Re: terrain database paging

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John Rohlf (jrohlf++at++tubes)
Wed, 2 Aug 95 13:49:54 PDT

>
> I have been given the task of implementing a terrain data base paging
> system in a Performer 1.2 application (NPSNET-IV). I have read
> through previous postings about paging and know that libpf calls
> should not be called from a sproc'd process with out putting a datalock
> around each call in both the app process and the paging process.
>
> I was wondering however, if I build the terrain page in a sproc'd
> process (ie calling pfAddChild etc) without adding it to the main
> scene graph and then pass the pointer back to the app and add the
> page to the scene graph in the app, would this still have the potential
> of causing contention?

        Unfortunately this will not work. You will have to
get 2.0 which supports database paging.

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