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On 04/09/2017 21:32, Jim Holsenback wrote:
> On 8/21/2017 3:00 AM, Thomas de Groot wrote:
>> Very nice one but... I miss the imperfections: (small) scratches,
>> blemishes, stains, etc. Too perfect as is. ;-)
>
> yeah ... i like this brass one mo betta
>
I like it too. Interesting texture. </understatement>
--
Regards
Stephen
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On 4-9-2017 22:32, Jim Holsenback wrote:
> On 8/21/2017 3:00 AM, Thomas de Groot wrote:
>> Very nice one but... I miss the imperfections: (small) scratches,
>> blemishes, stains, etc. Too perfect as is. ;-)
>
> yeah ... i like this brass one mo betta
>
Yess Sir!
--
Thomas
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Stephen <mca### [at] aol com> wrote:
> On 04/09/2017 21:32, Jim Holsenback wrote:
> > On 8/21/2017 3:00 AM, Thomas de Groot wrote:
> >> Very nice one but... I miss the imperfections: (small) scratches,
> >> blemishes, stains, etc. Too perfect as is. ;-)
> >
> > yeah ... i like this brass one mo betta
> >
>
> I like it too. Interesting texture. </understatement>
>
> --
>
> Regards
> Stephen
Indeed! Did you use the "finish_map" trick?
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On 9/5/2017 3:28 AM, Mr wrote:
> Stephen <mca### [at] aolcom> wrote:
>> On 04/09/2017 21:32, Jim Holsenback wrote:
>>> On 8/21/2017 3:00 AM, Thomas de Groot wrote:
>>>> Very nice one but... I miss the imperfections: (small) scratches,
>>>
>>> yeah ... i like this brass one mo betta
>>>
>>
>> I like it too. Interesting texture. </understatement>
>>
>> --
>>
>> Regards
>> Stephen
>
> Indeed! Did you use the "finish_map" trick?
>
nope ... it's procedural. the underlying pigment is a single color with
a touch of irid ( also changed irid_wavelength in global_settings to
that color ) for the normal i used f_ridged_mf
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Jim Holsenback <spa### [at] nothanksnet> wrote:
> nope ... it's procedural. the underlying pigment is a single color with
> a touch of irid ( also changed irid_wavelength in global_settings to
> that color ) for the normal i used f_ridged_mf
I like the brass texture too.
In fact I tried to reproduce it - here is my attempt...
Perhaps you want to correct my mistakes?
global_settings {
irid_wavelength srgb <254,182,89>/255
}
texture {
pigment {color srgb <254,182,89>/255}
normal {
average
normal_map {
[1 bumps
scale 0.0175
bump_size 0.2
]
[1 bumps
scale 0.35
bump_size 0.2
]
[1 function {(f_ridged_mf ((4+x)/0.3, y/0.3, z/0.3, 0.5, 2.7, 4,
1, 1.5, 0)-1.8)*0.5}
scale 0.35
bump_size 0.3
slope_map {
[0 <0,1>]
[0.25 <1,0>]
[1 <1,0>]
}
]
}
accuracy 0.003
}
finish {
ambient 0
diffuse 0.16
specular 0.8
roughness 0.11
metallic
reflection {0.2, 0.4 metallic}
irid {0.07 thickness 0.5 turbulence 0.2}
}
}
Norbert
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Attachments:
Download 'materials_test24_fast2317.jpg' (533 KB)
Preview of image 'materials_test24_fast2317.jpg'
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Oooooh!!! Nice!
--
Thomas
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On 9/7/2017 9:33 PM, Norbert Kern wrote:
> Jim Holsenback <spa### [at] nothanksnet> wrote:
>
>> nope ... it's procedural. the underlying pigment is a single color with
>> a touch of irid ( also changed irid_wavelength in global_settings to
>> that color ) for the normal i used f_ridged_mf
>
> I like the brass texture too.
> In fact I tried to reproduce it - here is my attempt...
>
> Perhaps you want to correct my mistakes?
lol ... i see no mistakes in fact i think you've improved it!
> normal {
> average
> normal_map {
> [1 bumps
> scale 0.0175
> bump_size 0.2
> ]
> [1 bumps
> scale 0.35
> bump_size 0.2
> ]
> [1 function {(f_ridged_mf ((4+x)/0.3, y/0.3, z/0.3, 0.5, 2.7, 4,
> 1, 1.5, 0)-1.8)*0.5}
> scale 0.35
> bump_size 0.3
> slope_map {
> [0 <0,1>]
> [0.25 <1,0>]
> [1 <1,0>]
> }
> ]
> }
> accuracy 0.003
> }
excellent variant ... i think i'll give it a go in my scene
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Am 08.09.2017 um 09:20 schrieb Thomas de Groot:
> Oooooh!!! Nice!
>
"Shiny!" is the proper exclamation in this context I guess :)
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On 9/7/2017 9:33 PM, Norbert Kern wrote:
> I like the brass texture too.
> In fact I tried to reproduce it - here is my attempt...
i used your rmf definition then tweaked the normal map for this version ...
normal {
average
normal_map {
[1 bumps scale 0.175 bump_size 0.15]
[1 bumps scale 0.35 bump_size 0.15]
[1 function { RMF(x, y, z) } scale 0.1 bump_size 0.125 slope_map
{ [0 <0,1>] [0.25 <1,0>] [1 <1,0>] }]
}
accuracy 1e-3
scale 0.05
}
... i think it looks like cast brass that's been worked a bit.
Post a reply to this message
Attachments:
Download 'rollysphere.png' (697 KB)
Preview of image 'rollysphere.png'
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On 9/9/2017 9:48 AM, Jim Holsenback wrote:
> ... i think it looks like cast brass that's been worked a bit.
i also played some more with irid ...
irid { 0.1 thickness 0.25 turbulence 1 }
it's subtle but you can see it in a several places
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