terrain storage

Discussion on the Topic of 3D Terrain Data Storage and Scheduling

三维地形数据存储和调度方法研究

DMA DIED and USGS DEM format are deeply analyzed, and a new digital terrain elevation data storage format is presented.

对于数字地图存储格式，论文深入剖析了DTED与DEM格式，并设计出一种更为简单有效的存储格式。

The structure of airborne system is firstly discussed and then key techniques include digital map generation, storage structure, format transform, real-time terrain data update and management, airborne display etc, are studied profoundly.

论文首先给出了机载三维数字地图系统的组成，然后深入研究了数字地图数据的获取、存储结构、格式转化、动态刷新与机载显示等实现技术。

Analyzing the storage format of DMA DTED and USGS DEM and then presenting a new digital terrain elevation data storage format. The storing and reading algorithm are also realized.

分析了DMA的DTED和USGS的DEM高程数据存储格式，比较了其异同，提出了一种高效的数字地图高程数据的存储格式并实现了存取算法。

Aimed at the transfers and rendering of 3D massive terrain data on high-bandwidth network, the paper presents one method of massive terrain data processing and storage, which includes the preprocessing and the storage structure of terrain data for accessing conveniently on the high-bandwidth network.

针对高速网上3维海量地形数据传输和显示特点，提出了一套海量地形数据处理、存储方法，包括数据的预处理和数据的存储结构，数据存储有利于高速网络访问；