Re: Changing transparency value

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Sylvain Mayer (mayer++at++cae.ca)
Mon, 12 Jul 1999 10:59:37 -0400

Izumi,

when running multiple processes, all state changes have to be made in the draw
process. This might pretty well be your problem. Try to modify the
transparency from a pre-draw callback (pfChanTravFunc).

Sylvain

--
Sylvain Mayer, 3D Graphics Developer
Graphics Simulation Technology
Display Eng. & Special Projects
CAE Electronics Ltd. (http://www.cae.ca)
mailto:mayer++at++cae.ca
Tel: (514) 341-6780    Ext: 3065
Fax: (514) 734-5618


Izumi Fukuoka wrote:


> Hello,
>
> In my application, I am trying to set the values in the scene graph and view
> position for the certain frame. When I set the values for the frame N, it
> doesn't seem to change the transparency value and other values at the same
> time. But it displays as if only the transparency value is changed for the
> frame N first, while other values are still set for the frame N-1, and then
> other values are changed for the frame N. This happens only in the
> multiprocess mode and it works fine in the single process mode.
>
> Can someone tell me what could be causing this problem?
>
> Thanks.
> Izumi Fukuoka

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