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Hi all, here's a simple SSLT test. The frame on the left is strictly IBL (EXR)
via environment emission & radiosity. The frame on the right adds an area light
to the scene and SSLT to the material.
I used these two images to slowly morph between lit and unlit in a minimalist,
looping animation in order to truly appreciate the effect SSLT has on the block.
-------------------------------------------------
www.McGregorFineArt.com
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Attachments:
Download 'superellipsoidsslt.jpg' (286 KB)
Preview of image 'superellipsoidsslt.jpg'
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"Robert McGregor" <rob### [at] mcgregorfineart com> wrote:
> Hi all, here's a simple SSLT test. The frame on the left is strictly IBL (EXR)
> via environment emission & radiosity. The frame on the right adds an area light
> to the scene and SSLT to the material.
>
> I used these two images to slowly morph between lit and unlit in a minimalist,
> looping animation in order to truly appreciate the effect SSLT has on the block.
Here's the animation loop (MP4).
-------------------------------------------------
www.McGregorFineArt.com
Post a reply to this message
Attachments:
Download 'rwm_sslt_test1.mp4.mpg' (1983 KB)
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Am 23.01.2014 00:30, schrieb Robert McGregor:
> I used these two images to slowly morph between lit and unlit in a minimalist,
> looping animation in order to truly appreciate the effect SSLT has on the block.
So, do you like it? :-)
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clipka <ano### [at] anonymousorg> wrote:
> Am 23.01.2014 00:30, schrieb Robert McGregor:
>
> > I used these two images to slowly morph between lit and unlit in a minimalist,
> > looping animation in order to truly appreciate the effect SSLT has on the block.
>
> So, do you like it? :-)
I certainly do, sometimes the effects seem a bit subtle when compared with the
increased render times (but it is a subtle effect in reality so that is not a
complaint). In other scenes it makes a huge difference (like the effect it has
on the snow in my garden scene).
It is a great feature and once you start to use it/appreciate it you wonder how
you got by without it, although I hate to think what the render times would be
without 3.7's SMP capabilities.
Sean
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clipka <ano### [at] anonymousorg> wrote:
> Am 23.01.2014 00:30, schrieb Robert McGregor:
>
> > I used these two images to slowly morph between lit and unlit in a minimalist,
> > looping animation in order to truly appreciate the effect SSLT has on the block.
>
> So, do you like it? :-)
I love it, you did a great job implementing this feature Christoph. The "new"
method of specifying a translucency color is so much more intuitive than using
the original (arcane) coefficients for scattering/absorbing.
Wish-List Request: the ability to save and load SSLT data to/from a file, like
radiosity and photons already do. Then animations (and stills) could load
pre-calculated data for quicker renders.
Here's the Stanford bunny replacing the superellipsoid. Can't stop playing with
this...
-------------------------------------------------
www.McGregorFineArt.com
Post a reply to this message
Attachments:
Download 'stanfordbunny_sslt_wip4.png' (3791 KB)
Preview of image 'stanfordbunny_sslt_wip4.png'
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Am 24.01.2014 15:13, schrieb Robert McGregor:
> Wish-List Request: the ability to save and load SSLT data to/from a file, like
> radiosity and photons already do. Then animations (and stills) could load
> pre-calculated data for quicker renders.
That would require SSLT data to be cached in the first place, akin to
radiosity, which it currently isn't ;-)
Has been on my SSLT To-Do list for ages, but you know how things are...
haven't gotten a round tuit yet :-P
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clipka <ano### [at] anonymousorg> wrote:
> Am 24.01.2014 15:13, schrieb Robert McGregor:
>
> > Wish-List Request: the ability to save and load SSLT data to/from a file, like
> > radiosity and photons already do. Then animations (and stills) could load
> > pre-calculated data for quicker renders.
>
> That would require SSLT data to be cached in the first place, akin to
> radiosity, which it currently isn't ;-)
>
> Has been on my SSLT To-Do list for ages, but you know how things are...
> haven't gotten a round tuit yet :-P
I believe Thomas has rights to reproduce and distribute those tuits now. As for
the caching and the to-do list, I understand on both points.
Not sure if you've ever seen this, but I was reading recently about Renderman's
subsurface features, based on the same SSLT paper that you used. They bake the
subsurface data into a brick map (which sounds very much like a DF3 to me) that
can be recursively refined; pretty cool:
http://renderman.pixar.com/resources/current/rps/subsurface.html
-------------------------------------------------
www.McGregorFineArt.com
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Am 24.01.2014 21:28, schrieb Robert McGregor:
> clipka <ano### [at] anonymousorg> wrote:
>> Has been on my SSLT To-Do list for ages, but you know how things are...
>> haven't gotten a round tuit yet :-P
>
> I believe Thomas has rights to reproduce and distribute those tuits now.
That would be great. I absolutely need one with SSLT of course.
> Not sure if you've ever seen this, but I was reading recently about Renderman's
> subsurface features, based on the same SSLT paper that you used. They bake the
> subsurface data into a brick map (which sounds very much like a DF3 to me) that
> can be recursively refined; pretty cool:
That brick map thing sounds like what's been described in a follow-up paper.
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On 25-1-2014 2:33, clipka wrote:
> Am 24.01.2014 21:28, schrieb Robert McGregor:
>> clipka <ano### [at] anonymousorg> wrote:
>
>>> Has been on my SSLT To-Do list for ages, but you know how things are...
>>> haven't gotten a round tuit yet :-P
>>
>> I believe Thomas has rights to reproduce and distribute those tuits now.
>
> That would be great. I absolutely need one with SSLT of course.
The great thing is that nowadays you can just copy a round tuit for
yourself (from the threat where I was given one for instance by John),
you look at the back side and lo! there you will see written what the
tuit is for ;-) We have come a long long way from the primitive stone
age tuits made of granite, which you had to drag along behind you.
Thomas
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On 25/01/2014 8:09 AM, Thomas de Groot wrote:
> On 25-1-2014 2:33, clipka wrote:
>> Am 24.01.2014 21:28, schrieb Robert McGregor:
>>> clipka <ano### [at] anonymousorg> wrote:
>>
>>>> Has been on my SSLT To-Do list for ages, but you know how things are...
>>>> haven't gotten a round tuit yet :-P
>>>
>>> I believe Thomas has rights to reproduce and distribute those tuits now.
>>
>> That would be great. I absolutely need one with SSLT of course.
>
> The great thing is that nowadays you can just copy a round tuit for
> yourself (from the threat where I was given one for instance by John),
> you look at the back side and lo! there you will see written what the
> tuit is for ;-) We have come a long long way from the primitive stone
> age tuits made of granite, which you had to drag along behind you.
>
I thought that you had the franchise for the electronic ones, pertaining
to this NG.
Those primitive stone age tuits made of granite were awfully slow to
work. Well! So John said, from his experience. ;-)
--
Regards
Stephen
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