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From: William Tracy
Subject: Systema Metropolis: In the Wild
Date: 11 Feb 2008 16:53:42
Message: <47b0c3e6@news.povray.org>
Source for my TC-RTC entry, including version 0.2 of my tree planting 
macro. inthewild-output.txt contains the Povray output from my final 
render, if you're curious about the statistics.

I included the meshes for the terrain and the machines, but not the 
trees. The trees would have added about 15MB to the archive (!!!), and 
it's easy enough to generate them yourself with Povtree, anyway.

Finally, inthewild.pov has an Easter egg in it: Set the variable "RSOCP" 
to 1, and the file will render my Reflective Sphere on a Checkered Plain 
scene. Special thanks to Archpawn for the pun. :-)

-- 
William Tracy
afi### [at] gmailcom -- wtr### [at] calpolyedu

    They laughed. Photons rained on their skin, most shooting right 
through them. Here they were, transparent to the world.
     -- Kim Stanley Robinson, _Blue Mars_


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Attachments:
Download 'inthewild.zip' (54 KB)

From: Nicolas Alvarez
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 16:59:29
Message: <47b0c541$1@news.povray.org>
The archive has a password.


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From: William Tracy
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 17:12:00
Message: <47b0c830@news.povray.org>
Nicolas Alvarez wrote:
> The archive has a password.

Damnit.

I used 7zip with the flag:

-pass=15

Which I thought would do compression with 15 passes.

Instead, it set a password of:

ass=15

-- 
William Tracy
afi### [at] gmailcom -- wtr### [at] calpolyedu

Now we know everything there is to know about ML, except how to program!
     -- Jeffrey D. Ullman, _Elements of ML Programming_


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From: Nicolas Alvarez
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 17:27:47
Message: <47b0cbe3$1@news.povray.org>

> Which I thought^Wassumed would do compression with 15 passes.

Hmm... I don't know any lossless compression with such thing as 'passes'.

Shows how useful it is to rtfm, and how bad it is to assume :)


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From: Nicolas Alvarez
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 17:32:16
Message: <47b0ccf0$1@news.povray.org>

> and it's easy enough to generate them yourself with Povtree, anyway.

Even for those who have never used POV-Tree before? :)

I would like to know exactly what parameters you used, so I can recreate 
the same meshes as you.


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From: William Tracy
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 17:48:15
Message: <47b0d0af@news.povray.org>
From the 7z manual:

"pass={NumPasses}
     Sets number of passes for Deflate encoder. It can be in range from 
1 to 15 for Deflate and from 1 to 10 for BZip2. Usually big number gives 
a little bit better compression ratio and slower compression process."

As it turns out, the correct flag was -mpass=15, and it makes 
compression take significantly longer without noticeably reducing the 
file size (nearly double the time for a 0.1% size improvement).

-- 
William Tracy
afi### [at] gmailcom -- wtr### [at] calpolyedu

If we were told to parse starting *after* the supplied String, then do 
what we need to do to indicate pilot error.
     -- Laird Nelson, blogging on Java programming


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From: Nicolas Alvarez
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 18:03:26
Message: <47b0d43e@news.povray.org>

>  From the 7z manual:
> 
> "pass={NumPasses}
>     Sets number of passes for Deflate encoder. It can be in range from 1 
> to 15 for Deflate and from 1 to 10 for BZip2. Usually big number gives a 
> little bit better compression ratio and slower compression process."
> 
> As it turns out, the correct flag was -mpass=15, and it makes 
> compression take significantly longer without noticeably reducing the 
> file size (nearly double the time for a 0.1% size improvement).
> 

Sounds like increasing isosurface accuracy, antialiasing recursion 
level, max_trace_level to numbers where you don't see the extra 
reflections anyway, etc. :)


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From: Nicolas Alvarez
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 18:16:30
Message: <47b0d74e$1@news.povray.org>


>> and it's easy enough to generate them yourself with Povtree, anyway.
> 
> Even for those who have never used POV-Tree before? :)
> 
> I would like to know exactly what parameters you used, so I can recreate 
> the same meshes as you.

Actually, didn't you keep the include files generated by POV-Tree, the 
non-mesh ones? Those are 5KB, and I can make the mesh from it.


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From: William Tracy
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 21:20:45
Message: <47b1027d$1@news.povray.org>
Nicolas Alvarez wrote:
> Actually, didn't you keep the include files generated by POV-Tree, the 
> non-mesh ones? Those are 5KB, and I can make the mesh from it.

No, I didn't. :-P If you give me a few days (sorry, I've run out of free 
time right now) I can reconstruct what I did. It's just the Linden tree 
with a few tweaks.

-- 
William Tracy
afi### [at] gmailcom -- wtr### [at] calpolyedu

    You can never go back. Free Mars.
     -- Kim Stanley Robinson, _Green Mars_


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From: Nicolas Alvarez
Subject: Re: Systema Metropolis: In the Wild
Date: 11 Feb 2008 21:24:18
Message: <47b10352$1@news.povray.org>

> Nicolas Alvarez wrote:
>> Actually, didn't you keep the include files generated by POV-Tree, the 
>> non-mesh ones? Those are 5KB, and I can make the mesh from it.
> 
> No, I didn't. :-P 

POV-Tree manual recommends you should *always* save to that other 
format, and only export to mesh when you're done.

> If you give me a few days (sorry, I've run out of free time right
> now) I can reconstruct what I did.

Well... can you send me the huge meshes, at least? :) I want to try 
rendering your scene!


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