[vtkusers] about PyQt4 and vtk

[Lic. José M. Rodriguez Bacallao]

no one

On 10/17/09, Lic. José M. Rodriguez Bacallao <jmrbcu at gmail.com> wrote:
> I realize that after a night of sleeplessness, thanks very much for
> your help. Here is another question: I have made my
> QVTKRenderWindowInteractor parent of QWidget and put the QWidget as a
> the Widget of my MDI windows, but, when I change the active MDI
> windows, I get some flicker and a little ghost image of my previous
> window.
>
> PS: I am visualizing DICOM images in each MDI window
>
> On 10/15/09, Clinton Stimpson <clinton at elemtech.com> wrote:
>>
>> That's probably because reparenting is not implemented for
>> QVTKRenderWindowInteractor.
>> You could probably get around it by making an intermediate QWidget that
>> is the parent and put that in the mdi area.
>>
>> Clint
>>
>> On 10/15/2009 03:08 PM, Lic. José M. Rodriguez Bacallao wrote:
>>> hi folks, I'm trying to embed an QVTKRenderWindowInteractor in a mdi
>>> subwindow of a PyQt4 application but it raise a lot of BadWindows
>>> errors and Seg Faults like this:
>>>
>>> X Error: BadWindow (invalid Window parameter) 3
>>>    Major opcode: 2 (X_ChangeWindowAttributes)
>>>    Resource id:  0x340004b
>>> X Error: BadWindow (invalid Window parameter) 3
>>>    Major opcode: 3 (X_GetWindowAttributes)
>>>    Resource id:  0x340004b
>>>
>>> this is an example code:
>>>
>>> import sys
>>>
>>> from vtk.qt4.QVTKRenderWindowInteractor import
>>> QVTKRenderWindowInteractor
>>> from PyQt4 import QtGui
>>>
>>>
>>> class Window(QtGui.QMainWindow):
>>>
>>>      def __init__(self, title):
>>>          super(Window, self).__init__()
>>>
>>>          self.setWindowTitle(title)
>>>
>>>          file_menu = self.menuBar().addMenu('&File')
>>>          file_menu.addAction('&New Scene', self.new_scene)
>>>
>>>
>>>          self.mdi = QtGui.QMdiArea(self)
>>>          self.setCentralWidget(self.mdi)
>>>          self.interactors = []
>>>
>>>      def new_scene(self):
>>>          rwi = QVTKRenderWindowInteractor(self)
>>>          self.interactors.append(rwi)
>>>          scene = self.mdi.addSubWindow(rwi)
>>>          scene.show()
>>>
>>>
>>> app = QtGui.QApplication(sys.argv)
>>> window = Window('Test')
>>> window.showMaximized()
>>> app.exec_()
>>>
>>>
>>
>>
>
>
> --
> Lic. José M. Rodriguez Bacallao
> Centro de Biofisica Medica
> -----------------------------------------------------------------
> Todos somos muy ignorantes, lo que ocurre es que no todos ignoramos lo
> mismo.
>
> Recuerda: El arca de Noe fue construida por aficionados, el titanic
> por profesionales
> -----------------------------------------------------------------
>


-- 
Lic. José M. Rodriguez Bacallao
Centro de Biofisica Medica
-----------------------------------------------------------------
Todos somos muy ignorantes, lo que ocurre es que no todos ignoramos lo mismo.

Recuerda: El arca de Noe fue construida por aficionados, el titanic
por profesionales
-----------------------------------------------------------------