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Since my last image on metal monsters, I have been experimenting with
sunsets in which the background sky remains blue. It is something I
often see from my RL window at a particular hour of the evening. I have
put the background sky into a separate light_group illuminated by a noon
sun, all the rest is illuminated by a sunset sun (both from CIE.inc btw).
The clouds are a scattering light grey media within a hollow spherical
shell of a certain thickness.
This view is attractive I believe and a reminder of more southern climes.
--
Thomas
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Attachments:
Download 'sundown_test.png' (350 KB)
Preview of image 'sundown_test.png'
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Thomas de Groot <tho### [at] degroot org> wrote:
> Since my last image on metal monsters, I have been experimenting with
> sunsets in which the background sky remains blue. It is something I
> often see from my RL window at a particular hour of the evening. I have
> put the background sky into a separate light_group illuminated by a noon
> sun, all the rest is illuminated by a sunset sun (both from CIE.inc btw).
>
> The clouds are a scattering light grey media within a hollow spherical
> shell of a certain thickness.
>
> This view is attractive I believe and a reminder of more southern climes.
>
> --
> Thomas
That's a great looking cloud formation you have there. I very much like the way
you have the varying colors in different portions of the cloud mass, and the way
the light strikes them from that "underneath" angle.
I think you've grasped the essentials of the lighting and the colors, and the
manner that your lighting evokes that - late afternoon illumination of something
near by something so very big but so very far away. If this is a new avenue of
expression, I very much look forward to seeing LOTS more of it :)
Very nice work, Thomas.
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On 23-7-2016 2:55, Bald Eagle wrote:
> That's a great looking cloud formation you have there. I very much like the way
> you have the varying colors in different portions of the cloud mass, and the way
> the light strikes them from that "underneath" angle.
>
> I think you've grasped the essentials of the lighting and the colors, and the
> manner that your lighting evokes that - late afternoon illumination of something
> near by something so very big but so very far away. If this is a new avenue of
> expression, I very much look forward to seeing LOTS more of it :)
>
> Very nice work, Thomas.
>
Thank you very much indeed. This was the first image I was really
satisfied with after a long series of test that were interesting at
best. It is a very delicate matter with a large number delicate
parameters all influencing each other. For now I am mainly playing with
density variations which - it must be said - do not create really
/realistic/ cloud patterns, but the idea is perfectly applicable of
course on Gilles Tran's MakeCloud objects. However, I am not really
after true realism in general so I am just searching for that one
pattern that attracts me.
This particular pattern is based on a bozo density pattern. Samples are
low in this example but in most cases using other patterns need to be
increased to possibly 100.
Quick-and-dirty:
//---------------start code
#declare AtmosScale = <10, 10, 10>;
#declare Density_in =
density {
//spiral1 4
//marble
//granite
bozo
//spherical
frequency 6
color_map {
[0.30 rgb <0.00, 0.00, 0.00>]
[0.48 rgb 0.9]
[0.52 rgb 0.9]
[0.70 rgb <0.00, 0.00, 0.00>]
}
scale 5
//rotate 90*x //when using spirals; either here or:
scale 50
warp {turbulence <2, 4, 2>*1}
scale 1/50
//rotate 90*x //when using spirals; here
}
#declare Density_out =
density {
//spherical
//color_map {
/*[1.0*/ rgb <0.00, 0.00, 0.00>//]
//}
}
#declare Atmosphere =
difference {
sphere {0, 1000}
sphere {0, 600}
hollow
material {
texture {pigment {color rgbt 1} finish {ambient 0 diffuse 0}}
interior {
media {
// (---general values---)
intervals 1
samples 5
scattering {1, rgb <1,1,1>*0.05/AtmosScale}
// (---method---)
//method 3 // adaptive sampling
//aa_threshold 0.1 // accuracy threshold for method 3 [0.1]
//aa_level 4 // maximum recursion depth for method 3 [4]
//jitter 0.5 // randomness for method 2&3
// (---density---)
density {
spherical
density_map {
[0.1 Density_out]
[0.9 Density_in]
}
warp {turbulence 0.3}
scale 900
}
}
}
}
scale AtmosScale
scale <5, 1.0, 5>
rotate 45*y
}
//---------------end code
--
Thomas
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Just substituting granite to bozo. Increasing samples will smooth out
the ragged edges.
--
Thomas
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Attachments:
Download 'sundown_test.png' (567 KB)
Preview of image 'sundown_test.png'
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A nice one with wrinkles pattern.
--
Thomas
Post a reply to this message
Attachments:
Download 'sundown_test_04-wrinkles.png' (446 KB)
Preview of image 'sundown_test_04-wrinkles.png'
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This one is for Stephen.
"to wound the autumnal city."
Cityscape macros by Mike Williams.
--
Thomas
Post a reply to this message
Attachments:
Download 'dhalgren_01.png' (429 KB)
Preview of image 'dhalgren_01.png'
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On 7/28/2016 9:46 AM, Thomas de Groot wrote:
> This one is for Stephen.
>
> "to wound the autumnal city."
>
So howled out for the world to give him a name.
> Cityscape macros by Mike Williams.
>
Atmospheric. I like it. Thank you.
(Maybe a bloodier sky with a bloated sun?)
--
Regards
Stephen
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On 28-7-2016 12:30, Stephen wrote:
> On 7/28/2016 9:46 AM, Thomas de Groot wrote:
>> This one is for Stephen.
>>
>> "to wound the autumnal city."
>>
>
> So howled out for the world to give him a name.
>
>> Cityscape macros by Mike Williams.
>>
>
> Atmospheric. I like it. Thank you.
>
> (Maybe a bloodier sky with a bloated sun?)
>
I intend to work some more on this piece.
--
Thomas
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On 7/28/2016 2:33 PM, Thomas de Groot wrote:
> On 28-7-2016 12:30, Stephen wrote:
>> On 7/28/2016 9:46 AM, Thomas de Groot wrote:
>>> This one is for Stephen.
>>>
>>> "to wound the autumnal city."
>>>
>>
>> So howled out for the world to give him a name.
>>
>>> Cityscape macros by Mike Williams.
>>>
>>
>> Atmospheric. I like it. Thank you.
>>
>> (Maybe a bloodier sky with a bloated sun?)
>>
>
> I intend to work some more on this piece.
>
>
Good.
It made me think of doing an image of the kid as a scorpion.
A couple of years ago I made a start on the dress Lanya wore to the big
party.
[Un-sensuous nudity warning]
https://www.youtube.com/watch?v=jvZfbKGbUDs
--
Regards
Stephen
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On 28-7-2016 16:08, Stephen wrote:
> On 7/28/2016 2:33 PM, Thomas de Groot wrote:
>> On 28-7-2016 12:30, Stephen wrote:
>>> On 7/28/2016 9:46 AM, Thomas de Groot wrote:
>>>> This one is for Stephen.
>>>>
>>>> "to wound the autumnal city."
>>>>
>>>
>>> So howled out for the world to give him a name.
>>>
>>>> Cityscape macros by Mike Williams.
>>>>
>>>
>>> Atmospheric. I like it. Thank you.
>>>
>>> (Maybe a bloodier sky with a bloated sun?)
>>>
>>
>> I intend to work some more on this piece.
>>
>>
>
> Good.
> It made me think of doing an image of the kid as a scorpion.
That would be interesting to do. I have pondered the complex chain
pattern worn by him but that seems far too complicated to model
dynamically in Poser and iirc he wore it under his clothes anyway.
Incidentally, I saw on the web somebody who tattooed the pattern on her
body (why not indeed?). Still, the kid is also on my (long) wish list.
Lets see where that brings us. We always can combine elements into a
grand Delany scene. :-)
>
> A couple of years ago I made a start on the dress Lanya wore to the big
> party.
> [Un-sensuous nudity warning]
>
Ah yes, I remember that one. I suppose the dress needed a couple more
subdivisions to move correctly ;-)
--
Thomas
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