[vtkusers] Python Qt4 Vtk (5.8/5.10.1) Ubuntu 12.04

[Niels Linnemann]

Hi

This works, but it also breaks compatibility with the other systems as

vtk has no module named QVTKWidget.

So don't know what the best approach is here.


On Sat, Jan 5, 2013 at 8:43 PM, <lindeval at dmat.ufrr.br> wrote:

> Try this way, it worked here.
>
>
> from PyQt4.QtCore import *
> from PyQt4.QtGui  import *
> import vtk
> #from vtk.qt4.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
> import sys
> class Ui_MainWindow(QWidget):
>     def setupUi(self, MainWindow):
>        MainWindow.setObjectName("MainWindow")
>        MainWindow.resize(603, 553)
>        self.centralWidget = QWidget(MainWindow)
>        self.vtkWidget = vtk.QVTKWidget(self.centralWidget)
>        self.gridlayout = QGridLayout(self.centralWidget)
>        #self.vtkWidget = QVTKRenderWindowInteractor(self.centralWidget)
>        self.gridlayout.addWidget(self.vtkWidget, 0, 0, 1, 1)
>        MainWindow.setCentralWidget(self.centralWidget)
>
> class SimpleView(QMainWindow):
>     def __init__(self, parent = None):
>         QMainWindow.__init__(self, parent)
>         self.ui = Ui_MainWindow()
>         self.ui.setupUi(self)
>         widget = self.ui.vtkWidget
>         self.ren = vtk.vtkRenderer()
>         renwin = widget.GetRenderWindow()
>         renwin.AddRenderer(self.ren)
>         iren = self.ui.vtkWidget.GetRenderWindow().GetInteractor()
>         cube = vtk.vtkCubeSource()
>         cube.SetXLength(200)
>         cube.SetYLength(200)
>         cube.SetZLength(200)
>         cube.Update()
>         cm = vtk.vtkPolyDataMapper()
>         cm.SetInputConnection(cube.GetOutputPort())
>         ca = vtk.vtkActor()
>         ca.SetMapper(cm)
>         self.ren.AddActor(ca)
>         self.axesActor = vtk.vtkAnnotatedCubeActor();
>         self.axesActor.SetXPlusFaceText('R')
>         self.axesActor.SetXMinusFaceText('L')
>         self.axesActor.SetYMinusFaceText('H')
>         self.axesActor.SetYPlusFaceText('F')
>         self.axesActor.SetZMinusFaceText('P')
>         self.axesActor.SetZPlusFaceText('A')
>         self.axesActor.GetTextEdgesProperty().SetColor(1,1,0)
>         self.axesActor.GetTextEdgesProperty().SetLineWidth(2)
>         self.axesActor.GetCubeProperty().SetColor(0,0,1)
>         self.axes = vtk.vtkOrientationMarkerWidget()
>         self.axes.SetOrientationMarker(self.axesActor)
>         self.axes.SetInteractor(iren)
>         self.axes.EnabledOn()
>         self.axes.InteractiveOn()
>         self.ren.ResetCamera()
>
> if __name__ == "__main__":
>     app = QApplication(sys.argv)
>     window = SimpleView()
>     window.show()
>     app.exec_()
>
>
>
>
>
>
>
> ----- Mensagem original -----
> De: "Niels Linnemann" <ne.linnemann at gmail.com>
> Para: vtkusers at vtk.org
> Enviadas: Sábado, 5 de Janeiro de 2013 14:39:34 GMT -04:00 Georgetown
> Assunto: [vtkusers] Python Qt4 Vtk (5.8/5.10.1) Ubuntu 12.04
>
>
>
> Hi
>
>
> I've been struggling with this for a while now and don't seem to get any
> further.
>
>
> I have a Win 7 machine running the latest pythonxy release and a CentOS
> 6.3 machine using python 2.6, PyQt-4.6 and vtk 5.6.
>
>
> I'm embedding a VTK render window inside a QFrame.
>
>
> This example works on the other two machines.
>
>
>
> from PyQt4 import QtCore, QtGui
>
>
> from PyQt4.QtGui import QApplication
>
> import vtk
>
> from vtk.qt4.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
>
> import sys
>
>
>
> class Ui_MainWindow(object):
>
> def setupUi(self, MainWindow):
>
> MainWindow.setObjectName("MainWindow")
>
> MainWindow.resize(603, 553)
>
> self.centralWidget = QtGui.QWidget(MainWindow)
>
> self.gridlayout = QtGui.QGridLayout(self.centralWidget)
>
> self.vtkWidget = QVTKRenderWindowInteractor(self.centralWidget)
>
> self.gridlayout.addWidget(self.vtkWidget, 0, 0, 1, 1)
>
> MainWindow.setCentralWidget(self.centralWidget)
>
>
>
> class SimpleView(QtGui.QMainWindow):
>
>
>
> def __init__(self, parent = None):
>
> QtGui.QMainWindow.__init__(self, parent)
>
> self.ui = Ui_MainWindow()
>
> self.ui.setupUi(self)
>
> self.ren = vtk.vtkRenderer()
>
> self.ui.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
>
> iren = self.ui.vtkWidget.GetRenderWindow().GetInteractor()
>
> cube = vtk.vtkCubeSource()
>
> cube.SetXLength(200)
>
> cube.SetYLength(200)
>
> cube.SetZLength(200)
>
> cube.Update()
>
> cm = vtk.vtkPolyDataMapper()
>
> cm.SetInputConnection(cube.GetOutputPort())
>
> ca = vtk.vtkActor()
>
> ca.SetMapper(cm)
>
> self.ren.AddActor(ca)
>
> self.axesActor = vtk.vtkAnnotatedCubeActor();
>
> self.axesActor.SetXPlusFaceText('R')
>
> self.axesActor.SetXMinusFaceText('L')
>
> self.axesActor.SetYMinusFaceText('H')
>
> self.axesActor.SetYPlusFaceText('F')
>
> self.axesActor.SetZMinusFaceText('P')
>
> self.axesActor.SetZPlusFaceText('A')
>
> self.axesActor.GetTextEdgesProperty().SetColor(1,1,0)
>
> self.axesActor.GetTextEdgesProperty().SetLineWidth(2)
>
> self.axesActor.GetCubeProperty().SetColor(0,0,1)
>
> self.axes = vtk.vtkOrientationMarkerWidget()
>
> self.axes.SetOrientationMarker(self.axesActor)
>
> self.axes.SetInteractor(iren)
>
> self.axes.EnabledOn()
>
> self.axes.InteractiveOn()
>
> self.ren.ResetCamera()
>
> iren.Initialize()
>
>
>
>
>
>
> if __name__ == "__main__":
>
>
>
> app = QApplication(sys.argv)
>
> window = SimpleView()
>
> window.show()
> sys.exit(app.exec_())
>
>
> On the Ubuntu machine no window pops up.
> I have 2 machines with very different hardware and same result.
>
>
> Commenting the "iren.Initialize()" line will make the window show, but no
> render.
>
>
> I have tried using the built-in ubuntu vtk python wrapping (5.8) package.
> I have compiled both vtk 5.8 and 5.10.1 from source, but same result
> (removed the default package before).
>
>
> The challenge I'm facing is that I get absolutely no error messages or
> debug info that I can work with.
>
>
> I'm on the verge on giving up on Ubuntu on this issue.
>
>
> Does anyone have anything I could try before I reformat to another distro?
>
>
>
>
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