Help: Wet pavement look?

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  08 August 2013
Help: Wet pavement look?

http://www.noupe.com/img/cg-portrai...ortraits-48.jpg

this image is the inspiration to my Lighting and Render project. Im trying to achieve the same effects with the pavements and difference wetness levels.

How would you go about making it? Would you use Mia_x shaders that go into a Layered Shader with Fresnel?

Please help its for a university project.

Much love.
 
  08 August 2013
That can be done in one shader.
The key is in getting the bump and reflections right.

In simplest terms, where there are puddles the bump is minimal while the reflections have maximum gloss for mirror-like reflections, and everywhere else the bump is stronger and reflections more diffuse for getting the wet pavement look. This can all be controlled with a simple black and white map to divide the puddles from the pavement and the same map can be used to control the bump and reflection levels.
 
  08 August 2013
Hey Cadam,

Pap87 is correct, you can easily achieve the look you want using one shader. I would suggest using the 'layered texture' node in Maya to control areas of high reflections(wet look) vs areas of low reflections (dry concrete). Using that with the combination with Maya's 'texture projection' node should give you all the control you will need to manipulate the look your going for. If your not familiar with either, I've found basic tutorials of both below.


Layered Texture Tutorial:
http://www.youtube.com/watch?v=3GTHHR1R4is

Texture Projection Mapping:
http://lesterbanks.com/2010/11/maya...pping-tutorial/
 
  08 August 2013
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