Re: off-screen rendering

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Jeffry J Brickley (jbrickley++at++juno.com)
Mon, 2 Mar 1998 07:55:38 mst

On Fri, 27 Feb 1998 14:59:31 -0500 (EST) Tom Flynn
<flynnt++at++grumpy.ksc.nasa.gov> writes:
>Greetings
>
>My boss just asked me to render one of my scenes at 2048x2048 and
>capture
>it to a file. Screen res wise, my Onyx IR only goes to 1900x1200
>(bummer :).
>Is there a way in Performer I can render off-screen into memory and
>then
>write that out to a file? Maybe using SGI P-buffers or something?
>
Using the ircombine utility we have rendered a 3600x2400 screen for use
on a PowerWall display. That is four monitors of 1600x1200 combined into
one unit. Although this was managed by two pipes each configured as
3600x1200 dual screen, I believe that the process would be the same to
set up for your display.

1) using the ircombine utility, change the 'managed area' to your desired
size.
2) save to eprom, then reboot the machine as required.
3) using the ircombine utility move your display channel(s) to the
desired location within the managed area.
4) save again, then reboot as required.

you should be set up for your display. Note that the 'visual login' at
the startup of the machine is 'centered' to your managed area, so be
careful that you still have the ability to login.... SGI may know how to
change that, but I do not.... With two channels we simply had to
activate the second monitor locally long enough to login....

Jeffry J. Brickley
SRS Technologies
White Sands Missile Range, NM

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