/usr/share/vtk/Modelling/Python/SpherePuzzle.py is in vtk-examples 5.8.0-17.5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | #!/usr/bin/env python
# A game with VTK and Tkinter. :)
import Tkinter
import vtk
from vtk.tk.vtkTkRenderWindowInteractor import vtkTkRenderWindowInteractor
# Create the pipeline
puzzle = vtk.vtkSpherePuzzle()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(puzzle.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
arrows = vtk.vtkSpherePuzzleArrows()
mapper2 = vtk.vtkPolyDataMapper()
mapper2.SetInputConnection(arrows.GetOutputPort())
actor2 = vtk.vtkActor()
actor2.SetMapper(mapper2)
renWin = vtk.vtkRenderWindow()
ren = vtk.vtkRenderer()
renWin.AddRenderer(ren)
# Add the actors to the renderer, set the background and size
ren.AddActor(actor)
ren.AddActor(actor2)
ren.SetBackground(0.1, 0.2, 0.4)
ren.ResetCamera()
cam = ren.GetActiveCamera()
cam.Elevation(-40)
## Generate the GUI
root = Tkinter.Tk()
root.withdraw()
# Define a quit method that exits cleanly.
def quit(obj=root):
obj.quit()
# Create the toplevel window
top = Tkinter.Toplevel(root)
top.title("Sphere Puzzle")
top.protocol("WM_DELETE_WINDOW", quit)
# Create some frames
f1 = Tkinter.Frame(top)
f2 = Tkinter.Frame(top)
f1.pack(side="top", anchor="n", expand=1, fill="both")
f2.pack(side="bottom", anchor="s", expand="t", fill="x")
# Create the Tk render widget, and bind the events
rw = vtkTkRenderWindowInteractor(f1, width=400, height=400, rw=renWin)
rw.pack(expand="t", fill="both")
def reset(evt=None):
puzzle.Reset()
renWin.Render()
# Display some information
l1 = Tkinter.Label(f2, text="Position cursor over the rotation plane.")
l2 = Tkinter.Label(f2, text="Moving pieces will be highlighted.")
l3 = Tkinter.Label(f2, text="Press 'm' to make a move.")
reset = Tkinter.Button(f2, text="Reset", command=reset)
b1 = Tkinter.Button(f2, text="Quit", command=quit)
for i in (l1, l2, l3, reset, b1):
i.pack(side="top", expand="t", fill="x")
# Done with the GUI. Create callback functions.
in_piece_rotation = 0
LastVal = None
# Highlight pieces
def MotionCallback(obj, event):
global in_piece_rotation
global LastVal
if in_piece_rotation:
return
iren = renWin.GetInteractor()
istyle = iren.GetInteractorStyle().GetCurrentStyle()
# Return if the user is performing interaction
if istyle.GetState():
return
# Get mouse position
pos = iren.GetEventPosition()
x, y = pos
# Get world point
ren.SetDisplayPoint(x, y, ren.GetZ(x, y))
ren.DisplayToWorld()
pt = ren.GetWorldPoint()
val = puzzle.SetPoint(pt[0], pt[1], pt[2])
if (not LastVal) or val != LastVal:
renWin.Render()
LastVal = val
# Rotate the puzzle
def CharCallback(obj, event):
iren = renWin.GetInteractor()
keycode = iren.GetKeyCode()
if keycode != "m" and keycode != "M":
return
pos = iren.GetEventPosition()
ButtonCallback(pos[0], pos[1])
def ButtonCallback(x, y):
global in_piece_rotation
if in_piece_rotation:
return
in_piece_rotation = 1
# Get world point
ren.SetDisplayPoint(x, y, ren.GetZ(x,y))
ren.DisplayToWorld()
pt = ren.GetWorldPoint()
x, y, z = pt[:3]
for i in range(0, 101, 10):
puzzle.SetPoint(x, y, z)
puzzle.MovePoint(i)
renWin.Render()
root.update()
in_piece_rotation = 0
root.update()
# Modify some bindings, use the interactor style 'switch'
iren = renWin.GetInteractor()
istyle = vtk.vtkInteractorStyleSwitch()
iren.SetInteractorStyle(istyle)
istyle.SetCurrentStyleToTrackballCamera()
iren.AddObserver("MouseMoveEvent", MotionCallback)
iren.AddObserver("CharEvent", CharCallback)
# Shuffle the puzzle
ButtonCallback(218, 195)
ButtonCallback(261, 128)
ButtonCallback(213, 107)
ButtonCallback(203, 162)
ButtonCallback(134, 186)
iren.Initialize()
renWin.Render()
iren.Start()
root.mainloop()
|