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26 Jun 2024 02:00:41 EDT (-0400)
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From: Kenneth
Subject: Re: Clothed in light.
Date: 14 Nov 2017 17:00:00
Message: <web.5a0b663753fdf90589df8d30@news.povray.org>
Stephen <mca### [at] aolcom> wrote:

>
> The lighting is problematic. The light in the hall of mirrors brightens
> when I switch on radiosity. I did not mean this to turn into an
> experiment in radiosity but it looks looks like it is going to be. I
> have a normal area light in there to even things out.
>

As the mirror reflections indicate, your dance hall has mirrors on only two
walls. I wonder what would happen re: radiosity and photon complexity if all
four walls were mirrored?! (The 'infinite mirror-reflection' thing.) I have no
idea, but it sounds like an interesting experiment to try. ;-)


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From: Kenneth
Subject: Re: Clothed in light.
Date: 14 Nov 2017 17:05:00
Message: <web.5a0b67b753fdf90589df8d30@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:
>
> (As a faster alternative to photons for this particular scene, you might
> try using mirrored copies of your primary light sources,
> `projected_through` the corresponding mirrors...

That's an interesting trick, that I wouldn't have thought of. Thanks.


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From: Stephen
Subject: Re: Clothed in light.
Date: 14 Nov 2017 17:40:43
Message: <5a0b70eb$1@news.povray.org>
On 14/11/2017 21:55, Kenneth wrote:
> Stephen <mca### [at] aolcom> wrote:
> 
>>
>> The lighting is problematic. The light in the hall of mirrors brightens
>> when I switch on radiosity. I did not mean this to turn into an
>> experiment in radiosity but it looks looks like it is going to be. I
>> have a normal area light in there to even things out.
>>
> 
> As the mirror reflections indicate, your dance hall has mirrors on only two
> walls.

Three mirrored walls in fact. I chose the camera position so that I 
wouldn't have much of a hall of mirrors, effect.Just a view of three sides.

> I wonder what would happen re: radiosity and photon complexity if all
> four walls were mirrored?! (The 'infinite mirror-reflection' thing.) I have no
> idea, but it sounds like an interesting experiment to try. ;-)
> 

So you want that I give my machine a stress test? ;)

Of course I'll give it a go. :)

-- 

Regards
     Stephen


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From: Stephen
Subject: Re: Clothed in light.
Date: 14 Nov 2017 19:00:34
Message: <5a0b83a2@news.povray.org>
On 14/11/2017 22:40, Stephen wrote:
> 
> So you want that I give my machine a stress test? ;)
> 
Not so bad. Less than 6 minutes


> Of course I'll give it a go. :)

No AA nor photons. Max Level 53/64
-- 

Regards
     Stephen


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From: Thomas de Groot
Subject: Re: Clothed in light.
Date: 15 Nov 2017 02:54:24
Message: <5a0bf2b0$1@news.povray.org>
On 14-11-2017 10:57, Stephen wrote:
> On 14/11/2017 08:03, Thomas de Groot wrote:
>> On 13-11-2017 21:27, Stephen wrote:
>>> The tunic and wings are emissive df3s, made from Poser models.
>>>
>>> I think I need a dragon and a rocky scene to complete this. :)
>>>
>>>
>>
>> Yes indeed although I like this ballet school setting with the mirrors. 
> 
> It is old enough to have been made in Moray. :-)
> 
>> A couple of things, if I may: (1) the overhead lights should be dimmed 
>> - probably by at least 50 % (if not 25%) also for compensating the 
>> light reflections from the mirrors. 
> 
> The lighting is problematic. The light in the hall of mirrors brightens 
> when I switch on radiosity. I did not mean this to turn into an 
> experiment in radiosity but it looks looks like it is going to be. I 
> have a normal area light in there to even things out.
> 
> 
> 
> (2) Could you merge this scene with your
>> ballerina animation? That was awesome.
>>
> 
> Hmm! has anyone told you that you have an evil mind, recently?
> As if I haven't enough to do. ;-)

No. Nobody dares to. ;-)

> 
> It is an interesting challenge though. First I have to find out why when 
> I create the df3s there is a problem with the handiness. Or more likely 
> with my set up. Then unless I wanted to make a df3 that coveres the 
> whole playing area. I would need to work out a method of tracking the 
> mesh to move the slicing rig there.
> On the brighter side. jr is working on a set of utilities for df3s. So 
> it might be possible in the future.
> 

I knew it was a difficult question, but I am confident in the results :-)


-- 
Thomas


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From: Thomas de Groot
Subject: Re: Clothed in light.
Date: 15 Nov 2017 02:54:48
Message: <5a0bf2c8$1@news.povray.org>
On 15-11-2017 1:00, Stephen wrote:
> On 14/11/2017 22:40, Stephen wrote:
>>
>> So you want that I give my machine a stress test? ;)
>>
> Not so bad. Less than 6 minutes
> 
> 
>> Of course I'll give it a go. :)
> 
> No AA nor photons. Max Level 53/64


Oh! That is good!

-- 
Thomas


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From: Stephen
Subject: Re: Clothed in light.
Date: 15 Nov 2017 04:08:52
Message: <5a0c0424$1@news.povray.org>
On 15/11/2017 07:54, Thomas de Groot wrote:
>>
>> Hmm! has anyone told you that you have an evil mind, recently?
>> As if I haven't enough to do. ;-)
> 
> No. Nobody dares to. ;-)
> 

No one living. I'm sure. ;-)


>>
>> It is an interesting challenge though. First I have to find out why 
>> when I create the df3s there is a problem with the handiness. Or more 
>> likely with my set up. Then unless I wanted to make a df3 that coveres 
>> the whole playing area. I would need to work out a method of tracking 
>> the mesh to move the slicing rig there.
>> On the brighter side. jr is working on a set of utilities for df3s. So 
>> it might be possible in the future.
>>
> 
> I knew it was a difficult question, but I am confident in the results :-)

:-)

It is an interesting problem and a long term one too. Just looking at 
the sums. A five second animation @ 25 fps will produce about 180 Gigs 
of data in tga and df3s. I reckon that if I can automate the process it 
would take about a hundred hours to produce them. So not a project for 
the faint hearted.

* Note the correct usage of the at sign. :-)


-- 

Regards
     Stephen


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From: Thomas de Groot
Subject: Re: Clothed in light.
Date: 15 Nov 2017 07:10:57
Message: <5a0c2ed1$1@news.povray.org>
On 15-11-2017 10:08, Stephen wrote:
> On 15/11/2017 07:54, Thomas de Groot wrote:
>>>
>>> Hmm! has anyone told you that you have an evil mind, recently?
>>> As if I haven't enough to do. ;-)
>>
>> No. Nobody dares to. ;-)
>>
> 
> No one living. I'm sure. ;-)
> 
> 
>>>
>>> It is an interesting challenge though. First I have to find out why 
>>> when I create the df3s there is a problem with the handiness. Or more 
>>> likely with my set up. Then unless I wanted to make a df3 that 
>>> coveres the whole playing area. I would need to work out a method of 
>>> tracking the mesh to move the slicing rig there.
>>> On the brighter side. jr is working on a set of utilities for df3s. 
>>> So it might be possible in the future.
>>>
>>
>> I knew it was a difficult question, but I am confident in the results :-)
> 
> :-)
> 
> It is an interesting problem and a long term one too. Just looking at 
> the sums. A five second animation @ 25 fps will produce about 180 Gigs 
> of data in tga and df3s. I reckon that if I can automate the process it 
> would take about a hundred hours to produce them. So not a project for 
> the faint hearted.
> 
> * Note the correct usage of the at sign. :-)
> 

Dear me, yes, I had not really realised this.


-- 
Thomas


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From: Bald Eagle
Subject: Re: Clothed in light.
Date: 15 Nov 2017 21:25:00
Message: <web.5a0cf6b553fdf9055cafe28e0@news.povray.org>
This is coming along very nicely :)
I like this second version a lot - the camera position just works better I
think.

Enhancements:

Maybe someone can contribute a proximity pattern to add some depth to the skin
texture.   It also looks to me like either she has no pupils, or her eyelids are
closed, depending upon the size of the image...

I'm sure some of us have some slightly richer looking wood floor macros lying
about. ;)

Is there a way to light the room with HDRI?
Maybe just surround the room with one and add no_shadow?

Just throwing out ideas before turning in for the night.


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From: Stephen
Subject: Re: Not Clothed in light. So partial nudity
Date: 16 Nov 2017 05:24:28
Message: <5a0d675c@news.povray.org>
On 16/11/2017 02:23, Bald Eagle wrote:
> This is coming along very nicely :)

Thanks but you are not seeing it from this side of the screen. *

> I like this second version a lot - the camera position just works better I
> think.
> 

That was just because Kenneth wanted a hall of mirrors.

Remember that this is not an exhibition image but a test image for the 
df3s. I placed it in my studio because of the flack I got for Lanya's 
dress. ;-)
I'm thinking of using the studio for my test environment because of 
getting three additional views of the subject.


> Enhancements:
> 
> Maybe someone can contribute a proximity pattern to add some depth to the skin
> texture.   It also looks to me like either she has no pupils, or her eyelids are
> closed, depending upon the size of the image...
> 
Here is a close up as changing the eyes in Poser was the only change I 
made there.
FYI the female model is a low res one. I don't think it even uses an 
image map for the body. So if I wanted more detail I would change it in 
Poser. Besides I don't want to get distracted by looking at the model. ;-)


> I'm sure some of us have some slightly richer looking wood floor macros lying
> about. ;)
> 
As I implied to Thomas. The studio is a very old scene. At least ten 
years old if I made it in Moray. So any contributions are welcome. :-)


> Is there a way to light the room with HDRI?
> Maybe just surround the room with one and add no_shadow?
>

I'm not too keen on that idea. I don't think it would work with three 
walls of mirrors. I'm aware of the need for some sort of background. 
That is why there are a couple of old chairs and a stack of mats. At one 
time I had a table with a stereo and a mop and bucket. Just for interest.



> Just throwing out ideas before turning in for the night.
> 
> 

Thanks. I'm flattered over a test image.

* I have no idea why in this image the wings and clothes did not show. 
With the render time they should have been there.
But at least you can see that the model is low res and the eyes.

I had two other unexpected results yesterday that has set me back a bit. :-(

-- 

Regards
     Stephen


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