[GDS|Entropy] wrote:
> Glows correctly positioned, but not using the corrected texture. The
> deep blue one took 3 days, the other (with corrected texture) took 15
> min (with radiosity?!?)...go figure... O__o'
>
> So much to learn...
>
> Ian
>
> On Mon, 20 Dec 2010 23:08:59 -0500, [GDS|Entropy]
> <gdsHYentropyAThotmailDTcom> wrote:
>
>> Ok, glows off, adapted texture in use (seems dark, like impure
>> glass?), and many more spheres. This takes an awful amount of time
>> with glows on.
>>
>> Ultimately, I need to make this texture consistent with generic ice.
>>
>> Ian
>>
>> On Mon, 20 Dec 2010 22:38:13 -0500, Alain <aze### [at] qwertyorg> wrote:
>>

>>>>
>>>> finish {
>>>> ambient 0
>>>> diffuse 1
>>>
>>> Try diffuse 0, or some smallish value.
>>>
>>>> brilliance 0.05
>>>
>>> Extremely low value! Your surface reaction to illumination is almost
>>> independent from the direction of the incident light. Such a value
>>> is rather unexpected for a shiny, reflective surface.
>>> I'm partial of using larger value, at least 1, probably more.
>>>
>>>> specular 0.5
>>>> roughness 0.001
>>>> reflection 0.125
>>>> }
>>>
>>> For your material, I'd use some variable reflection with fresnel and
>>> conserve_energy, but, here it's mostly a test.
>>> Suggestion: reflection{0.05, 0.25 fresnel} conserve_energy
>>>
>>>>
>>>>
>>>> interior {
>>>> fade_distance 2
>>>> fade_power 3 // maybe this?
>>>
>>> This should be fade_power 1 OR fade_power 1001.
>>> fade_power 3 is totaly unrealistic in the real world. It may be
>>> used to simulate a light_source glowing through some medium that
>>> restricts it's propagation, like in some underwater scene.
>>> The realistic values are:
>>> interior: fade_power 1 OR fade_power 1001
>>> light_source: fade_power 2
>>>
>>>> ior 1.45
>>>> caustics 1.0
>>> remove this if you use photons.
>>>
>>>> }
>>>>
>>>> Actually the bluish look of the background comes from the glows,
>>>> as it is really black and the ground white.
>>>>
>>>> Weird stuff.
>>>>
>>>> Ian
>>>>
>>>
>>> You don't define fade_color, so it defaults to black.
>>>
>>> Finaly, it looks like your sphere is reflecting your glow colour.
>>>
>>>
>>>
>>>
>>> Alain
>>
>>
>
>
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I know what you mean about so much to learn!  Its never ending!  Just when 
you have worked one thing out, something else gets in your way and its back 
to the books!  All good fun though.

Its probably not what you want to hear, but I actually like the first pic 
better, the one that took 3 days, the blue looks much nicer to me...

Cheers Dre

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