The simplest form of terrain representation is as a regular height field, i.e. considering a regular grid in the plane XZ, with evenly spaced points, a height is attributed to each point.

• 最简单形式的地形展示是一个规整的高度域，例如，想象一个在XZ平面上的网格，拥有均匀间隔的顶点和每个点拥有一个高度属性。