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JOHN CARSTARPHEN: Hi, this is John Carstarphen for Expert Village. Now, let's go to the buildings
and take a look at some texture mapping. We're going to apply the brick texture or the brick
surface. We're going to apply the brick map to the surfaces. And in Cinema 4D, it's quite easy. In your
material manager, if we double-click on the icon - we talked briefly about this before
- you can see that we have various channels, various luminants. Basically, these are luminants,
specular and color channels. There are other names for them but--we have reflection, environment
- that's kind of a luminants channel - diffusion, specular, alpha and so forth. And alpha maps
help create cut-outs so that you don't have to use the entire map. But the photograph
that you use--the photograph that you used with an alpha map has to have an alpha channel
with it, originally. And this particular texture map doesn't have an alpha channel. We don't
need one anyway. So--but we'll go to the bump map, and it's raised to 83%. Now, if we went
in the other direction, say, to minus 83%, then we would have a concave bump map.