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trouble with chrome and composite materials in 3Ds Max

nelson_press
polycounter lvl 6
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nelson_press polycounter lvl 6
I was trying to figure out a way of creating a material for a model in 3ds max ... uh ... how can I put this ...

part of the model/material can use bitmaps, bumps, normals, etc but part of the material is like chrome

actually i was tying to figure that out to how to make a nice chrome material. attempted looking up tutorials on the subject ... but still had trouble with it. 

thought that I could use composite in the material to have a material that's partially bitmap and partially chrome

I guess I could use what I currently have now but it's too clean and crisp, there must be a way of applying some form of weathering to the material. I'm not certain what to do. 

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for chrome someone suggested just using a greyish color and messing with things like specularity. but chrome isn't just grey and specular; it does this wierd thing where it sort of refracts light or something right. some tutorials i saw were ... either difficult to follow ... or resulted in some sort of compatibility issue. like one tutorial was using vray, i dont currently have access to vray. another one was using some sort of default mentalray material - which doesnt mesh well with the compositing materials. I dont know what to do

it be fantastic if i could get my hands on some sort of sample material and maybe inspect it to see how it was made or something, that be great

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here's some stuff I was trying out

http://imgur.com/a/MSl17




Replies

  • musashidan
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    musashidan high dynamic range
    Using the scanline renderer for ray-tracing is a very outdated, legacy approach. what version of Max are you using? If max 2017 have a look at the new ART renderer. If not, i advise MentalRay/Iray as they are both modern ray-tracing engines.

    MentalRay Arch&design shader has some presets built in, chrome being one if I recall correctly. A very important factor when building/testing highly reflective shaders is the environment that they reside in: i.e - what are they reflecting? Using a .HDR environment is the best way to go. As you can see in your image, your objects are sitting on a grey plane so your chrome is completely reflecting that.

    You really need to go back to basics as shading is quite a complex subject. MentalRay and Vray material properties are very similar so don't discount Vray shading tutorials out of hand. But you definitely need to do some study on the subject. I haven't used MR in years but I remember Max documentation used to ship with a very informative help file on MR materials.


  • nelson_press
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    nelson_press polycounter lvl 6
    Oh man I actually did go back and do some research on the subject and ended up going with the mental ray arch&design shader.  went over this a while ago even considered making a tutorial about it cause frankly I had trouble finding much on the subject

    but yeah Art renderer is pretty new to me I literally don't know anything about it.  Guess I should look into it sometime
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