Subject:
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Re: Dat explorer
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 16 Sep 1999 21:23:32 GMT
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Viewed:
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567 times
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Povray sucks up 800+MB of virtual memory while parsing
Datsville. If we saved some of those memory structures as binary maped
files
and povray could work against those the next time it rendered, It should
speed
it up alot. I'm assuming that most of the time consumed is setting up
arrays in memory
derived from the parsed input.
KL
John VanZwieten wrote:
> There is no simple way how to do this.
> POV-Ray is an offline program which reads
> its input, computes a pretty output and
> terminates. There is an animation loop,
> but it is based on reparsing the scene.
>
> I noticed some debates on a binary format
> (this is probably what you mean) but it
> was never implemented (binary triangle
> meshes are the only exception). Anyway,
> a binary format would not lead to a
> significant parsing speedup.
>
> You asked for "any way". OK, there is a
> way how to do a camera animation without
> reparsing the scene. This requires some
> programming. You have to write a program
> which mimicks POV-Ray but keeps running
> unless told to terminate. Such an
> interactive POV-Ray must have an option
> to parse a new file after rendering a
> frame, without destroying the original
> scene which is still in memory. The new
> file will contain just the new camera.
> That's it.
>
> (from Tomas Plachetka )
>
> -John Van
That last part sounds like essentially the same thing except I want to
save the "scene" as
a huge binary file. That way the program doesn't have to parse every
time it's accidentially
killed.
KL
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Message is in Reply To:
 | | Re: Dat explorer
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| Kevin Loch <kloch@opnsys.com> wrote in message news:FI5yLw.5p6@lugnet.com... (...) 0 (...) of (...) significant (...) Even just the four diagonal directions would be great, and would only double the number of possible images. And factors of 50 (...) (25 years ago, 16-Sep-99, to lugnet.cad)
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