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
|
#!/usr/bin/env python
import sys
from PyQt4 import QtOpenGL,QtGui,QtCore
import vtk
class MyOpenGLScene(QtGui.QGraphicsScene):
def __init__(self, ctx):
super(MyOpenGLScene, self).__init__()
self.mCtx = ctx
self.mQVTKItem = vtk.QVTKGraphicsItem(self.mCtx)
self.addItem(self.mQVTKItem)
self.mQVTKItem.setGeometry(20,20,128,128)
self.mRen = vtk.vtkRenderer()
self.mQVTKItem.GetRenderWindow().AddRenderer(self.mRen)
cone = vtk.vtkConeSource()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(cone.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.mRen.AddViewProp(actor)
self.mRen.ResetCamera()
class MyGraphicsView(QtGui.QGraphicsView):
def __init__(self):
super(MyGraphicsView, self).__init__()
self.mWidget = vtk.QVTKWidget2()
self.setViewport(self.mWidget)
self.setViewportUpdateMode(QtGui.QGraphicsView.FullViewportUpdate)
self.mScene = MyOpenGLScene(self.mWidget.context())
self.setScene(self.mScene)
self.mRen = vtk.vtkRenderer()
self.mRen.SetBackground(0,0,0)
self.mRen.SetBackground2(1,1,1)
self.mRen.SetGradientBackground(1)
textActor = vtk.vtkTextActor3D()
textActor.SetInput("Qt & VTK!!")
self.mRen.AddViewProp(textActor)
self.mRen.ResetCamera()
self.mWidget.GetRenderWindow().AddRenderer(self.mRen)
self.mWidget.GetRenderWindow().SetSwapBuffers(0)
def resizeEvent(self, evt):
super(MyGraphicsView, self).resizeEvent(evt)
s = evt.size()
self.mWidget.GetRenderWindow().SetSize(s.width(), s.height())
self.scene().setSceneRect(0, 0, s.width(), s.height())
def drawBackground(self, painter, rect):
painter.beginNativePainting();
self.mWidget.GetRenderWindow().PushState();
self.mWidget.GetRenderWindow().Render();
self.mWidget.GetRenderWindow().PopState();
painter.endNativePainting();
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
win = MyGraphicsView()
win.show()
win.resize(800,600)
sys.exit(app.exec_())
|
