1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
import numpy as np
from copy import deepcopy
from itertools import product
import os
import sys
dir = os.path.split(os.path.realpath(__file__))[0]
sys.path.append(dir + '/..')
import models
from mesh import *
from transform import rotate
from solid import Solid
from geometry import Geometry
from materials import glass, h2o
endcap_spacing = .485
radius = 25.0/10.0
height = 50.0/10.0
nstrings = 324//10
pmts_per_string = 102//10
class LBNE(Geometry):
def __init__(self):
super(LBNE, self).__init__()
pmt_mesh = read_stl(models.dir + '/hamamatsu_12inch.stl')/1000.0
pmt_solid = Solid(pmt_mesh, glass, h2o)
# construct the barrel
for i in range(pmts_per_string):
for j in range(nstrings):
pmt = deepcopy(pmt_solid)
pmt.mesh += (-radius,0,-height/2+i*height/(pmts_per_string-1))
pmt.mesh = rotate(pmt.mesh, j*2*np.pi/nstrings, (0,0,1))
self.add_solid(pmt)
# construct the top endcap
for x, y in np.array(tuple(product(\
np.arange(-radius+0.075, radius, endcap_spacing),
np.arange(-radius+0.075, radius, endcap_spacing)))):
if np.sqrt(x**2 + y**2) <= radius:
pmt = deepcopy(pmt_solid)
pmt.mesh = rotate(pmt.mesh, -np.pi/2, (0,1,0))
pmt.mesh += (x,y,+height/2+height/(pmts_per_string-1)/2)
self.add_solid(pmt)
# construct the bottom endcap
for x, y in np.array(tuple(product(\
np.arange(-radius+0.075, radius, endcap_spacing),
np.arange(-radius+0.075, radius, endcap_spacing)))):
if np.sqrt(x**2 + y**2) <= radius:
pmt = deepcopy(pmt_solid)
pmt.mesh = rotate(pmt.mesh, +np.pi/2, (0,1,0))
pmt.mesh += (x,y,-height/2-height/(pmts_per_string-1)/2)
self.add_solid(pmt)
|
