Graphics Programs Reference
In-Depth Information
Creating a rock material using image
maps
In this recipe, we will create a realistic rock material similar to the one shown in the
following screenshot:
The best way to start this task is by using image maps. Image maps are particularly
useful for several reasons: they already have the necessary color information of a
natural surface ready to use. They can be easily edited in any image editor to obtain
different information as, for example, high levels for the bump maps. They are pro-
cessed faster than procedurals by the software (procedural textures must be calcu-
lated every time). Moreover, they can be easily found for free on the Web in several
sizes and resolutions.
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