Vignesh Sitaraman
9d581fa72d
new file: detector_geometry.dat new file: eloss_calculations/Eloss.py new file: eloss_calculations/alpha_lookup_20MeV.dat new file: eloss_calculations/alpha_lookup_6.0MeV.dat new file: eloss_calculations/make_eloss_table.C new file: eloss_calculations/proton_lookup_20MeV.dat new file: eloss_calculations/proton_lookup_6.0MeV.dat new file: grid_generate.py new file: shadowplay.py
56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
import math
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def wrap_phi(angle):
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"""Wraps an angle to be between -180 and +180 degrees"""
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return (angle + 180) % 360 - 180
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# The name of the file you want to generate
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filename = "detector_geometry.dat"
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# Open the file in 'write' mode
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with open(filename, "w") as f:
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# --- 1. SX3 Geometry ---
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f.write("=========================================================\n")
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f.write(" SX3 BARREL AZIMUTHAL ANGLES (Degrees) \n")
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f.write("=========================================================\n")
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f.write(" Det ID | Strip 0 | Strip 1 | Strip 2 | Strip 3 | Det Center\n")
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f.write("---------------------------------------------------------\n")
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for det_id in range(12): # Assuming 12 barrel detectors
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strips = []
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for stripF in range(4):
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stripF_rev = 3 - stripF
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num = (2 * stripF_rev - 3) * 40.30
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den = 8.0 * 88.0 * math.cos(math.radians(15.0))
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beta_n = 15.0 + math.degrees(math.atan2(num, den))
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phi_n = ((-det_id + 0.5) * 30.0 + beta_n) + 45.0
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strips.append(wrap_phi(phi_n))
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det_center = wrap_phi(((-det_id + 0.5) * 30.0 + 15.0) + 45.0)
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f.write(f" {det_id:2d} | {strips[0]:6.2f} | {strips[1]:6.2f} | {strips[2]:6.2f} | {strips[3]:6.2f} | {det_center:6.2f}\n")
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# --- 2. PC Wire Geometry ---
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f.write("\n\n=========================================================\n")
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f.write(" PROPORTIONAL COUNTER WIRE ANGLES (Degrees) \n")
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f.write("=========================================================\n")
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f.write(" Wire ID | Anode (-z) | Anode (+z) | Cathode (-z) | Cathode (+z)\n")
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f.write("----------------------------------------------------------------\n")
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k = 360.0 / 24.0
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offset_a1 = -6*k - 3*k
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offset_c1 = -4*k - 2*k - (360.0/48.0)
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wireShift = 3
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offset_a2 = offset_a1 + wireShift*k
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offset_c2 = offset_c1 - wireShift*k
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for i in range(24):
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phi_a1 = wrap_phi(-k * i + offset_a1)
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phi_a2 = wrap_phi(-k * i + offset_a2)
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phi_c1 = wrap_phi(k * i + offset_c1)
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phi_c2 = wrap_phi(k * i + offset_c2)
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f.write(f" {i:2d} | {phi_a1:7.2f} | {phi_a2:7.2f} | {phi_c1:7.2f} | {phi_c2:7.2f}\n")
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print(f"Success! The geometry lookup table has been saved to '{filename}'.") |