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
|
#############################################################
## ##
## Copyright (c) 2003-2017 by The University of Queensland ##
## Centre for Geoscience Computing ##
## http://earth.uq.edu.au/centre-geoscience-computing ##
## ##
## Primary Business: Brisbane, Queensland, Australia ##
## Licensed under the Open Software License version 3.0 ##
## http://www.apache.org/licenses/LICENSE-2.0 ##
## ##
#############################################################
from __future__ import division
from esys.lsm.vis import core
from .util import computeRotateWxyz
from .modifier import Modifiable
import vtk as kwvtk
import math
class Cylinder(core.Cylinder, Modifiable):
def __init__(self, endPt1, endPt2, radius):
core.Cylinder.__init__(self, endPt1, endPt2, radius)
Modifiable.__init__(self)
def getVtkSource(self):
cylinder = kwvtk.vtkCylinderSource()
cylinder.SetRadius(self.getRadius())
cylinder.SetCenter(self.getCenter())
cylinder.SetHeight(self.getHeight())
cylinder.SetResolution(10)
return cylinder
def getVtkMapper(self):
return kwvtk.vtkPolyDataMapper()
def getActor(self):
cylinder = self.getVtkSource()
cylinderMapper = self.getVtkMapper()
cylinderMapper.SetInput(cylinder.GetOutput())
cylinderActor = kwvtk.vtkActor()
cylinderActor.SetMapper( cylinderMapper )
cylinderActor.SetOrigin(self.getCenter())
yDir = core.Vec3(0,1,0) # original vtk cylinder-source axis direction
axisDir = core.Vec3(self.getEndPt2())-core.Vec3(self.getEndPt1())
(theta, rotAxis) = computeRotateWxyz(yDir, axisDir)
cylinderActor.RotateWXYZ(
theta,
rotAxis[0],
rotAxis[1],
rotAxis[2]
)
self.applyModifiers(cylinderActor)
return cylinderActor
def addActor(self, addTo):
addTo.AddActor(self.getActor())
class Disk(Cylinder):
"""
Objects of this class represent cylinders.
"""
def __init__(self, center, radius, height, direction=None):
if (direction == None):
direction = core.Vec3(0,0,1)
direction = core.Vec3(direction)
nrm = direction.norm()
if (nrm == 0.0):
direction = core.Vec3(0,0,1)
nrm = 1.0
center = core.Vec3(center)
direction = direction/nrm
Cylinder.__init__(
self,
endPt1 = center - (direction*(height*0.5)),
endPt2 = center + (direction*(height*0.5)),
radius = radius
)
|
