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I have started a new scene for my Iskander series, located (again) in the
Apollo temple model I built a couple of years ago.
Used here: LightSys with a high turbidity setting (simulates the sunlight
during Harmattan season); Real Camera of Edouard Poor, with as yet very low
blur samples as is obvious; radiosity with also very low samples. Rendered
in 25 minutes on a dual core machine and using POV-Ray 3.7, latest beta.
Thomas
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Attachments:
Download 'A Treacherous Knife_03.jpg' (104 KB)
Preview of image 'A Treacherous Knife_03.jpg'
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> I have started a new scene for my Iskander series, located (again) in the
> Apollo temple model I built a couple of years ago.
>
> Used here: LightSys with a high turbidity setting (simulates the sunlight
> during Harmattan season); Real Camera of Edouard Poor, with as yet very low
> blur samples as is obvious; radiosity with also very low samples. Rendered
> in 25 minutes on a dual core machine and using POV-Ray 3.7, latest beta.
>
> Thomas
Very nice lighting. I was interested to learn about the "Harmattan" winds. Where
I live we have annual winds called "Santa Ana" winds that are hot instead of
cool.
Regards,
Dave Blandston
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On 01/06/2010 9:50 AM, Thomas de Groot wrote:
> I have started a new scene for my Iskander series, located (again) in the
> Apollo temple model I built a couple of years ago.
>
Love the textures :-)
--
Best Regards,
Stephen
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Am 01.06.2010 10:50, schrieb Thomas de Groot:
> I have started a new scene for my Iskander series, located (again) in the
> Apollo temple model I built a couple of years ago.
>
> Used here: LightSys with a high turbidity setting (simulates the sunlight
> during Harmattan season); Real Camera of Edouard Poor, with as yet very low
> blur samples as is obvious; radiosity with also very low samples. Rendered
> in 25 minutes on a dual core machine and using POV-Ray 3.7, latest beta.
Looks very promising so far.
Post a reply to this message
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> I have started a new scene for my Iskander series, located (again) in the
> Apollo temple model I built a couple of years ago.
Nice. Bring on the high-quality renders. Ahead, quality factor 9!
Bill
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"Dave Blandston" <nomail@nomail> schreef in bericht
news:web.4c04d1d7816befb6cba3fb0f0@news.povray.org...
> Very nice lighting. I was interested to learn about the "Harmattan" winds.
> Where
> I live we have annual winds called "Santa Ana" winds that are hot instead
> of
> cool.
Thanks. I was reminded of the Harmattan by Stephen, while working on my
current entry to the "Money" challenge of TC-RTC. It remained in my memory
and came out again for this scene :-)
I was surprised to learn that the Harmattan is a (relatively) cool wind,
coming from the desert. However, I suppose that is mainly because the Gulf
of Guinea itself is stifflingly hot (and humid) in contrast. Deserts are
very cold at night of course, but that is probably not the whole explanation
as I am no desert expert, and the Santa Ana is hot as you say, so more
parameters are at play here...
Thomas
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"Stephen" <mca### [at] aolDOT com> schreef in bericht
news:4c04f695$1@news.povray.org...
> On 01/06/2010 9:50 AM, Thomas de Groot wrote:
>> I have started a new scene for my Iskander series, located (again) in the
>> Apollo temple model I built a couple of years ago.
>>
>
> Love the textures :-)
Thanks, Stephen. Interestingly, this is mainly the result of the lighting
which casts that yellowish sheen over the building, which is grey by itself.
Thomas
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"clipka" <ano### [at] anonymousorg> schreef in bericht
news:4c0503b6$1@news.povray.org...
>
> Looks very promising so far.
Thanks indeed. Much to do yet and slowly going further.
Thomas
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"Bill Pragnell" <bil### [at] hotmailcom> schreef in bericht
news:web.4c050e56816befb66dd25f0b0@news.povray.org...
> Nice. Bring on the high-quality renders. Ahead, quality factor 9!
>
Thanks Bill. Quality will come in due time and at a cost of course. I just
determined that I shall need at least 200 blur samples in order to eliminate
the ugly pixels in the far-middle ground where the light bands cast between
the columns are crowding closer together. So, render time will get a lot
higher...
Thomas
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> So, render time will get a lot
> higher...
It always does...
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On 02/06/2010 9:04 AM, Thomas de Groot wrote:
> "Stephen"<mca### [at] aolDOTcom> schreef in bericht
> news:4c04f695$1@news.povray.org...
>> On 01/06/2010 9:50 AM, Thomas de Groot wrote:
>>> I have started a new scene for my Iskander series, located (again) in the
>>> Apollo temple model I built a couple of years ago.
>>>
>>
>> Love the textures :-)
>
> Thanks, Stephen. Interestingly, this is mainly the result of the lighting
> which casts that yellowish sheen over the building, which is grey by itself.
>
I must have a play with LightSys. Do you set it up in Moray or in the
generated Pov script?
--
Best Regards,
Stephen
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"Stephen" <mca### [at] aolDOTcom> schreef in bericht
news:4c0653bb@news.povray.org...
>
> I must have a play with LightSys. Do you set it up in Moray or in the
> generated Pov script?
In POV-Ray. This scene does not use Moray by the way, but is entirely POV
SDL, with the temple as a construction of mesh2 objects.
Thomas
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"Bill Pragnell" <bil### [at] hotmailcom> schreef in bericht
news:web.4c050e56816befb66dd25f0b0@news.povray.org...
> Nice. Bring on the high-quality renders. Ahead, quality factor 9!
>
Here is one. 200 blur samples (still visible artifacts) and a render time of
about 1.5 hours
Thomas
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Should have added the image :-(
Here it is.
Thomas
Post a reply to this message
Attachments:
Download 'A Treacherous Knife_04.jpg' (89 KB)
Preview of image 'A Treacherous Knife_04.jpg'
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> Should have added the image :-(
>
> Here it is.
>
> Thomas
Looking great!
Cheers,
Edouard.
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"Edouard" <pov### [at] edouardinfo> schreef in bericht
news:web.4c08cc6a816befb63694f4200@news.povray.org...
> Looking great!
>
Thanks Edouard. Your camera macros are great too :-)
Thomas
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Everything looks fine with exception of these strange dots.
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> I have started a new scene for my Iskander series, located (again) in the
> Apollo temple model I built a couple of years ago.
>
> Used here: LightSys with a high turbidity setting (simulates the sunlight
> during Harmattan season); Real Camera of Edouard Poor, with as yet very low
> blur samples as is obvious; radiosity with also very low samples. Rendered
> in 25 minutes on a dual core machine and using POV-Ray 3.7, latest beta.
>
> Thomas
That's looking very good! It reminds me that I need to make an illusion.inc
tutorial describing how to speed up such renders. Scenes like this can benefit
from the technique without a loss of quality.
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"Samuel Benge" <stb### [at] hotmailcom> schreef in bericht
news:web.4c19209d816befb6a48fdb00@news.povray.org...
> That's looking very good! It reminds me that I need to make an
> illusion.inc
> tutorial describing how to speed up such renders. Scenes like this can
> benefit
> from the technique without a loss of quality.
>
Thanks indeed, Sam. I shall have a look into illusion.inc as I had not
realized its potentials.
Thomas
Post a reply to this message
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"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> "Samuel Benge" <stb### [at] hotmailcom> schreef in bericht
> news:web.4c19209d816befb6a48fdb00@news.povray.org...
> > That's looking very good! It reminds me that I need to make an
> > illusion.inc
> > tutorial describing how to speed up such renders. Scenes like this can
> > benefit
> > from the technique without a loss of quality.
>
> Thanks indeed, Sam. I shall have a look into illusion.inc as I had not
> realized its potentials.
Currently, illusion.inc does not take .hdr images, nor does it perform a
repeat/flip warp for the edges of the image. Both of these things are necessary
to make the final output convincing. I have a modified version of Rune's file at
hand, but I need to contact him before distributing it. Maybe he'll update his
version with my changes :)
A rough draft of my tutorial is nearly ready. I need to simplify things. There
are some ins-and-outs to making the whole thing work. To quickly summarize, let
me say that you need to:
1) render the background objects with no_image applied to the foreground objects
2) render the foreground objects with the background visible (you can render
only a section of the image to save time, POV-Ray reads partials)
3) finally, render all objects without radiosity/lighting/diffuse/etc., but with
the pre-rendered images applied, and with focal blur
During the first step for your particular scene, I would give the front-most
pillar the no_image attribute, but render everything else. I single it out
because the combined focal blur/compositing errors from it will be most visible.
That pillar will still cast a shadow and contribute to the radiosity, but having
it invisible will allow the background to render, which is what you want for the
first step. After that, you just work your way up to the foreground.
Complex scenes may require more layers, and some scenes will never look right no
matter what you do. But compositing errors in a scene like yours, if everything
is layered correctly, would be hardly noticeable, if at all.
I hope it doesn't sound too complex.
Sam
P.S. How long does "A Treacherous Knife" take to render without focal blur?
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