Map Files Not Helping 2004-06-09 - By Raffaele "ThE_JacO" Fragapane
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That's a non issue, only comes up with hard linked files.
We use map files all the time here for some massive maps on 2k renderings
and they hardly ever falter.
The trick is to link to them via proper aliasing or by UNC paths, that is
what one should do all the time anyway :)
~Raffaele Fragapane
~Freelance Technical Animator & TD
~Senior TA @ Peerless Camera
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf Of
Ben Kilgore
Sent: Wednesday, June 09, 2004 9:49 AM
To: XSI@(protected)
Subject: Re: Map Files Not Helping
I'll note here that using nonlocal .map files on a network render won't
cause just a lot of traffic, but absolute inability to render (crashes).
Perhaps not in all situations, but certainly in the instances I have seen.
I believe this limitation is detailed in the docs.
Ben
-- -- Original Message -- --
From: "Jim Rothrock" <jimr@(protected)>
To: <XSI@(protected)>
Sent: Tuesday, June 08, 2004 1:21 PM
Subject: Re: Map Files Not Helping
> When you create your .map files, make sure you give the -p and -r options
to
> imf_copy. -p will precompute the pyramid map, so it doesn't have to be
done
> at render time, and -r (i.e. tiled .map file) can improve cache coherence.
> However, the most important factor in fixing your .jpg-.map speed issue is
> to move your .map files to the local hard drives on your render nodes.
> Using nonlocal .map files will result in a lot of network traffic. With a
> little scripting and a copy of gmake, you can automate the .map file
copying
> so that it occurs only when your source texture map files are changed.
> --
> Jim Rothrock | jimr@(protected)
> -- -- Original Message -- --
> From: "Claudio Pavan" <claudio@(protected)>
> To: <XSI@(protected)>
> Sent: Tuesday, June 08, 2004 4:33 AM
> Subject: Map Files Not Helping
>
>
> > So now I have converted JPG to Map files, but my render is really really
> > slow..... Why is this and what can I do to fix this.
>
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