examples/usersguide/brick_stl.py


########################################################
#
# Copyright (c) 2003-2009 by University of Queensland
# Earth Systems Science Computational Center (ESSCC)
# http://www.uq.edu.au/esscc
#
# Primary Business: Queensland, Australia
# Licensed under the Open Software License version 3.0
# http://www.opensource.org/licenses/osl-3.0.php
#
########################################################

__copyright__="""Copyright (c) 2003-2009 by University of Queensland
Earth Systems Science Computational Center (ESSCC)
http://www.uq.edu.au/esscc
Primary Business: Queensland, Australia"""
__license__="""Licensed under the Open Software License version 3.0
http://www.opensource.org/licenses/osl-3.0.php"""
__url__="https://launchpad.net/escript-finley"

from esys.escript import *
from esys.pycad import *
from esys.pycad.gmsh import Design


p0=Point(0.,0.,0.)
p1=Point(1.,0.,0.)
p2=Point(0.,1.,0.)
p3=Point(1.,1.,0.)
p4=Point(0.,0.,1.)
p5=Point(1.,0.,1.)
p6=Point(0.,1.,1.)
p7=Point(1.,1.,1.)

l01=Line(p0,p1)
l13=Line(p1,p3)
l32=Line(p3,p2)
l20=Line(p2,p0)

l45=Line(p4,p5)
l57=Line(p5,p7)
l76=Line(p7,p6)
l64=Line(p6,p4)

l15=Line(p1,p5)
l40=Line(p4,p0)
l37=Line(p3,p7)
l62=Line(p6,p2)

bottom=PlaneSurface(CurveLoop(l01,l13,l32,l20))
top=PlaneSurface(CurveLoop(l45,l57,l76,l64))
front=PlaneSurface(CurveLoop(l01,l15,-l45,l40))
back=PlaneSurface(CurveLoop(l32,-l62,-l76,-l37))
left=PlaneSurface(CurveLoop(-l40,-l64,l62,l20))
right=PlaneSurface(CurveLoop(-l15,l13,l37,-l57))
v=Volume(SurfaceLoop(top,-bottom,front,back,left,right))

des=Design(dim=3, order=2, element_size = 0.1, keep_files=True)
des.setScriptFileName("brick.geo")
des.addItems(v, top, bottom, back, front, left , right)

des.setFileFormat(des.STL)
des.setMeshFileName("brick.stl")
des.generate()
1
2	########################################################
3	#
4	# Copyright (c) 2003-2009 by University of Queensland
5	# Earth Systems Science Computational Center (ESSCC)
6	# http://www.uq.edu.au/esscc
7	#
8	# Primary Business: Queensland, Australia
9	# Licensed under the Open Software License version 3.0
10	# http://www.opensource.org/licenses/osl-3.0.php
11	#
12	########################################################
13
14	__copyright__="""Copyright (c) 2003-2009 by University of Queensland
15	Earth Systems Science Computational Center (ESSCC)
16	http://www.uq.edu.au/esscc
17	Primary Business: Queensland, Australia"""
18	__license__="""Licensed under the Open Software License version 3.0
19	http://www.opensource.org/licenses/osl-3.0.php"""
20	__url__="https://launchpad.net/escript-finley"
21
22	from esys.escript import *
23	from esys.pycad import *
24	from esys.pycad.gmsh import Design
25
26
27	p0=Point(0.,0.,0.)
28	p1=Point(1.,0.,0.)
29	p2=Point(0.,1.,0.)
30	p3=Point(1.,1.,0.)
31	p4=Point(0.,0.,1.)
32	p5=Point(1.,0.,1.)
33	p6=Point(0.,1.,1.)
34	p7=Point(1.,1.,1.)
35
36	l01=Line(p0,p1)
37	l13=Line(p1,p3)
38	l32=Line(p3,p2)
39	l20=Line(p2,p0)
40
41	l45=Line(p4,p5)
42	l57=Line(p5,p7)
43	l76=Line(p7,p6)
44	l64=Line(p6,p4)
45
46	l15=Line(p1,p5)
47	l40=Line(p4,p0)
48	l37=Line(p3,p7)
49	l62=Line(p6,p2)
50
51	bottom=PlaneSurface(CurveLoop(l01,l13,l32,l20))
52	top=PlaneSurface(CurveLoop(l45,l57,l76,l64))
53	front=PlaneSurface(CurveLoop(l01,l15,-l45,l40))
54	back=PlaneSurface(CurveLoop(l32,-l62,-l76,-l37))
55	left=PlaneSurface(CurveLoop(-l40,-l64,l62,l20))
56	right=PlaneSurface(CurveLoop(-l15,l13,l37,-l57))
57	v=Volume(SurfaceLoop(top,-bottom,front,back,left,right))
58
59	des=Design(dim=3, order=2, element_size = 0.1, keep_files=True)
60	des.setScriptFileName("brick.geo")
61	des.addItems(v, top, bottom, back, front, left , right)
62
63	des.setFileFormat(des.STL)
64	des.setMeshFileName("brick.stl")
65	des.generate()