These data models include the unified model of all essential factor's structuralized triangulated irregular network (TIN) model and GIS as well as network model.
这些数据模型包括全要素的结构化不规则三角网(TIN)与GIS一体化的数据模型以及网状模型。
IN order to improve the voxelization efficiency of large data, a fast and simple voxelization algorithm was proposed for the Triangulated Irregular Network (TIN) model.
为了改善在大数据量时体素化效率不高的缺点，针对三角形不规则网(TIN)模型的三角网特性，提出了一种快速简单的体素化算法。
Digital Elevation Model(DEM) is a digital modeling process which aims at terrain and physiognomy. Irregular triangulation TIN is the best model when DEM data are stored and expressed.
数字地形模型是针对地形地貌的一种数字建模，这种建模的结果通常就是一个数字高程模型（DEM）。
Digital Elevation Model(DEM) is a digital modeling process which aims at terrain and physiognomy. Irregular triangulation TIN is the best model when DEM data are stored and expressed.
数字地形模型是针对地形地貌的一种数字建模，这种建模的结果通常就是一个数字高程模型（DEM）。
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