Interrain rendering , regular grid based methods is more suitable than TINs.

所以单就地形绘制来说, 基于规则网格的算法更好些.

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Then the method of 3 - D terrain modeling based on regular grid is studied.

然后研究了基于规则格网的三维地形建模方法.

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Regular Grid is the commonly used expression method of DTM, and has the widespread use.

规则格网(Grid)是数字地面模型(DTM) 最常用的表示方法, 有着广泛的应用.

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