[vtkusers] Transparent Viewport

[David E DeMarle]

Looking at you code, I'm suspicious of the single mapper/actor going into
two different renderers. Try splitting at the mapper level. Ie, one sphere
source, feeds 2 mappers, each of which feeds its own actor, each goes into
its own renderer.


David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909


On Fri, Aug 8, 2014 at 5:59 PM, Alireza Mehrtash <mehrtash at bwh.harvard.edu>
wrote:

> I tried that but it gives:
> vtkRendererCollection (0x8a6be0): Invalid layer for renderer: not rendered.
>
>
>
> On Fri, Aug 8, 2014 at 5:50 PM, David E DeMarle <dave.demarle at kitware.com>
> wrote:
>
>> Call SetLayer(1) on the overlay layer.
>> On Aug 8, 2014 5:27 PM, "Alireza Mehrtash" <mehrtash at bwh.harvard.edu>
>> wrote:
>>
>>> Hi All,
>>>
>>> I have two renderers in a render window ​with one of them as a bottom
>>> left viewport (the code and the picture are attached). I want the viewport
>>> renderer to be transparent exactly like the vtk oreientation marker [1]. I
>>> would appreciate if you help me achieving this.
>>>
>>> Thanks,
>>> Alireza
>>>
>>>
>>> [1]
>>> http://www.itk.org/Wiki/VTK/Examples/Cxx/Widgets/OrientationMarkerWidget
>>>
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