Potato skinning

Support Basics & Interface
1

hi, i have done the UV Texturing tutorial, and now that i know how to add my texture, I want to know how to have a material as well. because on my object i have certain parts i want textured and certain parts to have the material color i want to use. the probelm is that i dont know how to view my texture in potato mode, and also see the material at the same time. please help me.

2

UV textures don’t need materials, but to use any other kind of texture you first need to add a new material. In F5 on the header bar is the data block icon “-” where you can add new or assign an existing material.

Materials have three characteristics

  1. Color which is affected by the texture selected, the colorband and the alpha setting.
  2. Spec which is affected by specularuty and hardness (and others)
  3. Mirror which is affected by reflection and (and others)

Add different colors (different like red green and blue) to the three material indices and play with the sliders and the texture mapping channels (The block of buttons on the top right) and see what happens.

Specularity is roughly equal to roughness (like iron is rougher than steel although they are both smooth) but a coat of paint (texture) will hide that. However, Texture won’t hide the difference between plastic and steel.

Reflection comes from a mixture of roughness, hardness, and smooth surface. However curved surfaces reflect reflections (mirror color) so chrome is silver but it has a lot of blue in it.

The block of color-mapping buttons on the top right can set a single texture to modify color spec and mir values, or you can use individual texture channels to map specific values to each of these channels (and more).

So when you say “I want to see my materials” look at the preview window in the material buttons (and use the ‘faking’ icons above it to give a good mockup)

If on the other hand you want some parts to have only the color you set in the material buttons, then don’t map a texture to it or set a texture exactly the same color as the material. You can assign different materials to different parts of the same mesh.

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3

hey dudes… anybody can help me? i wanted to uv texture an image in a object, but i also need to put some bump and spec. (yeah! it looks crazy)
can i apply mote than one uv to a mesh (like a color for the uv and some black and white for bump??)

4
  1. Add the UV texture image (again) as an image texture and change the mapping from orco to UV
  2. Yes.

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