对地理空间数据类型进行了增强，支持地理空间可视化。
Undertook buildup to type of geographical space data, supportive geography space is visible.
但空间数据具有数据量巨大，结构复杂，属性数据与空间数据密切相关，并随其反映的地理特性不同而具有不同的数据类型等特点。
Spatial data have the characteristics of huge quantity, the high correlation between attribute data and spatial data, and the different data types with the different reflective geographical entities.
但在GIS领域充斥着各种标准的地理信息编码方式，各种数据类型不统一，这为地理信息的存储与传递带来了不便。
But in the GIS field there are many geographic information encoding ways, resulting in the lack of unity for data types, which has brought inconvenience for the storage and transmission of data.
但在GIS领域充斥着各种标准的地理信息编码方式，各种数据类型不统一，这为地理信息的存储与传递带来了不便。
But in the GIS field there are many geographic information encoding ways, resulting in the lack of unity for data types, which has brought inconvenience for the storage and transmission of data.
应用推荐