[vtkusers] vtkPlaneWidget overlapping RayCast Volume

[Lisa Avila]

Do you have an opacity that is not 1.0 on some property in your plane 
widget? This will cause a problem since two translucent overlapping objects 
will not be drawn correctly.

Lisa


At 08:06 AM 10/5/2005, Tiago wrote:
>Hi Guys!
>
>Having a raycast volume, when I rotate the plane (a vtkPlaneWidget) it
>overlaps the volume when it is on top of it. I mean, it is just as if the
>volume were backwards. However, they're in the same depth. Then, if I rotate
>the plane again, it still stays in a forward plane.
>
>Is it some plane property I'm not setting correctly? Has anyone ever had a
>problem similar to this? Does someone knows the solution?
>
>Thanks!
>
>Tiago
>
>ps: here is the part of the code, when I create the plane:
>
>         property = vtk.vtkProperty()
>         property.SetFrontfaceCulling(1)
>         property.FrontfaceCullingOn()
>
>         self.planeWidgetx = vtk.vtkImagePlaneWidget()
>         self.planeWidgetx.SetInput(cast.GetOutput())
>         self.planeWidgetx.SetPlaneOrientationToXAxes()
>         self.planeWidgetx.SetSliceIndex(0)
>         self.planeWidgetx.SetResliceInterpolateToLinear()
>         self.planeWidgetx.GetPlaneProperty().SetColor(1,0,0)
>         self.planeWidgetx.SetTexturePlaneProperty(property)
>
>         (...)
>
>         iact = iren._Iren
>         self.iact = iact
>         self.planeWidgetx.SetInteractor(iact)
>         self.planeWidgetx.On()
>
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