Hello Steve,<br>I am glad someone else has the same problems to solve ;)<br>However, I fear you are right : The books do not contain any<br>documentation on this. I even searched the archives without success.<br>There is only one rudimentary CPP example.<br>
Anyway, I will try to do the same as you are doing and<br>work myself through it. So maybe we can help each other out ?<br><br>Kind regards,<br>Oliver<br><br><div><span class="gmail_quote">2008/4/8, Steve Chall <<a href="mailto:stevec@renci.org">stevec@renci.org</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br> >Message: 18<br> >Date: Tue, 8 Apr 2008 14:12:32 +0200<br> >From: "Oliver Kania" <<a href="mailto:ptw.freiburg@googlemail.com">ptw.freiburg@googlemail.com</a>><br> >Subject: [vtkusers] Multiple rendering layers reacting to interaction<br>
>To: <a href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a><br> >Message-ID:<br> > <<a href="mailto:e22fb1100804080512q2b1ad655oee6f3581183bfb60@mail.gmail.com">e22fb1100804080512q2b1ad655oee6f3581183bfb60@mail.gmail.com</a>><br>
>Content-Type: text/plain; charset="iso-8859-1"<br> ><br> >Hello,<br> >my application has several layers :<br> ><br> >vtkRenderer RenderImage2 = new vtkRenderer();<br> >vtkRenderer RenderImage = new vtkRenderer();<br>
><br> > RenderImage.SetLayer(0);<br> > RenderImage2.SetLayer(1);<br> ><br> > RenderImage.SetInteractive(1);<br> > RenderImage2.SetInteractive(1);<br> ><br> ><br> > RenderImage.SetBackground(0.0, 0.0, 0.3);<br>
><br> > vtkRenderWindow renWin = new vtkRenderWindow();<br> > renWin.SetNumberOfLayers(2);<br> > renWin.AddRenderer(RenderImage2);<br> > renWin.AddRenderer(RenderImage);<br> ><br> >vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();<br>
>iren.SetRenderWindow(renWin);<br> >//set image mode interaction style<br> >vtkInteractorStyleImage interactor = new vtkInteractorStyleImage();<br> >ren.SetInteractorStyle(interactor);<br> ><br> >What I find is that only one layer reacts to interaction.<br>
>Since I used SetInteractive(), I was expecting that both layers do react.<br> >More generally, I want to have an arbitrary number of layers that do<br> >react to the same interaction. Maybe it is somehow possible to link<br>
>the cameras of the renderers ?<br> >(I tried Renderer1.setCamera(Renderer2.getCamera()) but that does<br> >not work)<br> ><br> >kind regards,<br> >Oliver<br> <br> Thank you, Oliver, for bringing layered rendering to my attention. This<br>
sounds like it could resolve some visibility issues I'm experiencing.<br> However, I can't seem to find very much documentation on this feature. I've<br> bought and looked through the books, read the code in vtkRenderer.h, and<br>
checked online, and pretty much all I've found out is that layers are<br> numbered and all but the bottom are transparent. I can and, if necessary,<br> will work through it empirically, i.e., by writing code and seeing what<br>
happens. But it would be valuable and probably much more efficient if there<br> were some more thorough documentation than what I've found thus far. Can<br> anyone point me to it? Admittedly, once again I may have just overlooked<br>
something obvious, but if so I'd appreciate someone shaking me out of my<br> tunnel vision. Thanks all.<br> <br> -Steve<br> <br> <br> _______________________________________________<br> This is the private VTK discussion list.<br>
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</blockquote></div><br>