Hi Michael,
On 03/30/2010 08:41 AM, Michael Raab wrote:
> Hi all,
>
> I'm currently dealing with the configuration of a cluster environment using
> OpenSG 1.8 and got a question.
>
> 1.) How does the assignment between viewport and render server work? For
> MultiDisplayWindows it is possible to assign more viewports than render
> servers. Imagine I want to render several sides of a CAVE with an overlay on
> each of them. I would need 1 MDW, n server applications and 2*n viewports (1
> scene and 1 overlay viewport). Furthermore I need to connect one addional
> server to render an orthographic view on a separate machine. The plan would
> be to add one more viewport (+ ortho cam) to the MDW. Do I need to do the
> assignment between viewport und server manually? If yes, how can I do that?
> If no, how does it work instead?
The easiest way to think about is to imagine the MDW as one giant window that
is
just split between the different servers, depending on the server configuration.
In the simplest case you have an n wide x 1 high server configuration. In that
case the leftmost 1 nth of the MDW is displayed on the first server, the 2nd on
the second and so on. For n x m the first n are the top row, the second the
next
one and so on. But that's really only useful for n x m tiled walls, for your
case n x 1 is easier.
In this context you can set up viewports any way you want. If you make one big
one over the whole window it will be equally split between all the servers. If
you make a little one that is only 1 nth of the window width it will only be
shown on the first server and so on. If you make a big one plus one big overlay
one they both will be split between all servers.
Hope it helps
Dirk
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