/[PAMELA software]/DarthVader/TrackerLevel2/inc/F77/momanhough_init.f
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Annotation of /DarthVader/TrackerLevel2/inc/F77/momanhough_init.f

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Revision 1.1 - (hide annotations) (download)
Fri May 19 13:15:53 2006 UTC (18 years, 6 months ago) by mocchiut
Branch: MAIN
Branch point for: DarthVader
Initial revision

1 mocchiut 1.1 C Parameter definition for the program
2     C
3     C momanhough.f
4     C
5     C Author: Vannuccini Elena
6     C Date: 2004/2005
7     C
8     c------------------------------------------------------------------------
9     c CUTS and other parameters
10     c------------------------------------------------------------------------
11    
12     c*****************************************************
13     cccccc 10/9/2005 modified by david fedele --> (1)
14     c
15     cccccc20/10/2005 modified by elena --> (2)
16     c (rilasciati i tagli per la hough transform,
17     c in attesa dell'allineamento delle colonne)
18     c****************************************************
19    
20     PARAMETER (PIGR=3.14) !159265359)!(1)
21     * -----------------------------------------------------
22     * cuts on cluster signal
23     * -----------------------------------------------------
24     parameter (dedx_x_min=70.)
25     parameter (dedx_y_min=50.)
26     * -----------------------------------------------------
27     * number of GOOD strips around MAXS
28     * (NB this cut has been removed in track fitting but
29     * not in calibration)
30     * -----------------------------------------------------
31     * parameter (ngoodstr=1)
32     parameter (ngoodstr=2)
33    
34     * -----------------------------------------------------
35     * first cuts on the parameters determined with
36     * the hough transform, in order to exclude from the
37     * following analysis not physical dublets and triplets
38     * (out of the geometrical acceptance of the apparatus)
39     * -----------------------------------------------------
40     parameter (alfyz1_max=70.7) !Y0
41     parameter (alfyz2_max=0.47) !tg theta-yz (25 deg)
42     parameter (alfxz1_max=80.7) !X0
43     parameter (alfxz2_max=0.47) !tg theta-xz (25 deg)
44     * -----------------------------------------------------
45     * cut on the position of the circle center:
46     * center inside the spectrometer volume is not physical
47     * ==> THE TRIPLET IS REJECTED
48     * -----------------------------------------------------
49     parameter (xclimit=8.) !cm
50    
51     * -----------------------------------------------------
52     * Parameter normalization constants, needed to evaluate
53     * distances in parameter space
54     * -----------------------------------------------------
55     parameter (Dalfayz1=0.1689e-2)
56     parameter (Dalfayz2=0.4813e-4)
57     parameter (Dalfaxz1=0.1974e-2)
58     parameter (Dalfaxz2=0.7978e-4)
59     parameter (Dalfaxz3=1.)
60     * -----------------------------------------------------
61     * Cut on normalized distances in parameter space.
62     * Doublets/triplets are recursively included in a cloud
63     * if the distance from any of the points already included
64     * is less than this cut.
65     * -----------------------------------------------------
66     c parameter (cutdistyz=10.) !y0 / tg theta_yz space
67     c parameter (cutdistxz=30.) !x0 / tg theta_xz space
68     parameter (cutdistyz=20.) !y0 / tg theta_yz space !(2)
69     parameter (cutdistxz=60.) !x0 / tg theta_xz space !(2)
70     * (NB deflection is not considered in the selection criteria)
71    
72     * --------------------------------------------------
73     * cloud selection
74     * --------------------------------------------------
75     * minimum number of COUPLES required in order to select a cloud
76     c parameter (ncpyz_min=3) !for a straight line
77     c parameter (ncpxz_min=4) !for a circle
78     parameter (ncpyz_min=3) !for a straight line !(2)
79     parameter (ncpxz_min=3) !for a circle !(2)
80     * minimum number of POINTS required in order to select a cloud
81     c parameter (nptyz_min=3) !for a straight line
82     c parameter (nptxz_min=6) !for a circle
83     parameter (nptyz_min=3) !for a straight line !(2)
84     parameter (nptxz_min=3) !for a circle !(2)
85     * minimum number of PLANES required in order to select a cloud
86     c parameter (nplyz_min=3) !for a straight line
87     c parameter (nplxz_min=4) !for a circle
88     parameter (nplyz_min=3) !for a straight line !(2)
89     parameter (nplxz_min=3) !for a circle !(2)
90     * --------------------------------------------------
91    
92     * -----------------------------------------------------
93     * minimum number of matching couples required to combine
94     * XZ-YZ clouds and perform the fit
95     * -----------------------------------------------------
96     c parameter (ncpok=4)
97     parameter (ncpok=3) !(2)
98    
99     * -----------------------------------------------------
100     * maximum value of deflection from Hough transform
101     * accepted in order to perform the track fit
102     * -----------------------------------------------------
103     c parameter (defmax=10.) !GV-1
104     c parameter (defmax=10000.) !GV-1
105     parameter (defmax=25.) !GV-1
106    
107     * -----------------------------------------------------
108     * cut to include new couple or single clusters in the
109     * track fitting, after the first fit
110     * -----------------------------------------------------
111     c parameter (clinc=4)
112     c parameter (clinc=6)
113     parameter (clinc=10)
114    
115    

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