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Messages - ac3dartist

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[Max] General Discussion / Re: Coronas dynamic range
« on: 2018-05-22, 22:10:32 »
Hi guys, i'm really courious about the theory behind corona color mapping, my core focus is try to simulate as much as possible a real dslr camera behaviuor and for do that the first step was rebuild my own camera LUT using 3DL and a colorchecker.
The first thing i noticed was that, the curve extracted from my canon, compress a bit the highlights. I tried to use that LUT inside corona but it seems that doesn't compress well as the highlight compression value in the vfb.
I decided to modify that LUT (removing the shoulder from the curve to avoid the highlight compression) and using a value of 2 in the vfb highlight compression.
My questions are:
Does the highlight compression inside the LUT file works in 32 bit the same way as the higlight compression value in the vfb?
Is the theory behind highlight compress value inspired to a real camera (and if yes, there's a suggested range value?) or is just a generic value not linked in any way to reality?

Thanks guys

2
Gallery / Re: Villa Savoy
« on: 2018-02-01, 19:14:36 »
The original one was with color but I think the b/w version feels more comunicative

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Gallery / Villa Savoy
« on: 2018-02-01, 15:46:42 »
Personal black and white interpratation of Villa Savoye, a famous architecture from the swiss architect Le Corbusier. The choice of the point of view is based on the architecture itself principles, of course the most important are simplicity and the gap between the structure and the natural environment.

Black and white is also a choice for enfatize the light and syntetize the shape of the building.

4
News / Re: Corona Renderer 1.7 for 3ds Max Daily Build
« on: 2017-08-05, 17:44:13 »

[/quote]

That's the reason for constant IR refresh ?

[/quote]

I solved constant IR refresh disabling the cam target, i don't know why but physical cam target is slightly flickering and this cause continuous refresh.

5
Gallery / Re: Leica M9
« on: 2017-06-04, 15:06:37 »
my suggestions are: do your unwrap better as you can (be carefull at the seams); export fbx model from 3dsmax with different materials applied (substance recognize the materials from 3dsmax if exported in fbx format); export .sbsar for transfer materials from designer to painter.

I find much more intuitive bake texture in substance painter but i know you can do it in designer too.

AC

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Gallery / Leica M9
« on: 2017-06-03, 12:08:43 »
New project done with substance designer, painter and rendered in corona 1.6

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Gallery / Re: London rain
« on: 2017-05-11, 17:46:35 »
Super set of images bravo!
The problem with all these beautiful renders is that we end up getting too accustomed to it and that we realize they are still exceptional!
Congratulations to you, and in passing can you explain to us the way you made your drops of water on the windows?
Roland

Thank you for your kind words, from my point of view the softwares in these years are doing the "magic" and i love so much more working today instead 5 years ago, this help me focusing on things that i love: design, lighting and composition.

about the window, i decided to create some drop on the glass because my background image was terrible, i found a tutorial very good explained here http://viscorbel.com/condensation-shader-vray/

AC

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Gallery / London rain
« on: 2017-05-11, 15:02:58 »
Finally i had 2 free days for work on a new set of images, i decided to call this project "London Rain" and is the first chapter of my new portfolio called: "light experiments and other things".
It will be a collection of case studie where i want to push my technical level up not forgetting the artistical and aestetical things.
If some of you have any technical questions or just curiosity don't hesitate to ask.

cheers

9
Gallery / Re: Carey House
« on: 2015-07-15, 11:07:47 »
Thanks for your suggestions

AC

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Gallery / Carey House
« on: 2015-07-15, 10:23:59 »
Post processing only for increase the contrast and the volumetric fog.
Lighting: Corona sun + Peter Guthrie 1717 HDRI Sky
Volumetric fog for increase the dusty effect

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