[Bf-cycles] Controlling eflection in glass shader

[Agustin Benavidez]

Btw, not sure if this was proposed and rejected before, but since the
shading workflow has already been tested and proved to robust and unlikely
to suffer radical modifications. i think would be nice to include some
node groups by default in the startup .blend. There are many group setups
very useful that they even act as completely new features.
It comes to my mind some useful setups:

- Plastics
- Advanced glass, reflection control, absorption
- Car paint with flakes
- Wire frame Shader
- Metals with fresnel,
- Glass dispersion
- Glass with transparent shadow (architectural glass from Lux terminology)
- And many others very useful, some of them made out of procedural textures
like water surfaces, metal galvanized/rusted, wood (i have seen a
tremendous good one entirely procedural), all those with nice custom
controls etc.

Cheers.
Agus.



2012/6/4 Agustin Benavidez <agustinbenavidez at gmail.com>

> Adriano,
> I think the tools has already given to you,
> Open Blender,in the default scene create a mix between glossy and glass,
> group it in a node group, add extra nodes, fresnel or whatever you need to
> make it work like you need, SAVE user preferences in file menu, and you
> will always have your custom glass at the tip of your fingers like the
> basic glass one, this time in the group sub menu.
>
> cheers
>
>
>
> 2012/6/3 Adriano Oliveira <adriano.ufrb at gmail.com>
>
>> Brecht,
>>
>> Like Michael says, it would be nice to control reflections and
>> refractions separately. I would love, for instance, to control
>> reflections intensity in a glass by a fresnel node.
>>
>> Maybe If transparent shader had a IOR control, we could create different
>> glass material through mix shader (glossy+transparent).
>>
>>
>> Adriano A. Oliveira
>>
>> 2012/6/3 Michael Fox <mfoxdogg at gmail.com>
>>
>>> What he means is that the glass shader is actually 2 shadders a glossy
>>> and a refracted transpent shader, i would like this too, to controll the
>>> amount of gloss shader just leaving the refraction, so we can do our own
>>> gloss on it
>>>
>>> On 04/06/12 07:18, Brecht Van Lommel wrote:
>>> > On Sun, Jun 3, 2012 at 10:04 PM, Adriano Oliveira
>>> > <adriano.ufrb at gmail.com>  wrote:
>>> >> 1) How can I control reflection in a glass shader?
>>> > Don't understand the question, control how?
>>> >
>>> >> 2) Is there a way to control fefraction in a transparent shader?
>>> > No, the transparent shader has no refraction by design.
>>> >
>>> http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Light_Paths#Transparency
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