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
|
#!/usr/bin/env python
from vtkmodules.vtkCommonDataModel import (
vtkImageData,
)
from vtkmodules.vtkInteractionImage import (
vtkImageViewer2,
)
from vtkmodules.vtkRenderingCore import (
vtkRenderer,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkTextProperty,
)
from vtkmodules.vtkRenderingFreeType import (
vtkMathTextUtilities,
)
import vtkmodules.vtkRenderingMatplotlib
import vtkmodules.vtkRenderingOpenGL2
import vtkmodules.vtkRenderingUI
s = "$\\hat{H}\\psi = \\left(-\\frac{\\hbar}{2m}\\nabla^2 + V(r)\\right) \\psi = \\psi\\cdot E $"
image = vtkImageData()
utils = vtkMathTextUtilities()
utils.SetScaleToPowerOfTwo(False)
tprop = vtkTextProperty()
tprop.SetColor(1, 1, 1)
tprop.SetFontSize(50)
viewer = vtkImageViewer2()
renWin = viewer.GetRenderWindow()
utils.RenderString(s, image, tprop, renWin.GetDPI())
viewer.SetInputData(image)
iren = vtkRenderWindowInteractor()
viewer.SetupInteractor(iren)
viewer.Render()
ren = viewer.GetRenderer()
ren.ResetCamera()
ren.GetActiveCamera().Zoom(6.0)
viewer.Render()
renWin.SetMultiSamples(0)
iren = renWin.GetInteractor()
iren.Initialize()
if 'rtTester' not in locals() or rtTester.IsInteractiveModeSpecified():
iren.Start()
|
