1 files changed, 112 insertions, 0 deletions
diff --git a/profiles/hamamatsu_12inch.py b/profiles/hamamatsu_12inch.py
new file mode 100644
index 0000000..c52c029
--- /dev/null
+++ b/profiles/hamamatsu_12inch.py
@@ -0,0 +1,112 @@
+import os
+import sys
+
+dir = os.path.split(os.path.realpath(__file__))[0]
+sys.path.append(dir + '/..')
+
+import numpy as np
+from geometry import Solid
+from make import *
+from view import *
+import matplotlib.pyplot as plt
+from materials import *
+
+f = open('hamamatsu_12inch.txt')
+
+points = []
+for line in f:
+    try:
+        points.append([float(s) for s in line.split(',')])
+    except ValueError:
+        pass
+
+points = np.array(points)
+
+# slice profile in half
+points = points[points[:,0] < 0]
+points[:,0] = -points[:,0]
+# order points from base to face
+points = points[np.argsort(points[:,1])]
+# set x coordinate to 0.0 for first and last points along the profile
+# so that the mesh is closed
+points[0,0] = 0.0
+points[-1,0] = 0.0
+# convert mm -> m
+points /= 1000.0
+
+def offset(points, x):
+    points = np.array([points[0] - (points[1] - points[0])] + list(points) + [points[-1] - (points[-2] - points[-1])])
+    
+    offset_points = []
+    for i in range(1,len(points)-1):
+        print '%i' % i
+
+        v1 = np.cross(points[i]-points[i-1], (0,0,1))[:2]
+        v1 /= np.linalg.norm(v1)
+        v1 *= x
+
+        a = points[i-1] + v1
+        b = points[i] + v1
+
+        v2 = np.cross(points[i+1]-points[i], (0,0,1))[:2]
+        v2 /= np.linalg.norm(v2)
+        v2 *= x
+
+        c = points[i] + v2
+        d = points[i+1] + v2
+
+        m = np.empty((2,2))
+        m[:,0] = b-a
+        m[:,1] = c-d
+
+        try:
+            j = np.linalg.solve(m, c-a)[0]
+        except np.linalg.linalg.LinAlgError as e:
+            print e
+            offset_points.append(b)
+            continue
+
+        offset_points.append((a + j*(b-a)))
+
+    return np.array(offset_points)
+
+fig = plt.figure()
+ax = fig.add_subplot(111, aspect='equal')
+
+offset_points = offset(points, -.003)
+
+plt.plot(points[:,0], points[:,1], 'b-', offset_points[:,0], offset_points[:,1], 'g-')
+plt.show()
+
+pmt_outer_mesh = rotate_extrude(points[:,0], points[:,1], np.pi/8)
+pmt_inner_mesh = rotate_extrude(offset_points[:,0], offset_points[:,1], np.pi/8)
+
+# cutaway view
+pmt_outer_mesh.triangles = pmt_outer_mesh.triangles[np.mean(pmt_outer_mesh[:], axis=1)[:,0] > 0]
+
+#pmt_outer_mesh.triangles = pmt_outer_mesh.triangles[np.mean(pmt_outer_mesh[:], axis=1)[:,1] > -1e-3]
+#pmt_inner_mesh.triangles = pmt_inner_mesh.triangles[np.mean(pmt_inner_mesh[:], axis=1)[:,1] > -1e-3]
+
+pmt_outer_solid = Solid(pmt_outer_mesh)
+
+
+pmt_inner_solid = Solid(pmt_inner_mesh, color=0x00ff00)
+
+def get_lc_profile(radii, a, b, d, rmin, rmax):
+    c = -b*np.sqrt(1 - (rmin-d)**2/a**2)
+
+    return -c - b*np.sqrt(1-(radii-d)**2/a**2)
+
+lc_radii = np.linspace(152.4e-3, 209.672e-3 + 152.4e-3 - 127e-3, 10)
+lc_profile = get_lc_profile(lc_radii, 165.97e-3, 584.525e-3, 95.48e-3, 152.4e-3, 209.672e-3 + 152.4e-3 - 127e-3)
+
+face_points = points[points[:,1] > -1e-3]
+
+lc_offset = np.interp(lc_radii[0], list(reversed(face_points[:,0])), list(reversed(face_points[:,1])))
+
+lc_mesh = rotate_extrude(lc_radii, lc_profile + lc_offset, np.pi/8)
+lc_solid = Solid(lc_mesh, color=0xff0000, surface=shiny_surface)
+
+pmt_solid_lc = pmt_inner_solid + pmt_outer_solid + lc_solid
+
+view(pmt_solid_lc)