materials

General questions about Indigo, the scene format, rendering etc...
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zamolet
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Post by zamolet » Fri Aug 31, 2007 1:24 am

Stur wrote:
zamolet wrote:
zamolet wrote: hi it doesn't need to be extreme realistic i need something reflective but not much yeah bump mapping could help :). here's an image of what i'm looking for http://www.seatechinc.com/prod_images/hi-res/PTH.jpg. thanks!
this page link doesn't work in the forum :( i'm trying this http://www.ritzcamera.com/graphics/prod ... 450411.jpg
Hi and Welcome Zamolet.
It looks like the material you're looking for is not bronze but brass :)
Hi! yes i think brass is more properly. sorry about my ignorance but do you know where the nk data codes are? i've been looking for them but haven't found :?

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suvakas
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Post by suvakas » Fri Aug 31, 2007 1:33 am

@zamolet
Check into your Indigo directory. Nk files are in "nkdata" folder.

BbB
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Post by BbB » Fri Aug 31, 2007 2:53 am

Kram: Dunno if coloured specular highlights are physically acurate (I can't think why not) but they're damn handy for carpaints...

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Kram1032
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Post by Kram1032 » Fri Aug 31, 2007 3:11 am

There was a "(?)" ;)

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CTZn
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Post by CTZn » Fri Aug 31, 2007 3:43 am

Setting highlights color by hand is of course not physically accurate. Indeed one property of metals is such effect; nk data is fine for that.
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Kram1032
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Post by Kram1032 » Fri Aug 31, 2007 4:04 am

if the nk libary was full featured, at least.... some things are missing:
Iron / Steel, Brass and bronze and many more :D

Then, you could have a big glas libary and gems and such :)

the nk could be far more detailed, I'd say^^

Gog
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Post by Gog » Fri Aug 31, 2007 5:00 am

I'd settle for being able to find my list of what the nk materials in the current library are, I can remember some of the basic elements from school chemistry, but not all of them...

I know the old user manual with them is lurking in a zip file somewhere on my HD..... :oops:

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CTZn
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Post by CTZn » Fri Aug 31, 2007 5:35 am

http://www.indigorenderer.com/joomla/fo ... 0233#20233 and http://www.indigorenderer.com/joomla/fo ... php?t=1901

Not really what you may have somewhere on your hard drive but still in topic of nk files. At least here is your colored highlight ;)
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Kram1032
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Post by Kram1032 » Fri Aug 31, 2007 5:54 am

and
http://deeppixel.uw.hu/projects/NK_materials.html

ah and if you use tinmans nk convertor, I've a photoshop idea for you ;)
find some pics, where the mat looks as you want it and the environment is leveled and white balanced correctly :)
use the colourpicker (with big radius) on a shiny piece of bronze/brass (what ever you need, now) and copy + paste the values that you get in tinmans prog ;)

you should pick from a well exposured perfectish looking part without shadows or highlights :)

If you're patient enough, you also can pick a colour of a not overexposured reflection and use the reflection side of that nk (see other post) with the colour side of the other one ;)

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CoolColJ
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Post by CoolColJ » Fri Aug 31, 2007 5:37 pm

Just the thing for Alien artifacts and spaceships....

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zamolet
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Post by zamolet » Sat Sep 01, 2007 10:45 am

CoolColJ wrote:Just the thing for Alien artifacts and spaceships....
personally i think you can use another renderer like povray or blender for non much reallistic effects like alien artifacts and spaceships also you save a lot of time :D but thats only my opinion

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CoolColJ
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Post by CoolColJ » Sat Sep 01, 2007 11:05 am

well they look like crap though.... :wink:

plus I want it look surreal photorealistic - kinda like a what-if this was real what would it look like if I photographed it 8)

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Kram1032
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Post by Kram1032 » Sat Sep 01, 2007 8:06 pm

yeah, that would be interesting, indeed :D

If you have an idea of how mystic metals look like, you can also build them with the correct colour :D

- I wonder if (if Tinman can be seen, anywhere) if he can make it with two colours - one for reflections and one for "diffuse" :) - would even be interesting for some SSS effects, if both values are put out :) you use one as scattering colour and the other one as absorbtion :D
and if you find a third value, somewhere, you could use that as henhey-greystein :D

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