I get the feeling that some bad assumptions were made about how
many nodes will actually be under an AlternateAppearance node.
I think alot of time is being spent on juggling arrays from some
shot in the dark investigations. AlternateAppearances seem to be
treated similar to 'small quantity' objects like lights. Things
get slow pretty quickly on a model of any complexity for us..
-j
Yuri Nikishkov wrote:
>
> Did anybody try setting AlternateAppearance on a large scene?
>
> I have the model that has about 200 groups and 11000 shapes total. The
> rendering time (in software) is still not bad, less than 0.4 sec per frame,
> but when I try to set AlternateAppearance that colors the whole model (with
> my top branch group as a scope), it takes about 2 seconds! And moreover, it
> takes about twice this time, 4 seconds, to remove it. Profiling indicates
> that most of the time (75%) is spent in Java3D RenderUpdateStructure thread.
> Is there something that I can do to improve performance?
>
> Yuri Nikishkov
> Software Engineer, Graphics Technology
> Alventive, Inc. - 678.202.2349
>
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