- Bump Map
A bump map is a way to simulate a rough surface, without having to model every single “bump” on the surface, and without changing the underlying geometric shape of the object itself.
It is common to use the same file as both a bump map and a texture map.
Primitives are the basic geometric shapes that you can use as “building blocks”. Most complex 3d models are created from many dozens, or even hundreds, of these primitives, which are then edited and manipulated to give a more realistic appearance.
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- Texture Map
A texture map is a way of applying color to the surface of an object on a pixel by pixel basis, by applying an image file as a color map.
It is common to use the same image file as a bump map.