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From: Kene Meniru <Kene.Meniru@illom.org>
Subject: Embed vtk window in a QTabWidget
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Date: Thu, 28 Mar 2013 09:49:06 -0400
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Xref: csiph.com comp.lang.python:42127

Hi: 

I know this may not be the right place to post this but I found some other 
PyQt questions and I am desperate. 

My app is the Window class object below and I am trying to embed a 
QVTKRenderWindowInteractor class called ConeWindow in its QTabWidget. First 
of all running ConeWindow gives out QPainter::begin:, QPainter::save:, 
QPainter::setClipRegion:, and QPainter::restore: messages. This may be what 
is crashing the Window class when I embed it.

Can somebody help me here? Thanks.

-------------------
#!/usr/bin/env python
from PyQt4 import QtGui, QtCore
import vtk
from vtk.qt4.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
import sys


class Window(QtGui.QMainWindow):
    def __init__(self, parent=None):
        super(Window, self).__init__(parent)
        self.treeArea = QtGui.QTreeWidget()
        self.textArea = QtGui.QTextEdit()
        self.viewArea = QtGui.QTabWidget()
        self.msgArea = QtGui.QTextBrowser()
        # Add tabs
        self.modelTab = ConeWindow(self)
        #self.modelTab = QtGui.QTextBrowser()
        self.reportTab = QtGui.QTextBrowser()
        self.viewArea.addTab(self.modelTab, "Model")
        self.viewArea.addTab(self.reportTab, "Report")
        # Window area splitters
        self.vSplitter = QtGui.QSplitter(QtCore.Qt.Vertical)
        self.vSplitter.addWidget(self.viewArea)
        self.vSplitter.addWidget(self.msgArea)
        self.hSplitter = QtGui.QSplitter(QtCore.Qt.Horizontal)
        self.hSplitter.addWidget(self.treeArea)
        self.hSplitter.addWidget(self.textArea)
        self.hSplitter.addWidget(self.vSplitter)
        # Assign mainwindow
        self.setCentralWidget(self.hSplitter)


class ConeWindow(QVTKRenderWindowInteractor):
    def __init__(self, parent=None):
        QVTKRenderWindowInteractor.__init__(self, parent)
        self._parent = parent
        self.vrenderer = vtk.vtkRenderer()
        self.renderWindow = self.GetRenderWindow()
        self.renderWindow.AddRenderer(self.vrenderer)
        self.iren = self.renderWindow.GetInteractor()
        #
        self.cone = vtk.vtkConeSource()
        self.cone.SetResolution(8)
        self.coneMapper = vtk.vtkPolyDataMapper()
        self.coneMapper.SetInput(self.cone.GetOutput())
        self.coneActor = vtk.vtkActor()
        self.coneActor.SetMapper(self.coneMapper)
        self.vrenderer.AddActor(self.coneActor)
        self.iren.Initialize()

if __name__ == '__main__':
    app = QtGui.QApplication(sys.argv)
    widge = Window()
    widge.show()
    sys.exit(app.exec_())

-- 

Kene
::::::::::::::::::
KeMeniru@gmail.com