POV-Ray : Newsgroups : povray.binaries.images : Molecular electron density using media : Re: Molecular electron density using media Server Time
4 Oct 2024 17:15:21 EDT (-0400)
  Re: Molecular electron density using media  
From: Jim Kress
Date: 8 Mar 1999 11:27:31
Message: <36e3fa73.0@news.povray.org>
Thanks!

My 20 min was at 640x480 no aa.  Your hints should really help.

--
Jim

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Bob Hughes wrote in message <36E36776.663C6A4F@aol.com>...
>I got 2 min 19 sec for a 160x120 res rendering as is.
>I changed the variance to 1/100 and confidence to 0.9 and got a 38 sec.
>render, or almost 1/4 the time.
>Not much noticeable difference in appearance I think.
>And dropping intervals and samples down is like lightning speed by
>comparison if you are into the media grain sort of thing ;)
>'intervals' is the major speed factor next to the minimum samples
>number. As long as these two stay low, ie. intervals 5 samples
>1,whatever then your okay. But you'll certainly have that peppered look!
>Actually the samples maximum makes little difference in speed.
>
>
>Jim Kress wrote:
>>
>> Here's my first attempt at using media to render molecular electron
density.
>> I have learned a new appreciation for the work SLOW in doing this
rendering.
>>
>> I'd like to ask all the media wizards, how can I get this to render much
>> faster than 20 minutes?  I've included the pov and df3 files in the
attached
>> zip archive.  Any help would be greatly appreciated.  I need this to
render
>> much faster for general application development and debugging purposes.
>> Once the application is done, rendering times of 20 minutes  would be no
>> problem.
>>
>> Also, thanks to Stephen Lavedas and Ken Tyler for some help in figuring
out
>> how to directly generate the df3 file from my isosurface rendering code.
>>
>> Jim
>
>--
> omniVERSE: beyond the universe
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