forked from romanzes637/gmsh_scripts
-
Notifications
You must be signed in to change notification settings - Fork 0
/
environment.py
208 lines (195 loc) · 7.74 KB
/
environment.py
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
import itertools
import gmsh
from support import volumes_groups_surfaces
class Environment:
def __init__(self, factory, lx, ly, lz, lc, transform_data, inner_surfaces,
physical_name=None):
"""
Environment volume primarily for GEO factory and optionally for OCC (if no boolean operations needed)
:param str factory: see Primitive
:param float lx: length X
:param float ly: length Y
:param float lz: length Z
:param float lc: characteristic length
:param list of float transform_data: see Primitive
:param list of list of int inner_surfaces: Inner surfaces tags by surfaces groups
(surface group - surfaces that form a closed volume)
:param str physical_name: see Primitive
"""
if factory == 'occ':
self.factory = gmsh.model.occ
else:
self.factory = gmsh.model.geo
self.lx = lx
self.ly = ly
self.lz = lz
self.lc = lc
self.transform_data = transform_data
self.inner_surfaces = inner_surfaces
if physical_name is None:
self.physical_name = Environment.__name__
else:
self.physical_name = physical_name
# Points
self.points = []
half_lx = lx / 2.0
half_ly = ly / 2.0
half_lz = lz / 2.0
self.points.append(
self.factory.addPoint(half_lx, half_ly, -half_lz, lc))
self.points.append(
self.factory.addPoint(-half_lx, half_ly, -half_lz, lc))
self.points.append(
self.factory.addPoint(-half_lx, -half_ly, -half_lz, lc))
self.points.append(
self.factory.addPoint(half_lx, -half_ly, -half_lz, lc))
self.points.append(self.factory.addPoint(half_lx, half_ly, half_lz, lc))
self.points.append(
self.factory.addPoint(-half_lx, half_ly, half_lz, lc))
self.points.append(
self.factory.addPoint(-half_lx, -half_ly, half_lz, lc))
self.points.append(
self.factory.addPoint(half_lx, -half_ly, half_lz, lc))
# Transform
if transform_data is not None:
dim_tags = map(lambda x: (0, x), self.points)
self.factory.translate(dim_tags, transform_data[0],
transform_data[1], transform_data[2])
if len(transform_data) == 6:
self.factory.rotate(dim_tags,
transform_data[0], transform_data[1],
transform_data[2],
1, 0, 0, transform_data[3])
self.factory.rotate(dim_tags,
transform_data[0], transform_data[1],
transform_data[2],
0, 1, 0, transform_data[4])
self.factory.rotate(dim_tags,
transform_data[0], transform_data[1],
transform_data[2],
0, 0, 1, transform_data[5])
elif len(transform_data) == 7:
self.factory.rotate(dim_tags,
transform_data[0], transform_data[1],
transform_data[2],
transform_data[3], transform_data[4],
transform_data[5],
transform_data[6])
elif len(transform_data) == 9:
self.factory.rotate(dim_tags,
transform_data[3], transform_data[4],
transform_data[5],
1, 0, 0, transform_data[6])
self.factory.rotate(dim_tags,
transform_data[3], transform_data[4],
transform_data[5],
0, 1, 0, transform_data[7])
self.factory.rotate(dim_tags,
transform_data[3], transform_data[4],
transform_data[5],
0, 0, 1, transform_data[8])
# Curves
self.curves = []
for i in range(len(self.curves_points)):
curve_points = [self.points[x] for x in self.curves_points[i]]
self.curves.append(
self.factory.addLine(curve_points[0], curve_points[1]))
# Surfaces
self.surfaces = []
for i in range(len(self.surfaces_curves)):
if self.factory == gmsh.model.geo:
cl_tag = self.factory.addCurveLoop(
map(lambda x, y: y * self.curves[x],
self.surfaces_curves[i], self.surfaces_curves_signs[i]))
self.surfaces.append(self.factory.addSurfaceFilling([cl_tag]))
else:
cl_tag = self.factory.addCurveLoop(
[self.curves[x] for x in self.surfaces_curves[i]])
self.surfaces.append(self.factory.addSurfaceFilling(cl_tag))
# Volumes
self.volumes = []
if self.factory == gmsh.model.occ:
# FIXME bug always return = -1 by default
out_sl = self.factory.addSurfaceLoop(self.surfaces, 1)
in_sls = []
for i, sl in enumerate(inner_surfaces):
# FIXME bug always return = -1 by default
in_sls.append(self.factory.addSurfaceLoop(sl, 2 + i))
else:
out_sl = self.factory.addSurfaceLoop(self.surfaces)
flatten_in_sls = list(itertools.chain.from_iterable(
inner_surfaces)) # 2D array to 1D array
in_sls = [
self.factory.addSurfaceLoop(flatten_in_sls)] # one surface loop
sls = list()
sls.append(out_sl)
sls += in_sls
self.volumes.append(self.factory.addVolume(sls))
curves_points = [
[1, 0], [5, 4], [6, 7], [2, 3],
[3, 0], [2, 1], [6, 5], [7, 4],
[0, 4], [1, 5], [2, 6], [3, 7]
]
surfaces_curves = [
[5, 9, 6, 10],
[4, 11, 7, 8],
[3, 10, 2, 11],
[0, 8, 1, 9],
[0, 5, 3, 4],
[1, 7, 2, 6]
]
surfaces_curves_signs = [
[1, 1, -1, -1],
[-1, 1, 1, -1],
[-1, 1, 1, -1],
[1, 1, -1, -1],
[-1, -1, 1, 1],
[1, -1, -1, 1]
]
surfaces_names = {
0: "NX",
1: "X",
2: "NY",
3: "Y",
4: "NZ",
5: "Z"
}
class NestedEnvironment:
def __init__(self, factory, lengths, transforms, inner_volumes,
physical_names):
if factory == 'occ':
self.factory = gmsh.model.occ
else:
self.factory = gmsh.model.geo
self.envs = list()
vs = list()
vs.extend(inner_volumes)
for i, length in enumerate(lengths):
in_ss = volumes_groups_surfaces(vs)
lx = length[0]
ly = length[1]
lz = length[2]
lc = length[3]
pn = physical_names[i]
t = transforms[i]
env = Environment(factory, lx, ly, lz, lc, t, in_ss, pn)
# !!! FACTORY SYNC !!!
self.factory.synchronize()
# !!! FACTORY SYNC !!!
vs.extend(env.volumes)
self.envs.append(env)
def get_volumes(self):
vs = list()
for env in self.envs:
vs.extend(env.volumes)
return vs
def get_nested_volumes(self):
vs = list()
for env in self.envs:
vs.append(env.volumes)
return vs
def get_nested_physical_names(self):
ns = list()
for env in self.envs:
ns.append(env.physical_name)
return ns