[vtkusers] 3D model and 2d Image overlay - depth issues, flickering

[Aashish Chaudhary]

On Tue, Nov 5, 2013 at 11:15 PM, manikandtan.ck <manikandtan.ck at gmail.com>wrote:

> I tried using the renderer->setlayer function
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/BackgroundImage
> <http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/BackgroundImage>   and
> implemented used two renderers to make the 3d and 2d into layers 0 and 1.
>

This I believe is the right approach in VTK context.


> There I found a quirk that if I set interactivity on for both renderers
> then
> I get no Interaction. When I turn on interactivity of just 3d layer, both
> 3d
> and 2d moves but it causes flickering.


Seems like you are missing something. You should be able to set the
interaction on 3D renderer (which I believe what ParaView does) and and
have the 2D renderer on top of it.
Can you post relevant code here?


> Nothing moves when I turn just the 2d
> on.
>

- Aashish


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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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