Paving, for example, needs to respect the exact dimensions of the material in the real world. In landscape and infrastructure modelling, it is useful to establish a difference between Large Unit materials such as paving and bricks and Small Unit materials such as concrete, tarmac and grass as these are treated slightly differently when tiling the materials. These are scaled and positioned on the surfaces to give a more realistic effect. Surfaces and walls usually use tiled mapped materials - 'tiled' meaning repeating patterns for paving, bricks or grass and 'mapped' meaning the use of real world images or computer generated effects for paving, bricks or grass. Below is a brief description of how you need to handle each type Different strategies are needed to assign and configure materials for surfaces, edges and objects. Efficient landscape modelling demands the ability to create realistic looking surfaces, edges and objects quickly and precisely.
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