","SEEN",1);
  pMC->Gsatt("R1L1","SEEN",1);
  pMC->Gsatt("R2L1","SEEN",1);
  pMC->Gsatt("R3L1","SEEN",1);
  pMC->Gsatt("R1L4","SEEN",1);
  pMC->Gsatt("R2L4","SEEN",1);
  pMC->Gsatt("R3L4","SEEN",1);
  //
  pMC->Gdopt("hide", "on");
  pMC->Gdopt("shad", "on");
  pMC->Gsatt("*", "fill", 7);
  pMC->SetClipBox(".");
  pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
  pMC->DefaultRange();
  pMC->Gdraw("alic", 40, 30, 0, 6, 9, .08, .08);
  pMC->Gdhead(1111, "Forward Multiplicity Detector version 0");
  pMC->Gdman(13, 9, "MAN");
}

//_____________________________________________________________________________
void AliFMDv0::CreateMaterials()
{
  //
  // Create Materials for version 0 of FMD
  //

  //     Material for ring #1 
  Float_t ar1[8] = { 55.8,58.7,52.,47.9,16.,28.,207.2,27. };
  Float_t zr1[8] = { 26.,28.,24.,22.,8.,14.,82.,13. };
  Float_t wr1[8] = { .27,.081,.054,.045,.18,.25,.06,.06 };
  //     Material for ring #2 
  Float_t ar2[3] = { 55.8,27.,16. };
  Float_t zr2[3] = { 26.,13.,8. };
  Float_t wr2[3] = { .35,.34,.31 };
  //     Material for ring #3 
  Float_t ar3[3] = { 28.,27.,16. };
  Float_t zr3[3] = { 14.,13.,8. };
  Float_t wr3[3] = { .37,.33,.3 };
  
  Float_t epsil, stmin, deemax, tmaxfd, stemax;
  
  Int_t   ISXFLD = gAlice->Field()->Integ();
  Float_t SXMGMX = gAlice->Field()->Max();
  
  //     Ring #1 
  
  AliMixture(1, "FMD_R1$", ar1, zr1, 2.69, 8, wr1);
  
  //     Ring #2 
  
  AliMixture(2, "FMD_R2$", ar2, zr2, 2.63, 3, wr2);
  
  //     Ring #3 
  
  AliMixture(3, "FMD_R3$", ar3, zr3, 3.15, 3, wr3);
  // ******************************************************* 
  //     Defines tracking media parameters. 
  // ******************************************************* 
  epsil  = .001; // Tracking precision, DLS 
  stemax = -1.;  // Maximum displacement for multiple scattering 
  tmaxfd = -20.; // Maximum angle due to field deflection 
  deemax = -.3;  // Maximum fractional energy loss, DLS 
  stmin  = -.8;
  // ******************************************************** 
  AliMedium(901, "FMD_R1_L3        ", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(902, "FMD_R2_L3        ", 2, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
  AliMedium(903, "FMD_R3_L3        ", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
}
Commit	Line	Data
fe4da5cc	1	///////////////////////////////////////////////////////////////////////////////
	2	// //
	3	// Forward Multiplicity Detector version 0 //
	4	// //
	5	//Begin_Html
	6	/*
	7	<img src="gif/AliFMDv0Class.gif">
	8	</pre>
	9	<br clear=left>
	10	<font size=+2 color=red>
	11	<p>The responsible person for this module is
	12	<a href="mailto:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
	13	</font>
	14	<pre>
	15	*/
	16	//End_Html
	17	// //
	18	///////////////////////////////////////////////////////////////////////////////
	19
	20	#include "AliRun.h"
	21	#include "AliFMDv0.h"
	22	#include "AliMC.h"
	23
	24	ClassImp(AliFMDv0)
	25
	26	//_____________________________________________________________________________
	27	AliFMDv0::AliFMDv0() : AliFMD()
	28	{
	29	//
	30	// Default constructor for FMD version 0
	31	//
	32	}
	33
	34	//_____________________________________________________________________________
	35	AliFMDv0::AliFMDv0(const char name, const char title)
	36	: AliFMD(name,title)
	37	{
	38	//
	39	// Standard constructor for FMD version 0
	40	//
	41	}
	42
	43	//___________________________________________
	44	void AliFMDv0::CreateGeometry()
	45	{
	46	//
	47	// Creation of the geometry of the FMD version 0
	48	//
	49	//Begin_Html
	50	/*
	51	<img src="gif/AliFMDv0Tree.gif">
	52	*/
	53	//End_Html
	54	//Begin_Html
	55	/*
	56	<img src="gif/AliFMDv0.gif">
	57	*/
	58	//End_Html
	59
	60	AliMC* pMC = AliMC::GetMC();
	61
	62	Float_t rout, z;
	63	Float_t par[3], rin;
	64
65	Int_t *idtmed = gAlice->Idtmed();
66
67	// ********************************************************
68	// DEFINE RIGHT DISK#3 OF FMD
69	// ********************************************************
70
71	// Define parameters
72
73	rin = 4.5;
74	rout = 10.5;
75	z = 85.;
76	// Ring #1
77	par[0] = rin;
78	par[1] = rout;
79	par[2] = 1.5;
80	pMC->Gsvolu("R1R3", "TUBE", idtmed[900], par, 3);
81	pMC->Gspos("R1R3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
82	// Ring #2
83	par[0] = rout;
84	par[1] = rout + .65;
85	par[2] = 1.5;
86	pMC->Gsvolu("R2R3", "TUBE", idtmed[901], par, 3);
87	pMC->Gspos("R2R3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
88	// Ring #3
89	par[0] = rout + .65;
90	par[1] = rout + 5.65;
91	par[2] = .025;
92	pMC->Gsvolu("R3R3", "TUBE", idtmed[902], par, 3);
93	pMC->Gspos("R3R3", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
94	// ***********************************************************
95	// DEFINE LEFT DISK#3 OF FMD
96	// ***********************************************************
97
98	// Define parameters
99
100	rin = 4.5;
101	rout = 10.5;
102	z = -85.;
103	// Ring #1
104	par[0] = rin;
105	par[1] = rout;
106	par[2] = 1.5;
107	pMC->Gsvolu("R1L3", "TUBE", idtmed[900], par, 3);
108	pMC->Gspos("R1L3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
109	// Ring #2
110	par[0] = rout;
111	par[1] = rout + .65;
112	par[2] = 1.5;
113	pMC->Gsvolu("R2L3", "TUBE", idtmed[901], par, 3);
114	pMC->Gspos("R2L3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
115	// Ring #3
116	par[0] = rout + .65;
117	par[1] = rout + 5.65;
118	par[2] = .025;
119	pMC->Gsvolu("R3L3", "TUBE", idtmed[902], par, 3);
120	pMC->Gspos("R3L3", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
121	// ********************************************************
122	// DEFINE RIGHT DISK#2 OF FMD
123	// ********************************************************
124
125	// Define parameters
126
127	rin = 8.;
128	rout = 14.;
129	z = 69.7;
130	// Ring #1
131	par[0] = rin;
132	par[1] = rout;
133	par[2] = 1.5;
134	pMC->Gsvolu("R1R2", "TUBE", idtmed[900], par, 3);
135	pMC->Gspos("R1R2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
136	// Ring #2
137	par[0] = rout;
138	par[1] = rout + .65;
139	par[2] = 1.5;
140	pMC->Gsvolu("R2R2", "TUBE", idtmed[901], par, 3);
141	pMC->Gspos("R2R2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
142	// Ring #3
143	par[0] = rout + .65;
144	par[1] = rout + 5.65;
145	par[2] = .025;
146	pMC->Gsvolu("R3R2", "TUBE", idtmed[902], par, 3);
147	pMC->Gspos("R3R2", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
148	// ***********************************************************
149	// DEFINE LEFT DISK#2 OF FMD
150	// ***********************************************************
151
152	// Define parameters
153
154	rin = 8.;
155	rout = 14.;
156	z = -69.7;
157	// Ring #1
158	par[0] = rin;
159	par[1] = rout;
160	par[2] = 1.5;
161	pMC->Gsvolu("R1L2", "TUBE", idtmed[900], par, 3);
162	pMC->Gspos("R1L2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
163	// Ring #2
164	par[0] = rout;
165	par[1] = rout + .65;
166	par[2] = 1.5;
167	pMC->Gsvolu("R2L2", "TUBE", idtmed[901], par, 3);
168	pMC->Gspos("R2L2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
169	// Ring #3
170	par[0] = rout + .65;
171	par[1] = rout + 5.65;
172	par[2] = .025;
173	pMC->Gsvolu("R3L2", "TUBE", idtmed[902], par, 3);
174	pMC->Gspos("R3L2", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
175	// ********************************************************
176	// DEFINE RIGHT DISK#1 OF FMD
177	// ********************************************************
178
179	// Define parameters
180
181	rin = 8.;
182	rout = 17.5;
183	z = 42.5;
184	// Ring #1
185	par[0] = rin;
186	par[1] = rout;
187	par[2] = 1.5;
188	pMC->Gsvolu("R1R1", "TUBE", idtmed[900], par, 3);
189	pMC->Gspos("R1R1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
190	// Ring #2
191	par[0] = rout;
192	par[1] = rout + .65;
193	par[2] = 1.5;
194	pMC->Gsvolu("R2R1", "TUBE", idtmed[901], par, 3);
195	pMC->Gspos("R2R1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
196	// Ring #3
197	par[0] = rout + .65;
198	par[1] = rout + 5.65;
199	par[2] = .025;
200	pMC->Gsvolu("R3R1", "TUBE", idtmed[902], par, 3);
201	pMC->Gspos("R3R1", 1, "ALIC", 0., 0., z + 1.525, 0, "ONLY");
202	// ***********************************************************
203	// DEFINE LEFT DISK#1 OF FMD
204	// ***********************************************************
205
206	// Define parameters
207
208	rin = 8.;
209	rout = 17.5;
210	z = -42.5;
211	// Ring #1
212	par[0] = rin;
213	par[1] = rout;
214	par[2] = 1.5;
215	pMC->Gsvolu("R1L1", "TUBE", idtmed[900], par, 3);
216	pMC->Gspos("R1L1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
217	// Ring #2
218	par[0] = rout;
219	par[1] = rout + .65;
220	par[2] = 1.5;
221	pMC->Gsvolu("R2L1", "TUBE", idtmed[901], par, 3);
222	pMC->Gspos("R2L1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
223	// Ring #3
224	par[0] = rout + .65;
225	par[1] = rout + 5.65;
226	par[2] = .025;
227	pMC->Gsvolu("R3L1", "TUBE", idtmed[902], par, 3);
228	pMC->Gspos("R3L1", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
229	// ***********************************************************
230	// DEFINE LEFT DISK#4 OF FMD
231	// ***********************************************************
232
233	// Define parameters
234
235	rin = 4.2;
236	rout = 13.;
237	z = -229.5;
238	// Ring #1
239	par[0] = rin;
240	par[1] = rout;
241	par[2] = 1.5;
242	pMC->Gsvolu("R1L4", "TUBE", idtmed[900], par, 3);
243	pMC->Gspos("R1L4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
244	// Ring #2
245	par[0] = rout;
246	par[1] = rout + .65;
247	par[2] = 1.5;
248	pMC->Gsvolu("R2L4", "TUBE", idtmed[901], par, 3);
249	pMC->Gspos("R2L4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
250	// Ring #3
251	par[0] = rout + .65;
252	par[1] = rout + 5.65;
253	par[2] = .025;
254	pMC->Gsvolu("R3L4", "TUBE", idtmed[902], par, 3);
255	pMC->Gspos("R3L4", 1, "ALIC", 0., 0., z - 1.525, 0, "ONLY");
256	}
257
258	//_____________________________________________________________________________
b316044f	259	void AliFMDv0::DrawModule()
fe4da5cc	260	{
	261	//
	262	// Draw a shaded view of the FMD version 0
	263	//
	264
	265	AliMC* pMC = AliMC::GetMC();
	266
	267	// Set everything unseen
	268	pMC->Gsatt("*", "seen", -1);
	269	//
	270	// Set ALIC mother transparent
	271	pMC->Gsatt("ALIC","SEEN",0);
	272	//
	273	// Set the volumes visible
	274	pMC->Gsatt("R1R3","SEEN",1);
	275	pMC->Gsatt("R2R3","SEEN",1);
	276	pMC->Gsatt("R3R3","SEEN",1);
	277	pMC->Gsatt("R1L3","SEEN",1);
	278	pMC->Gsatt("R2L3","SEEN",1);
	279	pMC->Gsatt("R3L3","SEEN",1);
	280	pMC->Gsatt("R1R2","SEEN",1);
	281	pMC->Gsatt("R2R2","SEEN",1);
	282	pMC->Gsatt("R3R2","SEEN",1);
	283	pMC->Gsatt("R1L2","SEEN",1);
	284	pMC->Gsatt("R2L2","SEEN",1);
	285	pMC->Gsatt("R3L2","SEEN",1);
	286	pMC->Gsatt("R1R1","SEEN",1);
	287	pMC->Gsatt("R2R1","SEEN",1);
	288	pMC->Gsatt("R3R1","SEEN",1);
	289	pMC->Gsatt("R1L1","SEEN",1);
	290	pMC->Gsatt("R2L1","SEEN",1);
	291	pMC->Gsatt("R3L1","SEEN",1);
	292	pMC->Gsatt("R1L4","SEEN",1);
	293	pMC->Gsatt("R2L4","SEEN",1);
	294	pMC->Gsatt("R3L4","SEEN",1);
	295	//
	296	pMC->Gdopt("hide", "on");
	297	pMC->Gdopt("shad", "on");
	298	pMC->Gsatt("*", "fill", 7);
	299	pMC->SetClipBox(".");
	300	pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
	301	pMC->DefaultRange();
	302	pMC->Gdraw("alic", 40, 30, 0, 6, 9, .08, .08);
	303	pMC->Gdhead(1111, "Forward Multiplicity Detector version 0");
	304	pMC->Gdman(13, 9, "MAN");
	305	}
	306
	307	//_____________________________________________________________________________
	308	void AliFMDv0::CreateMaterials()
	309	{
	310	//
	311	// Create Materials for version 0 of FMD
	312	//
	313
	314	// Material for ring #1
	315	Float_t ar1[8] = { 55.8,58.7,52.,47.9,16.,28.,207.2,27. };
	316	Float_t zr1[8] = { 26.,28.,24.,22.,8.,14.,82.,13. };
	317	Float_t wr1[8] = { .27,.081,.054,.045,.18,.25,.06,.06 };
	318	// Material for ring #2
	319	Float_t ar2[3] = { 55.8,27.,16. };
	320	Float_t zr2[3] = { 26.,13.,8. };
	321	Float_t wr2[3] = { .35,.34,.31 };
	322	// Material for ring #3
	323	Float_t ar3[3] = { 28.,27.,16. };
324	Float_t zr3[3] = { 14.,13.,8. };
325	Float_t wr3[3] = { .37,.33,.3 };
326
327	Float_t epsil, stmin, deemax, tmaxfd, stemax;
328
329	Int_t ISXFLD = gAlice->Field()->Integ();
330	Float_t SXMGMX = gAlice->Field()->Max();
331
332	// Ring #1
333
334	AliMixture(1, "FMD_R1$", ar1, zr1, 2.69, 8, wr1);
335
336	// Ring #2
337
338	AliMixture(2, "FMD_R2$", ar2, zr2, 2.63, 3, wr2);
339
340	// Ring #3
341
342	AliMixture(3, "FMD_R3$", ar3, zr3, 3.15, 3, wr3);
343	// *******************************************************
344	// Defines tracking media parameters.
345	// *******************************************************
346	epsil = .001; // Tracking precision, DLS
347	stemax = -1.; // Maximum displacement for multiple scattering
348	tmaxfd = -20.; // Maximum angle due to field deflection
349	deemax = -.3; // Maximum fractional energy loss, DLS
350	stmin = -.8;
351	// ********************************************************
352	AliMedium(901, "FMD_R1_L3 ", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
353	AliMedium(902, "FMD_R2_L3 ", 2, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
354	AliMedium(903, "FMD_R3_L3 ", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
355	}
356
357
358